feat: add JS toolchain — esbuild, TypeScript, Vitest

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -9,3 +9,4 @@ vendor/
 result
 *.js.map
 dist/
+.phpunit.result.cache

Resources/public/heatmap.js

@@ -0,0 +1 @@
+"use strict";var KimaiHeatmap=(()=>{var e=Object.defineProperty;var a=Object.getOwnPropertyDescriptor;var c=Object.getOwnPropertyNames;var m=Object.prototype.hasOwnProperty;var p=(i,n)=>{for(var t in n)e(i,t,{get:n[t],enumerable:!0})},H=(i,n,t,l)=>{if(n&&typeof n=="object"||typeof n=="function")for(let o of c(n))!m.call(i,o)&&o!==t&&e(i,o,{get:()=>n[o],enumerable:!(l=a(n,o))||l.enumerable});return i};var d=i=>H(e({},"__esModule",{value:!0}),i);var g={};p(g,{init:()=>f});function f(i){console.log("Heatmap init",i)}return d(g);})();

assets/src/heatmap.ts

@@ -0,0 +1,3 @@
+export function init(container: HTMLElement): void {
+  console.log('Heatmap init', container);
+}

assets/test/heatmap.test.ts

@@ -0,0 +1,7 @@
+import { describe, it, expect } from 'vitest';
+
+describe('heatmap', () => {
+  it('placeholder', () => {
+    expect(true).toBe(true);
+  });
+});

package.json

@@ -0,0 +1,32 @@
+{
+  "name": "kimai-heatmap-bundle",
+  "private": true,
+  "type": "module",
+  "scripts": {
+    "build": "esbuild assets/src/heatmap.ts --bundle --outfile=Resources/public/heatmap.js --format=iife --global-name=KimaiHeatmap --minify",
+    "build:dev": "esbuild assets/src/heatmap.ts --bundle --outfile=Resources/public/heatmap.js --format=iife --global-name=KimaiHeatmap --sourcemap",
+    "test": "vitest run",
+    "test:watch": "vitest"
+  },
+  "dependencies": {
+    "d3-array": "^3.2.4",
+    "d3-scale": "^4.0.2",
+    "d3-scale-chromatic": "^3.1.0",
+    "d3-selection": "^3.0.0",
+    "d3-time": "^3.1.0",
+    "d3-time-format": "^4.1.0"
+  },
+  "devDependencies": {
+    "@types/d3-array": "^3.2.2",
+    "@types/d3-scale": "^4.0.9",
+    "@types/d3-scale-chromatic": "^3.1.0",
+    "@types/d3-selection": "^3.0.11",
+    "@types/d3-time": "^3.0.4",
+    "@types/d3-time-format": "^4.0.3",
+    "@vitest/coverage-v8": "^4.1.3",
+    "esbuild": "^0.28.0",
+    "jsdom": "^29.0.2",
+    "typescript": "^6.0.2",
+    "vitest": "^4.1.3"
+  }
+}

tsconfig.json

@@ -0,0 +1,11 @@
+{
+  "compilerOptions": {
+    "target": "ES2022",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "noEmit": true,
+    "types": ["vitest/globals"]
+  },
+  "include": ["assets/src/**/*.ts", "assets/test/**/*.ts"]
+}

vitest.config.ts

@@ -0,0 +1,8 @@
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    environment: 'jsdom',
+    globals: true,
+  },
+});