Merge pull request 'fix README' (#29) from feature/test into develop

Reviewed-on: Natlinux/DotNetAngular#29

.gitignore

@@ -1,5 +1,482 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
+##
+## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
+
+# User-specific files
+*.rsuser
+*.suo
+*.user
+*.userosscache
+*.sln.docstates
+
+# User-specific files (MonoDevelop/Xamarin Studio)
+*.userprefs
+
+# Mono auto generated files
+mono_crash.*
+
+# Build results
+[Dd]ebug/
+[Dd]ebugPublic/
+[Rr]elease/
+[Rr]eleases/
+x64/
+x86/
+[Ww][Ii][Nn]32/
+[Aa][Rr][Mm]/
+[Aa][Rr][Mm]64/
+bld/
+[Bb]in/
+[Oo]bj/
+[Ll]og/
+[Ll]ogs/
+
+# Visual Studio 2015/2017 cache/options directory
+.vs/
+# Uncomment if you have tasks that create the project's static files in wwwroot
+#wwwroot/
+
+# Visual Studio 2017 auto generated files
+Generated\ Files/
+
+# MSTest test Results
+[Tt]est[Rr]esult*/
+[Bb]uild[Ll]og.*
+
+# NUnit
+*.VisualState.xml
+TestResult.xml
+nunit-*.xml
+
+# Build Results of an ATL Project
+[Dd]ebugPS/
+[Rr]eleasePS/
+dlldata.c
+
+# Benchmark Results
+BenchmarkDotNet.Artifacts/
+
+# .NET
+project.lock.json
+project.fragment.lock.json
+artifacts/
+
+# Tye
+.tye/
+
+# ASP.NET Scaffolding
+ScaffoldingReadMe.txt
+
+# StyleCop
+StyleCopReport.xml
+
+# Files built by Visual Studio
+*_i.c
+*_p.c
+*_h.h
+*.ilk
+*.meta
+*.obj
+*.iobj
+*.pch
+*.pdb
+*.ipdb
+*.pgc
+*.pgd
+*.rsp
+*.sbr
+*.tlb
+*.tli
+*.tlh
+*.tmp
+*.tmp_proj
+*_wpftmp.csproj
+*.log
+*.tlog
+*.vspscc
+*.vssscc
+.builds
+*.pidb
+*.svclog
+*.scc
+
+# Chutzpah Test files
+_Chutzpah*
+
+# Visual C++ cache files
+ipch/
+*.aps
+*.ncb
+*.opendb
+*.opensdf
+*.sdf
+*.cachefile
+*.VC.db
+*.VC.VC.opendb
+
+# Visual Studio profiler
+*.psess
+*.vsp
+*.vspx
+*.sap
+
+# Visual Studio Trace Files
+*.e2e
+
+# TFS 2012 Local Workspace
+$tf/
+
+# Guidance Automation Toolkit
+*.gpState
+
+# ReSharper is a .NET coding add-in
+_ReSharper*/
+*.[Rr]e[Ss]harper
+*.DotSettings.user
+
+# TeamCity is a build add-in
+_TeamCity*
+
+# DotCover is a Code Coverage Tool
+*.dotCover
+
+# AxoCover is a Code Coverage Tool
+.axoCover/*
+!.axoCover/settings.json
+
+# Coverlet is a free, cross platform Code Coverage Tool
+coverage*.json
+coverage*.xml
+coverage*.info
+
+# Visual Studio code coverage results
+*.coverage
+*.coveragexml
+
+# NCrunch
+_NCrunch_*
+.*crunch*.local.xml
+nCrunchTemp_*
+
+# MightyMoose
+*.mm.*
+AutoTest.Net/
+
+# Web workbench (sass)
+.sass-cache/
+
+# Installshield output folder
+[Ee]xpress/
+
+# DocProject is a documentation generator add-in
+DocProject/buildhelp/
+DocProject/Help/*.HxT
+DocProject/Help/*.HxC
+DocProject/Help/*.hhc
+DocProject/Help/*.hhk
+DocProject/Help/*.hhp
+DocProject/Help/Html2
+DocProject/Help/html
+
+# Click-Once directory
+publish/
+
+# Publish Web Output
+*.[Pp]ublish.xml
+*.azurePubxml
+# Note: Comment the next line if you want to checkin your web deploy settings,
+# but database connection strings (with potential passwords) will be unencrypted
+*.pubxml
+*.publishproj
+
+# Microsoft Azure Web App publish settings. Comment the next line if you want to
+# checkin your Azure Web App publish settings, but sensitive information contained
+# in these scripts will be unencrypted
+PublishScripts/
+
+# NuGet Packages
+*.nupkg
+# NuGet Symbol Packages
+*.snupkg
+# The packages folder can be ignored because of Package Restore
+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
+# NuGet v3's project.json files produces more ignorable files
+*.nuget.props
+*.nuget.targets
+
+# Microsoft Azure Build Output
+csx/
+*.build.csdef
+
+# Microsoft Azure Emulator
+ecf/
+rcf/
+
+# Windows Store app package directories and files
+AppPackages/
+BundleArtifacts/
+Package.StoreAssociation.xml
+_pkginfo.txt
+*.appx
+*.appxbundle
+*.appxupload
+
+# Visual Studio cache files
+# files ending in .cache can be ignored
+*.[Cc]ache
+# but keep track of directories ending in .cache
+!?*.[Cc]ache/
+
+# Others
+ClientBin/
+~$*
+*~
+*.dbmdl
+*.dbproj.schemaview
+*.jfm
+*.pfx
+*.publishsettings
+orleans.codegen.cs
+
+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
+#*.snk
+
+# Since there are multiple workflows, uncomment next line to ignore bower_components
+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
+#bower_components/
+
+# RIA/Silverlight projects
+Generated_Code/
+
+# Backup & report files from converting an old project file
+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
+UpgradeLog*.htm
+ServiceFabricBackup/
+*.rptproj.bak
+
+# SQL Server files
+*.mdf
+*.ldf
+*.ndf
+
+# Business Intelligence projects
+*.rdl.data
+*.bim.layout
+*.bim_*.settings
+*.rptproj.rsuser
+*- [Bb]ackup.rdl
+*- [Bb]ackup ([0-9]).rdl
+*- [Bb]ackup ([0-9][0-9]).rdl
+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
+*.GhostDoc.xml
+
+# Node.js Tools for Visual Studio
+.ntvs_analysis.dat
+node_modules/
+
+# Visual Studio 6 build log
+*.plg
+
+# Visual Studio 6 workspace options file
+*.opt
+
+# Visual Studio 6 auto-generated workspace file (contains which files were open etc.)
+*.vbw
+
+# Visual Studio 6 auto-generated project file (contains which files were open etc.)
+*.vbp
+
+# Visual Studio 6 workspace and project file (working project files containing files to include in project)
+*.dsw
+*.dsp
+
+# Visual Studio LightSwitch build output
+**/*.HTMLClient/GeneratedArtifacts
+**/*.DesktopClient/GeneratedArtifacts
+**/*.DesktopClient/ModelManifest.xml
+**/*.Server/GeneratedArtifacts
+**/*.Server/ModelManifest.xml
+_Pvt_Extensions
+
+# Paket dependency manager
+.paket/paket.exe
+paket-files/
+
+# FAKE - F# Make
+.fake/
+
+# CodeRush personal settings
+.cr/personal
+
+# Python Tools for Visual Studio (PTVS)
+__pycache__/
+*.pyc
+
+# Cake - Uncomment if you are using it
+# tools/**
+# !tools/packages.config
+
+# Tabs Studio
+*.tss
+
+# Telerik's JustMock configuration file
+*.jmconfig
+
+# BizTalk build output
+*.btp.cs
+*.btm.cs
+*.odx.cs
+*.xsd.cs
+
+# OpenCover UI analysis results
+OpenCover/
+
+# Azure Stream Analytics local run output
+ASALocalRun/
+
+# MSBuild Binary and Structured Log
+*.binlog
+
+# NVidia Nsight GPU debugger configuration file
+*.nvuser
+
+# MFractors (Xamarin productivity tool) working folder
+.mfractor/
+
+# Local History for Visual Studio
+.localhistory/
+
+# Visual Studio History (VSHistory) files
+.vshistory/
+
+# BeatPulse healthcheck temp database
+healthchecksdb
+
+# Backup folder for Package Reference Convert tool in Visual Studio 2017
+MigrationBackup/
+
+# Ionide (cross platform F# VS Code tools) working folder
+.ionide/
+
+# Fody - auto-generated XML schema
+FodyWeavers.xsd
+
+# VS Code files for those working on multiple tools
+.vscode
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+*.code-workspace
+
+# Local History for Visual Studio Code
+.history/
+
+# Windows Installer files from build outputs
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# JetBrains Rider
+*.sln.iml
+
+##
+## Visual studio for Mac
+##
+
+# globs
+Makefile.in
+*.userprefs
+*.usertasks
+config.make
+config.status
+aclocal.m4
+install-sh
+autom4te.cache/
+*.tar.gz
+tarballs/
+test-results/
+
+# Mac bundle stuff
+*.dmg
+*.app
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
+# General
+.DS_Store
+.AppleDouble
+.LSOverride
+
+# Icon must end with two \r
+Icon
+
+# Thumbnails
+._*
+
+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# Directories potentially created on remote AFP share
+.AppleDB
+.AppleDesktop
+Network Trash Folder
+Temporary Items
+.apdisk
+
+# content below from: https://github.com/github/gitignore/blob/master/Global/Windows.gitignore
+# Windows thumbnail cache files
+Thumbs.db
+ehthumbs.db
+ehthumbs_vista.db
+
+# Dump file
+*.stackdump
+
+# Folder config file
+[Dd]esktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# Windows shortcuts
+*.lnk
+
+# Rider Idea
 bin/
 obj/
 /packages/
 riderModule.iml
-/_ReSharper.Caches/
+
+# Production settings (contains secrets)
+src/API/appsettings.Production.json
+
+# JetBrains Rider IDE (user-specific)
+.idea/
+
+*.drawio
+*.drawio.bkp
+src/ClientApp/.angular/
+src/ClientApp/dist/
+src/ClientApp/coverage/

.idea/.idea.DotNetAngular/.idea/deviceManager.xml

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.idea/.idea.DotNetAngular/.idea/encodings.xml

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.idea/.idea.DotNetAngular/.idea/indexLayout.xml

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.idea/.idea.DotNetAngular/.idea/inspectionProfiles/Project_Default.xml

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.idea/.idea.DotNetAngular/.idea/workspace.xml

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DotNetAngular.sln.DotSettings.user

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+	<s:String x:Key="/Default/Environment/UnitTesting/UnitTestSessionStore/Sessions/=4adf65b1_002D2697_002D427f_002Db68a_002D93ae8ffb5baf/@EntryIndexedValue">&lt;SessionState ContinuousTestingMode="0" IsActive="True" Name="All tests from Solution" xmlns="urn:schemas-jetbrains-com:jetbrains-ut-session"&gt;
+  &lt;Solution /&gt;
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README.md

@@ -1,88 +1,232 @@
-# .NET + Angular Application Template
+# DotNetAngular
 
-This project is a full-stack web application Template combining **ASP.NET Core** for the backend and **Angular** for the frontend.
+Full-Stack Webanwendung mit **ASP.NET Core (.NET 10)** und **Angular 21**, basierend auf **Clean Architecture** mit **PostgreSQL** als Datenbank.
-
-## 🛠️ Technologies Used
-
-- **Backend:** ASP.NET Core (.NET 10)
-    
-- **Frontend:** Angular
-    
-- **API Documentation:** Swagger (Swashbuckle)
-
-## 🔐 Authentication (Register & Login)
-
-The template includes a preconfigured user registration and authentication flow, designed as a solid baseline for production-ready applications.
-
-- **Register:**
-Creation of new user accounts via a dedicated API endpoint with server-side validation and secure password hashing.
-
-- **Login:**
-Token-based authentication using JWT (JSON Web Token). Upon successful authentication, a token is issued for authorized API access.
-
-- **Authorization:**
-Protected backend endpoints and frontend routes are secured using role- or policy-based access control.
-
-The authentication architecture is secure, extensible, and aligned with enterprise best practices.
-
-## 🚀 Getting Started
-
-### Prerequisites
-
-- [.NET 10 SDK](https://dotnet.microsoft.com/en-us/download/dotnet/10.0)
-    
-- [Node.js (LTS)](https://nodejs.org/)
-    
-- [Angular CLI ](https://angular.dev/)
-    
-
-### 🔧 Setup Instructions
-
-1. **Install Angular dependencies**
-    
-    ⚠️ **Before starting the application for the first time**, run the following command in the `ClientApp` directory:     
-    ```bash
-        cd src/ClientApp
-        npm install
-    ```
-    
-2. **Run the application**
-    
-    Go back to the API folder and start the backend server:  
-    ```bash
-     cd src/API
-	    dotnet run --launch-profile angular_dev
-    ```    
-    
-3. **Access the app**
-    
-    - Angular frontend: [http://localhost:44492](http://localhost:44492)
-        
-    - Swagger UI (API docs): [http://localhost:5184/swagger](http://localhost:5184/swagger)
 
 ---
 
-## 🧪 Running Angular Tests
+## Architektur
 
-Angular frontend tests are set up using Karma + Jasmine. All test files follow the `.spec.ts` naming convention and are located alongside their respective components and services in `src/ClientApp/src/`.
+```
+src/
+├── API            # ASP.NET Core Web API (Controller, Middleware, Swagger)
+├── Application    # Anwendungslogik (Services, DTOs, Validatoren)
+├── Domain         # Entitäten, Repository-Interfaces, Value Objects
+└── Infrastructure # EF Core DbContext, Repositories, Migrations
+tests/
+├── Application.UnitTest     # xUnit-Unit-Tests
+└── Application.FunctionalTest # xUnit-Funktionstests
+```
 
-### Quick Start
+### Patterns
+- **Clean Architecture** mit 4 Schichten (API → Application → Domain ← Infrastructure)
+- **Repository & Unit of Work** Pattern
+- **Result Pattern** für explizite Erfolgs-/Fehlerrückgaben (keine Exceptions für Flow-Control)
+- **FluentValidation** für Request-Validierung
+- **JWT-Authentifizierung** mit Refresh-Token
+- **Role-Based Access Control** (SuperAdmin, Admin, User)
+
+---
+
+## Technologien
+
+| Bereich | Technologie | Version |
+|---|---|---|
+| **Backend** | ASP.NET Core | .NET 10 |
+| **ORM** | Entity Framework Core | 10.0.7 |
+| **Datenbank** | PostgreSQL (Npgsql) | 10.0.1 |
+| **Auth** | JWT Bearer (System.IdentityModel.Tokens.Jwt) | 8.18.0 |
+| **Validierung** | FluentValidation | 12.1.1 |
+| **E-Mail** | MailKit / MimeKit | 4.16.0 |
+| **API-Dokumentation** | Swagger (Swashbuckle) | 10.1.7 |
+| **Frontend** | Angular (Standalone Components) | 21.2 |
+| **UI-Framework** | Bootstrap + Bootstrap Icons | 5.3.8 / 1.13.1 |
+| **JWT Frontend** | @auth0/angular-jwt | 5.2.0 |
+| **Tests Backend** | xUnit v3 | 3.2.2 |
+| **Tests Frontend** | Karma + Jasmine | 6.4 / 5.2 |
+
+---
+
+## Features
+
+- **Registrierung & Login** mit JWT-Token (Access + Refresh Token)
+- **Passwort-Reset** per E-Mail (MailKit, HTML-Template)
+- **Rollensystem**: SuperAdmin, Admin, User
+- **Benutzerverwaltung**: CRUD, Rollenzuweisung/-entzug
+- **Paginierte Benutzerliste**
+- **Dark Mode**
+- **Toast-Benachrichtigungen**
+- **Route-Guards** (Authenticated, Admin, Guest)
+- **Token-Interceptor** mit automatischem Refresh bei 401
+
+---
+
+## Voraussetzungen
+
+- [.NET 10 SDK](https://dotnet.microsoft.com/en-us/download/dotnet/10.0)
+- [Node.js (LTS)](https://nodejs.org/) (≥18)
+- [Angular CLI](https://angular.dev/tools/cli)
+- PostgreSQL (lokal oder per Docker)
+- Ein Chrome/Chromium für Headless-Tests
+
+---
+
+## Setup
+
+### 1. Repository klonen
+
+```bash
+git clone <repo-url>
+cd DotNetAngular
+```
+
+### 2. Angular-Abhängigkeiten installieren
 
 ```bash
 cd src/ClientApp
+npm install
+cd ../..
+```
+
+### 3. Datenbank konfigurieren
+
+Die Verbindungsdaten werden über **User Secrets** gesetzt:
+
+```bash
+cd src/API
+dotnet user-secrets set "PostgreSqlSettings:Password" "<dein-passwort>"
+dotnet user-secrets set "PostgreSqlSettings:Host" "localhost"
+dotnet user-secrets set "EmailSettings:From" "deine-email@gmail.com"
+dotnet user-secrets set "EmailSettings:Password" "<app-passwort>"
+```
+
+> Standard-Datenbank: `template_db`, Standard-User: `natlinux` (aus `appsettings.json`).
+
+### 4. Datenbank erstellen
+
+```bash
+dotnet ef database update
+```
+
+> `dotnet-ef` ist als lokales Tool in `dotnet-tools.json` definiert.
+
+### 5. Anwendung starten
+
+**Mit Angular-Dev-Proxy (empfohlen):**
+
+```bash
+cd src/API
+dotnet run --launch-profile Angular_dev
+```
+
+- Angular Frontend: [http://localhost:44492](http://localhost:44492)
+- API (direkt): [http://localhost:5184](http://localhost:5184) / [https://localhost:7091](https://localhost:7091)
+
+**Nur API mit Swagger:**
+
+```bash
+dotnet run --launch-profile swagger_dev
+```
+
+- Swagger UI: [https://localhost:7091/swagger](https://localhost:7091/swagger)
+
+---
+
+## Tests
+
+**Status:** 76 .NET-Tests + 132 Angular-Tests — alle grün.
+
+### Backend (xUnit)
+
+```bash
+# Alle Tests
+dotnet test
+
+# Nur Unit-Tests
+dotnet test tests/Application.UnitTest
+
+# Nur Funktionstests
+dotnet test tests/Application.FunctionalTest
+```
+
+Getestete Komponenten: `Result`/`PagedResult` (Edge Cases), `JwtService` (Token-Generierung, Refresh-Validierung), `EmailService` (SMTP-Interaktion), `AuthenticationService`.
+
+### Frontend (Karma + Jasmine)
+
+```bash
+cd src/ClientApp
+
+# Interaktiv (Browser)
 npm test
-   ```
 
-### Headless/CI und Coverage
+# Headless CI
-
-  ```bash
-  cd src/ClientApp
-  npm run test:coverage
-  ```
-The coverage report is generated under `src/ClientApp/coverage/` (HTML-Report in `index.html`).
-
-  ```bash
-  cd src/ClientApp
 npm run test:ci
+
+# Mit Coverage
+npm run test:coverage
+# Report: src/ClientApp/coverage/index.html
 ```
-Note: For headless tests, a Chrome/Chromium runtime must be present on the machine.
+
+```bash
+# Headless (benötigt Chromium-Pfad)
+CHROME_BIN=/usr/bin/chromium npx ng test --no-watch --browsers=ChromeHeadless
+```
+
+Getestete Komponenten: `tokenInterceptor` (401-Refresh-Flow), `HeaderComponent` (Logout/Rolle/Username), `authService` (HTTP-Login/Register/Renew), `DarkModeService` (localStorage-Persistenz), `ToastComponent` (Auto-Dismiss), `PopupModalComponent` (Inputs/Outputs), `ForgetPasswordPopupComponent` (Close/Error/Success).
+
+---
+
+## NPM-Skripte (Frontend)
+
+| Befehl | Beschreibung |
+|---|---|
+| `npm start` | `ng serve --port 44492` |
+| `npm run build` | Produktions-Build |
+| `npm test` | Tests (Watch-Modus) |
+| `npm run test:ci` | Headless CI-Tests |
+| `npm run test:coverage` | Tests mit Coverage |
+| `npm run watch` | Dev-Build mit Watch |
+
+---
+
+## API-Endpunkte
+
+Basis: `http://localhost:5184/api` (Dev) / `https://localhost:7091/api`
+
+### Auth (`/api/auth`)
+
+| Methode | Pfad | Auth | Beschreibung |
+|---|---|---|---|
+| POST | `/register` | - | Benutzer registrieren |
+| POST | `/login` | - | Login (gibt JWT + Refresh-Token) |
+| POST | `/refresh-token` | - | Access-Token erneuern |
+| POST | `/send-reset-email/{email}` | - | Passwort-Reset-Mail senden |
+| POST | `/reset-password` | - | Passwort zurücksetzen |
+
+### User (`/api/user`)
+
+| Methode | Pfad | Auth | Beschreibung |
+|---|---|---|---|
+| GET | `/` | Admin/SuperAdmin | Paginierte Benutzerliste |
+| GET | `/{id}` | Authenticated | Benutzer per ID |
+| PUT | `/` | Authenticated | Benutzer aktualisieren |
+| DELETE | `/{id}` | Authenticated | Benutzer löschen (außer sich selbst) |
+| POST | `/assign-role` | SuperAdmin | Rolle zuweisen |
+| DELETE | `/revoke-role` | SuperAdmin | Rolle entziehen |
+
+---
+
+## Standard-Rollen
+
+| Rolle | ID | Berechtigungen |
+|---|---|---|
+| SuperAdmin | 1 | Vollzugriff, Rollenverwaltung |
+| Admin | 2 | Benutzerliste, Dashboard |
+| User | 3 | Eigenes Dashboard, Profil bearbeiten |
+
+Seed-Daten: SuperAdmin (ID 1) und Admin (ID 2) werden automatisch angelegt.
+
+---
+## Hinweise
+
+- Der JWT-Secret-Key in `appsettings.json` ist ein Platzhalter und sollte in Produktion überschrieben werden (z. B. über User Secrets, Umgebungsvariablen oder `appsettings.Production.json`).
+- E-Mail-Versand verwendet Gmail SMTP – es wird ein [App-Passwort](https://support.google.com/accounts/answer/185833) benötigt.

node_modules/.package-lock.json

@@ -0,0 +1,16 @@
+{
+  "name": "DotNetAngular",
+  "lockfileVersion": 3,
+  "requires": true,
+  "packages": {
+    "node_modules/@popperjs/core": {
+      "version": "2.11.8",
+      "resolved": "https://registry.npmjs.org/@popperjs/core/-/core-2.11.8.tgz",
+      "integrity": "sha512-P1st0aksCrn9sGZhp8GMYwBnQsbvAWsZAX44oXNNvLHGqAOcoVxmjZiohstwQ7SqKnbR47akdNi+uleWD8+g6A==",
+      "funding": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/popperjs"
+      }
+    }
+  }
+}

node_modules/@popperjs/core/LICENSE.md

@@ -0,0 +1,20 @@
+The MIT License (MIT)
+
+Copyright (c) 2019 Federico Zivolo
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+the Software, and to permit persons to whom the Software is furnished to do so,
+subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
+FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.

node_modules/@popperjs/core/README.md

@@ -0,0 +1,376 @@
+<!-- <HEADER> // IGNORE IT -->
+<p align="center">
+  <img src="https://rawcdn.githack.com/popperjs/popper-core/8805a5d7599e14619c9e7ac19a3713285d8e5d7f/docs/src/images/popper-logo-outlined.svg" alt="Popper" height="300px"/>
+</p>
+
+<div align="center">
+  <h1>Tooltip & Popover Positioning Engine</h1>
+</div>
+
+<p align="center">
+  <a href="https://www.npmjs.com/package/@popperjs/core">
+    <img src="https://img.shields.io/npm/v/@popperjs/core?style=for-the-badge" alt="npm version" />
+  </a>
+  <a href="https://www.npmjs.com/package/@popperjs/core">
+    <img src="https://img.shields.io/endpoint?style=for-the-badge&url=https://runkit.io/fezvrasta/combined-npm-downloads/1.0.0?packages=popper.js,@popperjs/core" alt="npm downloads per month (popper.js + @popperjs/core)" />
+  </a>
+  <a href="https://rollingversions.com/popperjs/popper-core">
+    <img src="https://img.shields.io/badge/Rolling%20Versions-Enabled-brightgreen?style=for-the-badge" alt="Rolling Versions" />
+  </a>
+</p>
+
+<br />
+<!-- </HEADER> // NOW BEGINS THE README -->
+
+**Positioning tooltips and popovers is difficult. Popper is here to help!**
+
+Given an element, such as a button, and a tooltip element describing it, Popper
+will automatically put the tooltip in the right place near the button.
+
+It will position _any_ UI element that "pops out" from the flow of your document
+and floats near a target element. The most common example is a tooltip, but it
+also includes popovers, drop-downs, and more. All of these can be generically
+described as a "popper" element.
+
+## Demo
+
+[![Popper visualized](https://i.imgur.com/F7qWsmV.jpg)](https://popper.js.org)
+
+## Docs
+
+- [v2.x (latest)](https://popper.js.org/docs/v2/)
+- [v1.x](https://popper.js.org/docs/v1/)
+
+We've created a
+[Migration Guide](https://popper.js.org/docs/v2/migration-guide/) to help you
+migrate from Popper 1 to Popper 2.
+
+To contribute to the Popper website and documentation, please visit the
+[dedicated repository](https://github.com/popperjs/website).
+
+## Why not use pure CSS?
+
+- **Clipping and overflow issues**: Pure CSS poppers will not be prevented from
+  overflowing clipping boundaries, such as the viewport. It will get partially
+  cut off or overflows if it's near the edge since there is no dynamic
+  positioning logic. When using Popper, your popper will always be positioned in
+  the right place without needing manual adjustments.
+- **No flipping**: CSS poppers will not flip to a different placement to fit
+  better in view if necessary. While you can manually adjust for the main axis
+  overflow, this feature cannot be achieved via CSS alone. Popper automatically
+  flips the tooltip to make it fit in view as best as possible for the user.
+- **No virtual positioning**: CSS poppers cannot follow the mouse cursor or be
+  used as a context menu. Popper allows you to position your tooltip relative to
+  any coordinates you desire.
+- **Slower development cycle**: When pure CSS is used to position popper
+  elements, the lack of dynamic positioning means they must be carefully placed
+  to consider overflow on all screen sizes. In reusable component libraries,
+  this means a developer can't just add the component anywhere on the page,
+  because these issues need to be considered and adjusted for every time. With
+  Popper, you can place your elements anywhere and they will be positioned
+  correctly, without needing to consider different screen sizes, layouts, etc.
+  This massively speeds up development time because this work is automatically
+  offloaded to Popper.
+- **Lack of extensibility**: CSS poppers cannot be easily extended to fit any
+  arbitrary use case you may need to adjust for. Popper is built with
+  extensibility in mind.
+
+## Why Popper?
+
+With the CSS drawbacks out of the way, we now move on to Popper in the
+JavaScript space itself.
+
+Naive JavaScript tooltip implementations usually have the following problems:
+
+- **Scrolling containers**: They don't ensure the tooltip stays with the
+  reference element while scrolling when inside any number of scrolling
+  containers.
+- **DOM context**: They often require the tooltip move outside of its original
+  DOM context because they don't handle `offsetParent` contexts.
+- **Compatibility**: Popper handles an incredible number of edge cases regarding
+  different browsers and environments (mobile viewports, RTL, scrollbars enabled
+  or disabled, etc.). Popper is a popular and well-maintained library, so you
+  can be confident positioning will work for your users on any device.
+- **Configurability**: They often lack advanced configurability to suit any
+  possible use case.
+- **Size**: They are usually relatively large in size, or require an ancient
+  jQuery dependency.
+- **Performance**: They often have runtime performance issues and update the
+  tooltip position too slowly.
+
+**Popper solves all of these key problems in an elegant, performant manner.** It
+is a lightweight ~3 kB library that aims to provide a reliable and extensible
+positioning engine you can use to ensure all your popper elements are positioned
+in the right place.
+
+When you start writing your own popper implementation, you'll quickly run into
+all of the problems mentioned above. These widgets are incredibly common in our
+UIs; we've done the hard work figuring this out so you don't need to spend hours
+fixing and handling numerous edge cases that we already ran into while building
+the library!
+
+Popper is used in popular libraries like Bootstrap, Foundation, Material UI, and
+more. It's likely you've already used popper elements on the web positioned by
+Popper at some point in the past few years.
+
+Since we write UIs using powerful abstraction libraries such as React or Angular
+nowadays, you'll also be glad to know Popper can fully integrate with them and
+be a good citizen together with your other components. Check out `react-popper`
+for the official Popper wrapper for React.
+
+## Installation
+
+### 1. Package Manager
+
+```bash
+# With npm
+npm i @popperjs/core
+
+# With Yarn
+yarn add @popperjs/core
+```
+
+### 2. CDN
+
+```html
+<!-- Development version -->
+<script src="https://unpkg.com/@popperjs/core@2/dist/umd/popper.js"></script>
+
+<!-- Production version -->
+<script src="https://unpkg.com/@popperjs/core@2"></script>
+```
+
+### 3. Direct Download?
+
+Managing dependencies by "directly downloading" them and placing them into your
+source code is not recommended for a variety of reasons, including missing out
+on feat/fix updates easily. Please use a versioning management system like a CDN
+or npm/Yarn.
+
+## Usage
+
+The most straightforward way to get started is to import Popper from the `unpkg`
+CDN, which includes all of its features. You can call the `Popper.createPopper`
+constructor to create new popper instances.
+
+Here is a complete example:
+
+```html
+<!DOCTYPE html>
+<title>Popper example</title>
+
+<style>
+  #tooltip {
+    background-color: #333;
+    color: white;
+    padding: 5px 10px;
+    border-radius: 4px;
+    font-size: 13px;
+  }
+</style>
+
+<button id="button" aria-describedby="tooltip">I'm a button</button>
+<div id="tooltip" role="tooltip">I'm a tooltip</div>
+
+<script src="https://unpkg.com/@popperjs/core@^2.0.0"></script>
+<script>
+  const button = document.querySelector('#button');
+  const tooltip = document.querySelector('#tooltip');
+
+  // Pass the button, the tooltip, and some options, and Popper will do the
+  // magic positioning for you:
+  Popper.createPopper(button, tooltip, {
+    placement: 'right',
+  });
+</script>
+```
+
+Visit the [tutorial](https://popper.js.org/docs/v2/tutorial/) for an example of
+how to build your own tooltip from scratch using Popper.
+
+### Module bundlers
+
+You can import the `createPopper` constructor from the fully-featured file:
+
+```js
+import { createPopper } from '@popperjs/core';
+
+const button = document.querySelector('#button');
+const tooltip = document.querySelector('#tooltip');
+
+// Pass the button, the tooltip, and some options, and Popper will do the
+// magic positioning for you:
+createPopper(button, tooltip, {
+  placement: 'right',
+});
+```
+
+All the modifiers listed in the docs menu will be enabled and "just work", so
+you don't need to think about setting Popper up. The size of Popper including
+all of its features is about 5 kB minzipped, but it may grow a bit in the
+future.
+
+#### Popper Lite (tree-shaking)
+
+If bundle size is important, you'll want to take advantage of tree-shaking. The
+library is built in a modular way to allow to import only the parts you really
+need.
+
+```js
+import { createPopperLite as createPopper } from '@popperjs/core';
+```
+
+The Lite version includes the most necessary modifiers that will compute the
+offsets of the popper, compute and add the positioning styles, and add event
+listeners. This is close in bundle size to pure CSS tooltip libraries, and
+behaves somewhat similarly.
+
+However, this does not include the features that makes Popper truly useful.
+
+The two most useful modifiers not included in Lite are `preventOverflow` and
+`flip`:
+
+```js
+import {
+  createPopperLite as createPopper,
+  preventOverflow,
+  flip,
+} from '@popperjs/core';
+
+const button = document.querySelector('#button');
+const tooltip = document.querySelector('#tooltip');
+
+createPopper(button, tooltip, {
+  modifiers: [preventOverflow, flip],
+});
+```
+
+As you make more poppers, you may be finding yourself needing other modifiers
+provided by the library.
+
+See [tree-shaking](https://popper.js.org/docs/v2/performance/#tree-shaking) for more
+information.
+
+## Distribution targets
+
+Popper is distributed in 3 different versions, in 3 different file formats.
+
+The 3 file formats are:
+
+- `esm` (works with `import` syntax — **recommended**)
+- `umd` (works with `<script>` tags or RequireJS)
+- `cjs` (works with `require()` syntax)
+
+There are two different `esm` builds, one for bundler consumers (e.g. webpack,
+Rollup, etc..), which is located under `/lib`, and one for browsers with native
+support for ES Modules, under `/dist/esm`. The only difference within the two,
+is that the browser-compatible version doesn't make use of
+`process.env.NODE_ENV` to run development checks.
+
+The 3 versions are:
+
+- `popper`: includes all the modifiers (features) in one file (**default**);
+- `popper-lite`: includes only the minimum amount of modifiers to provide the
+  basic functionality;
+- `popper-base`: doesn't include any modifier, you must import them separately;
+
+Below you can find the size of each version, minified and compressed with the
+[Brotli compression algorithm](https://medium.com/groww-engineering/enable-brotli-compression-in-webpack-with-fallback-to-gzip-397a57cf9fc6):
+
+<!-- Don't change the labels to use hyphens, it breaks, even when encoded -->
+
+![](https://badge-size.now.sh/https://unpkg.com/@popperjs/core/dist/umd/popper.min.js?compression=brotli&label=popper)
+![](https://badge-size.now.sh/https://unpkg.com/@popperjs/core/dist/umd/popper-lite.min.js?compression=brotli&label=popper%20lite)
+![](https://badge-size.now.sh/https://unpkg.com/@popperjs/core/dist/umd/popper-base.min.js?compression=brotli&label=popper%20base)
+
+## Hacking the library
+
+If you want to play with the library, implement new features, fix a bug you
+found, or simply experiment with it, this section is for you!
+
+First of all, make sure to have
+[Yarn installed](https://yarnpkg.com/lang/en/docs/install).
+
+Install the development dependencies:
+
+```bash
+yarn install
+```
+
+And run the development environment:
+
+```bash
+yarn dev
+```
+
+Then, simply open one the development server web page:
+
+```bash
+# macOS and Linux
+open localhost:5000
+
+# Windows
+start localhost:5000
+```
+
+From there, you can open any of the examples (`.html` files) to fiddle with
+them.
+
+Now any change you will made to the source code, will be automatically compiled,
+you just need to refresh the page.
+
+If the page is not working properly, try to go in _"Developer Tools >
+Application > Clear storage"_ and click on "_Clear site data_".  
+To run the examples you need a browser with
+[JavaScript modules via script tag support](https://caniuse.com/#feat=es6-module).
+
+## Test Suite
+
+Popper is currently tested with unit tests, and functional tests. Both of them
+are run by Jest.
+
+### Unit Tests
+
+The unit tests use JSDOM to provide a primitive document object API, they are
+used to ensure the utility functions behave as expected in isolation.
+
+### Functional Tests
+
+The functional tests run with Puppeteer, to take advantage of a complete browser
+environment. They are currently running on Chromium, and Firefox.
+
+You can run them with `yarn test:functional`. Set the `PUPPETEER_BROWSER`
+environment variable to `firefox` to run them on the Mozilla browser.
+
+The assertions are written in form of image snapshots, so that it's easy to
+assert for the correct Popper behavior without having to write a lot of offsets
+comparisons manually.
+
+You can mark a `*.test.js` file to run in the Puppeteer environment by
+prepending a `@jest-environment puppeteer` JSDoc comment to the interested file.
+
+Here's an example of a basic functional test:
+
+```js
+/**
+ * @jest-environment puppeteer
+ * @flow
+ */
+import { screenshot } from '../utils/puppeteer.js';
+
+it('should position the popper on the right', async () => {
+  const page = await browser.newPage();
+  await page.goto(`${TEST_URL}/basic.html`);
+
+  expect(await screenshot(page)).toMatchImageSnapshot();
+});
+```
+
+You can find the complete
+[`jest-puppeteer` documentation here](https://github.com/smooth-code/jest-puppeteer#api),
+and the
+[`jest-image-snapshot` documentation here](https://github.com/americanexpress/jest-image-snapshot#%EF%B8%8F-api).
+
+## License
+
+MIT

node_modules/@popperjs/core/dist/cjs/enums.js

@@ -0,0 +1,65 @@
+/**
+ * @popperjs/core v2.11.8 - MIT License
+ */
+
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+var top = 'top';
+var bottom = 'bottom';
+var right = 'right';
+var left = 'left';
+var auto = 'auto';
+var basePlacements = [top, bottom, right, left];
+var start = 'start';
+var end = 'end';
+var clippingParents = 'clippingParents';
+var viewport = 'viewport';
+var popper = 'popper';
+var reference = 'reference';
+var variationPlacements = /*#__PURE__*/basePlacements.reduce(function (acc, placement) {
+  return acc.concat([placement + "-" + start, placement + "-" + end]);
+}, []);
+var placements = /*#__PURE__*/[].concat(basePlacements, [auto]).reduce(function (acc, placement) {
+  return acc.concat([placement, placement + "-" + start, placement + "-" + end]);
+}, []); // modifiers that need to read the DOM
+
+var beforeRead = 'beforeRead';
+var read = 'read';
+var afterRead = 'afterRead'; // pure-logic modifiers
+
+var beforeMain = 'beforeMain';
+var main = 'main';
+var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state)
+
+var beforeWrite = 'beforeWrite';
+var write = 'write';
+var afterWrite = 'afterWrite';
+var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite];
+
+exports.afterMain = afterMain;
+exports.afterRead = afterRead;
+exports.afterWrite = afterWrite;
+exports.auto = auto;
+exports.basePlacements = basePlacements;
+exports.beforeMain = beforeMain;
+exports.beforeRead = beforeRead;
+exports.beforeWrite = beforeWrite;
+exports.bottom = bottom;
+exports.clippingParents = clippingParents;
+exports.end = end;
+exports.left = left;
+exports.main = main;
+exports.modifierPhases = modifierPhases;
+exports.placements = placements;
+exports.popper = popper;
+exports.read = read;
+exports.reference = reference;
+exports.right = right;
+exports.start = start;
+exports.top = top;
+exports.variationPlacements = variationPlacements;
+exports.viewport = viewport;
+exports.write = write;
+//# sourceMappingURL=enums.js.map

node_modules/@popperjs/core/dist/cjs/enums.js.flow

@@ -0,0 +1,3 @@
+// @flow
+
+export * from '../../lib/enums.js'

node_modules/@popperjs/core/dist/cjs/enums.js.map

@@ -0,0 +1 @@
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node_modules/@popperjs/core/dist/cjs/popper-base.js

@@ -0,0 +1,939 @@
+/**
+ * @popperjs/core v2.11.8 - MIT License
+ */
+
+'use strict';
+
+Object.defineProperty(exports, '__esModule', { value: true });
+
+function getWindow(node) {
+  if (node == null) {
+    return window;
+  }
+
+  if (node.toString() !== '[object Window]') {
+    var ownerDocument = node.ownerDocument;
+    return ownerDocument ? ownerDocument.defaultView || window : window;
+  }
+
+  return node;
+}
+
+function isElement(node) {
+  var OwnElement = getWindow(node).Element;
+  return node instanceof OwnElement || node instanceof Element;
+}
+
+function isHTMLElement(node) {
+  var OwnElement = getWindow(node).HTMLElement;
+  return node instanceof OwnElement || node instanceof HTMLElement;
+}
+
+function isShadowRoot(node) {
+  // IE 11 has no ShadowRoot
+  if (typeof ShadowRoot === 'undefined') {
+    return false;
+  }
+
+  var OwnElement = getWindow(node).ShadowRoot;
+  return node instanceof OwnElement || node instanceof ShadowRoot;
+}
+
+var max = Math.max;
+var min = Math.min;
+var round = Math.round;
+
+function getUAString() {
+  var uaData = navigator.userAgentData;
+
+  if (uaData != null && uaData.brands && Array.isArray(uaData.brands)) {
+    return uaData.brands.map(function (item) {
+      return item.brand + "/" + item.version;
+    }).join(' ');
+  }
+
+  return navigator.userAgent;
+}
+
+function isLayoutViewport() {
+  return !/^((?!chrome|android).)*safari/i.test(getUAString());
+}
+
+function getBoundingClientRect(element, includeScale, isFixedStrategy) {
+  if (includeScale === void 0) {
+    includeScale = false;
+  }
+
+  if (isFixedStrategy === void 0) {
+    isFixedStrategy = false;
+  }
+
+  var clientRect = element.getBoundingClientRect();
+  var scaleX = 1;
+  var scaleY = 1;
+
+  if (includeScale && isHTMLElement(element)) {
+    scaleX = element.offsetWidth > 0 ? round(clientRect.width) / element.offsetWidth || 1 : 1;
+    scaleY = element.offsetHeight > 0 ? round(clientRect.height) / element.offsetHeight || 1 : 1;
+  }
+
+  var _ref = isElement(element) ? getWindow(element) : window,
+      visualViewport = _ref.visualViewport;
+
+  var addVisualOffsets = !isLayoutViewport() && isFixedStrategy;
+  var x = (clientRect.left + (addVisualOffsets && visualViewport ? visualViewport.offsetLeft : 0)) / scaleX;
+  var y = (clientRect.top + (addVisualOffsets && visualViewport ? visualViewport.offsetTop : 0)) / scaleY;
+  var width = clientRect.width / scaleX;
+  var height = clientRect.height / scaleY;
+  return {
+    width: width,
+    height: height,
+    top: y,
+    right: x + width,
+    bottom: y + height,
+    left: x,
+    x: x,
+    y: y
+  };
+}
+
+function getWindowScroll(node) {
+  var win = getWindow(node);
+  var scrollLeft = win.pageXOffset;
+  var scrollTop = win.pageYOffset;
+  return {
+    scrollLeft: scrollLeft,
+    scrollTop: scrollTop
+  };
+}
+
+function getHTMLElementScroll(element) {
+  return {
+    scrollLeft: element.scrollLeft,
+    scrollTop: element.scrollTop
+  };
+}
+
+function getNodeScroll(node) {
+  if (node === getWindow(node) || !isHTMLElement(node)) {
+    return getWindowScroll(node);
+  } else {
+    return getHTMLElementScroll(node);
+  }
+}
+
+function getNodeName(element) {
+  return element ? (element.nodeName || '').toLowerCase() : null;
+}
+
+function getDocumentElement(element) {
+  // $FlowFixMe[incompatible-return]: assume body is always available
+  return ((isElement(element) ? element.ownerDocument : // $FlowFixMe[prop-missing]
+  element.document) || window.document).documentElement;
+}
+
+function getWindowScrollBarX(element) {
+  // If <html> has a CSS width greater than the viewport, then this will be
+  // incorrect for RTL.
+  // Popper 1 is broken in this case and never had a bug report so let's assume
+  // it's not an issue. I don't think anyone ever specifies width on <html>
+  // anyway.
+  // Browsers where the left scrollbar doesn't cause an issue report `0` for
+  // this (e.g. Edge 2019, IE11, Safari)
+  return getBoundingClientRect(getDocumentElement(element)).left + getWindowScroll(element).scrollLeft;
+}
+
+function getComputedStyle(element) {
+  return getWindow(element).getComputedStyle(element);
+}
+
+function isScrollParent(element) {
+  // Firefox wants us to check `-x` and `-y` variations as well
+  var _getComputedStyle = getComputedStyle(element),
+      overflow = _getComputedStyle.overflow,
+      overflowX = _getComputedStyle.overflowX,
+      overflowY = _getComputedStyle.overflowY;
+
+  return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX);
+}
+
+function isElementScaled(element) {
+  var rect = element.getBoundingClientRect();
+  var scaleX = round(rect.width) / element.offsetWidth || 1;
+  var scaleY = round(rect.height) / element.offsetHeight || 1;
+  return scaleX !== 1 || scaleY !== 1;
+} // Returns the composite rect of an element relative to its offsetParent.
+// Composite means it takes into account transforms as well as layout.
+
+
+function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) {
+  if (isFixed === void 0) {
+    isFixed = false;
+  }
+
+  var isOffsetParentAnElement = isHTMLElement(offsetParent);
+  var offsetParentIsScaled = isHTMLElement(offsetParent) && isElementScaled(offsetParent);
+  var documentElement = getDocumentElement(offsetParent);
+  var rect = getBoundingClientRect(elementOrVirtualElement, offsetParentIsScaled, isFixed);
+  var scroll = {
+    scrollLeft: 0,
+    scrollTop: 0
+  };
+  var offsets = {
+    x: 0,
+    y: 0
+  };
+
+  if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
+    if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078
+    isScrollParent(documentElement)) {
+      scroll = getNodeScroll(offsetParent);
+    }
+
+    if (isHTMLElement(offsetParent)) {
+      offsets = getBoundingClientRect(offsetParent, true);
+      offsets.x += offsetParent.clientLeft;
+      offsets.y += offsetParent.clientTop;
+    } else if (documentElement) {
+      offsets.x = getWindowScrollBarX(documentElement);
+    }
+  }
+
+  return {
+    x: rect.left + scroll.scrollLeft - offsets.x,
+    y: rect.top + scroll.scrollTop - offsets.y,
+    width: rect.width,
+    height: rect.height
+  };
+}
+
+// means it doesn't take into account transforms.
+
+function getLayoutRect(element) {
+  var clientRect = getBoundingClientRect(element); // Use the clientRect sizes if it's not been transformed.
+  // Fixes https://github.com/popperjs/popper-core/issues/1223
+
+  var width = element.offsetWidth;
+  var height = element.offsetHeight;
+
+  if (Math.abs(clientRect.width - width) <= 1) {
+    width = clientRect.width;
+  }
+
+  if (Math.abs(clientRect.height - height) <= 1) {
+    height = clientRect.height;
+  }
+
+  return {
+    x: element.offsetLeft,
+    y: element.offsetTop,
+    width: width,
+    height: height
+  };
+}
+
+function getParentNode(element) {
+  if (getNodeName(element) === 'html') {
+    return element;
+  }
+
+  return (// this is a quicker (but less type safe) way to save quite some bytes from the bundle
+    // $FlowFixMe[incompatible-return]
+    // $FlowFixMe[prop-missing]
+    element.assignedSlot || // step into the shadow DOM of the parent of a slotted node
+    element.parentNode || ( // DOM Element detected
+    isShadowRoot(element) ? element.host : null) || // ShadowRoot detected
+    // $FlowFixMe[incompatible-call]: HTMLElement is a Node
+    getDocumentElement(element) // fallback
+
+  );
+}
+
+function getScrollParent(node) {
+  if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) {
+    // $FlowFixMe[incompatible-return]: assume body is always available
+    return node.ownerDocument.body;
+  }
+
+  if (isHTMLElement(node) && isScrollParent(node)) {
+    return node;
+  }
+
+  return getScrollParent(getParentNode(node));
+}
+
+/*
+given a DOM element, return the list of all scroll parents, up the list of ancesors
+until we get to the top window object. This list is what we attach scroll listeners
+to, because if any of these parent elements scroll, we'll need to re-calculate the
+reference element's position.
+*/
+
+function listScrollParents(element, list) {
+  var _element$ownerDocumen;
+
+  if (list === void 0) {
+    list = [];
+  }
+
+  var scrollParent = getScrollParent(element);
+  var isBody = scrollParent === ((_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body);
+  var win = getWindow(scrollParent);
+  var target = isBody ? [win].concat(win.visualViewport || [], isScrollParent(scrollParent) ? scrollParent : []) : scrollParent;
+  var updatedList = list.concat(target);
+  return isBody ? updatedList : // $FlowFixMe[incompatible-call]: isBody tells us target will be an HTMLElement here
+  updatedList.concat(listScrollParents(getParentNode(target)));
+}
+
+function isTableElement(element) {
+  return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0;
+}
+
+function getTrueOffsetParent(element) {
+  if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837
+  getComputedStyle(element).position === 'fixed') {
+    return null;
+  }
+
+  return element.offsetParent;
+} // `.offsetParent` reports `null` for fixed elements, while absolute elements
+// return the containing block
+
+
+function getContainingBlock(element) {
+  var isFirefox = /firefox/i.test(getUAString());
+  var isIE = /Trident/i.test(getUAString());
+
+  if (isIE && isHTMLElement(element)) {
+    // In IE 9, 10 and 11 fixed elements containing block is always established by the viewport
+    var elementCss = getComputedStyle(element);
+
+    if (elementCss.position === 'fixed') {
+      return null;
+    }
+  }
+
+  var currentNode = getParentNode(element);
+
+  if (isShadowRoot(currentNode)) {
+    currentNode = currentNode.host;
+  }
+
+  while (isHTMLElement(currentNode) && ['html', 'body'].indexOf(getNodeName(currentNode)) < 0) {
+    var css = getComputedStyle(currentNode); // This is non-exhaustive but covers the most common CSS properties that
+    // create a containing block.
+    // https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block
+
+    if (css.transform !== 'none' || css.perspective !== 'none' || css.contain === 'paint' || ['transform', 'perspective'].indexOf(css.willChange) !== -1 || isFirefox && css.willChange === 'filter' || isFirefox && css.filter && css.filter !== 'none') {
+      return currentNode;
+    } else {
+      currentNode = currentNode.parentNode;
+    }
+  }
+
+  return null;
+} // Gets the closest ancestor positioned element. Handles some edge cases,
+// such as table ancestors and cross browser bugs.
+
+
+function getOffsetParent(element) {
+  var window = getWindow(element);
+  var offsetParent = getTrueOffsetParent(element);
+
+  while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === 'static') {
+    offsetParent = getTrueOffsetParent(offsetParent);
+  }
+
+  if (offsetParent && (getNodeName(offsetParent) === 'html' || getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static')) {
+    return window;
+  }
+
+  return offsetParent || getContainingBlock(element) || window;
+}
+
+var top = 'top';
+var bottom = 'bottom';
+var right = 'right';
+var left = 'left';
+var basePlacements = [top, bottom, right, left];
+var start = 'start';
+var end = 'end';
+var clippingParents = 'clippingParents';
+var viewport = 'viewport';
+var popper = 'popper';
+var reference = 'reference';
+
+var beforeRead = 'beforeRead';
+var read = 'read';
+var afterRead = 'afterRead'; // pure-logic modifiers
+
+var beforeMain = 'beforeMain';
+var main = 'main';
+var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state)
+
+var beforeWrite = 'beforeWrite';
+var write = 'write';
+var afterWrite = 'afterWrite';
+var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite];
+
+function order(modifiers) {
+  var map = new Map();
+  var visited = new Set();
+  var result = [];
+  modifiers.forEach(function (modifier) {
+    map.set(modifier.name, modifier);
+  }); // On visiting object, check for its dependencies and visit them recursively
+
+  function sort(modifier) {
+    visited.add(modifier.name);
+    var requires = [].concat(modifier.requires || [], modifier.requiresIfExists || []);
+    requires.forEach(function (dep) {
+      if (!visited.has(dep)) {
+        var depModifier = map.get(dep);
+
+        if (depModifier) {
+          sort(depModifier);
+        }
+      }
+    });
+    result.push(modifier);
+  }
+
+  modifiers.forEach(function (modifier) {
+    if (!visited.has(modifier.name)) {
+      // check for visited object
+      sort(modifier);
+    }
+  });
+  return result;
+}
+
+function orderModifiers(modifiers) {
+  // order based on dependencies
+  var orderedModifiers = order(modifiers); // order based on phase
+
+  return modifierPhases.reduce(function (acc, phase) {
+    return acc.concat(orderedModifiers.filter(function (modifier) {
+      return modifier.phase === phase;
+    }));
+  }, []);
+}
+
+function debounce(fn) {
+  var pending;
+  return function () {
+    if (!pending) {
+      pending = new Promise(function (resolve) {
+        Promise.resolve().then(function () {
+          pending = undefined;
+          resolve(fn());
+        });
+      });
+    }
+
+    return pending;
+  };
+}
+
+function mergeByName(modifiers) {
+  var merged = modifiers.reduce(function (merged, current) {
+    var existing = merged[current.name];
+    merged[current.name] = existing ? Object.assign({}, existing, current, {
+      options: Object.assign({}, existing.options, current.options),
+      data: Object.assign({}, existing.data, current.data)
+    }) : current;
+    return merged;
+  }, {}); // IE11 does not support Object.values
+
+  return Object.keys(merged).map(function (key) {
+    return merged[key];
+  });
+}
+
+function getViewportRect(element, strategy) {
+  var win = getWindow(element);
+  var html = getDocumentElement(element);
+  var visualViewport = win.visualViewport;
+  var width = html.clientWidth;
+  var height = html.clientHeight;
+  var x = 0;
+  var y = 0;
+
+  if (visualViewport) {
+    width = visualViewport.width;
+    height = visualViewport.height;
+    var layoutViewport = isLayoutViewport();
+
+    if (layoutViewport || !layoutViewport && strategy === 'fixed') {
+      x = visualViewport.offsetLeft;
+      y = visualViewport.offsetTop;
+    }
+  }
+
+  return {
+    width: width,
+    height: height,
+    x: x + getWindowScrollBarX(element),
+    y: y
+  };
+}
+
+// of the `<html>` and `<body>` rect bounds if horizontally scrollable
+
+function getDocumentRect(element) {
+  var _element$ownerDocumen;
+
+  var html = getDocumentElement(element);
+  var winScroll = getWindowScroll(element);
+  var body = (_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body;
+  var width = max(html.scrollWidth, html.clientWidth, body ? body.scrollWidth : 0, body ? body.clientWidth : 0);
+  var height = max(html.scrollHeight, html.clientHeight, body ? body.scrollHeight : 0, body ? body.clientHeight : 0);
+  var x = -winScroll.scrollLeft + getWindowScrollBarX(element);
+  var y = -winScroll.scrollTop;
+
+  if (getComputedStyle(body || html).direction === 'rtl') {
+    x += max(html.clientWidth, body ? body.clientWidth : 0) - width;
+  }
+
+  return {
+    width: width,
+    height: height,
+    x: x,
+    y: y
+  };
+}
+
+function contains(parent, child) {
+  var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method
+
+  if (parent.contains(child)) {
+    return true;
+  } // then fallback to custom implementation with Shadow DOM support
+  else if (rootNode && isShadowRoot(rootNode)) {
+      var next = child;
+
+      do {
+        if (next && parent.isSameNode(next)) {
+          return true;
+        } // $FlowFixMe[prop-missing]: need a better way to handle this...
+
+
+        next = next.parentNode || next.host;
+      } while (next);
+    } // Give up, the result is false
+
+
+  return false;
+}
+
+function rectToClientRect(rect) {
+  return Object.assign({}, rect, {
+    left: rect.x,
+    top: rect.y,
+    right: rect.x + rect.width,
+    bottom: rect.y + rect.height
+  });
+}
+
+function getInnerBoundingClientRect(element, strategy) {
+  var rect = getBoundingClientRect(element, false, strategy === 'fixed');
+  rect.top = rect.top + element.clientTop;
+  rect.left = rect.left + element.clientLeft;
+  rect.bottom = rect.top + element.clientHeight;
+  rect.right = rect.left + element.clientWidth;
+  rect.width = element.clientWidth;
+  rect.height = element.clientHeight;
+  rect.x = rect.left;
+  rect.y = rect.top;
+  return rect;
+}
+
+function getClientRectFromMixedType(element, clippingParent, strategy) {
+  return clippingParent === viewport ? rectToClientRect(getViewportRect(element, strategy)) : isElement(clippingParent) ? getInnerBoundingClientRect(clippingParent, strategy) : rectToClientRect(getDocumentRect(getDocumentElement(element)));
+} // A "clipping parent" is an overflowable container with the characteristic of
+// clipping (or hiding) overflowing elements with a position different from
+// `initial`
+
+
+function getClippingParents(element) {
+  var clippingParents = listScrollParents(getParentNode(element));
+  var canEscapeClipping = ['absolute', 'fixed'].indexOf(getComputedStyle(element).position) >= 0;
+  var clipperElement = canEscapeClipping && isHTMLElement(element) ? getOffsetParent(element) : element;
+
+  if (!isElement(clipperElement)) {
+    return [];
+  } // $FlowFixMe[incompatible-return]: https://github.com/facebook/flow/issues/1414
+
+
+  return clippingParents.filter(function (clippingParent) {
+    return isElement(clippingParent) && contains(clippingParent, clipperElement) && getNodeName(clippingParent) !== 'body';
+  });
+} // Gets the maximum area that the element is visible in due to any number of
+// clipping parents
+
+
+function getClippingRect(element, boundary, rootBoundary, strategy) {
+  var mainClippingParents = boundary === 'clippingParents' ? getClippingParents(element) : [].concat(boundary);
+  var clippingParents = [].concat(mainClippingParents, [rootBoundary]);
+  var firstClippingParent = clippingParents[0];
+  var clippingRect = clippingParents.reduce(function (accRect, clippingParent) {
+    var rect = getClientRectFromMixedType(element, clippingParent, strategy);
+    accRect.top = max(rect.top, accRect.top);
+    accRect.right = min(rect.right, accRect.right);
+    accRect.bottom = min(rect.bottom, accRect.bottom);
+    accRect.left = max(rect.left, accRect.left);
+    return accRect;
+  }, getClientRectFromMixedType(element, firstClippingParent, strategy));
+  clippingRect.width = clippingRect.right - clippingRect.left;
+  clippingRect.height = clippingRect.bottom - clippingRect.top;
+  clippingRect.x = clippingRect.left;
+  clippingRect.y = clippingRect.top;
+  return clippingRect;
+}
+
+function getBasePlacement(placement) {
+  return placement.split('-')[0];
+}
+
+function getVariation(placement) {
+  return placement.split('-')[1];
+}
+
+function getMainAxisFromPlacement(placement) {
+  return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y';
+}
+
+function computeOffsets(_ref) {
+  var reference = _ref.reference,
+      element = _ref.element,
+      placement = _ref.placement;
+  var basePlacement = placement ? getBasePlacement(placement) : null;
+  var variation = placement ? getVariation(placement) : null;
+  var commonX = reference.x + reference.width / 2 - element.width / 2;
+  var commonY = reference.y + reference.height / 2 - element.height / 2;
+  var offsets;
+
+  switch (basePlacement) {
+    case top:
+      offsets = {
+        x: commonX,
+        y: reference.y - element.height
+      };
+      break;
+
+    case bottom:
+      offsets = {
+        x: commonX,
+        y: reference.y + reference.height
+      };
+      break;
+
+    case right:
+      offsets = {
+        x: reference.x + reference.width,
+        y: commonY
+      };
+      break;
+
+    case left:
+      offsets = {
+        x: reference.x - element.width,
+        y: commonY
+      };
+      break;
+
+    default:
+      offsets = {
+        x: reference.x,
+        y: reference.y
+      };
+  }
+
+  var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null;
+
+  if (mainAxis != null) {
+    var len = mainAxis === 'y' ? 'height' : 'width';
+
+    switch (variation) {
+      case start:
+        offsets[mainAxis] = offsets[mainAxis] - (reference[len] / 2 - element[len] / 2);
+        break;
+
+      case end:
+        offsets[mainAxis] = offsets[mainAxis] + (reference[len] / 2 - element[len] / 2);
+        break;
+    }
+  }
+
+  return offsets;
+}
+
+function getFreshSideObject() {
+  return {
+    top: 0,
+    right: 0,
+    bottom: 0,
+    left: 0
+  };
+}
+
+function mergePaddingObject(paddingObject) {
+  return Object.assign({}, getFreshSideObject(), paddingObject);
+}
+
+function expandToHashMap(value, keys) {
+  return keys.reduce(function (hashMap, key) {
+    hashMap[key] = value;
+    return hashMap;
+  }, {});
+}
+
+function detectOverflow(state, options) {
+  if (options === void 0) {
+    options = {};
+  }
+
+  var _options = options,
+      _options$placement = _options.placement,
+      placement = _options$placement === void 0 ? state.placement : _options$placement,
+      _options$strategy = _options.strategy,
+      strategy = _options$strategy === void 0 ? state.strategy : _options$strategy,
+      _options$boundary = _options.boundary,
+      boundary = _options$boundary === void 0 ? clippingParents : _options$boundary,
+      _options$rootBoundary = _options.rootBoundary,
+      rootBoundary = _options$rootBoundary === void 0 ? viewport : _options$rootBoundary,
+      _options$elementConte = _options.elementContext,
+      elementContext = _options$elementConte === void 0 ? popper : _options$elementConte,
+      _options$altBoundary = _options.altBoundary,
+      altBoundary = _options$altBoundary === void 0 ? false : _options$altBoundary,
+      _options$padding = _options.padding,
+      padding = _options$padding === void 0 ? 0 : _options$padding;
+  var paddingObject = mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));
+  var altContext = elementContext === popper ? reference : popper;
+  var popperRect = state.rects.popper;
+  var element = state.elements[altBoundary ? altContext : elementContext];
+  var clippingClientRect = getClippingRect(isElement(element) ? element : element.contextElement || getDocumentElement(state.elements.popper), boundary, rootBoundary, strategy);
+  var referenceClientRect = getBoundingClientRect(state.elements.reference);
+  var popperOffsets = computeOffsets({
+    reference: referenceClientRect,
+    element: popperRect,
+    strategy: 'absolute',
+    placement: placement
+  });
+  var popperClientRect = rectToClientRect(Object.assign({}, popperRect, popperOffsets));
+  var elementClientRect = elementContext === popper ? popperClientRect : referenceClientRect; // positive = overflowing the clipping rect
+  // 0 or negative = within the clipping rect
+
+  var overflowOffsets = {
+    top: clippingClientRect.top - elementClientRect.top + paddingObject.top,
+    bottom: elementClientRect.bottom - clippingClientRect.bottom + paddingObject.bottom,
+    left: clippingClientRect.left - elementClientRect.left + paddingObject.left,
+    right: elementClientRect.right - clippingClientRect.right + paddingObject.right
+  };
+  var offsetData = state.modifiersData.offset; // Offsets can be applied only to the popper element
+
+  if (elementContext === popper && offsetData) {
+    var offset = offsetData[placement];
+    Object.keys(overflowOffsets).forEach(function (key) {
+      var multiply = [right, bottom].indexOf(key) >= 0 ? 1 : -1;
+      var axis = [top, bottom].indexOf(key) >= 0 ? 'y' : 'x';
+      overflowOffsets[key] += offset[axis] * multiply;
+    });
+  }
+
+  return overflowOffsets;
+}
+
+var DEFAULT_OPTIONS = {
+  placement: 'bottom',
+  modifiers: [],
+  strategy: 'absolute'
+};
+
+function areValidElements() {
+  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+    args[_key] = arguments[_key];
+  }
+
+  return !args.some(function (element) {
+    return !(element && typeof element.getBoundingClientRect === 'function');
+  });
+}
+
+function popperGenerator(generatorOptions) {
+  if (generatorOptions === void 0) {
+    generatorOptions = {};
+  }
+
+  var _generatorOptions = generatorOptions,
+      _generatorOptions$def = _generatorOptions.defaultModifiers,
+      defaultModifiers = _generatorOptions$def === void 0 ? [] : _generatorOptions$def,
+      _generatorOptions$def2 = _generatorOptions.defaultOptions,
+      defaultOptions = _generatorOptions$def2 === void 0 ? DEFAULT_OPTIONS : _generatorOptions$def2;
+  return function createPopper(reference, popper, options) {
+    if (options === void 0) {
+      options = defaultOptions;
+    }
+
+    var state = {
+      placement: 'bottom',
+      orderedModifiers: [],
+      options: Object.assign({}, DEFAULT_OPTIONS, defaultOptions),
+      modifiersData: {},
+      elements: {
+        reference: reference,
+        popper: popper
+      },
+      attributes: {},
+      styles: {}
+    };
+    var effectCleanupFns = [];
+    var isDestroyed = false;
+    var instance = {
+      state: state,
+      setOptions: function setOptions(setOptionsAction) {
+        var options = typeof setOptionsAction === 'function' ? setOptionsAction(state.options) : setOptionsAction;
+        cleanupModifierEffects();
+        state.options = Object.assign({}, defaultOptions, state.options, options);
+        state.scrollParents = {
+          reference: isElement(reference) ? listScrollParents(reference) : reference.contextElement ? listScrollParents(reference.contextElement) : [],
+          popper: listScrollParents(popper)
+        }; // Orders the modifiers based on their dependencies and `phase`
+        // properties
+
+        var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers
+
+        state.orderedModifiers = orderedModifiers.filter(function (m) {
+          return m.enabled;
+        });
+        runModifierEffects();
+        return instance.update();
+      },
+      // Sync update – it will always be executed, even if not necessary. This
+      // is useful for low frequency updates where sync behavior simplifies the
+      // logic.
+      // For high frequency updates (e.g. `resize` and `scroll` events), always
+      // prefer the async Popper#update method
+      forceUpdate: function forceUpdate() {
+        if (isDestroyed) {
+          return;
+        }
+
+        var _state$elements = state.elements,
+            reference = _state$elements.reference,
+            popper = _state$elements.popper; // Don't proceed if `reference` or `popper` are not valid elements
+        // anymore
+
+        if (!areValidElements(reference, popper)) {
+          return;
+        } // Store the reference and popper rects to be read by modifiers
+
+
+        state.rects = {
+          reference: getCompositeRect(reference, getOffsetParent(popper), state.options.strategy === 'fixed'),
+          popper: getLayoutRect(popper)
+        }; // Modifiers have the ability to reset the current update cycle. The
+        // most common use case for this is the `flip` modifier changing the
+        // placement, which then needs to re-run all the modifiers, because the
+        // logic was previously ran for the previous placement and is therefore
+        // stale/incorrect
+
+        state.reset = false;
+        state.placement = state.options.placement; // On each update cycle, the `modifiersData` property for each modifier
+        // is filled with the initial data specified by the modifier. This means
+        // it doesn't persist and is fresh on each update.
+        // To ensure persistent data, use `${name}#persistent`
+
+        state.orderedModifiers.forEach(function (modifier) {
+          return state.modifiersData[modifier.name] = Object.assign({}, modifier.data);
+        });
+
+        for (var index = 0; index < state.orderedModifiers.length; index++) {
+          if (state.reset === true) {
+            state.reset = false;
+            index = -1;
+            continue;
+          }
+
+          var _state$orderedModifie = state.orderedModifiers[index],
+              fn = _state$orderedModifie.fn,
+              _state$orderedModifie2 = _state$orderedModifie.options,
+              _options = _state$orderedModifie2 === void 0 ? {} : _state$orderedModifie2,
+              name = _state$orderedModifie.name;
+
+          if (typeof fn === 'function') {
+            state = fn({
+              state: state,
+              options: _options,
+              name: name,
+              instance: instance
+            }) || state;
+          }
+        }
+      },
+      // Async and optimistically optimized update – it will not be executed if
+      // not necessary (debounced to run at most once-per-tick)
+      update: debounce(function () {
+        return new Promise(function (resolve) {
+          instance.forceUpdate();
+          resolve(state);
+        });
+      }),
+      destroy: function destroy() {
+        cleanupModifierEffects();
+        isDestroyed = true;
+      }
+    };
+
+    if (!areValidElements(reference, popper)) {
+      return instance;
+    }
+
+    instance.setOptions(options).then(function (state) {
+      if (!isDestroyed && options.onFirstUpdate) {
+        options.onFirstUpdate(state);
+      }
+    }); // Modifiers have the ability to execute arbitrary code before the first
+    // update cycle runs. They will be executed in the same order as the update
+    // cycle. This is useful when a modifier adds some persistent data that
+    // other modifiers need to use, but the modifier is run after the dependent
+    // one.
+
+    function runModifierEffects() {
+      state.orderedModifiers.forEach(function (_ref) {
+        var name = _ref.name,
+            _ref$options = _ref.options,
+            options = _ref$options === void 0 ? {} : _ref$options,
+            effect = _ref.effect;
+
+        if (typeof effect === 'function') {
+          var cleanupFn = effect({
+            state: state,
+            name: name,
+            instance: instance,
+            options: options
+          });
+
+          var noopFn = function noopFn() {};
+
+          effectCleanupFns.push(cleanupFn || noopFn);
+        }
+      });
+    }
+
+    function cleanupModifierEffects() {
+      effectCleanupFns.forEach(function (fn) {
+        return fn();
+      });
+      effectCleanupFns = [];
+    }
+
+    return instance;
+  };
+}
+var createPopper = /*#__PURE__*/popperGenerator(); // eslint-disable-next-line import/no-unused-modules
+
+exports.createPopper = createPopper;
+exports.detectOverflow = detectOverflow;
+exports.popperGenerator = popperGenerator;
+//# sourceMappingURL=popper-base.js.map

node_modules/@popperjs/core/dist/cjs/popper-base.js.flow

@@ -0,0 +1,3 @@
+// @flow
+
+export * from '../../lib/popper-base.js'

node_modules/@popperjs/core/dist/cjs/popper-lite.js.flow

@@ -0,0 +1,3 @@
+// @flow
+
+export * from '../../lib/popper-lite.js'

node_modules/@popperjs/core/dist/cjs/popper.js.flow

@@ -0,0 +1,3 @@
+// @flow
+
+export * from '../../lib/popper.js'

node_modules/@popperjs/core/dist/esm/createPopper.js

@@ -0,0 +1,199 @@
+import getCompositeRect from "./dom-utils/getCompositeRect.js";
+import getLayoutRect from "./dom-utils/getLayoutRect.js";
+import listScrollParents from "./dom-utils/listScrollParents.js";
+import getOffsetParent from "./dom-utils/getOffsetParent.js";
+import orderModifiers from "./utils/orderModifiers.js";
+import debounce from "./utils/debounce.js";
+import mergeByName from "./utils/mergeByName.js";
+import detectOverflow from "./utils/detectOverflow.js";
+import { isElement } from "./dom-utils/instanceOf.js";
+var DEFAULT_OPTIONS = {
+  placement: 'bottom',
+  modifiers: [],
+  strategy: 'absolute'
+};
+
+function areValidElements() {
+  for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+    args[_key] = arguments[_key];
+  }
+
+  return !args.some(function (element) {
+    return !(element && typeof element.getBoundingClientRect === 'function');
+  });
+}
+
+export function popperGenerator(generatorOptions) {
+  if (generatorOptions === void 0) {
+    generatorOptions = {};
+  }
+
+  var _generatorOptions = generatorOptions,
+      _generatorOptions$def = _generatorOptions.defaultModifiers,
+      defaultModifiers = _generatorOptions$def === void 0 ? [] : _generatorOptions$def,
+      _generatorOptions$def2 = _generatorOptions.defaultOptions,
+      defaultOptions = _generatorOptions$def2 === void 0 ? DEFAULT_OPTIONS : _generatorOptions$def2;
+  return function createPopper(reference, popper, options) {
+    if (options === void 0) {
+      options = defaultOptions;
+    }
+
+    var state = {
+      placement: 'bottom',
+      orderedModifiers: [],
+      options: Object.assign({}, DEFAULT_OPTIONS, defaultOptions),
+      modifiersData: {},
+      elements: {
+        reference: reference,
+        popper: popper
+      },
+      attributes: {},
+      styles: {}
+    };
+    var effectCleanupFns = [];
+    var isDestroyed = false;
+    var instance = {
+      state: state,
+      setOptions: function setOptions(setOptionsAction) {
+        var options = typeof setOptionsAction === 'function' ? setOptionsAction(state.options) : setOptionsAction;
+        cleanupModifierEffects();
+        state.options = Object.assign({}, defaultOptions, state.options, options);
+        state.scrollParents = {
+          reference: isElement(reference) ? listScrollParents(reference) : reference.contextElement ? listScrollParents(reference.contextElement) : [],
+          popper: listScrollParents(popper)
+        }; // Orders the modifiers based on their dependencies and `phase`
+        // properties
+
+        var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers
+
+        state.orderedModifiers = orderedModifiers.filter(function (m) {
+          return m.enabled;
+        });
+        runModifierEffects();
+        return instance.update();
+      },
+      // Sync update – it will always be executed, even if not necessary. This
+      // is useful for low frequency updates where sync behavior simplifies the
+      // logic.
+      // For high frequency updates (e.g. `resize` and `scroll` events), always
+      // prefer the async Popper#update method
+      forceUpdate: function forceUpdate() {
+        if (isDestroyed) {
+          return;
+        }
+
+        var _state$elements = state.elements,
+            reference = _state$elements.reference,
+            popper = _state$elements.popper; // Don't proceed if `reference` or `popper` are not valid elements
+        // anymore
+
+        if (!areValidElements(reference, popper)) {
+          return;
+        } // Store the reference and popper rects to be read by modifiers
+
+
+        state.rects = {
+          reference: getCompositeRect(reference, getOffsetParent(popper), state.options.strategy === 'fixed'),
+          popper: getLayoutRect(popper)
+        }; // Modifiers have the ability to reset the current update cycle. The
+        // most common use case for this is the `flip` modifier changing the
+        // placement, which then needs to re-run all the modifiers, because the
+        // logic was previously ran for the previous placement and is therefore
+        // stale/incorrect
+
+        state.reset = false;
+        state.placement = state.options.placement; // On each update cycle, the `modifiersData` property for each modifier
+        // is filled with the initial data specified by the modifier. This means
+        // it doesn't persist and is fresh on each update.
+        // To ensure persistent data, use `${name}#persistent`
+
+        state.orderedModifiers.forEach(function (modifier) {
+          return state.modifiersData[modifier.name] = Object.assign({}, modifier.data);
+        });
+
+        for (var index = 0; index < state.orderedModifiers.length; index++) {
+          if (state.reset === true) {
+            state.reset = false;
+            index = -1;
+            continue;
+          }
+
+          var _state$orderedModifie = state.orderedModifiers[index],
+              fn = _state$orderedModifie.fn,
+              _state$orderedModifie2 = _state$orderedModifie.options,
+              _options = _state$orderedModifie2 === void 0 ? {} : _state$orderedModifie2,
+              name = _state$orderedModifie.name;
+
+          if (typeof fn === 'function') {
+            state = fn({
+              state: state,
+              options: _options,
+              name: name,
+              instance: instance
+            }) || state;
+          }
+        }
+      },
+      // Async and optimistically optimized update – it will not be executed if
+      // not necessary (debounced to run at most once-per-tick)
+      update: debounce(function () {
+        return new Promise(function (resolve) {
+          instance.forceUpdate();
+          resolve(state);
+        });
+      }),
+      destroy: function destroy() {
+        cleanupModifierEffects();
+        isDestroyed = true;
+      }
+    };
+
+    if (!areValidElements(reference, popper)) {
+      return instance;
+    }
+
+    instance.setOptions(options).then(function (state) {
+      if (!isDestroyed && options.onFirstUpdate) {
+        options.onFirstUpdate(state);
+      }
+    }); // Modifiers have the ability to execute arbitrary code before the first
+    // update cycle runs. They will be executed in the same order as the update
+    // cycle. This is useful when a modifier adds some persistent data that
+    // other modifiers need to use, but the modifier is run after the dependent
+    // one.
+
+    function runModifierEffects() {
+      state.orderedModifiers.forEach(function (_ref) {
+        var name = _ref.name,
+            _ref$options = _ref.options,
+            options = _ref$options === void 0 ? {} : _ref$options,
+            effect = _ref.effect;
+
+        if (typeof effect === 'function') {
+          var cleanupFn = effect({
+            state: state,
+            name: name,
+            instance: instance,
+            options: options
+          });
+
+          var noopFn = function noopFn() {};
+
+          effectCleanupFns.push(cleanupFn || noopFn);
+        }
+      });
+    }
+
+    function cleanupModifierEffects() {
+      effectCleanupFns.forEach(function (fn) {
+        return fn();
+      });
+      effectCleanupFns = [];
+    }
+
+    return instance;
+  };
+}
+export var createPopper = /*#__PURE__*/popperGenerator(); // eslint-disable-next-line import/no-unused-modules
+
+export { detectOverflow };

node_modules/@popperjs/core/dist/esm/dom-utils/contains.js

@@ -0,0 +1,23 @@
+import { isShadowRoot } from "./instanceOf.js";
+export default function contains(parent, child) {
+  var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method
+
+  if (parent.contains(child)) {
+    return true;
+  } // then fallback to custom implementation with Shadow DOM support
+  else if (rootNode && isShadowRoot(rootNode)) {
+      var next = child;
+
+      do {
+        if (next && parent.isSameNode(next)) {
+          return true;
+        } // $FlowFixMe[prop-missing]: need a better way to handle this...
+
+
+        next = next.parentNode || next.host;
+      } while (next);
+    } // Give up, the result is false
+
+
+  return false;
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getBoundingClientRect.js

@@ -0,0 +1,41 @@
+import { isElement, isHTMLElement } from "./instanceOf.js";
+import { round } from "../utils/math.js";
+import getWindow from "./getWindow.js";
+import isLayoutViewport from "./isLayoutViewport.js";
+export default function getBoundingClientRect(element, includeScale, isFixedStrategy) {
+  if (includeScale === void 0) {
+    includeScale = false;
+  }
+
+  if (isFixedStrategy === void 0) {
+    isFixedStrategy = false;
+  }
+
+  var clientRect = element.getBoundingClientRect();
+  var scaleX = 1;
+  var scaleY = 1;
+
+  if (includeScale && isHTMLElement(element)) {
+    scaleX = element.offsetWidth > 0 ? round(clientRect.width) / element.offsetWidth || 1 : 1;
+    scaleY = element.offsetHeight > 0 ? round(clientRect.height) / element.offsetHeight || 1 : 1;
+  }
+
+  var _ref = isElement(element) ? getWindow(element) : window,
+      visualViewport = _ref.visualViewport;
+
+  var addVisualOffsets = !isLayoutViewport() && isFixedStrategy;
+  var x = (clientRect.left + (addVisualOffsets && visualViewport ? visualViewport.offsetLeft : 0)) / scaleX;
+  var y = (clientRect.top + (addVisualOffsets && visualViewport ? visualViewport.offsetTop : 0)) / scaleY;
+  var width = clientRect.width / scaleX;
+  var height = clientRect.height / scaleY;
+  return {
+    width: width,
+    height: height,
+    top: y,
+    right: x + width,
+    bottom: y + height,
+    left: x,
+    x: x,
+    y: y
+  };
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getClippingRect.js

@@ -0,0 +1,70 @@
+import { viewport } from "../enums.js";
+import getViewportRect from "./getViewportRect.js";
+import getDocumentRect from "./getDocumentRect.js";
+import listScrollParents from "./listScrollParents.js";
+import getOffsetParent from "./getOffsetParent.js";
+import getDocumentElement from "./getDocumentElement.js";
+import getComputedStyle from "./getComputedStyle.js";
+import { isElement, isHTMLElement } from "./instanceOf.js";
+import getBoundingClientRect from "./getBoundingClientRect.js";
+import getParentNode from "./getParentNode.js";
+import contains from "./contains.js";
+import getNodeName from "./getNodeName.js";
+import rectToClientRect from "../utils/rectToClientRect.js";
+import { max, min } from "../utils/math.js";
+
+function getInnerBoundingClientRect(element, strategy) {
+  var rect = getBoundingClientRect(element, false, strategy === 'fixed');
+  rect.top = rect.top + element.clientTop;
+  rect.left = rect.left + element.clientLeft;
+  rect.bottom = rect.top + element.clientHeight;
+  rect.right = rect.left + element.clientWidth;
+  rect.width = element.clientWidth;
+  rect.height = element.clientHeight;
+  rect.x = rect.left;
+  rect.y = rect.top;
+  return rect;
+}
+
+function getClientRectFromMixedType(element, clippingParent, strategy) {
+  return clippingParent === viewport ? rectToClientRect(getViewportRect(element, strategy)) : isElement(clippingParent) ? getInnerBoundingClientRect(clippingParent, strategy) : rectToClientRect(getDocumentRect(getDocumentElement(element)));
+} // A "clipping parent" is an overflowable container with the characteristic of
+// clipping (or hiding) overflowing elements with a position different from
+// `initial`
+
+
+function getClippingParents(element) {
+  var clippingParents = listScrollParents(getParentNode(element));
+  var canEscapeClipping = ['absolute', 'fixed'].indexOf(getComputedStyle(element).position) >= 0;
+  var clipperElement = canEscapeClipping && isHTMLElement(element) ? getOffsetParent(element) : element;
+
+  if (!isElement(clipperElement)) {
+    return [];
+  } // $FlowFixMe[incompatible-return]: https://github.com/facebook/flow/issues/1414
+
+
+  return clippingParents.filter(function (clippingParent) {
+    return isElement(clippingParent) && contains(clippingParent, clipperElement) && getNodeName(clippingParent) !== 'body';
+  });
+} // Gets the maximum area that the element is visible in due to any number of
+// clipping parents
+
+
+export default function getClippingRect(element, boundary, rootBoundary, strategy) {
+  var mainClippingParents = boundary === 'clippingParents' ? getClippingParents(element) : [].concat(boundary);
+  var clippingParents = [].concat(mainClippingParents, [rootBoundary]);
+  var firstClippingParent = clippingParents[0];
+  var clippingRect = clippingParents.reduce(function (accRect, clippingParent) {
+    var rect = getClientRectFromMixedType(element, clippingParent, strategy);
+    accRect.top = max(rect.top, accRect.top);
+    accRect.right = min(rect.right, accRect.right);
+    accRect.bottom = min(rect.bottom, accRect.bottom);
+    accRect.left = max(rect.left, accRect.left);
+    return accRect;
+  }, getClientRectFromMixedType(element, firstClippingParent, strategy));
+  clippingRect.width = clippingRect.right - clippingRect.left;
+  clippingRect.height = clippingRect.bottom - clippingRect.top;
+  clippingRect.x = clippingRect.left;
+  clippingRect.y = clippingRect.top;
+  return clippingRect;
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getCompositeRect.js

@@ -0,0 +1,58 @@
+import getBoundingClientRect from "./getBoundingClientRect.js";
+import getNodeScroll from "./getNodeScroll.js";
+import getNodeName from "./getNodeName.js";
+import { isHTMLElement } from "./instanceOf.js";
+import getWindowScrollBarX from "./getWindowScrollBarX.js";
+import getDocumentElement from "./getDocumentElement.js";
+import isScrollParent from "./isScrollParent.js";
+import { round } from "../utils/math.js";
+
+function isElementScaled(element) {
+  var rect = element.getBoundingClientRect();
+  var scaleX = round(rect.width) / element.offsetWidth || 1;
+  var scaleY = round(rect.height) / element.offsetHeight || 1;
+  return scaleX !== 1 || scaleY !== 1;
+} // Returns the composite rect of an element relative to its offsetParent.
+// Composite means it takes into account transforms as well as layout.
+
+
+export default function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) {
+  if (isFixed === void 0) {
+    isFixed = false;
+  }
+
+  var isOffsetParentAnElement = isHTMLElement(offsetParent);
+  var offsetParentIsScaled = isHTMLElement(offsetParent) && isElementScaled(offsetParent);
+  var documentElement = getDocumentElement(offsetParent);
+  var rect = getBoundingClientRect(elementOrVirtualElement, offsetParentIsScaled, isFixed);
+  var scroll = {
+    scrollLeft: 0,
+    scrollTop: 0
+  };
+  var offsets = {
+    x: 0,
+    y: 0
+  };
+
+  if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
+    if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078
+    isScrollParent(documentElement)) {
+      scroll = getNodeScroll(offsetParent);
+    }
+
+    if (isHTMLElement(offsetParent)) {
+      offsets = getBoundingClientRect(offsetParent, true);
+      offsets.x += offsetParent.clientLeft;
+      offsets.y += offsetParent.clientTop;
+    } else if (documentElement) {
+      offsets.x = getWindowScrollBarX(documentElement);
+    }
+  }
+
+  return {
+    x: rect.left + scroll.scrollLeft - offsets.x,
+    y: rect.top + scroll.scrollTop - offsets.y,
+    width: rect.width,
+    height: rect.height
+  };
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getComputedStyle.js

@@ -0,0 +1,4 @@
+import getWindow from "./getWindow.js";
+export default function getComputedStyle(element) {
+  return getWindow(element).getComputedStyle(element);
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getDocumentElement.js

@@ -0,0 +1,6 @@
+import { isElement } from "./instanceOf.js";
+export default function getDocumentElement(element) {
+  // $FlowFixMe[incompatible-return]: assume body is always available
+  return ((isElement(element) ? element.ownerDocument : // $FlowFixMe[prop-missing]
+  element.document) || window.document).documentElement;
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getDocumentRect.js

@@ -0,0 +1,29 @@
+import getDocumentElement from "./getDocumentElement.js";
+import getComputedStyle from "./getComputedStyle.js";
+import getWindowScrollBarX from "./getWindowScrollBarX.js";
+import getWindowScroll from "./getWindowScroll.js";
+import { max } from "../utils/math.js"; // Gets the entire size of the scrollable document area, even extending outside
+// of the `<html>` and `<body>` rect bounds if horizontally scrollable
+
+export default function getDocumentRect(element) {
+  var _element$ownerDocumen;
+
+  var html = getDocumentElement(element);
+  var winScroll = getWindowScroll(element);
+  var body = (_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body;
+  var width = max(html.scrollWidth, html.clientWidth, body ? body.scrollWidth : 0, body ? body.clientWidth : 0);
+  var height = max(html.scrollHeight, html.clientHeight, body ? body.scrollHeight : 0, body ? body.clientHeight : 0);
+  var x = -winScroll.scrollLeft + getWindowScrollBarX(element);
+  var y = -winScroll.scrollTop;
+
+  if (getComputedStyle(body || html).direction === 'rtl') {
+    x += max(html.clientWidth, body ? body.clientWidth : 0) - width;
+  }
+
+  return {
+    width: width,
+    height: height,
+    x: x,
+    y: y
+  };
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getHTMLElementScroll.js

@@ -0,0 +1,6 @@
+export default function getHTMLElementScroll(element) {
+  return {
+    scrollLeft: element.scrollLeft,
+    scrollTop: element.scrollTop
+  };
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getLayoutRect.js

@@ -0,0 +1,25 @@
+import getBoundingClientRect from "./getBoundingClientRect.js"; // Returns the layout rect of an element relative to its offsetParent. Layout
+// means it doesn't take into account transforms.
+
+export default function getLayoutRect(element) {
+  var clientRect = getBoundingClientRect(element); // Use the clientRect sizes if it's not been transformed.
+  // Fixes https://github.com/popperjs/popper-core/issues/1223
+
+  var width = element.offsetWidth;
+  var height = element.offsetHeight;
+
+  if (Math.abs(clientRect.width - width) <= 1) {
+    width = clientRect.width;
+  }
+
+  if (Math.abs(clientRect.height - height) <= 1) {
+    height = clientRect.height;
+  }
+
+  return {
+    x: element.offsetLeft,
+    y: element.offsetTop,
+    width: width,
+    height: height
+  };
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getNodeName.js

@@ -0,0 +1,3 @@
+export default function getNodeName(element) {
+  return element ? (element.nodeName || '').toLowerCase() : null;
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getNodeScroll.js

@@ -0,0 +1,11 @@
+import getWindowScroll from "./getWindowScroll.js";
+import getWindow from "./getWindow.js";
+import { isHTMLElement } from "./instanceOf.js";
+import getHTMLElementScroll from "./getHTMLElementScroll.js";
+export default function getNodeScroll(node) {
+  if (node === getWindow(node) || !isHTMLElement(node)) {
+    return getWindowScroll(node);
+  } else {
+    return getHTMLElementScroll(node);
+  }
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getOffsetParent.js

@@ -0,0 +1,69 @@
+import getWindow from "./getWindow.js";
+import getNodeName from "./getNodeName.js";
+import getComputedStyle from "./getComputedStyle.js";
+import { isHTMLElement, isShadowRoot } from "./instanceOf.js";
+import isTableElement from "./isTableElement.js";
+import getParentNode from "./getParentNode.js";
+import getUAString from "../utils/userAgent.js";
+
+function getTrueOffsetParent(element) {
+  if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837
+  getComputedStyle(element).position === 'fixed') {
+    return null;
+  }
+
+  return element.offsetParent;
+} // `.offsetParent` reports `null` for fixed elements, while absolute elements
+// return the containing block
+
+
+function getContainingBlock(element) {
+  var isFirefox = /firefox/i.test(getUAString());
+  var isIE = /Trident/i.test(getUAString());
+
+  if (isIE && isHTMLElement(element)) {
+    // In IE 9, 10 and 11 fixed elements containing block is always established by the viewport
+    var elementCss = getComputedStyle(element);
+
+    if (elementCss.position === 'fixed') {
+      return null;
+    }
+  }
+
+  var currentNode = getParentNode(element);
+
+  if (isShadowRoot(currentNode)) {
+    currentNode = currentNode.host;
+  }
+
+  while (isHTMLElement(currentNode) && ['html', 'body'].indexOf(getNodeName(currentNode)) < 0) {
+    var css = getComputedStyle(currentNode); // This is non-exhaustive but covers the most common CSS properties that
+    // create a containing block.
+    // https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block
+
+    if (css.transform !== 'none' || css.perspective !== 'none' || css.contain === 'paint' || ['transform', 'perspective'].indexOf(css.willChange) !== -1 || isFirefox && css.willChange === 'filter' || isFirefox && css.filter && css.filter !== 'none') {
+      return currentNode;
+    } else {
+      currentNode = currentNode.parentNode;
+    }
+  }
+
+  return null;
+} // Gets the closest ancestor positioned element. Handles some edge cases,
+// such as table ancestors and cross browser bugs.
+
+
+export default function getOffsetParent(element) {
+  var window = getWindow(element);
+  var offsetParent = getTrueOffsetParent(element);
+
+  while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === 'static') {
+    offsetParent = getTrueOffsetParent(offsetParent);
+  }
+
+  if (offsetParent && (getNodeName(offsetParent) === 'html' || getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static')) {
+    return window;
+  }
+
+  return offsetParent || getContainingBlock(element) || window;
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getParentNode.js

@@ -0,0 +1,19 @@
+import getNodeName from "./getNodeName.js";
+import getDocumentElement from "./getDocumentElement.js";
+import { isShadowRoot } from "./instanceOf.js";
+export default function getParentNode(element) {
+  if (getNodeName(element) === 'html') {
+    return element;
+  }
+
+  return (// this is a quicker (but less type safe) way to save quite some bytes from the bundle
+    // $FlowFixMe[incompatible-return]
+    // $FlowFixMe[prop-missing]
+    element.assignedSlot || // step into the shadow DOM of the parent of a slotted node
+    element.parentNode || ( // DOM Element detected
+    isShadowRoot(element) ? element.host : null) || // ShadowRoot detected
+    // $FlowFixMe[incompatible-call]: HTMLElement is a Node
+    getDocumentElement(element) // fallback
+
+  );
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getScrollParent.js

@@ -0,0 +1,16 @@
+import getParentNode from "./getParentNode.js";
+import isScrollParent from "./isScrollParent.js";
+import getNodeName from "./getNodeName.js";
+import { isHTMLElement } from "./instanceOf.js";
+export default function getScrollParent(node) {
+  if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) {
+    // $FlowFixMe[incompatible-return]: assume body is always available
+    return node.ownerDocument.body;
+  }
+
+  if (isHTMLElement(node) && isScrollParent(node)) {
+    return node;
+  }
+
+  return getScrollParent(getParentNode(node));
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getViewportRect.js

@@ -0,0 +1,31 @@
+import getWindow from "./getWindow.js";
+import getDocumentElement from "./getDocumentElement.js";
+import getWindowScrollBarX from "./getWindowScrollBarX.js";
+import isLayoutViewport from "./isLayoutViewport.js";
+export default function getViewportRect(element, strategy) {
+  var win = getWindow(element);
+  var html = getDocumentElement(element);
+  var visualViewport = win.visualViewport;
+  var width = html.clientWidth;
+  var height = html.clientHeight;
+  var x = 0;
+  var y = 0;
+
+  if (visualViewport) {
+    width = visualViewport.width;
+    height = visualViewport.height;
+    var layoutViewport = isLayoutViewport();
+
+    if (layoutViewport || !layoutViewport && strategy === 'fixed') {
+      x = visualViewport.offsetLeft;
+      y = visualViewport.offsetTop;
+    }
+  }
+
+  return {
+    width: width,
+    height: height,
+    x: x + getWindowScrollBarX(element),
+    y: y
+  };
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getWindow.js

@@ -0,0 +1,12 @@
+export default function getWindow(node) {
+  if (node == null) {
+    return window;
+  }
+
+  if (node.toString() !== '[object Window]') {
+    var ownerDocument = node.ownerDocument;
+    return ownerDocument ? ownerDocument.defaultView || window : window;
+  }
+
+  return node;
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getWindowScroll.js

@@ -0,0 +1,10 @@
+import getWindow from "./getWindow.js";
+export default function getWindowScroll(node) {
+  var win = getWindow(node);
+  var scrollLeft = win.pageXOffset;
+  var scrollTop = win.pageYOffset;
+  return {
+    scrollLeft: scrollLeft,
+    scrollTop: scrollTop
+  };
+}

node_modules/@popperjs/core/dist/esm/dom-utils/getWindowScrollBarX.js

@@ -0,0 +1,13 @@
+import getBoundingClientRect from "./getBoundingClientRect.js";
+import getDocumentElement from "./getDocumentElement.js";
+import getWindowScroll from "./getWindowScroll.js";
+export default function getWindowScrollBarX(element) {
+  // If <html> has a CSS width greater than the viewport, then this will be
+  // incorrect for RTL.
+  // Popper 1 is broken in this case and never had a bug report so let's assume
+  // it's not an issue. I don't think anyone ever specifies width on <html>
+  // anyway.
+  // Browsers where the left scrollbar doesn't cause an issue report `0` for
+  // this (e.g. Edge 2019, IE11, Safari)
+  return getBoundingClientRect(getDocumentElement(element)).left + getWindowScroll(element).scrollLeft;
+}

node_modules/@popperjs/core/dist/esm/dom-utils/instanceOf.js

@@ -0,0 +1,23 @@
+import getWindow from "./getWindow.js";
+
+function isElement(node) {
+  var OwnElement = getWindow(node).Element;
+  return node instanceof OwnElement || node instanceof Element;
+}
+
+function isHTMLElement(node) {
+  var OwnElement = getWindow(node).HTMLElement;
+  return node instanceof OwnElement || node instanceof HTMLElement;
+}
+
+function isShadowRoot(node) {
+  // IE 11 has no ShadowRoot
+  if (typeof ShadowRoot === 'undefined') {
+    return false;
+  }
+
+  var OwnElement = getWindow(node).ShadowRoot;
+  return node instanceof OwnElement || node instanceof ShadowRoot;
+}
+
+export { isElement, isHTMLElement, isShadowRoot };

node_modules/@popperjs/core/dist/esm/dom-utils/isLayoutViewport.js

@@ -0,0 +1,4 @@
+import getUAString from "../utils/userAgent.js";
+export default function isLayoutViewport() {
+  return !/^((?!chrome|android).)*safari/i.test(getUAString());
+}

node_modules/@popperjs/core/dist/esm/dom-utils/isScrollParent.js

@@ -0,0 +1,10 @@
+import getComputedStyle from "./getComputedStyle.js";
+export default function isScrollParent(element) {
+  // Firefox wants us to check `-x` and `-y` variations as well
+  var _getComputedStyle = getComputedStyle(element),
+      overflow = _getComputedStyle.overflow,
+      overflowX = _getComputedStyle.overflowX,
+      overflowY = _getComputedStyle.overflowY;
+
+  return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX);
+}

node_modules/@popperjs/core/dist/esm/dom-utils/isTableElement.js

@@ -0,0 +1,4 @@
+import getNodeName from "./getNodeName.js";
+export default function isTableElement(element) {
+  return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0;
+}

node_modules/@popperjs/core/dist/esm/dom-utils/listScrollParents.js

@@ -0,0 +1,26 @@
+import getScrollParent from "./getScrollParent.js";
+import getParentNode from "./getParentNode.js";
+import getWindow from "./getWindow.js";
+import isScrollParent from "./isScrollParent.js";
+/*
+given a DOM element, return the list of all scroll parents, up the list of ancesors
+until we get to the top window object. This list is what we attach scroll listeners
+to, because if any of these parent elements scroll, we'll need to re-calculate the
+reference element's position.
+*/
+
+export default function listScrollParents(element, list) {
+  var _element$ownerDocumen;
+
+  if (list === void 0) {
+    list = [];
+  }
+
+  var scrollParent = getScrollParent(element);
+  var isBody = scrollParent === ((_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body);
+  var win = getWindow(scrollParent);
+  var target = isBody ? [win].concat(win.visualViewport || [], isScrollParent(scrollParent) ? scrollParent : []) : scrollParent;
+  var updatedList = list.concat(target);
+  return isBody ? updatedList : // $FlowFixMe[incompatible-call]: isBody tells us target will be an HTMLElement here
+  updatedList.concat(listScrollParents(getParentNode(target)));
+}

node_modules/@popperjs/core/dist/esm/enums.js

@@ -0,0 +1,31 @@
+export var top = 'top';
+export var bottom = 'bottom';
+export var right = 'right';
+export var left = 'left';
+export var auto = 'auto';
+export var basePlacements = [top, bottom, right, left];
+export var start = 'start';
+export var end = 'end';
+export var clippingParents = 'clippingParents';
+export var viewport = 'viewport';
+export var popper = 'popper';
+export var reference = 'reference';
+export var variationPlacements = /*#__PURE__*/basePlacements.reduce(function (acc, placement) {
+  return acc.concat([placement + "-" + start, placement + "-" + end]);
+}, []);
+export var placements = /*#__PURE__*/[].concat(basePlacements, [auto]).reduce(function (acc, placement) {
+  return acc.concat([placement, placement + "-" + start, placement + "-" + end]);
+}, []); // modifiers that need to read the DOM
+
+export var beforeRead = 'beforeRead';
+export var read = 'read';
+export var afterRead = 'afterRead'; // pure-logic modifiers
+
+export var beforeMain = 'beforeMain';
+export var main = 'main';
+export var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state)
+
+export var beforeWrite = 'beforeWrite';
+export var write = 'write';
+export var afterWrite = 'afterWrite';
+export var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite];

node_modules/@popperjs/core/dist/esm/index.js

@@ -0,0 +1,8 @@
+export * from "./enums.js";
+export * from "./modifiers/index.js"; // eslint-disable-next-line import/no-unused-modules
+
+export { popperGenerator, detectOverflow, createPopper as createPopperBase } from "./createPopper.js"; // eslint-disable-next-line import/no-unused-modules
+
+export { createPopper } from "./popper.js"; // eslint-disable-next-line import/no-unused-modules
+
+export { createPopper as createPopperLite } from "./popper-lite.js";

node_modules/@popperjs/core/dist/esm/modifiers/applyStyles.js

@@ -0,0 +1,84 @@
+import getNodeName from "../dom-utils/getNodeName.js";
+import { isHTMLElement } from "../dom-utils/instanceOf.js"; // This modifier takes the styles prepared by the `computeStyles` modifier
+// and applies them to the HTMLElements such as popper and arrow
+
+function applyStyles(_ref) {
+  var state = _ref.state;
+  Object.keys(state.elements).forEach(function (name) {
+    var style = state.styles[name] || {};
+    var attributes = state.attributes[name] || {};
+    var element = state.elements[name]; // arrow is optional + virtual elements
+
+    if (!isHTMLElement(element) || !getNodeName(element)) {
+      return;
+    } // Flow doesn't support to extend this property, but it's the most
+    // effective way to apply styles to an HTMLElement
+    // $FlowFixMe[cannot-write]
+
+
+    Object.assign(element.style, style);
+    Object.keys(attributes).forEach(function (name) {
+      var value = attributes[name];
+
+      if (value === false) {
+        element.removeAttribute(name);
+      } else {
+        element.setAttribute(name, value === true ? '' : value);
+      }
+    });
+  });
+}
+
+function effect(_ref2) {
+  var state = _ref2.state;
+  var initialStyles = {
+    popper: {
+      position: state.options.strategy,
+      left: '0',
+      top: '0',
+      margin: '0'
+    },
+    arrow: {
+      position: 'absolute'
+    },
+    reference: {}
+  };
+  Object.assign(state.elements.popper.style, initialStyles.popper);
+  state.styles = initialStyles;
+
+  if (state.elements.arrow) {
+    Object.assign(state.elements.arrow.style, initialStyles.arrow);
+  }
+
+  return function () {
+    Object.keys(state.elements).forEach(function (name) {
+      var element = state.elements[name];
+      var attributes = state.attributes[name] || {};
+      var styleProperties = Object.keys(state.styles.hasOwnProperty(name) ? state.styles[name] : initialStyles[name]); // Set all values to an empty string to unset them
+
+      var style = styleProperties.reduce(function (style, property) {
+        style[property] = '';
+        return style;
+      }, {}); // arrow is optional + virtual elements
+
+      if (!isHTMLElement(element) || !getNodeName(element)) {
+        return;
+      }
+
+      Object.assign(element.style, style);
+      Object.keys(attributes).forEach(function (attribute) {
+        element.removeAttribute(attribute);
+      });
+    });
+  };
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'applyStyles',
+  enabled: true,
+  phase: 'write',
+  fn: applyStyles,
+  effect: effect,
+  requires: ['computeStyles']
+};

node_modules/@popperjs/core/dist/esm/modifiers/arrow.js

@@ -0,0 +1,90 @@
+import getBasePlacement from "../utils/getBasePlacement.js";
+import getLayoutRect from "../dom-utils/getLayoutRect.js";
+import contains from "../dom-utils/contains.js";
+import getOffsetParent from "../dom-utils/getOffsetParent.js";
+import getMainAxisFromPlacement from "../utils/getMainAxisFromPlacement.js";
+import { within } from "../utils/within.js";
+import mergePaddingObject from "../utils/mergePaddingObject.js";
+import expandToHashMap from "../utils/expandToHashMap.js";
+import { left, right, basePlacements, top, bottom } from "../enums.js"; // eslint-disable-next-line import/no-unused-modules
+
+var toPaddingObject = function toPaddingObject(padding, state) {
+  padding = typeof padding === 'function' ? padding(Object.assign({}, state.rects, {
+    placement: state.placement
+  })) : padding;
+  return mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));
+};
+
+function arrow(_ref) {
+  var _state$modifiersData$;
+
+  var state = _ref.state,
+      name = _ref.name,
+      options = _ref.options;
+  var arrowElement = state.elements.arrow;
+  var popperOffsets = state.modifiersData.popperOffsets;
+  var basePlacement = getBasePlacement(state.placement);
+  var axis = getMainAxisFromPlacement(basePlacement);
+  var isVertical = [left, right].indexOf(basePlacement) >= 0;
+  var len = isVertical ? 'height' : 'width';
+
+  if (!arrowElement || !popperOffsets) {
+    return;
+  }
+
+  var paddingObject = toPaddingObject(options.padding, state);
+  var arrowRect = getLayoutRect(arrowElement);
+  var minProp = axis === 'y' ? top : left;
+  var maxProp = axis === 'y' ? bottom : right;
+  var endDiff = state.rects.reference[len] + state.rects.reference[axis] - popperOffsets[axis] - state.rects.popper[len];
+  var startDiff = popperOffsets[axis] - state.rects.reference[axis];
+  var arrowOffsetParent = getOffsetParent(arrowElement);
+  var clientSize = arrowOffsetParent ? axis === 'y' ? arrowOffsetParent.clientHeight || 0 : arrowOffsetParent.clientWidth || 0 : 0;
+  var centerToReference = endDiff / 2 - startDiff / 2; // Make sure the arrow doesn't overflow the popper if the center point is
+  // outside of the popper bounds
+
+  var min = paddingObject[minProp];
+  var max = clientSize - arrowRect[len] - paddingObject[maxProp];
+  var center = clientSize / 2 - arrowRect[len] / 2 + centerToReference;
+  var offset = within(min, center, max); // Prevents breaking syntax highlighting...
+
+  var axisProp = axis;
+  state.modifiersData[name] = (_state$modifiersData$ = {}, _state$modifiersData$[axisProp] = offset, _state$modifiersData$.centerOffset = offset - center, _state$modifiersData$);
+}
+
+function effect(_ref2) {
+  var state = _ref2.state,
+      options = _ref2.options;
+  var _options$element = options.element,
+      arrowElement = _options$element === void 0 ? '[data-popper-arrow]' : _options$element;
+
+  if (arrowElement == null) {
+    return;
+  } // CSS selector
+
+
+  if (typeof arrowElement === 'string') {
+    arrowElement = state.elements.popper.querySelector(arrowElement);
+
+    if (!arrowElement) {
+      return;
+    }
+  }
+
+  if (!contains(state.elements.popper, arrowElement)) {
+    return;
+  }
+
+  state.elements.arrow = arrowElement;
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'arrow',
+  enabled: true,
+  phase: 'main',
+  fn: arrow,
+  effect: effect,
+  requires: ['popperOffsets'],
+  requiresIfExists: ['preventOverflow']
+};

node_modules/@popperjs/core/dist/esm/modifiers/computeStyles.js

@@ -0,0 +1,169 @@
+import { top, left, right, bottom, end } from "../enums.js";
+import getOffsetParent from "../dom-utils/getOffsetParent.js";
+import getWindow from "../dom-utils/getWindow.js";
+import getDocumentElement from "../dom-utils/getDocumentElement.js";
+import getComputedStyle from "../dom-utils/getComputedStyle.js";
+import getBasePlacement from "../utils/getBasePlacement.js";
+import getVariation from "../utils/getVariation.js";
+import { round } from "../utils/math.js"; // eslint-disable-next-line import/no-unused-modules
+
+var unsetSides = {
+  top: 'auto',
+  right: 'auto',
+  bottom: 'auto',
+  left: 'auto'
+}; // Round the offsets to the nearest suitable subpixel based on the DPR.
+// Zooming can change the DPR, but it seems to report a value that will
+// cleanly divide the values into the appropriate subpixels.
+
+function roundOffsetsByDPR(_ref, win) {
+  var x = _ref.x,
+      y = _ref.y;
+  var dpr = win.devicePixelRatio || 1;
+  return {
+    x: round(x * dpr) / dpr || 0,
+    y: round(y * dpr) / dpr || 0
+  };
+}
+
+export function mapToStyles(_ref2) {
+  var _Object$assign2;
+
+  var popper = _ref2.popper,
+      popperRect = _ref2.popperRect,
+      placement = _ref2.placement,
+      variation = _ref2.variation,
+      offsets = _ref2.offsets,
+      position = _ref2.position,
+      gpuAcceleration = _ref2.gpuAcceleration,
+      adaptive = _ref2.adaptive,
+      roundOffsets = _ref2.roundOffsets,
+      isFixed = _ref2.isFixed;
+  var _offsets$x = offsets.x,
+      x = _offsets$x === void 0 ? 0 : _offsets$x,
+      _offsets$y = offsets.y,
+      y = _offsets$y === void 0 ? 0 : _offsets$y;
+
+  var _ref3 = typeof roundOffsets === 'function' ? roundOffsets({
+    x: x,
+    y: y
+  }) : {
+    x: x,
+    y: y
+  };
+
+  x = _ref3.x;
+  y = _ref3.y;
+  var hasX = offsets.hasOwnProperty('x');
+  var hasY = offsets.hasOwnProperty('y');
+  var sideX = left;
+  var sideY = top;
+  var win = window;
+
+  if (adaptive) {
+    var offsetParent = getOffsetParent(popper);
+    var heightProp = 'clientHeight';
+    var widthProp = 'clientWidth';
+
+    if (offsetParent === getWindow(popper)) {
+      offsetParent = getDocumentElement(popper);
+
+      if (getComputedStyle(offsetParent).position !== 'static' && position === 'absolute') {
+        heightProp = 'scrollHeight';
+        widthProp = 'scrollWidth';
+      }
+    } // $FlowFixMe[incompatible-cast]: force type refinement, we compare offsetParent with window above, but Flow doesn't detect it
+
+
+    offsetParent = offsetParent;
+
+    if (placement === top || (placement === left || placement === right) && variation === end) {
+      sideY = bottom;
+      var offsetY = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.height : // $FlowFixMe[prop-missing]
+      offsetParent[heightProp];
+      y -= offsetY - popperRect.height;
+      y *= gpuAcceleration ? 1 : -1;
+    }
+
+    if (placement === left || (placement === top || placement === bottom) && variation === end) {
+      sideX = right;
+      var offsetX = isFixed && offsetParent === win && win.visualViewport ? win.visualViewport.width : // $FlowFixMe[prop-missing]
+      offsetParent[widthProp];
+      x -= offsetX - popperRect.width;
+      x *= gpuAcceleration ? 1 : -1;
+    }
+  }
+
+  var commonStyles = Object.assign({
+    position: position
+  }, adaptive && unsetSides);
+
+  var _ref4 = roundOffsets === true ? roundOffsetsByDPR({
+    x: x,
+    y: y
+  }, getWindow(popper)) : {
+    x: x,
+    y: y
+  };
+
+  x = _ref4.x;
+  y = _ref4.y;
+
+  if (gpuAcceleration) {
+    var _Object$assign;
+
+    return Object.assign({}, commonStyles, (_Object$assign = {}, _Object$assign[sideY] = hasY ? '0' : '', _Object$assign[sideX] = hasX ? '0' : '', _Object$assign.transform = (win.devicePixelRatio || 1) <= 1 ? "translate(" + x + "px, " + y + "px)" : "translate3d(" + x + "px, " + y + "px, 0)", _Object$assign));
+  }
+
+  return Object.assign({}, commonStyles, (_Object$assign2 = {}, _Object$assign2[sideY] = hasY ? y + "px" : '', _Object$assign2[sideX] = hasX ? x + "px" : '', _Object$assign2.transform = '', _Object$assign2));
+}
+
+function computeStyles(_ref5) {
+  var state = _ref5.state,
+      options = _ref5.options;
+  var _options$gpuAccelerat = options.gpuAcceleration,
+      gpuAcceleration = _options$gpuAccelerat === void 0 ? true : _options$gpuAccelerat,
+      _options$adaptive = options.adaptive,
+      adaptive = _options$adaptive === void 0 ? true : _options$adaptive,
+      _options$roundOffsets = options.roundOffsets,
+      roundOffsets = _options$roundOffsets === void 0 ? true : _options$roundOffsets;
+  var commonStyles = {
+    placement: getBasePlacement(state.placement),
+    variation: getVariation(state.placement),
+    popper: state.elements.popper,
+    popperRect: state.rects.popper,
+    gpuAcceleration: gpuAcceleration,
+    isFixed: state.options.strategy === 'fixed'
+  };
+
+  if (state.modifiersData.popperOffsets != null) {
+    state.styles.popper = Object.assign({}, state.styles.popper, mapToStyles(Object.assign({}, commonStyles, {
+      offsets: state.modifiersData.popperOffsets,
+      position: state.options.strategy,
+      adaptive: adaptive,
+      roundOffsets: roundOffsets
+    })));
+  }
+
+  if (state.modifiersData.arrow != null) {
+    state.styles.arrow = Object.assign({}, state.styles.arrow, mapToStyles(Object.assign({}, commonStyles, {
+      offsets: state.modifiersData.arrow,
+      position: 'absolute',
+      adaptive: false,
+      roundOffsets: roundOffsets
+    })));
+  }
+
+  state.attributes.popper = Object.assign({}, state.attributes.popper, {
+    'data-popper-placement': state.placement
+  });
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'computeStyles',
+  enabled: true,
+  phase: 'beforeWrite',
+  fn: computeStyles,
+  data: {}
+};

node_modules/@popperjs/core/dist/esm/modifiers/eventListeners.js

@@ -0,0 +1,49 @@
+import getWindow from "../dom-utils/getWindow.js"; // eslint-disable-next-line import/no-unused-modules
+
+var passive = {
+  passive: true
+};
+
+function effect(_ref) {
+  var state = _ref.state,
+      instance = _ref.instance,
+      options = _ref.options;
+  var _options$scroll = options.scroll,
+      scroll = _options$scroll === void 0 ? true : _options$scroll,
+      _options$resize = options.resize,
+      resize = _options$resize === void 0 ? true : _options$resize;
+  var window = getWindow(state.elements.popper);
+  var scrollParents = [].concat(state.scrollParents.reference, state.scrollParents.popper);
+
+  if (scroll) {
+    scrollParents.forEach(function (scrollParent) {
+      scrollParent.addEventListener('scroll', instance.update, passive);
+    });
+  }
+
+  if (resize) {
+    window.addEventListener('resize', instance.update, passive);
+  }
+
+  return function () {
+    if (scroll) {
+      scrollParents.forEach(function (scrollParent) {
+        scrollParent.removeEventListener('scroll', instance.update, passive);
+      });
+    }
+
+    if (resize) {
+      window.removeEventListener('resize', instance.update, passive);
+    }
+  };
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'eventListeners',
+  enabled: true,
+  phase: 'write',
+  fn: function fn() {},
+  effect: effect,
+  data: {}
+};

node_modules/@popperjs/core/dist/esm/modifiers/flip.js

@@ -0,0 +1,147 @@
+import getOppositePlacement from "../utils/getOppositePlacement.js";
+import getBasePlacement from "../utils/getBasePlacement.js";
+import getOppositeVariationPlacement from "../utils/getOppositeVariationPlacement.js";
+import detectOverflow from "../utils/detectOverflow.js";
+import computeAutoPlacement from "../utils/computeAutoPlacement.js";
+import { bottom, top, start, right, left, auto } from "../enums.js";
+import getVariation from "../utils/getVariation.js"; // eslint-disable-next-line import/no-unused-modules
+
+function getExpandedFallbackPlacements(placement) {
+  if (getBasePlacement(placement) === auto) {
+    return [];
+  }
+
+  var oppositePlacement = getOppositePlacement(placement);
+  return [getOppositeVariationPlacement(placement), oppositePlacement, getOppositeVariationPlacement(oppositePlacement)];
+}
+
+function flip(_ref) {
+  var state = _ref.state,
+      options = _ref.options,
+      name = _ref.name;
+
+  if (state.modifiersData[name]._skip) {
+    return;
+  }
+
+  var _options$mainAxis = options.mainAxis,
+      checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis,
+      _options$altAxis = options.altAxis,
+      checkAltAxis = _options$altAxis === void 0 ? true : _options$altAxis,
+      specifiedFallbackPlacements = options.fallbackPlacements,
+      padding = options.padding,
+      boundary = options.boundary,
+      rootBoundary = options.rootBoundary,
+      altBoundary = options.altBoundary,
+      _options$flipVariatio = options.flipVariations,
+      flipVariations = _options$flipVariatio === void 0 ? true : _options$flipVariatio,
+      allowedAutoPlacements = options.allowedAutoPlacements;
+  var preferredPlacement = state.options.placement;
+  var basePlacement = getBasePlacement(preferredPlacement);
+  var isBasePlacement = basePlacement === preferredPlacement;
+  var fallbackPlacements = specifiedFallbackPlacements || (isBasePlacement || !flipVariations ? [getOppositePlacement(preferredPlacement)] : getExpandedFallbackPlacements(preferredPlacement));
+  var placements = [preferredPlacement].concat(fallbackPlacements).reduce(function (acc, placement) {
+    return acc.concat(getBasePlacement(placement) === auto ? computeAutoPlacement(state, {
+      placement: placement,
+      boundary: boundary,
+      rootBoundary: rootBoundary,
+      padding: padding,
+      flipVariations: flipVariations,
+      allowedAutoPlacements: allowedAutoPlacements
+    }) : placement);
+  }, []);
+  var referenceRect = state.rects.reference;
+  var popperRect = state.rects.popper;
+  var checksMap = new Map();
+  var makeFallbackChecks = true;
+  var firstFittingPlacement = placements[0];
+
+  for (var i = 0; i < placements.length; i++) {
+    var placement = placements[i];
+
+    var _basePlacement = getBasePlacement(placement);
+
+    var isStartVariation = getVariation(placement) === start;
+    var isVertical = [top, bottom].indexOf(_basePlacement) >= 0;
+    var len = isVertical ? 'width' : 'height';
+    var overflow = detectOverflow(state, {
+      placement: placement,
+      boundary: boundary,
+      rootBoundary: rootBoundary,
+      altBoundary: altBoundary,
+      padding: padding
+    });
+    var mainVariationSide = isVertical ? isStartVariation ? right : left : isStartVariation ? bottom : top;
+
+    if (referenceRect[len] > popperRect[len]) {
+      mainVariationSide = getOppositePlacement(mainVariationSide);
+    }
+
+    var altVariationSide = getOppositePlacement(mainVariationSide);
+    var checks = [];
+
+    if (checkMainAxis) {
+      checks.push(overflow[_basePlacement] <= 0);
+    }
+
+    if (checkAltAxis) {
+      checks.push(overflow[mainVariationSide] <= 0, overflow[altVariationSide] <= 0);
+    }
+
+    if (checks.every(function (check) {
+      return check;
+    })) {
+      firstFittingPlacement = placement;
+      makeFallbackChecks = false;
+      break;
+    }
+
+    checksMap.set(placement, checks);
+  }
+
+  if (makeFallbackChecks) {
+    // `2` may be desired in some cases – research later
+    var numberOfChecks = flipVariations ? 3 : 1;
+
+    var _loop = function _loop(_i) {
+      var fittingPlacement = placements.find(function (placement) {
+        var checks = checksMap.get(placement);
+
+        if (checks) {
+          return checks.slice(0, _i).every(function (check) {
+            return check;
+          });
+        }
+      });
+
+      if (fittingPlacement) {
+        firstFittingPlacement = fittingPlacement;
+        return "break";
+      }
+    };
+
+    for (var _i = numberOfChecks; _i > 0; _i--) {
+      var _ret = _loop(_i);
+
+      if (_ret === "break") break;
+    }
+  }
+
+  if (state.placement !== firstFittingPlacement) {
+    state.modifiersData[name]._skip = true;
+    state.placement = firstFittingPlacement;
+    state.reset = true;
+  }
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'flip',
+  enabled: true,
+  phase: 'main',
+  fn: flip,
+  requiresIfExists: ['offset'],
+  data: {
+    _skip: false
+  }
+};

node_modules/@popperjs/core/dist/esm/modifiers/hide.js

@@ -0,0 +1,61 @@
+import { top, bottom, left, right } from "../enums.js";
+import detectOverflow from "../utils/detectOverflow.js";
+
+function getSideOffsets(overflow, rect, preventedOffsets) {
+  if (preventedOffsets === void 0) {
+    preventedOffsets = {
+      x: 0,
+      y: 0
+    };
+  }
+
+  return {
+    top: overflow.top - rect.height - preventedOffsets.y,
+    right: overflow.right - rect.width + preventedOffsets.x,
+    bottom: overflow.bottom - rect.height + preventedOffsets.y,
+    left: overflow.left - rect.width - preventedOffsets.x
+  };
+}
+
+function isAnySideFullyClipped(overflow) {
+  return [top, right, bottom, left].some(function (side) {
+    return overflow[side] >= 0;
+  });
+}
+
+function hide(_ref) {
+  var state = _ref.state,
+      name = _ref.name;
+  var referenceRect = state.rects.reference;
+  var popperRect = state.rects.popper;
+  var preventedOffsets = state.modifiersData.preventOverflow;
+  var referenceOverflow = detectOverflow(state, {
+    elementContext: 'reference'
+  });
+  var popperAltOverflow = detectOverflow(state, {
+    altBoundary: true
+  });
+  var referenceClippingOffsets = getSideOffsets(referenceOverflow, referenceRect);
+  var popperEscapeOffsets = getSideOffsets(popperAltOverflow, popperRect, preventedOffsets);
+  var isReferenceHidden = isAnySideFullyClipped(referenceClippingOffsets);
+  var hasPopperEscaped = isAnySideFullyClipped(popperEscapeOffsets);
+  state.modifiersData[name] = {
+    referenceClippingOffsets: referenceClippingOffsets,
+    popperEscapeOffsets: popperEscapeOffsets,
+    isReferenceHidden: isReferenceHidden,
+    hasPopperEscaped: hasPopperEscaped
+  };
+  state.attributes.popper = Object.assign({}, state.attributes.popper, {
+    'data-popper-reference-hidden': isReferenceHidden,
+    'data-popper-escaped': hasPopperEscaped
+  });
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'hide',
+  enabled: true,
+  phase: 'main',
+  requiresIfExists: ['preventOverflow'],
+  fn: hide
+};

node_modules/@popperjs/core/dist/esm/modifiers/index.js

@@ -0,0 +1,9 @@
+export { default as applyStyles } from "./applyStyles.js";
+export { default as arrow } from "./arrow.js";
+export { default as computeStyles } from "./computeStyles.js";
+export { default as eventListeners } from "./eventListeners.js";
+export { default as flip } from "./flip.js";
+export { default as hide } from "./hide.js";
+export { default as offset } from "./offset.js";
+export { default as popperOffsets } from "./popperOffsets.js";
+export { default as preventOverflow } from "./preventOverflow.js";

node_modules/@popperjs/core/dist/esm/modifiers/offset.js

@@ -0,0 +1,54 @@
+import getBasePlacement from "../utils/getBasePlacement.js";
+import { top, left, right, placements } from "../enums.js"; // eslint-disable-next-line import/no-unused-modules
+
+export function distanceAndSkiddingToXY(placement, rects, offset) {
+  var basePlacement = getBasePlacement(placement);
+  var invertDistance = [left, top].indexOf(basePlacement) >= 0 ? -1 : 1;
+
+  var _ref = typeof offset === 'function' ? offset(Object.assign({}, rects, {
+    placement: placement
+  })) : offset,
+      skidding = _ref[0],
+      distance = _ref[1];
+
+  skidding = skidding || 0;
+  distance = (distance || 0) * invertDistance;
+  return [left, right].indexOf(basePlacement) >= 0 ? {
+    x: distance,
+    y: skidding
+  } : {
+    x: skidding,
+    y: distance
+  };
+}
+
+function offset(_ref2) {
+  var state = _ref2.state,
+      options = _ref2.options,
+      name = _ref2.name;
+  var _options$offset = options.offset,
+      offset = _options$offset === void 0 ? [0, 0] : _options$offset;
+  var data = placements.reduce(function (acc, placement) {
+    acc[placement] = distanceAndSkiddingToXY(placement, state.rects, offset);
+    return acc;
+  }, {});
+  var _data$state$placement = data[state.placement],
+      x = _data$state$placement.x,
+      y = _data$state$placement.y;
+
+  if (state.modifiersData.popperOffsets != null) {
+    state.modifiersData.popperOffsets.x += x;
+    state.modifiersData.popperOffsets.y += y;
+  }
+
+  state.modifiersData[name] = data;
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'offset',
+  enabled: true,
+  phase: 'main',
+  requires: ['popperOffsets'],
+  fn: offset
+};

node_modules/@popperjs/core/dist/esm/modifiers/popperOffsets.js

@@ -0,0 +1,25 @@
+import computeOffsets from "../utils/computeOffsets.js";
+
+function popperOffsets(_ref) {
+  var state = _ref.state,
+      name = _ref.name;
+  // Offsets are the actual position the popper needs to have to be
+  // properly positioned near its reference element
+  // This is the most basic placement, and will be adjusted by
+  // the modifiers in the next step
+  state.modifiersData[name] = computeOffsets({
+    reference: state.rects.reference,
+    element: state.rects.popper,
+    strategy: 'absolute',
+    placement: state.placement
+  });
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'popperOffsets',
+  enabled: true,
+  phase: 'read',
+  fn: popperOffsets,
+  data: {}
+};

node_modules/@popperjs/core/dist/esm/modifiers/preventOverflow.js

@@ -0,0 +1,142 @@
+import { top, left, right, bottom, start } from "../enums.js";
+import getBasePlacement from "../utils/getBasePlacement.js";
+import getMainAxisFromPlacement from "../utils/getMainAxisFromPlacement.js";
+import getAltAxis from "../utils/getAltAxis.js";
+import { within, withinMaxClamp } from "../utils/within.js";
+import getLayoutRect from "../dom-utils/getLayoutRect.js";
+import getOffsetParent from "../dom-utils/getOffsetParent.js";
+import detectOverflow from "../utils/detectOverflow.js";
+import getVariation from "../utils/getVariation.js";
+import getFreshSideObject from "../utils/getFreshSideObject.js";
+import { min as mathMin, max as mathMax } from "../utils/math.js";
+
+function preventOverflow(_ref) {
+  var state = _ref.state,
+      options = _ref.options,
+      name = _ref.name;
+  var _options$mainAxis = options.mainAxis,
+      checkMainAxis = _options$mainAxis === void 0 ? true : _options$mainAxis,
+      _options$altAxis = options.altAxis,
+      checkAltAxis = _options$altAxis === void 0 ? false : _options$altAxis,
+      boundary = options.boundary,
+      rootBoundary = options.rootBoundary,
+      altBoundary = options.altBoundary,
+      padding = options.padding,
+      _options$tether = options.tether,
+      tether = _options$tether === void 0 ? true : _options$tether,
+      _options$tetherOffset = options.tetherOffset,
+      tetherOffset = _options$tetherOffset === void 0 ? 0 : _options$tetherOffset;
+  var overflow = detectOverflow(state, {
+    boundary: boundary,
+    rootBoundary: rootBoundary,
+    padding: padding,
+    altBoundary: altBoundary
+  });
+  var basePlacement = getBasePlacement(state.placement);
+  var variation = getVariation(state.placement);
+  var isBasePlacement = !variation;
+  var mainAxis = getMainAxisFromPlacement(basePlacement);
+  var altAxis = getAltAxis(mainAxis);
+  var popperOffsets = state.modifiersData.popperOffsets;
+  var referenceRect = state.rects.reference;
+  var popperRect = state.rects.popper;
+  var tetherOffsetValue = typeof tetherOffset === 'function' ? tetherOffset(Object.assign({}, state.rects, {
+    placement: state.placement
+  })) : tetherOffset;
+  var normalizedTetherOffsetValue = typeof tetherOffsetValue === 'number' ? {
+    mainAxis: tetherOffsetValue,
+    altAxis: tetherOffsetValue
+  } : Object.assign({
+    mainAxis: 0,
+    altAxis: 0
+  }, tetherOffsetValue);
+  var offsetModifierState = state.modifiersData.offset ? state.modifiersData.offset[state.placement] : null;
+  var data = {
+    x: 0,
+    y: 0
+  };
+
+  if (!popperOffsets) {
+    return;
+  }
+
+  if (checkMainAxis) {
+    var _offsetModifierState$;
+
+    var mainSide = mainAxis === 'y' ? top : left;
+    var altSide = mainAxis === 'y' ? bottom : right;
+    var len = mainAxis === 'y' ? 'height' : 'width';
+    var offset = popperOffsets[mainAxis];
+    var min = offset + overflow[mainSide];
+    var max = offset - overflow[altSide];
+    var additive = tether ? -popperRect[len] / 2 : 0;
+    var minLen = variation === start ? referenceRect[len] : popperRect[len];
+    var maxLen = variation === start ? -popperRect[len] : -referenceRect[len]; // We need to include the arrow in the calculation so the arrow doesn't go
+    // outside the reference bounds
+
+    var arrowElement = state.elements.arrow;
+    var arrowRect = tether && arrowElement ? getLayoutRect(arrowElement) : {
+      width: 0,
+      height: 0
+    };
+    var arrowPaddingObject = state.modifiersData['arrow#persistent'] ? state.modifiersData['arrow#persistent'].padding : getFreshSideObject();
+    var arrowPaddingMin = arrowPaddingObject[mainSide];
+    var arrowPaddingMax = arrowPaddingObject[altSide]; // If the reference length is smaller than the arrow length, we don't want
+    // to include its full size in the calculation. If the reference is small
+    // and near the edge of a boundary, the popper can overflow even if the
+    // reference is not overflowing as well (e.g. virtual elements with no
+    // width or height)
+
+    var arrowLen = within(0, referenceRect[len], arrowRect[len]);
+    var minOffset = isBasePlacement ? referenceRect[len] / 2 - additive - arrowLen - arrowPaddingMin - normalizedTetherOffsetValue.mainAxis : minLen - arrowLen - arrowPaddingMin - normalizedTetherOffsetValue.mainAxis;
+    var maxOffset = isBasePlacement ? -referenceRect[len] / 2 + additive + arrowLen + arrowPaddingMax + normalizedTetherOffsetValue.mainAxis : maxLen + arrowLen + arrowPaddingMax + normalizedTetherOffsetValue.mainAxis;
+    var arrowOffsetParent = state.elements.arrow && getOffsetParent(state.elements.arrow);
+    var clientOffset = arrowOffsetParent ? mainAxis === 'y' ? arrowOffsetParent.clientTop || 0 : arrowOffsetParent.clientLeft || 0 : 0;
+    var offsetModifierValue = (_offsetModifierState$ = offsetModifierState == null ? void 0 : offsetModifierState[mainAxis]) != null ? _offsetModifierState$ : 0;
+    var tetherMin = offset + minOffset - offsetModifierValue - clientOffset;
+    var tetherMax = offset + maxOffset - offsetModifierValue;
+    var preventedOffset = within(tether ? mathMin(min, tetherMin) : min, offset, tether ? mathMax(max, tetherMax) : max);
+    popperOffsets[mainAxis] = preventedOffset;
+    data[mainAxis] = preventedOffset - offset;
+  }
+
+  if (checkAltAxis) {
+    var _offsetModifierState$2;
+
+    var _mainSide = mainAxis === 'x' ? top : left;
+
+    var _altSide = mainAxis === 'x' ? bottom : right;
+
+    var _offset = popperOffsets[altAxis];
+
+    var _len = altAxis === 'y' ? 'height' : 'width';
+
+    var _min = _offset + overflow[_mainSide];
+
+    var _max = _offset - overflow[_altSide];
+
+    var isOriginSide = [top, left].indexOf(basePlacement) !== -1;
+
+    var _offsetModifierValue = (_offsetModifierState$2 = offsetModifierState == null ? void 0 : offsetModifierState[altAxis]) != null ? _offsetModifierState$2 : 0;
+
+    var _tetherMin = isOriginSide ? _min : _offset - referenceRect[_len] - popperRect[_len] - _offsetModifierValue + normalizedTetherOffsetValue.altAxis;
+
+    var _tetherMax = isOriginSide ? _offset + referenceRect[_len] + popperRect[_len] - _offsetModifierValue - normalizedTetherOffsetValue.altAxis : _max;
+
+    var _preventedOffset = tether && isOriginSide ? withinMaxClamp(_tetherMin, _offset, _tetherMax) : within(tether ? _tetherMin : _min, _offset, tether ? _tetherMax : _max);
+
+    popperOffsets[altAxis] = _preventedOffset;
+    data[altAxis] = _preventedOffset - _offset;
+  }
+
+  state.modifiersData[name] = data;
+} // eslint-disable-next-line import/no-unused-modules
+
+
+export default {
+  name: 'preventOverflow',
+  enabled: true,
+  phase: 'main',
+  fn: preventOverflow,
+  requiresIfExists: ['offset']
+};

node_modules/@popperjs/core/dist/esm/popper-base.js

@@ -0,0 +1,3 @@
+import { createPopper, popperGenerator, detectOverflow } from "./createPopper.js";
+// eslint-disable-next-line import/no-unused-modules
+export { createPopper, popperGenerator, detectOverflow };

node_modules/@popperjs/core/dist/esm/popper-lite.js

@@ -0,0 +1,11 @@
+import { popperGenerator, detectOverflow } from "./createPopper.js";
+import eventListeners from "./modifiers/eventListeners.js";
+import popperOffsets from "./modifiers/popperOffsets.js";
+import computeStyles from "./modifiers/computeStyles.js";
+import applyStyles from "./modifiers/applyStyles.js";
+var defaultModifiers = [eventListeners, popperOffsets, computeStyles, applyStyles];
+var createPopper = /*#__PURE__*/popperGenerator({
+  defaultModifiers: defaultModifiers
+}); // eslint-disable-next-line import/no-unused-modules
+
+export { createPopper, popperGenerator, defaultModifiers, detectOverflow };

node_modules/@popperjs/core/dist/esm/popper.js

@@ -0,0 +1,20 @@
+import { popperGenerator, detectOverflow } from "./createPopper.js";
+import eventListeners from "./modifiers/eventListeners.js";
+import popperOffsets from "./modifiers/popperOffsets.js";
+import computeStyles from "./modifiers/computeStyles.js";
+import applyStyles from "./modifiers/applyStyles.js";
+import offset from "./modifiers/offset.js";
+import flip from "./modifiers/flip.js";
+import preventOverflow from "./modifiers/preventOverflow.js";
+import arrow from "./modifiers/arrow.js";
+import hide from "./modifiers/hide.js";
+var defaultModifiers = [eventListeners, popperOffsets, computeStyles, applyStyles, offset, flip, preventOverflow, arrow, hide];
+var createPopper = /*#__PURE__*/popperGenerator({
+  defaultModifiers: defaultModifiers
+}); // eslint-disable-next-line import/no-unused-modules
+
+export { createPopper, popperGenerator, defaultModifiers, detectOverflow }; // eslint-disable-next-line import/no-unused-modules
+
+export { createPopper as createPopperLite } from "./popper-lite.js"; // eslint-disable-next-line import/no-unused-modules
+
+export * from "./modifiers/index.js";

node_modules/@popperjs/core/dist/esm/utils/computeAutoPlacement.js

@@ -0,0 +1,43 @@
+import getVariation from "./getVariation.js";
+import { variationPlacements, basePlacements, placements as allPlacements } from "../enums.js";
+import detectOverflow from "./detectOverflow.js";
+import getBasePlacement from "./getBasePlacement.js";
+export default function computeAutoPlacement(state, options) {
+  if (options === void 0) {
+    options = {};
+  }
+
+  var _options = options,
+      placement = _options.placement,
+      boundary = _options.boundary,
+      rootBoundary = _options.rootBoundary,
+      padding = _options.padding,
+      flipVariations = _options.flipVariations,
+      _options$allowedAutoP = _options.allowedAutoPlacements,
+      allowedAutoPlacements = _options$allowedAutoP === void 0 ? allPlacements : _options$allowedAutoP;
+  var variation = getVariation(placement);
+  var placements = variation ? flipVariations ? variationPlacements : variationPlacements.filter(function (placement) {
+    return getVariation(placement) === variation;
+  }) : basePlacements;
+  var allowedPlacements = placements.filter(function (placement) {
+    return allowedAutoPlacements.indexOf(placement) >= 0;
+  });
+
+  if (allowedPlacements.length === 0) {
+    allowedPlacements = placements;
+  } // $FlowFixMe[incompatible-type]: Flow seems to have problems with two array unions...
+
+
+  var overflows = allowedPlacements.reduce(function (acc, placement) {
+    acc[placement] = detectOverflow(state, {
+      placement: placement,
+      boundary: boundary,
+      rootBoundary: rootBoundary,
+      padding: padding
+    })[getBasePlacement(placement)];
+    return acc;
+  }, {});
+  return Object.keys(overflows).sort(function (a, b) {
+    return overflows[a] - overflows[b];
+  });
+}

node_modules/@popperjs/core/dist/esm/utils/computeOffsets.js

@@ -0,0 +1,70 @@
+import getBasePlacement from "./getBasePlacement.js";
+import getVariation from "./getVariation.js";
+import getMainAxisFromPlacement from "./getMainAxisFromPlacement.js";
+import { top, right, bottom, left, start, end } from "../enums.js";
+export default function computeOffsets(_ref) {
+  var reference = _ref.reference,
+      element = _ref.element,
+      placement = _ref.placement;
+  var basePlacement = placement ? getBasePlacement(placement) : null;
+  var variation = placement ? getVariation(placement) : null;
+  var commonX = reference.x + reference.width / 2 - element.width / 2;
+  var commonY = reference.y + reference.height / 2 - element.height / 2;
+  var offsets;
+
+  switch (basePlacement) {
+    case top:
+      offsets = {
+        x: commonX,
+        y: reference.y - element.height
+      };
+      break;
+
+    case bottom:
+      offsets = {
+        x: commonX,
+        y: reference.y + reference.height
+      };
+      break;
+
+    case right:
+      offsets = {
+        x: reference.x + reference.width,
+        y: commonY
+      };
+      break;
+
+    case left:
+      offsets = {
+        x: reference.x - element.width,
+        y: commonY
+      };
+      break;
+
+    default:
+      offsets = {
+        x: reference.x,
+        y: reference.y
+      };
+  }
+
+  var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null;
+
+  if (mainAxis != null) {
+    var len = mainAxis === 'y' ? 'height' : 'width';
+
+    switch (variation) {
+      case start:
+        offsets[mainAxis] = offsets[mainAxis] - (reference[len] / 2 - element[len] / 2);
+        break;
+
+      case end:
+        offsets[mainAxis] = offsets[mainAxis] + (reference[len] / 2 - element[len] / 2);
+        break;
+
+      default:
+    }
+  }
+
+  return offsets;
+}

node_modules/@popperjs/core/dist/esm/utils/debounce.js

@@ -0,0 +1,15 @@
+export default function debounce(fn) {
+  var pending;
+  return function () {
+    if (!pending) {
+      pending = new Promise(function (resolve) {
+        Promise.resolve().then(function () {
+          pending = undefined;
+          resolve(fn());
+        });
+      });
+    }
+
+    return pending;
+  };
+}

node_modules/@popperjs/core/dist/esm/utils/detectOverflow.js

@@ -0,0 +1,65 @@
+import getClippingRect from "../dom-utils/getClippingRect.js";
+import getDocumentElement from "../dom-utils/getDocumentElement.js";
+import getBoundingClientRect from "../dom-utils/getBoundingClientRect.js";
+import computeOffsets from "./computeOffsets.js";
+import rectToClientRect from "./rectToClientRect.js";
+import { clippingParents, reference, popper, bottom, top, right, basePlacements, viewport } from "../enums.js";
+import { isElement } from "../dom-utils/instanceOf.js";
+import mergePaddingObject from "./mergePaddingObject.js";
+import expandToHashMap from "./expandToHashMap.js"; // eslint-disable-next-line import/no-unused-modules
+
+export default function detectOverflow(state, options) {
+  if (options === void 0) {
+    options = {};
+  }
+
+  var _options = options,
+      _options$placement = _options.placement,
+      placement = _options$placement === void 0 ? state.placement : _options$placement,
+      _options$strategy = _options.strategy,
+      strategy = _options$strategy === void 0 ? state.strategy : _options$strategy,
+      _options$boundary = _options.boundary,
+      boundary = _options$boundary === void 0 ? clippingParents : _options$boundary,
+      _options$rootBoundary = _options.rootBoundary,
+      rootBoundary = _options$rootBoundary === void 0 ? viewport : _options$rootBoundary,
+      _options$elementConte = _options.elementContext,
+      elementContext = _options$elementConte === void 0 ? popper : _options$elementConte,
+      _options$altBoundary = _options.altBoundary,
+      altBoundary = _options$altBoundary === void 0 ? false : _options$altBoundary,
+      _options$padding = _options.padding,
+      padding = _options$padding === void 0 ? 0 : _options$padding;
+  var paddingObject = mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));
+  var altContext = elementContext === popper ? reference : popper;
+  var popperRect = state.rects.popper;
+  var element = state.elements[altBoundary ? altContext : elementContext];
+  var clippingClientRect = getClippingRect(isElement(element) ? element : element.contextElement || getDocumentElement(state.elements.popper), boundary, rootBoundary, strategy);
+  var referenceClientRect = getBoundingClientRect(state.elements.reference);
+  var popperOffsets = computeOffsets({
+    reference: referenceClientRect,
+    element: popperRect,
+    strategy: 'absolute',
+    placement: placement
+  });
+  var popperClientRect = rectToClientRect(Object.assign({}, popperRect, popperOffsets));
+  var elementClientRect = elementContext === popper ? popperClientRect : referenceClientRect; // positive = overflowing the clipping rect
+  // 0 or negative = within the clipping rect
+
+  var overflowOffsets = {
+    top: clippingClientRect.top - elementClientRect.top + paddingObject.top,
+    bottom: elementClientRect.bottom - clippingClientRect.bottom + paddingObject.bottom,
+    left: clippingClientRect.left - elementClientRect.left + paddingObject.left,
+    right: elementClientRect.right - clippingClientRect.right + paddingObject.right
+  };
+  var offsetData = state.modifiersData.offset; // Offsets can be applied only to the popper element
+
+  if (elementContext === popper && offsetData) {
+    var offset = offsetData[placement];
+    Object.keys(overflowOffsets).forEach(function (key) {
+      var multiply = [right, bottom].indexOf(key) >= 0 ? 1 : -1;
+      var axis = [top, bottom].indexOf(key) >= 0 ? 'y' : 'x';
+      overflowOffsets[key] += offset[axis] * multiply;
+    });
+  }
+
+  return overflowOffsets;
+}

node_modules/@popperjs/core/dist/esm/utils/expandToHashMap.js

@@ -0,0 +1,6 @@
+export default function expandToHashMap(value, keys) {
+  return keys.reduce(function (hashMap, key) {
+    hashMap[key] = value;
+    return hashMap;
+  }, {});
+}

node_modules/@popperjs/core/dist/esm/utils/getAltAxis.js

@@ -0,0 +1,3 @@
+export default function getAltAxis(axis) {
+  return axis === 'x' ? 'y' : 'x';
+}

node_modules/@popperjs/core/dist/esm/utils/getAltLen.js

@@ -0,0 +1,3 @@
+export default function getAltLen(len) {
+  return len === 'width' ? 'height' : 'width';
+}

node_modules/@popperjs/core/dist/esm/utils/getBasePlacement.js

@@ -0,0 +1,4 @@
+import { auto } from "../enums.js";
+export default function getBasePlacement(placement) {
+  return placement.split('-')[0];
+}

node_modules/@popperjs/core/dist/esm/utils/getFreshSideObject.js

@@ -0,0 +1,8 @@
+export default function getFreshSideObject() {
+  return {
+    top: 0,
+    right: 0,
+    bottom: 0,
+    left: 0
+  };
+}

node_modules/@popperjs/core/dist/esm/utils/getMainAxisFromPlacement.js

@@ -0,0 +1,3 @@
+export default function getMainAxisFromPlacement(placement) {
+  return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y';
+}

node_modules/@popperjs/core/dist/esm/utils/getOppositePlacement.js

@@ -0,0 +1,11 @@
+var hash = {
+  left: 'right',
+  right: 'left',
+  bottom: 'top',
+  top: 'bottom'
+};
+export default function getOppositePlacement(placement) {
+  return placement.replace(/left|right|bottom|top/g, function (matched) {
+    return hash[matched];
+  });
+}

node_modules/@popperjs/core/dist/esm/utils/getOppositeVariationPlacement.js

@@ -0,0 +1,9 @@
+var hash = {
+  start: 'end',
+  end: 'start'
+};
+export default function getOppositeVariationPlacement(placement) {
+  return placement.replace(/start|end/g, function (matched) {
+    return hash[matched];
+  });
+}

node_modules/@popperjs/core/dist/esm/utils/getVariation.js

@@ -0,0 +1,3 @@
+export default function getVariation(placement) {
+  return placement.split('-')[1];
+}

node_modules/@popperjs/core/dist/esm/utils/math.js

@@ -0,0 +1,3 @@
+export var max = Math.max;
+export var min = Math.min;
+export var round = Math.round;

node_modules/@popperjs/core/dist/esm/utils/mergeByName.js

@@ -0,0 +1,14 @@
+export default function mergeByName(modifiers) {
+  var merged = modifiers.reduce(function (merged, current) {
+    var existing = merged[current.name];
+    merged[current.name] = existing ? Object.assign({}, existing, current, {
+      options: Object.assign({}, existing.options, current.options),
+      data: Object.assign({}, existing.data, current.data)
+    }) : current;
+    return merged;
+  }, {}); // IE11 does not support Object.values
+
+  return Object.keys(merged).map(function (key) {
+    return merged[key];
+  });
+}

node_modules/@popperjs/core/dist/esm/utils/mergePaddingObject.js

@@ -0,0 +1,4 @@
+import getFreshSideObject from "./getFreshSideObject.js";
+export default function mergePaddingObject(paddingObject) {
+  return Object.assign({}, getFreshSideObject(), paddingObject);
+}

node_modules/@popperjs/core/dist/esm/utils/orderModifiers.js

@@ -0,0 +1,44 @@
+import { modifierPhases } from "../enums.js"; // source: https://stackoverflow.com/questions/49875255
+
+function order(modifiers) {
+  var map = new Map();
+  var visited = new Set();
+  var result = [];
+  modifiers.forEach(function (modifier) {
+    map.set(modifier.name, modifier);
+  }); // On visiting object, check for its dependencies and visit them recursively
+
+  function sort(modifier) {
+    visited.add(modifier.name);
+    var requires = [].concat(modifier.requires || [], modifier.requiresIfExists || []);
+    requires.forEach(function (dep) {
+      if (!visited.has(dep)) {
+        var depModifier = map.get(dep);
+
+        if (depModifier) {
+          sort(depModifier);
+        }
+      }
+    });
+    result.push(modifier);
+  }
+
+  modifiers.forEach(function (modifier) {
+    if (!visited.has(modifier.name)) {
+      // check for visited object
+      sort(modifier);
+    }
+  });
+  return result;
+}
+
+export default function orderModifiers(modifiers) {
+  // order based on dependencies
+  var orderedModifiers = order(modifiers); // order based on phase
+
+  return modifierPhases.reduce(function (acc, phase) {
+    return acc.concat(orderedModifiers.filter(function (modifier) {
+      return modifier.phase === phase;
+    }));
+  }, []);
+}

node_modules/@popperjs/core/dist/esm/utils/rectToClientRect.js

@@ -0,0 +1,8 @@
+export default function rectToClientRect(rect) {
+  return Object.assign({}, rect, {
+    left: rect.x,
+    top: rect.y,
+    right: rect.x + rect.width,
+    bottom: rect.y + rect.height
+  });
+}

node_modules/@popperjs/core/dist/esm/utils/uniqueBy.js

@@ -0,0 +1,11 @@
+export default function uniqueBy(arr, fn) {
+  var identifiers = new Set();
+  return arr.filter(function (item) {
+    var identifier = fn(item);
+
+    if (!identifiers.has(identifier)) {
+      identifiers.add(identifier);
+      return true;
+    }
+  });
+}

node_modules/@popperjs/core/dist/esm/utils/userAgent.js

@@ -0,0 +1,11 @@
+export default function getUAString() {
+  var uaData = navigator.userAgentData;
+
+  if (uaData != null && uaData.brands && Array.isArray(uaData.brands)) {
+    return uaData.brands.map(function (item) {
+      return item.brand + "/" + item.version;
+    }).join(' ');
+  }
+
+  return navigator.userAgent;
+}

node_modules/@popperjs/core/dist/esm/utils/within.js

@@ -0,0 +1,8 @@
+import { max as mathMax, min as mathMin } from "./math.js";
+export function within(min, value, max) {
+  return mathMax(min, mathMin(value, max));
+}
+export function withinMaxClamp(min, value, max) {
+  var v = within(min, value, max);
+  return v > max ? max : v;
+}

node_modules/@popperjs/core/dist/umd/enums.js

@@ -0,0 +1,71 @@
+/**
+ * @popperjs/core v2.11.8 - MIT License
+ */
+
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.Popper = {}));
+}(this, (function (exports) { 'use strict';
+
+  var top = 'top';
+  var bottom = 'bottom';
+  var right = 'right';
+  var left = 'left';
+  var auto = 'auto';
+  var basePlacements = [top, bottom, right, left];
+  var start = 'start';
+  var end = 'end';
+  var clippingParents = 'clippingParents';
+  var viewport = 'viewport';
+  var popper = 'popper';
+  var reference = 'reference';
+  var variationPlacements = /*#__PURE__*/basePlacements.reduce(function (acc, placement) {
+    return acc.concat([placement + "-" + start, placement + "-" + end]);
+  }, []);
+  var placements = /*#__PURE__*/[].concat(basePlacements, [auto]).reduce(function (acc, placement) {
+    return acc.concat([placement, placement + "-" + start, placement + "-" + end]);
+  }, []); // modifiers that need to read the DOM
+
+  var beforeRead = 'beforeRead';
+  var read = 'read';
+  var afterRead = 'afterRead'; // pure-logic modifiers
+
+  var beforeMain = 'beforeMain';
+  var main = 'main';
+  var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state)
+
+  var beforeWrite = 'beforeWrite';
+  var write = 'write';
+  var afterWrite = 'afterWrite';
+  var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite];
+
+  exports.afterMain = afterMain;
+  exports.afterRead = afterRead;
+  exports.afterWrite = afterWrite;
+  exports.auto = auto;
+  exports.basePlacements = basePlacements;
+  exports.beforeMain = beforeMain;
+  exports.beforeRead = beforeRead;
+  exports.beforeWrite = beforeWrite;
+  exports.bottom = bottom;
+  exports.clippingParents = clippingParents;
+  exports.end = end;
+  exports.left = left;
+  exports.main = main;
+  exports.modifierPhases = modifierPhases;
+  exports.placements = placements;
+  exports.popper = popper;
+  exports.read = read;
+  exports.reference = reference;
+  exports.right = right;
+  exports.start = start;
+  exports.top = top;
+  exports.variationPlacements = variationPlacements;
+  exports.viewport = viewport;
+  exports.write = write;
+
+  Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+//# sourceMappingURL=enums.js.map

node_modules/@popperjs/core/dist/umd/enums.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"enums.js","sources":["../../src/enums.js"],"sourcesContent":["// @flow\nexport const top: 'top' = 'top';\nexport const bottom: 'bottom' = 'bottom';\nexport const right: 'right' = 'right';\nexport const left: 'left' = 'left';\nexport const auto: 'auto' = 'auto';\nexport type BasePlacement =\n  | typeof top\n  | typeof bottom\n  | typeof right\n  | typeof left;\nexport const basePlacements: Array<BasePlacement> = [top, bottom, right, left];\n\nexport const start: 'start' = 'start';\nexport const end: 'end' = 'end';\nexport type Variation = typeof start | typeof end;\n\nexport const clippingParents: 'clippingParents' = 'clippingParents';\nexport const viewport: 'viewport' = 'viewport';\nexport type Boundary = Element | Array<Element> | typeof clippingParents;\nexport type RootBoundary = typeof viewport | 'document';\n\nexport const popper: 'popper' = 'popper';\nexport const reference: 'reference' = 'reference';\nexport type Context = typeof popper | typeof reference;\n\nexport type VariationPlacement =\n  | 'top-start'\n  | 'top-end'\n  | 'bottom-start'\n  | 'bottom-end'\n  | 'right-start'\n  | 'right-end'\n  | 'left-start'\n  | 'left-end';\nexport type AutoPlacement = 'auto' | 'auto-start' | 'auto-end';\nexport type ComputedPlacement = VariationPlacement | BasePlacement;\nexport type Placement = AutoPlacement | BasePlacement | VariationPlacement;\n\nexport const variationPlacements: Array<VariationPlacement> = basePlacements.reduce(\n  (acc: Array<VariationPlacement>, placement: BasePlacement) =>\n    acc.concat([(`${placement}-${start}`: any), (`${placement}-${end}`: any)]),\n  []\n);\nexport const placements: Array<Placement> = [...basePlacements, auto].reduce(\n  (\n    acc: Array<Placement>,\n    placement: BasePlacement | typeof auto\n  ): Array<Placement> =>\n    acc.concat([\n      placement,\n      (`${placement}-${start}`: any),\n      (`${placement}-${end}`: any),\n    ]),\n  []\n);\n\n// modifiers that need to read the DOM\nexport const beforeRead: 'beforeRead' = 'beforeRead';\nexport const read: 'read' = 'read';\nexport const afterRead: 'afterRead' = 'afterRead';\n// pure-logic modifiers\nexport const beforeMain: 'beforeMain' = 'beforeMain';\nexport const main: 'main' = 'main';\nexport const afterMain: 'afterMain' = 'afterMain';\n// modifier with the purpose to write to the DOM (or write into a framework state)\nexport const beforeWrite: 'beforeWrite' = 'beforeWrite';\nexport const write: 'write' = 'write';\nexport const afterWrite: 'afterWrite' = 'afterWrite';\nexport const modifierPhases: Array<ModifierPhases> = [\n  beforeRead,\n  read,\n  afterRead,\n  beforeMain,\n  main,\n  afterMain,\n  beforeWrite,\n  write,\n  afterWrite,\n];\n\nexport type ModifierPhases =\n  | typeof beforeRead\n  | typeof read\n  | typeof afterRead\n  | typeof beforeMain\n  | typeof main\n  | typeof afterMain\n  | typeof beforeWrite\n  | typeof write\n  | typeof afterWrite;\n"],"names":["top","bottom","right","left","auto","basePlacements","start","end","clippingParents","viewport","popper","reference","variationPlacements","reduce","acc","placement","concat","placements","beforeRead","read","afterRead","beforeMain","main","afterMain","beforeWrite","write","afterWrite","modifierPhases"],"mappings":";;;;;;;;;;MACaA,GAAU,GAAG;MACbC,MAAgB,GAAG;MACnBC,KAAc,GAAG;MACjBC,IAAY,GAAG;MACfC,IAAY,GAAG;MAMfC,cAAoC,GAAG,CAACL,GAAD,EAAMC,MAAN,EAAcC,KAAd,EAAqBC,IAArB;MAEvCG,KAAc,GAAG;MACjBC,GAAU,GAAG;MAGbC,eAAkC,GAAG;MACrCC,QAAoB,GAAG;MAIvBC,MAAgB,GAAG;MACnBC,SAAsB,GAAG;MAgBzBC,mBAA8C,gBAAGP,cAAc,CAACQ,MAAf,CAC5D,UAACC,GAAD,EAAiCC,SAAjC;EAAA,SACED,GAAG,CAACE,MAAJ,CAAW,CAAKD,SAAL,SAAkBT,KAAlB,EAAqCS,SAArC,SAAkDR,GAAlD,CAAX,CADF;EAAA,CAD4D,EAG5D,EAH4D;MAKjDU,UAA4B,gBAAG,UAAIZ,cAAJ,GAAoBD,IAApB,GAA0BS,MAA1B,CAC1C,UACEC,GADF,EAEEC,SAFF;EAAA,SAIED,GAAG,CAACE,MAAJ,CAAW,CACTD,SADS,EAELA,SAFK,SAEQT,KAFR,EAGLS,SAHK,SAGQR,GAHR,CAAX,CAJF;EAAA,CAD0C,EAU1C,EAV0C;;MAc/BW,UAAwB,GAAG;MAC3BC,IAAY,GAAG;MACfC,SAAsB,GAAG;;MAEzBC,UAAwB,GAAG;MAC3BC,IAAY,GAAG;MACfC,SAAsB,GAAG;;MAEzBC,WAA0B,GAAG;MAC7BC,KAAc,GAAG;MACjBC,UAAwB,GAAG;MAC3BC,cAAqC,GAAG,CACnDT,UADmD,EAEnDC,IAFmD,EAGnDC,SAHmD,EAInDC,UAJmD,EAKnDC,IALmD,EAMnDC,SANmD,EAOnDC,WAPmD,EAQnDC,KARmD,EASnDC,UATmD;;;;;;;;;;;;;;;;;;;;;;;;;;;;;"}

node_modules/@popperjs/core/dist/umd/enums.min.js

@@ -0,0 +1,6 @@
+/**
+ * @popperjs/core v2.11.8 - MIT License
+ */
+
+!function(e,t){"object"==typeof exports&&"undefined"!=typeof module?t(exports):"function"==typeof define&&define.amd?define(["exports"],t):t((e="undefined"!=typeof globalThis?globalThis:e||self).Popper={})}(this,(function(e){"use strict";var t="bottom",r="right",o="left",n="auto",a=["top",t,r,o],i="start",f="end",p=a.reduce((function(e,t){return e.concat([t+"-"+i,t+"-"+f])}),[]),c=[].concat(a,[n]).reduce((function(e,t){return e.concat([t,t+"-"+i,t+"-"+f])}),[]),d="beforeRead",s="read",u="afterRead",l="beforeMain",b="main",m="afterMain",P="beforeWrite",g="write",h="afterWrite",v=[d,s,u,l,b,m,P,g,h];e.afterMain=m,e.afterRead=u,e.afterWrite=h,e.auto=n,e.basePlacements=a,e.beforeMain=l,e.beforeRead=d,e.beforeWrite=P,e.bottom=t,e.clippingParents="clippingParents",e.end=f,e.left=o,e.main=b,e.modifierPhases=v,e.placements=c,e.popper="popper",e.read=s,e.reference="reference",e.right=r,e.start=i,e.top="top",e.variationPlacements=p,e.viewport="viewport",e.write=g,Object.defineProperty(e,"__esModule",{value:!0})}));
+//# sourceMappingURL=enums.min.js.map

node_modules/@popperjs/core/dist/umd/enums.min.js.flow

@@ -0,0 +1,3 @@
+// @flow
+
+export * from '../../lib/enums.js'

node_modules/@popperjs/core/dist/umd/enums.min.js.map

@@ -0,0 +1 @@
+{"version":3,"file":"enums.min.js","sources":["../../src/enums.js"],"sourcesContent":["// @flow\nexport const top: 'top' = 'top';\nexport const bottom: 'bottom' = 'bottom';\nexport const right: 'right' = 'right';\nexport const left: 'left' = 'left';\nexport const auto: 'auto' = 'auto';\nexport type BasePlacement =\n  | typeof top\n  | typeof bottom\n  | typeof right\n  | typeof left;\nexport const basePlacements: Array<BasePlacement> = [top, bottom, right, left];\n\nexport const start: 'start' = 'start';\nexport const end: 'end' = 'end';\nexport type Variation = typeof start | typeof end;\n\nexport const clippingParents: 'clippingParents' = 'clippingParents';\nexport const viewport: 'viewport' = 'viewport';\nexport type Boundary = Element | Array<Element> | typeof clippingParents;\nexport type RootBoundary = typeof viewport | 'document';\n\nexport const popper: 'popper' = 'popper';\nexport const reference: 'reference' = 'reference';\nexport type Context = typeof popper | typeof reference;\n\nexport type VariationPlacement =\n  | 'top-start'\n  | 'top-end'\n  | 'bottom-start'\n  | 'bottom-end'\n  | 'right-start'\n  | 'right-end'\n  | 'left-start'\n  | 'left-end';\nexport type AutoPlacement = 'auto' | 'auto-start' | 'auto-end';\nexport type ComputedPlacement = VariationPlacement | BasePlacement;\nexport type Placement = AutoPlacement | BasePlacement | VariationPlacement;\n\nexport const variationPlacements: Array<VariationPlacement> = basePlacements.reduce(\n  (acc: Array<VariationPlacement>, placement: BasePlacement) =>\n    acc.concat([(`${placement}-${start}`: any), (`${placement}-${end}`: any)]),\n  []\n);\nexport const placements: Array<Placement> = [...basePlacements, auto].reduce(\n  (\n    acc: Array<Placement>,\n    placement: BasePlacement | typeof auto\n  ): Array<Placement> =>\n    acc.concat([\n      placement,\n      (`${placement}-${start}`: any),\n      (`${placement}-${end}`: any),\n    ]),\n  []\n);\n\n// modifiers that need to read the DOM\nexport const beforeRead: 'beforeRead' = 'beforeRead';\nexport const read: 'read' = 'read';\nexport const afterRead: 'afterRead' = 'afterRead';\n// pure-logic modifiers\nexport const beforeMain: 'beforeMain' = 'beforeMain';\nexport const main: 'main' = 'main';\nexport const afterMain: 'afterMain' = 'afterMain';\n// modifier with the purpose to write to the DOM (or write into a framework state)\nexport const beforeWrite: 'beforeWrite' = 'beforeWrite';\nexport const write: 'write' = 'write';\nexport const afterWrite: 'afterWrite' = 'afterWrite';\nexport const modifierPhases: Array<ModifierPhases> = [\n  beforeRead,\n  read,\n  afterRead,\n  beforeMain,\n  main,\n  afterMain,\n  beforeWrite,\n  write,\n  afterWrite,\n];\n\nexport type ModifierPhases =\n  | typeof beforeRead\n  | typeof read\n  | typeof afterRead\n  | typeof beforeMain\n  | typeof main\n  | typeof afterMain\n  | typeof beforeWrite\n  | typeof write\n  | typeof afterWrite;\n"],"names":["bottom","right","left","auto","basePlacements","start","end","variationPlacements","reduce","acc","placement","concat","placements","beforeRead","read","afterRead","beforeMain","main","afterMain","beforeWrite","write","afterWrite","modifierPhases"],"mappings":";;;;kPAEaA,EAAmB,SACnBC,EAAiB,QACjBC,EAAe,OACfC,EAAe,OAMfC,EAAuC,CAV1B,MAUgCJ,EAAQC,EAAOC,GAE5DG,EAAiB,QACjBC,EAAa,MAyBbC,EAAiDH,EAAeI,QAC3E,SAACC,EAAgCC,UAC/BD,EAAIE,OAAO,CAAKD,MAAaL,EAAmBK,MAAaJ,MAC/D,IAEWM,EAA+B,UAAIR,GAAgBD,IAAMK,QACpE,SACEC,EACAC,UAEAD,EAAIE,OAAO,CACTD,EACIA,MAAaL,EACbK,MAAaJ,MAErB,IAIWO,EAA2B,aAC3BC,EAAe,OACfC,EAAyB,YAEzBC,EAA2B,aAC3BC,EAAe,OACfC,EAAyB,YAEzBC,EAA6B,cAC7BC,EAAiB,QACjBC,EAA2B,aAC3BC,EAAwC,CACnDT,EACAC,EACAC,EACAC,EACAC,EACAC,EACAC,EACAC,EACAC,qJA7DgD,uFAKlB,8BACM,sCAtBZ,yCAiBU"}

node_modules/@popperjs/core/dist/umd/popper-base.js

@@ -0,0 +1,945 @@
+/**
+ * @popperjs/core v2.11.8 - MIT License
+ */
+
+(function (global, factory) {
+  typeof exports === 'object' && typeof module !== 'undefined' ? factory(exports) :
+  typeof define === 'function' && define.amd ? define(['exports'], factory) :
+  (global = typeof globalThis !== 'undefined' ? globalThis : global || self, factory(global.Popper = {}));
+}(this, (function (exports) { 'use strict';
+
+  function getWindow(node) {
+    if (node == null) {
+      return window;
+    }
+
+    if (node.toString() !== '[object Window]') {
+      var ownerDocument = node.ownerDocument;
+      return ownerDocument ? ownerDocument.defaultView || window : window;
+    }
+
+    return node;
+  }
+
+  function isElement(node) {
+    var OwnElement = getWindow(node).Element;
+    return node instanceof OwnElement || node instanceof Element;
+  }
+
+  function isHTMLElement(node) {
+    var OwnElement = getWindow(node).HTMLElement;
+    return node instanceof OwnElement || node instanceof HTMLElement;
+  }
+
+  function isShadowRoot(node) {
+    // IE 11 has no ShadowRoot
+    if (typeof ShadowRoot === 'undefined') {
+      return false;
+    }
+
+    var OwnElement = getWindow(node).ShadowRoot;
+    return node instanceof OwnElement || node instanceof ShadowRoot;
+  }
+
+  var max = Math.max;
+  var min = Math.min;
+  var round = Math.round;
+
+  function getUAString() {
+    var uaData = navigator.userAgentData;
+
+    if (uaData != null && uaData.brands && Array.isArray(uaData.brands)) {
+      return uaData.brands.map(function (item) {
+        return item.brand + "/" + item.version;
+      }).join(' ');
+    }
+
+    return navigator.userAgent;
+  }
+
+  function isLayoutViewport() {
+    return !/^((?!chrome|android).)*safari/i.test(getUAString());
+  }
+
+  function getBoundingClientRect(element, includeScale, isFixedStrategy) {
+    if (includeScale === void 0) {
+      includeScale = false;
+    }
+
+    if (isFixedStrategy === void 0) {
+      isFixedStrategy = false;
+    }
+
+    var clientRect = element.getBoundingClientRect();
+    var scaleX = 1;
+    var scaleY = 1;
+
+    if (includeScale && isHTMLElement(element)) {
+      scaleX = element.offsetWidth > 0 ? round(clientRect.width) / element.offsetWidth || 1 : 1;
+      scaleY = element.offsetHeight > 0 ? round(clientRect.height) / element.offsetHeight || 1 : 1;
+    }
+
+    var _ref = isElement(element) ? getWindow(element) : window,
+        visualViewport = _ref.visualViewport;
+
+    var addVisualOffsets = !isLayoutViewport() && isFixedStrategy;
+    var x = (clientRect.left + (addVisualOffsets && visualViewport ? visualViewport.offsetLeft : 0)) / scaleX;
+    var y = (clientRect.top + (addVisualOffsets && visualViewport ? visualViewport.offsetTop : 0)) / scaleY;
+    var width = clientRect.width / scaleX;
+    var height = clientRect.height / scaleY;
+    return {
+      width: width,
+      height: height,
+      top: y,
+      right: x + width,
+      bottom: y + height,
+      left: x,
+      x: x,
+      y: y
+    };
+  }
+
+  function getWindowScroll(node) {
+    var win = getWindow(node);
+    var scrollLeft = win.pageXOffset;
+    var scrollTop = win.pageYOffset;
+    return {
+      scrollLeft: scrollLeft,
+      scrollTop: scrollTop
+    };
+  }
+
+  function getHTMLElementScroll(element) {
+    return {
+      scrollLeft: element.scrollLeft,
+      scrollTop: element.scrollTop
+    };
+  }
+
+  function getNodeScroll(node) {
+    if (node === getWindow(node) || !isHTMLElement(node)) {
+      return getWindowScroll(node);
+    } else {
+      return getHTMLElementScroll(node);
+    }
+  }
+
+  function getNodeName(element) {
+    return element ? (element.nodeName || '').toLowerCase() : null;
+  }
+
+  function getDocumentElement(element) {
+    // $FlowFixMe[incompatible-return]: assume body is always available
+    return ((isElement(element) ? element.ownerDocument : // $FlowFixMe[prop-missing]
+    element.document) || window.document).documentElement;
+  }
+
+  function getWindowScrollBarX(element) {
+    // If <html> has a CSS width greater than the viewport, then this will be
+    // incorrect for RTL.
+    // Popper 1 is broken in this case and never had a bug report so let's assume
+    // it's not an issue. I don't think anyone ever specifies width on <html>
+    // anyway.
+    // Browsers where the left scrollbar doesn't cause an issue report `0` for
+    // this (e.g. Edge 2019, IE11, Safari)
+    return getBoundingClientRect(getDocumentElement(element)).left + getWindowScroll(element).scrollLeft;
+  }
+
+  function getComputedStyle(element) {
+    return getWindow(element).getComputedStyle(element);
+  }
+
+  function isScrollParent(element) {
+    // Firefox wants us to check `-x` and `-y` variations as well
+    var _getComputedStyle = getComputedStyle(element),
+        overflow = _getComputedStyle.overflow,
+        overflowX = _getComputedStyle.overflowX,
+        overflowY = _getComputedStyle.overflowY;
+
+    return /auto|scroll|overlay|hidden/.test(overflow + overflowY + overflowX);
+  }
+
+  function isElementScaled(element) {
+    var rect = element.getBoundingClientRect();
+    var scaleX = round(rect.width) / element.offsetWidth || 1;
+    var scaleY = round(rect.height) / element.offsetHeight || 1;
+    return scaleX !== 1 || scaleY !== 1;
+  } // Returns the composite rect of an element relative to its offsetParent.
+  // Composite means it takes into account transforms as well as layout.
+
+
+  function getCompositeRect(elementOrVirtualElement, offsetParent, isFixed) {
+    if (isFixed === void 0) {
+      isFixed = false;
+    }
+
+    var isOffsetParentAnElement = isHTMLElement(offsetParent);
+    var offsetParentIsScaled = isHTMLElement(offsetParent) && isElementScaled(offsetParent);
+    var documentElement = getDocumentElement(offsetParent);
+    var rect = getBoundingClientRect(elementOrVirtualElement, offsetParentIsScaled, isFixed);
+    var scroll = {
+      scrollLeft: 0,
+      scrollTop: 0
+    };
+    var offsets = {
+      x: 0,
+      y: 0
+    };
+
+    if (isOffsetParentAnElement || !isOffsetParentAnElement && !isFixed) {
+      if (getNodeName(offsetParent) !== 'body' || // https://github.com/popperjs/popper-core/issues/1078
+      isScrollParent(documentElement)) {
+        scroll = getNodeScroll(offsetParent);
+      }
+
+      if (isHTMLElement(offsetParent)) {
+        offsets = getBoundingClientRect(offsetParent, true);
+        offsets.x += offsetParent.clientLeft;
+        offsets.y += offsetParent.clientTop;
+      } else if (documentElement) {
+        offsets.x = getWindowScrollBarX(documentElement);
+      }
+    }
+
+    return {
+      x: rect.left + scroll.scrollLeft - offsets.x,
+      y: rect.top + scroll.scrollTop - offsets.y,
+      width: rect.width,
+      height: rect.height
+    };
+  }
+
+  // means it doesn't take into account transforms.
+
+  function getLayoutRect(element) {
+    var clientRect = getBoundingClientRect(element); // Use the clientRect sizes if it's not been transformed.
+    // Fixes https://github.com/popperjs/popper-core/issues/1223
+
+    var width = element.offsetWidth;
+    var height = element.offsetHeight;
+
+    if (Math.abs(clientRect.width - width) <= 1) {
+      width = clientRect.width;
+    }
+
+    if (Math.abs(clientRect.height - height) <= 1) {
+      height = clientRect.height;
+    }
+
+    return {
+      x: element.offsetLeft,
+      y: element.offsetTop,
+      width: width,
+      height: height
+    };
+  }
+
+  function getParentNode(element) {
+    if (getNodeName(element) === 'html') {
+      return element;
+    }
+
+    return (// this is a quicker (but less type safe) way to save quite some bytes from the bundle
+      // $FlowFixMe[incompatible-return]
+      // $FlowFixMe[prop-missing]
+      element.assignedSlot || // step into the shadow DOM of the parent of a slotted node
+      element.parentNode || ( // DOM Element detected
+      isShadowRoot(element) ? element.host : null) || // ShadowRoot detected
+      // $FlowFixMe[incompatible-call]: HTMLElement is a Node
+      getDocumentElement(element) // fallback
+
+    );
+  }
+
+  function getScrollParent(node) {
+    if (['html', 'body', '#document'].indexOf(getNodeName(node)) >= 0) {
+      // $FlowFixMe[incompatible-return]: assume body is always available
+      return node.ownerDocument.body;
+    }
+
+    if (isHTMLElement(node) && isScrollParent(node)) {
+      return node;
+    }
+
+    return getScrollParent(getParentNode(node));
+  }
+
+  /*
+  given a DOM element, return the list of all scroll parents, up the list of ancesors
+  until we get to the top window object. This list is what we attach scroll listeners
+  to, because if any of these parent elements scroll, we'll need to re-calculate the
+  reference element's position.
+  */
+
+  function listScrollParents(element, list) {
+    var _element$ownerDocumen;
+
+    if (list === void 0) {
+      list = [];
+    }
+
+    var scrollParent = getScrollParent(element);
+    var isBody = scrollParent === ((_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body);
+    var win = getWindow(scrollParent);
+    var target = isBody ? [win].concat(win.visualViewport || [], isScrollParent(scrollParent) ? scrollParent : []) : scrollParent;
+    var updatedList = list.concat(target);
+    return isBody ? updatedList : // $FlowFixMe[incompatible-call]: isBody tells us target will be an HTMLElement here
+    updatedList.concat(listScrollParents(getParentNode(target)));
+  }
+
+  function isTableElement(element) {
+    return ['table', 'td', 'th'].indexOf(getNodeName(element)) >= 0;
+  }
+
+  function getTrueOffsetParent(element) {
+    if (!isHTMLElement(element) || // https://github.com/popperjs/popper-core/issues/837
+    getComputedStyle(element).position === 'fixed') {
+      return null;
+    }
+
+    return element.offsetParent;
+  } // `.offsetParent` reports `null` for fixed elements, while absolute elements
+  // return the containing block
+
+
+  function getContainingBlock(element) {
+    var isFirefox = /firefox/i.test(getUAString());
+    var isIE = /Trident/i.test(getUAString());
+
+    if (isIE && isHTMLElement(element)) {
+      // In IE 9, 10 and 11 fixed elements containing block is always established by the viewport
+      var elementCss = getComputedStyle(element);
+
+      if (elementCss.position === 'fixed') {
+        return null;
+      }
+    }
+
+    var currentNode = getParentNode(element);
+
+    if (isShadowRoot(currentNode)) {
+      currentNode = currentNode.host;
+    }
+
+    while (isHTMLElement(currentNode) && ['html', 'body'].indexOf(getNodeName(currentNode)) < 0) {
+      var css = getComputedStyle(currentNode); // This is non-exhaustive but covers the most common CSS properties that
+      // create a containing block.
+      // https://developer.mozilla.org/en-US/docs/Web/CSS/Containing_block#identifying_the_containing_block
+
+      if (css.transform !== 'none' || css.perspective !== 'none' || css.contain === 'paint' || ['transform', 'perspective'].indexOf(css.willChange) !== -1 || isFirefox && css.willChange === 'filter' || isFirefox && css.filter && css.filter !== 'none') {
+        return currentNode;
+      } else {
+        currentNode = currentNode.parentNode;
+      }
+    }
+
+    return null;
+  } // Gets the closest ancestor positioned element. Handles some edge cases,
+  // such as table ancestors and cross browser bugs.
+
+
+  function getOffsetParent(element) {
+    var window = getWindow(element);
+    var offsetParent = getTrueOffsetParent(element);
+
+    while (offsetParent && isTableElement(offsetParent) && getComputedStyle(offsetParent).position === 'static') {
+      offsetParent = getTrueOffsetParent(offsetParent);
+    }
+
+    if (offsetParent && (getNodeName(offsetParent) === 'html' || getNodeName(offsetParent) === 'body' && getComputedStyle(offsetParent).position === 'static')) {
+      return window;
+    }
+
+    return offsetParent || getContainingBlock(element) || window;
+  }
+
+  var top = 'top';
+  var bottom = 'bottom';
+  var right = 'right';
+  var left = 'left';
+  var basePlacements = [top, bottom, right, left];
+  var start = 'start';
+  var end = 'end';
+  var clippingParents = 'clippingParents';
+  var viewport = 'viewport';
+  var popper = 'popper';
+  var reference = 'reference';
+
+  var beforeRead = 'beforeRead';
+  var read = 'read';
+  var afterRead = 'afterRead'; // pure-logic modifiers
+
+  var beforeMain = 'beforeMain';
+  var main = 'main';
+  var afterMain = 'afterMain'; // modifier with the purpose to write to the DOM (or write into a framework state)
+
+  var beforeWrite = 'beforeWrite';
+  var write = 'write';
+  var afterWrite = 'afterWrite';
+  var modifierPhases = [beforeRead, read, afterRead, beforeMain, main, afterMain, beforeWrite, write, afterWrite];
+
+  function order(modifiers) {
+    var map = new Map();
+    var visited = new Set();
+    var result = [];
+    modifiers.forEach(function (modifier) {
+      map.set(modifier.name, modifier);
+    }); // On visiting object, check for its dependencies and visit them recursively
+
+    function sort(modifier) {
+      visited.add(modifier.name);
+      var requires = [].concat(modifier.requires || [], modifier.requiresIfExists || []);
+      requires.forEach(function (dep) {
+        if (!visited.has(dep)) {
+          var depModifier = map.get(dep);
+
+          if (depModifier) {
+            sort(depModifier);
+          }
+        }
+      });
+      result.push(modifier);
+    }
+
+    modifiers.forEach(function (modifier) {
+      if (!visited.has(modifier.name)) {
+        // check for visited object
+        sort(modifier);
+      }
+    });
+    return result;
+  }
+
+  function orderModifiers(modifiers) {
+    // order based on dependencies
+    var orderedModifiers = order(modifiers); // order based on phase
+
+    return modifierPhases.reduce(function (acc, phase) {
+      return acc.concat(orderedModifiers.filter(function (modifier) {
+        return modifier.phase === phase;
+      }));
+    }, []);
+  }
+
+  function debounce(fn) {
+    var pending;
+    return function () {
+      if (!pending) {
+        pending = new Promise(function (resolve) {
+          Promise.resolve().then(function () {
+            pending = undefined;
+            resolve(fn());
+          });
+        });
+      }
+
+      return pending;
+    };
+  }
+
+  function mergeByName(modifiers) {
+    var merged = modifiers.reduce(function (merged, current) {
+      var existing = merged[current.name];
+      merged[current.name] = existing ? Object.assign({}, existing, current, {
+        options: Object.assign({}, existing.options, current.options),
+        data: Object.assign({}, existing.data, current.data)
+      }) : current;
+      return merged;
+    }, {}); // IE11 does not support Object.values
+
+    return Object.keys(merged).map(function (key) {
+      return merged[key];
+    });
+  }
+
+  function getViewportRect(element, strategy) {
+    var win = getWindow(element);
+    var html = getDocumentElement(element);
+    var visualViewport = win.visualViewport;
+    var width = html.clientWidth;
+    var height = html.clientHeight;
+    var x = 0;
+    var y = 0;
+
+    if (visualViewport) {
+      width = visualViewport.width;
+      height = visualViewport.height;
+      var layoutViewport = isLayoutViewport();
+
+      if (layoutViewport || !layoutViewport && strategy === 'fixed') {
+        x = visualViewport.offsetLeft;
+        y = visualViewport.offsetTop;
+      }
+    }
+
+    return {
+      width: width,
+      height: height,
+      x: x + getWindowScrollBarX(element),
+      y: y
+    };
+  }
+
+  // of the `<html>` and `<body>` rect bounds if horizontally scrollable
+
+  function getDocumentRect(element) {
+    var _element$ownerDocumen;
+
+    var html = getDocumentElement(element);
+    var winScroll = getWindowScroll(element);
+    var body = (_element$ownerDocumen = element.ownerDocument) == null ? void 0 : _element$ownerDocumen.body;
+    var width = max(html.scrollWidth, html.clientWidth, body ? body.scrollWidth : 0, body ? body.clientWidth : 0);
+    var height = max(html.scrollHeight, html.clientHeight, body ? body.scrollHeight : 0, body ? body.clientHeight : 0);
+    var x = -winScroll.scrollLeft + getWindowScrollBarX(element);
+    var y = -winScroll.scrollTop;
+
+    if (getComputedStyle(body || html).direction === 'rtl') {
+      x += max(html.clientWidth, body ? body.clientWidth : 0) - width;
+    }
+
+    return {
+      width: width,
+      height: height,
+      x: x,
+      y: y
+    };
+  }
+
+  function contains(parent, child) {
+    var rootNode = child.getRootNode && child.getRootNode(); // First, attempt with faster native method
+
+    if (parent.contains(child)) {
+      return true;
+    } // then fallback to custom implementation with Shadow DOM support
+    else if (rootNode && isShadowRoot(rootNode)) {
+        var next = child;
+
+        do {
+          if (next && parent.isSameNode(next)) {
+            return true;
+          } // $FlowFixMe[prop-missing]: need a better way to handle this...
+
+
+          next = next.parentNode || next.host;
+        } while (next);
+      } // Give up, the result is false
+
+
+    return false;
+  }
+
+  function rectToClientRect(rect) {
+    return Object.assign({}, rect, {
+      left: rect.x,
+      top: rect.y,
+      right: rect.x + rect.width,
+      bottom: rect.y + rect.height
+    });
+  }
+
+  function getInnerBoundingClientRect(element, strategy) {
+    var rect = getBoundingClientRect(element, false, strategy === 'fixed');
+    rect.top = rect.top + element.clientTop;
+    rect.left = rect.left + element.clientLeft;
+    rect.bottom = rect.top + element.clientHeight;
+    rect.right = rect.left + element.clientWidth;
+    rect.width = element.clientWidth;
+    rect.height = element.clientHeight;
+    rect.x = rect.left;
+    rect.y = rect.top;
+    return rect;
+  }
+
+  function getClientRectFromMixedType(element, clippingParent, strategy) {
+    return clippingParent === viewport ? rectToClientRect(getViewportRect(element, strategy)) : isElement(clippingParent) ? getInnerBoundingClientRect(clippingParent, strategy) : rectToClientRect(getDocumentRect(getDocumentElement(element)));
+  } // A "clipping parent" is an overflowable container with the characteristic of
+  // clipping (or hiding) overflowing elements with a position different from
+  // `initial`
+
+
+  function getClippingParents(element) {
+    var clippingParents = listScrollParents(getParentNode(element));
+    var canEscapeClipping = ['absolute', 'fixed'].indexOf(getComputedStyle(element).position) >= 0;
+    var clipperElement = canEscapeClipping && isHTMLElement(element) ? getOffsetParent(element) : element;
+
+    if (!isElement(clipperElement)) {
+      return [];
+    } // $FlowFixMe[incompatible-return]: https://github.com/facebook/flow/issues/1414
+
+
+    return clippingParents.filter(function (clippingParent) {
+      return isElement(clippingParent) && contains(clippingParent, clipperElement) && getNodeName(clippingParent) !== 'body';
+    });
+  } // Gets the maximum area that the element is visible in due to any number of
+  // clipping parents
+
+
+  function getClippingRect(element, boundary, rootBoundary, strategy) {
+    var mainClippingParents = boundary === 'clippingParents' ? getClippingParents(element) : [].concat(boundary);
+    var clippingParents = [].concat(mainClippingParents, [rootBoundary]);
+    var firstClippingParent = clippingParents[0];
+    var clippingRect = clippingParents.reduce(function (accRect, clippingParent) {
+      var rect = getClientRectFromMixedType(element, clippingParent, strategy);
+      accRect.top = max(rect.top, accRect.top);
+      accRect.right = min(rect.right, accRect.right);
+      accRect.bottom = min(rect.bottom, accRect.bottom);
+      accRect.left = max(rect.left, accRect.left);
+      return accRect;
+    }, getClientRectFromMixedType(element, firstClippingParent, strategy));
+    clippingRect.width = clippingRect.right - clippingRect.left;
+    clippingRect.height = clippingRect.bottom - clippingRect.top;
+    clippingRect.x = clippingRect.left;
+    clippingRect.y = clippingRect.top;
+    return clippingRect;
+  }
+
+  function getBasePlacement(placement) {
+    return placement.split('-')[0];
+  }
+
+  function getVariation(placement) {
+    return placement.split('-')[1];
+  }
+
+  function getMainAxisFromPlacement(placement) {
+    return ['top', 'bottom'].indexOf(placement) >= 0 ? 'x' : 'y';
+  }
+
+  function computeOffsets(_ref) {
+    var reference = _ref.reference,
+        element = _ref.element,
+        placement = _ref.placement;
+    var basePlacement = placement ? getBasePlacement(placement) : null;
+    var variation = placement ? getVariation(placement) : null;
+    var commonX = reference.x + reference.width / 2 - element.width / 2;
+    var commonY = reference.y + reference.height / 2 - element.height / 2;
+    var offsets;
+
+    switch (basePlacement) {
+      case top:
+        offsets = {
+          x: commonX,
+          y: reference.y - element.height
+        };
+        break;
+
+      case bottom:
+        offsets = {
+          x: commonX,
+          y: reference.y + reference.height
+        };
+        break;
+
+      case right:
+        offsets = {
+          x: reference.x + reference.width,
+          y: commonY
+        };
+        break;
+
+      case left:
+        offsets = {
+          x: reference.x - element.width,
+          y: commonY
+        };
+        break;
+
+      default:
+        offsets = {
+          x: reference.x,
+          y: reference.y
+        };
+    }
+
+    var mainAxis = basePlacement ? getMainAxisFromPlacement(basePlacement) : null;
+
+    if (mainAxis != null) {
+      var len = mainAxis === 'y' ? 'height' : 'width';
+
+      switch (variation) {
+        case start:
+          offsets[mainAxis] = offsets[mainAxis] - (reference[len] / 2 - element[len] / 2);
+          break;
+
+        case end:
+          offsets[mainAxis] = offsets[mainAxis] + (reference[len] / 2 - element[len] / 2);
+          break;
+      }
+    }
+
+    return offsets;
+  }
+
+  function getFreshSideObject() {
+    return {
+      top: 0,
+      right: 0,
+      bottom: 0,
+      left: 0
+    };
+  }
+
+  function mergePaddingObject(paddingObject) {
+    return Object.assign({}, getFreshSideObject(), paddingObject);
+  }
+
+  function expandToHashMap(value, keys) {
+    return keys.reduce(function (hashMap, key) {
+      hashMap[key] = value;
+      return hashMap;
+    }, {});
+  }
+
+  function detectOverflow(state, options) {
+    if (options === void 0) {
+      options = {};
+    }
+
+    var _options = options,
+        _options$placement = _options.placement,
+        placement = _options$placement === void 0 ? state.placement : _options$placement,
+        _options$strategy = _options.strategy,
+        strategy = _options$strategy === void 0 ? state.strategy : _options$strategy,
+        _options$boundary = _options.boundary,
+        boundary = _options$boundary === void 0 ? clippingParents : _options$boundary,
+        _options$rootBoundary = _options.rootBoundary,
+        rootBoundary = _options$rootBoundary === void 0 ? viewport : _options$rootBoundary,
+        _options$elementConte = _options.elementContext,
+        elementContext = _options$elementConte === void 0 ? popper : _options$elementConte,
+        _options$altBoundary = _options.altBoundary,
+        altBoundary = _options$altBoundary === void 0 ? false : _options$altBoundary,
+        _options$padding = _options.padding,
+        padding = _options$padding === void 0 ? 0 : _options$padding;
+    var paddingObject = mergePaddingObject(typeof padding !== 'number' ? padding : expandToHashMap(padding, basePlacements));
+    var altContext = elementContext === popper ? reference : popper;
+    var popperRect = state.rects.popper;
+    var element = state.elements[altBoundary ? altContext : elementContext];
+    var clippingClientRect = getClippingRect(isElement(element) ? element : element.contextElement || getDocumentElement(state.elements.popper), boundary, rootBoundary, strategy);
+    var referenceClientRect = getBoundingClientRect(state.elements.reference);
+    var popperOffsets = computeOffsets({
+      reference: referenceClientRect,
+      element: popperRect,
+      strategy: 'absolute',
+      placement: placement
+    });
+    var popperClientRect = rectToClientRect(Object.assign({}, popperRect, popperOffsets));
+    var elementClientRect = elementContext === popper ? popperClientRect : referenceClientRect; // positive = overflowing the clipping rect
+    // 0 or negative = within the clipping rect
+
+    var overflowOffsets = {
+      top: clippingClientRect.top - elementClientRect.top + paddingObject.top,
+      bottom: elementClientRect.bottom - clippingClientRect.bottom + paddingObject.bottom,
+      left: clippingClientRect.left - elementClientRect.left + paddingObject.left,
+      right: elementClientRect.right - clippingClientRect.right + paddingObject.right
+    };
+    var offsetData = state.modifiersData.offset; // Offsets can be applied only to the popper element
+
+    if (elementContext === popper && offsetData) {
+      var offset = offsetData[placement];
+      Object.keys(overflowOffsets).forEach(function (key) {
+        var multiply = [right, bottom].indexOf(key) >= 0 ? 1 : -1;
+        var axis = [top, bottom].indexOf(key) >= 0 ? 'y' : 'x';
+        overflowOffsets[key] += offset[axis] * multiply;
+      });
+    }
+
+    return overflowOffsets;
+  }
+
+  var DEFAULT_OPTIONS = {
+    placement: 'bottom',
+    modifiers: [],
+    strategy: 'absolute'
+  };
+
+  function areValidElements() {
+    for (var _len = arguments.length, args = new Array(_len), _key = 0; _key < _len; _key++) {
+      args[_key] = arguments[_key];
+    }
+
+    return !args.some(function (element) {
+      return !(element && typeof element.getBoundingClientRect === 'function');
+    });
+  }
+
+  function popperGenerator(generatorOptions) {
+    if (generatorOptions === void 0) {
+      generatorOptions = {};
+    }
+
+    var _generatorOptions = generatorOptions,
+        _generatorOptions$def = _generatorOptions.defaultModifiers,
+        defaultModifiers = _generatorOptions$def === void 0 ? [] : _generatorOptions$def,
+        _generatorOptions$def2 = _generatorOptions.defaultOptions,
+        defaultOptions = _generatorOptions$def2 === void 0 ? DEFAULT_OPTIONS : _generatorOptions$def2;
+    return function createPopper(reference, popper, options) {
+      if (options === void 0) {
+        options = defaultOptions;
+      }
+
+      var state = {
+        placement: 'bottom',
+        orderedModifiers: [],
+        options: Object.assign({}, DEFAULT_OPTIONS, defaultOptions),
+        modifiersData: {},
+        elements: {
+          reference: reference,
+          popper: popper
+        },
+        attributes: {},
+        styles: {}
+      };
+      var effectCleanupFns = [];
+      var isDestroyed = false;
+      var instance = {
+        state: state,
+        setOptions: function setOptions(setOptionsAction) {
+          var options = typeof setOptionsAction === 'function' ? setOptionsAction(state.options) : setOptionsAction;
+          cleanupModifierEffects();
+          state.options = Object.assign({}, defaultOptions, state.options, options);
+          state.scrollParents = {
+            reference: isElement(reference) ? listScrollParents(reference) : reference.contextElement ? listScrollParents(reference.contextElement) : [],
+            popper: listScrollParents(popper)
+          }; // Orders the modifiers based on their dependencies and `phase`
+          // properties
+
+          var orderedModifiers = orderModifiers(mergeByName([].concat(defaultModifiers, state.options.modifiers))); // Strip out disabled modifiers
+
+          state.orderedModifiers = orderedModifiers.filter(function (m) {
+            return m.enabled;
+          });
+          runModifierEffects();
+          return instance.update();
+        },
+        // Sync update – it will always be executed, even if not necessary. This
+        // is useful for low frequency updates where sync behavior simplifies the
+        // logic.
+        // For high frequency updates (e.g. `resize` and `scroll` events), always
+        // prefer the async Popper#update method
+        forceUpdate: function forceUpdate() {
+          if (isDestroyed) {
+            return;
+          }
+
+          var _state$elements = state.elements,
+              reference = _state$elements.reference,
+              popper = _state$elements.popper; // Don't proceed if `reference` or `popper` are not valid elements
+          // anymore
+
+          if (!areValidElements(reference, popper)) {
+            return;
+          } // Store the reference and popper rects to be read by modifiers
+
+
+          state.rects = {
+            reference: getCompositeRect(reference, getOffsetParent(popper), state.options.strategy === 'fixed'),
+            popper: getLayoutRect(popper)
+          }; // Modifiers have the ability to reset the current update cycle. The
+          // most common use case for this is the `flip` modifier changing the
+          // placement, which then needs to re-run all the modifiers, because the
+          // logic was previously ran for the previous placement and is therefore
+          // stale/incorrect
+
+          state.reset = false;
+          state.placement = state.options.placement; // On each update cycle, the `modifiersData` property for each modifier
+          // is filled with the initial data specified by the modifier. This means
+          // it doesn't persist and is fresh on each update.
+          // To ensure persistent data, use `${name}#persistent`
+
+          state.orderedModifiers.forEach(function (modifier) {
+            return state.modifiersData[modifier.name] = Object.assign({}, modifier.data);
+          });
+
+          for (var index = 0; index < state.orderedModifiers.length; index++) {
+            if (state.reset === true) {
+              state.reset = false;
+              index = -1;
+              continue;
+            }
+
+            var _state$orderedModifie = state.orderedModifiers[index],
+                fn = _state$orderedModifie.fn,
+                _state$orderedModifie2 = _state$orderedModifie.options,
+                _options = _state$orderedModifie2 === void 0 ? {} : _state$orderedModifie2,
+                name = _state$orderedModifie.name;
+
+            if (typeof fn === 'function') {
+              state = fn({
+                state: state,
+                options: _options,
+                name: name,
+                instance: instance
+              }) || state;
+            }
+          }
+        },
+        // Async and optimistically optimized update – it will not be executed if
+        // not necessary (debounced to run at most once-per-tick)
+        update: debounce(function () {
+          return new Promise(function (resolve) {
+            instance.forceUpdate();
+            resolve(state);
+          });
+        }),
+        destroy: function destroy() {
+          cleanupModifierEffects();
+          isDestroyed = true;
+        }
+      };
+
+      if (!areValidElements(reference, popper)) {
+        return instance;
+      }
+
+      instance.setOptions(options).then(function (state) {
+        if (!isDestroyed && options.onFirstUpdate) {
+          options.onFirstUpdate(state);
+        }
+      }); // Modifiers have the ability to execute arbitrary code before the first
+      // update cycle runs. They will be executed in the same order as the update
+      // cycle. This is useful when a modifier adds some persistent data that
+      // other modifiers need to use, but the modifier is run after the dependent
+      // one.
+
+      function runModifierEffects() {
+        state.orderedModifiers.forEach(function (_ref) {
+          var name = _ref.name,
+              _ref$options = _ref.options,
+              options = _ref$options === void 0 ? {} : _ref$options,
+              effect = _ref.effect;
+
+          if (typeof effect === 'function') {
+            var cleanupFn = effect({
+              state: state,
+              name: name,
+              instance: instance,
+              options: options
+            });
+
+            var noopFn = function noopFn() {};
+
+            effectCleanupFns.push(cleanupFn || noopFn);
+          }
+        });
+      }
+
+      function cleanupModifierEffects() {
+        effectCleanupFns.forEach(function (fn) {
+          return fn();
+        });
+        effectCleanupFns = [];
+      }
+
+      return instance;
+    };
+  }
+  var createPopper = /*#__PURE__*/popperGenerator(); // eslint-disable-next-line import/no-unused-modules
+
+  exports.createPopper = createPopper;
+  exports.detectOverflow = detectOverflow;
+  exports.popperGenerator = popperGenerator;
+
+  Object.defineProperty(exports, '__esModule', { value: true });
+
+})));
+//# sourceMappingURL=popper-base.js.map