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TreeMap customization sample committed
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.editorconfig

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# Editor configuration, see https://editorconfig.org
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root = true
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[*]
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charset = utf-8
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indent_style = space
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indent_size = 2
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insert_final_newline = true
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trim_trailing_whitespace = true
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[*.ts]
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quote_type = single
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[*.md]
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max_line_length = off
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trim_trailing_whitespace = false

.gitignore

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# See https://docs.github.com/get-started/getting-started-with-git/ignoring-files for more about ignoring files.
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# Compiled output
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/dist
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/tmp
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/out-tsc
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/bazel-out
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# Node
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/node_modules
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npm-debug.log
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yarn-error.log
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# IDEs and editors
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.idea/
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.project
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.classpath
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.c9/
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*.launch
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.settings/
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*.sublime-workspace
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# Visual Studio Code
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.vscode/*
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!.vscode/settings.json
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!.vscode/tasks.json
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!.vscode/launch.json
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!.vscode/extensions.json
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.history/*
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# Miscellaneous
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/.angular/cache
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.sass-cache/
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/connect.lock
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/coverage
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/libpeerconnection.log
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testem.log
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/typings
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# System files
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.DS_Store
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Thumbs.db

README.md

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# how-to-customize-the-angular-treemap-component
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A quick-start project that helps you to integrate a Angular treemap component in a Angular application with a few of its basic features like enabling leaf labels, color mapping, legends, the title, and tooltips.
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# Myangularapp
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This project was generated with [Angular CLI](https://github.com/angular/angular-cli) version 18.0.7.
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## Development server
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Run `ng serve` for a dev server. Navigate to `http://localhost:4200/`. The application will automatically reload if you change any of the source files.
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## Code scaffolding
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Run `ng generate component component-name` to generate a new component. You can also use `ng generate directive|pipe|service|class|guard|interface|enum|module`.
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## Build
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Run `ng build` to build the project. The build artifacts will be stored in the `dist/` directory.
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## Running unit tests
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Run `ng test` to execute the unit tests via [Karma](https://karma-runner.github.io).
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## Running end-to-end tests
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Run `ng e2e` to execute the end-to-end tests via a platform of your choice. To use this command, you need to first add a package that implements end-to-end testing capabilities.
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## Further help
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To get more help on the Angular CLI use `ng help` or go check out the [Angular CLI Overview and Command Reference](https://angular.dev/tools/cli) page.

angular.json

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{
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"$schema": "./node_modules/@angular/cli/lib/config/schema.json",
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"version": 1,
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"newProjectRoot": "projects",
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"projects": {
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"myangularapp": {
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"projectType": "application",
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"schematics": {},
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"root": "",
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"sourceRoot": "src",
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"prefix": "app",
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"architect": {
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"build": {
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"builder": "@angular-devkit/build-angular:application",
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"options": {
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"outputPath": "dist/myangularapp",
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"index": "src/index.html",
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"browser": "src/main.ts",
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"polyfills": [
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"zone.js"
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],
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"tsConfig": "tsconfig.app.json",
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"assets": [
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{
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"glob": "**/*",
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"input": "public"
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}
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],
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"styles": [
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"src/styles.css"
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],
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"scripts": []
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},
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"configurations": {
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"production": {
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"budgets": [
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{
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"type": "initial",
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"maximumWarning": "500kB",
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"maximumError": "1MB"
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},
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{
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"type": "anyComponentStyle",
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"maximumWarning": "2kB",
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"maximumError": "4kB"
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}
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],
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"outputHashing": "all"
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},
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"development": {
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"optimization": false,
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"extractLicenses": false,
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"sourceMap": true
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}
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},
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"defaultConfiguration": "production"
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},
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"serve": {
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"builder": "@angular-devkit/build-angular:dev-server",
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"configurations": {
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"production": {
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"buildTarget": "myangularapp:build:production"
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},
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"development": {
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"buildTarget": "myangularapp:build:development"
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}
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},
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"defaultConfiguration": "development"
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},
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"extract-i18n": {
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"builder": "@angular-devkit/build-angular:extract-i18n"
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},
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"test": {
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"builder": "@angular-devkit/build-angular:karma",
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"options": {
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"polyfills": [
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"zone.js",
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"zone.js/testing"
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],
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"tsConfig": "tsconfig.spec.json",
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"assets": [
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{
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"glob": "**/*",
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"input": "public"
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}
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],
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"styles": [
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"src/styles.css"
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],
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"scripts": []
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}
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}
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}
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}
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},
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"cli": {
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"analytics": false
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}
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}

package.json

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{
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"name": "myangularapp",
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"version": "0.0.0",
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"scripts": {
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"ng": "ng",
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"start": "ng serve",
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"build": "ng build",
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"watch": "ng build --watch --configuration development",
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"test": "ng test"
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},
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"private": true,
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"dependencies": {
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"@angular/animations": "^18.0.0",
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"@angular/common": "^18.0.0",
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"@angular/compiler": "^18.0.0",
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"@angular/core": "^18.0.0",
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"@angular/forms": "^18.0.0",
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"@angular/platform-browser": "^18.0.0",
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"@angular/platform-browser-dynamic": "^18.0.0",
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"@angular/router": "^18.0.0",
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"@syncfusion/ej2-angular-treemap": "^26.1.35",
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"rxjs": "~7.8.0",
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"tslib": "^2.3.0",
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"zone.js": "~0.14.3"
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},
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"devDependencies": {
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"@angular-devkit/build-angular": "^18.0.7",
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"@angular/cli": "^18.0.7",
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"@angular/compiler-cli": "^18.0.0",
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"@types/jasmine": "~5.1.0",
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"jasmine-core": "~5.1.0",
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"karma": "~6.4.0",
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"karma-chrome-launcher": "~3.2.0",
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"karma-coverage": "~2.2.0",
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"karma-jasmine": "~5.1.0",
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"karma-jasmine-html-reporter": "~2.1.0",
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"typescript": "~5.4.2"
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}
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}

public/favicon.ico

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src/app/app.component.css

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src/app/app.component.html

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<ejs-treemap style='display: block; margin-top: 30px'
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[dataSource]='data'
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weightValuePath='employeeCount'
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[leafItemSettings]="leafItemSettings"
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[tooltipSettings]='tooltipSettings'
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[selectionSettings]="selectionSettings"
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[highlightSettings]="highlightSettings"
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renderDirection="TopRightBottomLeft"
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[levels]="levels">
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</ejs-treemap>

src/app/app.component.spec.ts

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import { TestBed } from '@angular/core/testing';
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import { AppComponent } from './app.component';
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describe('AppComponent', () => {
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beforeEach(async () => {
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await TestBed.configureTestingModule({
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imports: [AppComponent],
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}).compileComponents();
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});
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it('should create the app', () => {
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const fixture = TestBed.createComponent(AppComponent);
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const app = fixture.componentInstance;
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expect(app).toBeTruthy();
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});
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it(`should have the 'myangularapp' title`, () => {
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const fixture = TestBed.createComponent(AppComponent);
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const app = fixture.componentInstance;
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expect(app.title).toEqual('myangularapp');
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});
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it('should render title', () => {
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const fixture = TestBed.createComponent(AppComponent);
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fixture.detectChanges();
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const compiled = fixture.nativeElement as HTMLElement;
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expect(compiled.querySelector('h1')?.textContent).toContain('Hello, myangularapp');
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});
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});

src/app/app.component.ts

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import { Component } from '@angular/core';
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import { RouterOutlet } from '@angular/router';
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import { TreeMapModule, TreeMapTooltipService, TreeMapSelectionService, TreeMapHighlightService } from '@syncfusion/ej2-angular-treemap';
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@Component({
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selector: 'app-root',
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standalone: true,
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imports: [RouterOutlet, TreeMapModule ],
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providers: [TreeMapTooltipService, TreeMapSelectionService, TreeMapHighlightService],
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templateUrl: './app.component.html',
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styleUrl: './app.component.css'
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})
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export class AppComponent {
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public leafItemSettings: object= {
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labelPath: 'country',
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fill: '#37afab',
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labelStyle: {
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size: '15px'
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},
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border: { color:'white', width: 0.5 },
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labelFormat: '${country}-(${jobDescription}-${employeeCount})',
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interSectAction: 'Trim',
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labelPosition: 'TopCenter',
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gap: 7
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};
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public levels: object[]= [
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{
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groupPath: 'country',
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border: { color: 'white', width: 0.5},
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fill: '#87cfcc',
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groupGap: 7,
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headerStyle: { size: '15px'},
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headerHeight: 40,
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headerAlignment: 'Center'
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},
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{
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groupPath: 'jobDescription',
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border: { color: 'white', width: 0.5},
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fill: '#50b2ae',
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groupGap: 7,
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headerStyle: { size: '15px'},
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headerHeight: 40,
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headerAlignment: 'Center'
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}
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];
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public tooltipSettings: object = {
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visible: true
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};
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public selectionSettings: object= {
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enable: true,
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fill: '#2f7573',
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border: { color: 'white', width: 0.5 },
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mode: 'Parent'
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};
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public highlightSettings: object= {
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enable: true,
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fill: '#0ec2bc',
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border: { color: 'black', width: 0.9 },
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mode: 'Child'
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};
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public data: object[] = [
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{ country: "United States", jobDescription: "Sales Department", jobGroup: "Executive", employeeCount: 20 },
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{ country: "United States", jobDescription: "Sales", jobGroup: "Analyst",employeeCount: 30 },
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{ country: "United States", jobDescription: "Marketing Department", employeeCount: 40 },
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{ country: "United States", jobDescription: "Management", employeeCount: 80 },
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{ country: "India", jobDescription: "Technical", jobGroup: "Testers", employeeCount: 100 },
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{ country: "India", jobDescription: "HR Executives", employeeCount: 30 },
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{ country: "India", jobDescription: "Accounts", employeeCount: 40 },
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{ country: "UK", jobDescription: "Technical", jobGroup: "Testers", employeeCount: 30 },
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{ country: "UK", jobDescription: "HR Executives", employeeCount: 50 },
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{ country: "UK", jobDescription: "Accounts", employeeCount: 60 }
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];
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title = 'myangularapp';
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}

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