Add example env.

.gitignore

 docs
 examples/**/*.js
 examples/**/*.js.map
+examples/globals.js
+examples/.env
 
 # Logs
 logs

examples/globals.d.ts

+export const CESIUM_ION_API_TOKEN: string

examples/ogc-tiles-google-maps-3d/script.ts

 import {_testFinish, LoadingScreenPlugin, MathUtils, OrbitControls3, ThreeViewer} from 'threepipe'
 import {TilesRendererPlugin, UnloadTilesPlugin, TileCompressionPlugin} from '@threepipe/plugin-3d-tiles-renderer'
+import {CESIUM_ION_API_TOKEN} from '../globals.js'
 
 async function init() {
 
 
     const result = await tiles.loadCesiumIon({
         assetId: '2275207',
-        apiToken: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI0M2VkOWIxYy00NGEyLTQ1N2QtOWYxYy01ZDNlYjdkN2U4N2MiLCJpZCI6Mjk5NTY5LCJpYXQiOjE3NDY0MzE1NTl9.iOdIsjY4zSnTfIXBx0Pl-yfsG24OuHTt2CQnIP5JRrQ',
+        apiToken: CESIUM_ION_API_TOKEN,
         autoRefreshToken: true,
     }, {
         autoCenter: false,

examples/ogc-tiles-google-maps/script.ts

 import {_testFinish, LoadingScreenPlugin, OrbitControls3, ThreeViewer} from 'threepipe'
 import {TileCompressionPlugin, TilesRendererPlugin, UnloadTilesPlugin} from '@threepipe/plugin-3d-tiles-renderer'
+import {CESIUM_ION_API_TOKEN} from '../globals.js'
 
 async function init() {
 
 
     const result = await tiles.loadCesiumIon({
         assetId: '2275207',
-        apiToken: 'eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJqdGkiOiI0M2VkOWIxYy00NGEyLTQ1N2QtOWYxYy01ZDNlYjdkN2U4N2MiLCJpZCI6Mjk5NTY5LCJpYXQiOjE3NDY0MzE1NTl9.iOdIsjY4zSnTfIXBx0Pl-yfsG24OuHTt2CQnIP5JRrQ',
+        apiToken: CESIUM_ION_API_TOKEN,
         autoRefreshToken: true,
     }, {
         autoCenter: false,

examples/sample.env

+TP_EX_CESIUM_ION_API_TOKEN="CESIUM_ION_API_TOKEN"

package-lock.json

         "@typescript-eslint/parser": "^5.59.5",
         "clean-package": "^2.2.0",
         "copyfiles": "^2.4.1",
+        "dotenv": "^16.5.0",
         "eslint": "^8.40.0",
         "eslint-import-resolver-typescript": "^3.5.5",
         "eslint-plugin-deprecation": "^1.4.1",
       }
     },
     "node_modules/dotenv": {
-      "version": "16.4.7",
-      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.4.7.tgz",
-      "integrity": "sha512-47qPchRCykZC03FhkYAhrvwU4xDBFIj1QPqaarj6mdM/hgUzfPHcpkHJOn3mJAufFeeAxAzeGsr5X0M4k6fLZQ==",
+      "version": "16.5.0",
+      "resolved": "https://registry.npmjs.org/dotenv/-/dotenv-16.5.0.tgz",
+      "integrity": "sha512-m/C+AwOAr9/W1UOIZUo232ejMNnJAJtYQjUbHoNTBNTJSvqzzDh7vnrei3o3r3m9blf6ZoDkvcw0VmozNRFJxg==",
       "dev": true,
       "license": "BSD-2-Clause",
       "engines": {

package.json

     "new:publish": "git diff --exit-code --name-only HEAD * && npm run prepare && clean-package && npm publish && clean-package restore && git tag v$npm_package_version",
     "build": "npm run update-version && npm run compile && vite build",
     "dev": "NODE_ENV=development vite build --watch",
-    "build-examples": "tsc --project examples/tsconfig.build.json",
-    "dev-examples": "tsc --project examples/tsconfig.build.json -w",
+    "build-examples": "npm run generate-example-env && tsc --project examples/tsconfig.build.json",
+    "dev-examples": "npm run generate-example-env && tsc --project examples/tsconfig.build.json -w",
     "serve-docs": "ws -d docs -p 8080",
     "serve": "ws -d . -p 9229",
     "docs": "npx typedoc && npm run website:build",
     "website:dev": "vitepress dev website",
     "website:build": "vitepress build website",
     "website:preview": "vitepress preview website",
-    "build-site": "bash ./scripts/build-site.sh"
+    "build-site": "bash ./scripts/build-site.sh",
+    "generate-example-env": "node ./scripts/generate-example-env.mjs"
   },
   "clean-package": {
     "remove": [
   "devDependencies": {
     "@rollup/plugin-json": "^6.0.0",
     "@rollup/plugin-replace": "^5.0.2",
+    "@types/node": "^22.10.2",
     "@types/stats.js": "^0.17.0",
     "@typescript-eslint/eslint-plugin": "^5.59.7",
     "@typescript-eslint/parser": "^5.59.5",
     "clean-package": "^2.2.0",
-    "@types/node": "^22.10.2",
     "copyfiles": "^2.4.1",
+    "dotenv": "^16.5.0",
     "eslint": "^8.40.0",
     "eslint-import-resolver-typescript": "^3.5.5",
     "eslint-plugin-deprecation": "^1.4.1",
     "@types/three": "https://github.com/repalash/three-ts-types/releases/download/v0.157.1005/package.tgz",
     "@types/webxr": "^0.5.1",
     "@types/wicg-file-system-access": "^2020.9.5",
+    "popmotion": "^11.0.5",
     "stats.js": "^0.17.0",
     "ts-browser-helpers": "^0.16.2",
-    "uiconfig.js": "^0.1.3",
-    "popmotion": "^11.0.5"
+    "uiconfig.js": "^0.1.3"
   },
   "peerDependencies": {
     "three": "https://github.com/repalash/three.js-modded/releases/download/v0.157.1007/package.tgz"

scripts/generate-example-env.mjs

+import fs from 'fs'
+import dotenv from 'dotenv'
+
+// read .env file if exists
+const envFilePath = './examples/.env'
+if (fs.existsSync(envFilePath)) {
+    dotenv.config({ path: envFilePath })
+}
+
+// Filter EX_ variables from environment
+const envVars = Object.entries(process.env)
+    .filter(([key]) => key.startsWith('TP_EX_'))
+    .reduce((acc, [key, value]) => {
+        acc[key.replace('TP_EX_', '')] = value
+        return acc
+    }, {})
+
+// Generate globals.js
+const jsOutput = Object.entries(envVars)
+    .map(([key, val]) => `export const ${key} = ${JSON.stringify(val)}`)
+    .join('\n') + '\n'
+fs.writeFileSync('./examples/globals.js', jsOutput, 'utf8')
+
+// Generate globals.d.ts
+const dtsOutput = Object.entries(envVars)
+    .map(([key, value]) => `export const ${key}: ${typeof value}`)
+    .join('\n') + '\n'
+
+fs.writeFileSync('./examples/globals.d.ts', dtsOutput, 'utf8')
+
+console.log('✅ globals.js and globals.d.ts generated.')