Initial

.github/workflows/gh-pages-deploy.yml

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+name: GitHub Pages
+
+on:
+  push:
+    branches: [master]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Use Node.js 16.x
+        uses: actions/setup-node@v1
+        with:
+          node-version: "16.x"
+
+      - name: Build
+        env:
+          LCJS_LICENSE: ${{ secrets.LCJS_DEPLOY_LICENSE }}
+        run: |
+          npm install
+          npm run build
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./dist
+          publish_branch: gh-pages

.gitignore

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+node_modules
+dist

LICENSE

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+MIT License
+
+Copyright (c) 2022 LightningChart Ltd.
+
+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.

README.md

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+# JavaScript TreeMapChart
+
+![JavaScript TreeMapChart](TreeMap-darkGold.png)
+
+This demo application belongs to the set of examples for LightningChart JS, data visualization library for JavaScript.
+
+LightningChart JS is entirely GPU accelerated and performance optimized charting library for presenting massive amounts of data. It offers an easy way of creating sophisticated and interactive charts and adding them to your website or web application.
+
+The demo can be used as an example or a seed project. Local execution requires the following steps:
+
+-   Make sure that relevant version of [Node.js](https://nodejs.org/en/download/) is installed
+-   Open the project folder in a terminal:
+
+          npm install              # fetches dependencies
+          npm start                # builds an application and starts the development server
+
+-   The application is available at _http://localhost:8080_ in your browser, webpack-dev-server provides hot reload functionality.
+
+
+## Description
+
+Simple overview of a TreeMap chart.
+
+This type of chart is particularly useful for presenting hierarchical data in a way that's easy to understand at a glance. It can be used for financial analysis, showing market trends, or comparing the size and performance of companies within and across sectors, for example.
+
+This chart is interactive, enabling users to click on node to drill down for more detailed information.
+
+Below is a sample snippet for generating a TreeMap Chart using predefined data with LightningChart JS:
+
+```js
+const treeMapChart = lightningChart().TreeMapChart()
+treeMapChart.setData(data)
+```
+
+
+## API Links
+
+* [Treemap Chart]
+
+
+## Support
+
+If you notice an error in the example code, please open an issue on [GitHub][0] repository of the entire example.
+
+Official [API documentation][1] can be found on [LightningChart][2] website.
+
+If the docs and other materials do not solve your problem as well as implementation help is needed, ask on [StackOverflow][3] (tagged lightningchart).
+
+If you think you found a bug in the LightningChart JavaScript library, please contact [email protected].
+
+Direct developer email support can be purchased through a [Support Plan][4] or by contacting [email protected].
+
+[0]: https://github.com/Arction/
+[1]: https://lightningchart.com/lightningchart-js-api-documentation/
+[2]: https://lightningchart.com
+[3]: https://stackoverflow.com/questions/tagged/lightningchart
+[4]: https://lightningchart.com/support-services/
+
+© LightningChart Ltd 2009-2022. All rights reserved.
+
+
+[Treemap Chart]: https://lightningchart.com/js-charts/api-documentation/v5.2.0/classes/TreemapChart.html
+

package.json

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+{
+  "version": "2.0.0",
+  "scripts": {
+    "build": "webpack --mode production",
+    "start": "webpack serve"
+  },
+  "license": "MIT",
+  "private": true,
+  "main": "./src/index.js",
+  "devDependencies": {
+    "clean-webpack-plugin": "^4.0.0",
+    "copy-webpack-plugin": "^10.0.0",
+    "html-webpack-plugin": "^5.5.0",
+    "webpack": "^5.64.4",
+    "webpack-cli": "^4.9.1",
+    "webpack-dev-server": "^4.6.0",
+    "webpack-stream": "^7.0.0"
+  },
+  "dependencies": {
+    "@arction/lcjs": "^5.2.0",
+    "@arction/xydata": "^1.4.0"
+  },
+  "lightningChart": {
+    "eID": "1504"
+  }
+}

src/index.js

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+const lcjs = require('@arction/lcjs')
+
+const { lightningChart, Themes } = lcjs
+
+const chart = lightningChart({
+            resourcesBaseUrl: new URL(document.head.baseURI).origin + new URL(document.head.baseURI).pathname + 'resources/',
+        }).TreeMapChart({
+    theme: Themes[new URLSearchParams(window.location.search).get('theme') || 'darkGold'] || undefined,
+})
+chart.setTitle('Sector Distribution of Leading Global Companies')
+chart.setData([
+    {
+        name: 'TECHNOLOGY',
+        children: [
+            { name: 'MSFT', value: 60.34 },
+            { name: 'AAPL', value: 52.75 },
+            { name: 'ORCL', value: 31.25 },
+            { name: 'ADBE', value: 81.71 },
+            { name: 'NVDA', value: 252.82 },
+            { name: 'AVGO', value: 104.86 },
+            { name: 'CRM', value: 104.83 },
+            { name: 'INTU', value: 66.01 },
+        ],
+    },
+    {
+        name: 'COMMUNICATION SERVICES',
+        children: [
+            { name: 'GOOG', value: 63.0 },
+            { name: 'META', value: 206.14 },
+            { name: 'NFLX', value: 75.84 },
+            { name: 'DIS', value: 7.27 },
+        ],
+    },
+    {
+        name: 'CONSUMER CYCLICAL',
+        children: [
+            { name: 'AMZN', value: 85.7 },
+            { name: 'TSLA', value: 120.46 },
+            { name: 'MCD', value: 11.84 },
+            { name: 'HD', value: 9.76 },
+        ],
+    },
+    {
+        name: 'FINANCIAL',
+        children: [
+            { name: 'V', value: 27.01 },
+            { name: 'JPM', value: 28.42 },
+            { name: 'BAC', value: 12.75 },
+            { name: 'BRK-B', value: 17.54 },
+        ],
+    },
+])

webpack.config.js

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+const HtmlWebpackPlugin = require("html-webpack-plugin");
+const { CleanWebpackPlugin } = require("clean-webpack-plugin");
+const CopyWebpackPlugin = require("copy-webpack-plugin");
+const path = require("path");
+const webpack = require('webpack');
+
+const targetFolderName = "dist";
+const outputPath = path.resolve(__dirname, targetFolderName);
+const packageJSON = require("./package.json");
+
+module.exports = {
+  mode: "development",
+  entry: {
+    app: packageJSON.main,
+  },
+  devServer: {
+    static: outputPath,
+    compress: true,
+  },
+  resolve: {
+    modules: [path.resolve("./src"), path.resolve("./node_modules")],
+    extensions: [".js"],
+  },
+  output: {
+    filename: "js/[name].[contenthash].bundle.js",
+    chunkFilename: "js/[name].[contenthash].bundle.js",
+    path: outputPath,
+  },
+  optimization: {
+    splitChunks: {
+      chunks: "all",
+      cacheGroups: {
+        // make separate 'vendor' chunk that contains any dependencies
+        // allows for smaller file sizes and faster builds
+        vendor: {
+          test: /[\\/]node_modules[\\/]/,
+          chunks: "initial",
+          name: "vendor",
+          priority: -10,
+          reuseExistingChunk: true,
+        },
+      },
+    },
+    runtimeChunk: "single",
+  },
+  plugins: [
+    new CleanWebpackPlugin(),
+    new HtmlWebpackPlugin({
+      title: "app",
+      filename: path.resolve(__dirname, "dist", "index.html"),
+    }),
+    new CopyWebpackPlugin({
+      patterns: [
+        {
+          from: "./assets/**/*",
+          to: `./examples/assets/${packageJSON.lightningChart.eID}/[name][ext]`,
+          noErrorOnMissing: true,
+        },
+        {
+          from: "./node_modules/@arction/lcjs/dist/resources",
+          to: "resources",
+          noErrorOnMissing: true,
+        },
+      ],
+    }),
+    new webpack.DefinePlugin({
+        LCJS_LICENSE: "'" + process.env.LCJS_LICENSE + "'",
+    }),
+  ],
+};