Run our build scripts directly as typescript (#277567)

* Run our build scripts directly as typescript #277567

Follow up on #276864
For #277526

* Remove a few more ts-node references

* Fix linux and script reference

* Remove `_build-script` ref

* Fix script missing closing quote

* use type only import

* Fix export

* Make sure to run copy-policy-dto

* Make sure we run the copy-policy-dto script

* Enable `verbatimModuleSyntax`

* Pipelines fixes

* Try adding explicit ext to path

* Fix bad edit

* Revert extra `--`

---------

Co-authored-by: João Moreno <joaomoreno@users.noreply.github.com>

package.json

@@ -18,7 +18,7 @@
     "test-build-scripts": "cd build && npm run test",
     "preinstall": "node build/npm/preinstall.js",
     "postinstall": "node build/npm/postinstall.js",
-    "compile": "node ./node_modules/gulp/bin/gulp.js compile",
+    "compile": "npm run gulp compile",
     "compile-check-ts-native": "tsgo --project ./src/tsconfig.json --noEmit --skipLibCheck",
     "watch": "npm-run-all -lp watch-client watch-extensions",
     "watchd": "deemon npm run watch",
@@ -35,20 +35,20 @@
     "kill-watch-extensionsd": "deemon --kill npm run watch-extensions",
     "precommit": "node build/hygiene.mjs",
     "gulp": "node --max-old-space-size=8192 ./node_modules/gulp/bin/gulp.js",
-    "electron": "node build/lib/electron",
+    "electron": "node build/lib/electron.ts",
     "7z": "7z",
     "update-grammars": "node build/npm/update-all-grammars.mjs",
     "update-localization-extension": "node build/npm/update-localization-extension.js",
     "mixin-telemetry-docs": "node build/npm/mixin-telemetry-docs.mjs",
-    "smoketest": "node build/lib/preLaunch.js && cd test/smoke && npm run compile && node test/index.js",
+    "smoketest": "node build/lib/preLaunch.ts && cd test/smoke && npm run compile && node test/index.js",
     "smoketest-no-compile": "cd test/smoke && node test/index.js",
-    "download-builtin-extensions": "node build/lib/builtInExtensions.js",
-    "download-builtin-extensions-cg": "node build/lib/builtInExtensionsCG.js",
+    "download-builtin-extensions": "node build/lib/builtInExtensions.ts",
+    "download-builtin-extensions-cg": "node build/lib/builtInExtensionsCG.ts",
     "monaco-compile-check": "tsgo --project src/tsconfig.monaco.json --noEmit",
     "tsec-compile-check": "node node_modules/tsec/bin/tsec -p src/tsconfig.tsec.json",
     "vscode-dts-compile-check": "tsgo --project src/tsconfig.vscode-dts.json && tsgo --project src/tsconfig.vscode-proposed-dts.json",
-    "valid-layers-check": "node build/checker/layersChecker.js && tsgo --project build/checker/tsconfig.browser.json && tsgo --project build/checker/tsconfig.worker.json && tsgo --project build/checker/tsconfig.node.json && tsgo --project build/checker/tsconfig.electron-browser.json && tsgo --project build/checker/tsconfig.electron-main.json && tsgo --project build/checker/tsconfig.electron-utility.json",
-    "define-class-fields-check": "node build/lib/propertyInitOrderChecker.js && tsgo --project src/tsconfig.defineClassFields.json",
+    "valid-layers-check": "node build/checker/layersChecker.ts && tsgo --project build/checker/tsconfig.browser.json && tsgo --project build/checker/tsconfig.worker.json && tsgo --project build/checker/tsconfig.node.json && tsgo --project build/checker/tsconfig.electron-browser.json && tsgo --project build/checker/tsconfig.electron-main.json && tsgo --project build/checker/tsconfig.electron-utility.json",
+    "define-class-fields-check": "node build/lib/propertyInitOrderChecker.ts && tsgo --project src/tsconfig.defineClassFields.json",
     "update-distro": "node build/npm/update-distro.mjs",
     "web": "echo 'npm run web' is replaced by './scripts/code-server' or './scripts/code-web'",
     "compile-cli": "gulp compile-cli",
@@ -211,7 +211,6 @@
     "source-map-support": "^0.3.2",
     "style-loader": "^3.3.2",
     "ts-loader": "^9.5.1",
-    "ts-node": "^10.9.1",
     "tsec": "0.2.7",
     "tslib": "^2.6.3",
     "typescript": "^6.0.0-dev.20251110",