Cleans up build scripts (#5097)

* Cleans up build scripts

* Adds back removeDir

build/amd/rollup-types.config.mjs

@@ -9,45 +9,22 @@ import nodeResolve from '@rollup/plugin-node-resolve';
 import { join } from 'path';
 import { defineConfig } from 'rollup';
 import { dts } from 'rollup-plugin-dts';
-
+import { dtsDeprecationWarning, mapModuleId } from '../shared.mjs';
-const root = join(import.meta.dirname, '../../');
-const outDir = join(import.meta.dirname, './out');
-
-/**
- * @param {string} filePath
- * @param {string} newExt
- */
-function changeExt(filePath, newExt) {
-	const idx = filePath.lastIndexOf('.');
-	if (idx === -1) {
-		return filePath + newExt;
-	} else {
-		return filePath.substring(0, idx) + newExt;
-	}
-}
-
-const mappedPaths = {
-	[join(root, 'node_modules/monaco-editor-core/esm/')]: '.',
-	[join(root, 'node_modules/')]: 'external/',
-	[join(root, 'src/')]: 'vs/'
-};
 
 export default defineConfig({
 	input: {
 		types: join(import.meta.dirname, './src/types.ts')
 	},
 	output: {
-		dir: outDir,
+		dir: join(import.meta.dirname, './out'),
 		format: 'es',
 		preserveModules: false,
 		entryFileNames: function (chunkInfo) {
 			const moduleId = chunkInfo.facadeModuleId;
 			if (moduleId) {
-				for (const [key, val] of Object.entries(mappedPaths)) {
+				const m = mapModuleId(moduleId, '.d.ts');
-					if (moduleId.startsWith(key)) {
+				if (m !== undefined) {
-						const relativePath = moduleId.substring(key.length);
+					return m;
-						return changeExt(join(val, relativePath), '.d.ts');
-					}
 				}
 			}
 			return '[name].d.ts';
@@ -61,6 +38,7 @@ export default defineConfig({
 				stripInternal: true
 			},
 			includeExternal: ['monaco-editor-core', '@vscode/monaco-lsp-client']
-		})
+		}),
+		dtsDeprecationWarning(),
 	]
 });

build/amd/vite.config.mjs

@@ -1,23 +1,13 @@
 import { readFileSync } from 'node:fs';
-import { glob } from 'node:fs/promises';
+import { dirname, resolve } from 'node:path';
-import { basename, dirname, join, resolve } from 'node:path';
 import { fileURLToPath } from 'node:url';
 import { defineConfig } from 'vite';
 import { urlToEsmPlugin } from './plugin';
+import { getNlsEntryPoints } from '../shared.mjs';
 
 const __dirname = dirname(fileURLToPath(import.meta.url));
 
 export default defineConfig(async (args) => {
-	const monacoEditorCoreDir = join(
-		dirname(require.resolve('monaco-editor-core/package.json')),
-		'esm'
-	);
-	const nlsEntries = {};
-	for await (const path of glob(`${monacoEditorCoreDir}/nls.messages.*.js`)) {
-		const entryName = basename(path).replace('.js', '');
-		nlsEntries[entryName] = path;
-	}
-
 	/** @type {import('vite').UserConfig} */
 	return {
 		base: './',
@@ -28,7 +18,7 @@ export default defineConfig(async (args) => {
 			lib: {
 				cssFileName: 'editor/editor.main',
 				entry: {
-					...nlsEntries,
+					...getNlsEntryPoints(),
 					'nls.messages-loader': resolve(__dirname, 'src/nls.messages-loader.js'),
 					'editor/editor.main': resolve(__dirname, 'src/editor.main.ts'),
 					'basic-languages/monaco.contribution': resolve(

build/build-monaco-editor.ts

@@ -8,11 +8,11 @@ import fs = require('fs');
 import { REPO_ROOT, readFiles, writeFiles } from '../build/utils';
 import { generateEsmMetadataJsAndDTs } from './releaseMetadata';
 import { buildESM } from './esm/build.script';
-import { removeDir } from './fs';
 import { buildAmdMinDev } from './amd/build.script';
+import { rm } from 'fs/promises';
 
 async function run() {
-	removeDir(`out/monaco-editor`);
+	await rm(path.join(REPO_ROOT, './out/monaco-editor'), { recursive: true, force: true });
 
 	await buildESM();
 	await buildAmdMinDev();

build/esm/rollup-types.config.mjs

@@ -9,46 +9,24 @@ import nodeResolve from '@rollup/plugin-node-resolve';
 import { join } from 'path';
 import { defineConfig } from 'rollup';
 import { dts } from "rollup-plugin-dts";
+import { dtsDeprecationWarning, mapModuleId } from '../shared.mjs';
 
 const root = join(import.meta.dirname, '../../');
-const outDir = join(root, './out/monaco-editor/esm');
-
-/**
- * @param {string} filePath
- * @param {string} newExt
- * @returns {string}
- */
-function changeExt(filePath, newExt) {
-	const idx = filePath.lastIndexOf('.');
-	if (idx === -1) {
-		return filePath + newExt;
-	} else {
-		return filePath.substring(0, idx) + newExt;
-	}
-}
-
-const mappedPaths = {
-	[join(root, 'node_modules/monaco-editor-core/esm/')]: '.',
-	[join(root, 'node_modules/')]: 'external/',
-	[join(root, 'src/')]: 'vs/',
-};
 
 export default defineConfig({
 	input: {
 		entry: join(root, './src/editor/editor.main.ts'),
 	},
 	output: {
-		dir: outDir,
+		dir: join(root, './out/monaco-editor/esm'),
 		format: 'es',
 		preserveModules: false,
 		entryFileNames: function (chunkInfo) {
 			const moduleId = chunkInfo.facadeModuleId;
 			if (moduleId) {
-				for (const [key, val] of Object.entries(mappedPaths)) {
+				const m = mapModuleId(moduleId, '.d.ts');
-					if (moduleId.startsWith(key)) {
+				if (m !== undefined) {
-						const relativePath = moduleId.substring(key.length);
+					return m;
-						return changeExt(join(val, relativePath), '.d.ts');
-					}
 				}
 			}
 			return '[name].d.ts';
@@ -63,5 +41,6 @@ export default defineConfig({
 			},
 			includeExternal: ['monaco-editor-core', '@vscode/monaco-lsp-client']
 		}),
+		dtsDeprecationWarning(),
 	],
 });

build/esm/rollup.config.mjs

@@ -13,48 +13,13 @@ import del from 'rollup-plugin-delete';
 import keepCssImports from './rollup-plugin-keep-css-imports/dist/index.mjs';
 import nodeResolve from '@rollup/plugin-node-resolve';
 import { urlToEsmPlugin } from './rollup-url-to-module-plugin/index.mjs';
-import { copyFileSync, mkdirSync } from 'fs';
+import { getNlsEntryPoints, mapModuleId } from '../shared.mjs';
-import { dirname } from 'path';
+import { readFileSync } from 'fs';
-import { fileURLToPath } from 'url';
+
-import { readdirSync } from 'fs';
 
 const root = join(import.meta.dirname, '../../');
 const outDir = join(root, './out/monaco-editor/esm');
 
-/**
- * @param {string} filePath
- * @param {string} newExt
- * @returns {string}
- */
-function changeExt(filePath, newExt) {
-	const idx = filePath.lastIndexOf('.');
-	if (idx === -1) {
-		return filePath + newExt;
-	} else {
-		return filePath.substring(0, idx) + newExt;
-	}
-}
-
-const mappedPaths = {
-	[join(root, 'node_modules/monaco-editor-core/esm/')]: '.',
-	[join(root, 'node_modules/')]: 'external/',
-	[join(root, 'monaco-lsp-client/')]: 'external/monaco-lsp-client/',
-	[join(root, 'src/')]: 'vs/',
-};
-
-function getNlsEntryPoints() {
-	// Scan for nls.messages.*.js files dynamically
-	const nlsDir = dirname(fileURLToPath(import.meta.resolve('monaco-editor-core/esm/nls.messages.en.js')));
-	const nlsFiles = readdirSync(nlsDir)
-		.filter(file => file.startsWith('nls.messages.') && file.endsWith('.js'))
-		.reduce((acc, file) => {
-			// @ts-ignore
-			acc[file] = join(nlsDir, file);
-			return acc;
-		}, {});
-	return nlsFiles;
-}
-
 export default defineConfig({
 	input: {
 		entry: join(root, './src/editor/editor.main.ts'),
@@ -72,11 +37,9 @@ export default defineConfig({
 		entryFileNames: function (chunkInfo) {
 			const moduleId = chunkInfo.facadeModuleId;
 			if (moduleId) {
-				for (const [key, val] of Object.entries(mappedPaths)) {
+				const r = mapModuleId(moduleId, '.js');
-					if (moduleId.startsWith(key)) {
+				if (r !== undefined) {
-						const relativePath = moduleId.substring(key.length);
+					return r;
-						return changeExt(join(val, relativePath), '.js');
-					}
 				}
 			}
 			return '[name].js';
@@ -90,11 +53,12 @@ export default defineConfig({
 
 		{
 			name: 'copy-codicon-font',
-			buildEnd() {
+			generateBundle() {
-				const codiconSource = join(root, 'node_modules/monaco-editor-core/esm/vs/base/browser/ui/codicons/codicon/codicon.ttf');
+				this.emitFile({
-				const codiconDest = join(outDir, 'vs/base/browser/ui/codicons/codicon/codicon.ttf');
+					type: 'asset',
-				mkdirSync(dirname(codiconDest), { recursive: true });
+					fileName: 'vs/base/browser/ui/codicons/codicon/codicon.ttf',
-				copyFileSync(codiconSource, codiconDest);
+					source: readFileSync(join(root, 'node_modules/monaco-editor-core/esm/vs/base/browser/ui/codicons/codicon/codicon.ttf'))
+				});
 			}
 		},
 
@@ -106,13 +70,10 @@ export default defineConfig({
 			 * @param {string} assetId
 			*/
 			outputPath: (assetId) => {
-				for (const [key, val] of Object.entries(mappedPaths)) {
+				const r = mapModuleId(assetId, '.css');
-					if (assetId.startsWith(key)) {
+				if (r !== undefined) {
-						const relativePath = assetId.substring(key.length);
+					return join(outDir, r);
-						return changeExt(join(outDir, val, relativePath), '.css');
 				}
-				}
-
 				const relativePath = join(outDir, relative(root, assetId));
 				return relativePath.replace(/(\.s[ca]ss)$/, ".min$1")
 			},

build/fs.ts

@@ -29,19 +29,6 @@ export function ensureDir(dirname: string) {
 	});
 }
 
-/**
- * Copy a file.
- */
-export function copyFile(_source: string, _destination: string) {
-	const source = path.join(REPO_ROOT, _source);
-	const destination = path.join(REPO_ROOT, _destination);
-
-	ensureDir(path.dirname(destination));
-	fs.writeFileSync(destination, fs.readFileSync(source));
-
-	console.log(`Copied ${_source} to ${_destination}`);
-}
-
 /**
  * Remove a directory and all its contents.
  */

build/shared.mjs

@@ -0,0 +1,90 @@
+/*---------------------------------------------------------------------------------------------
+ *  Copyright (c) Microsoft Corporation. All rights reserved.
+ *  Licensed under the MIT License. See License.txt in the project root for license information.
+ *--------------------------------------------------------------------------------------------*/
+
+// @ts-check
+
+import { dirname, join } from 'path';
+import { fileURLToPath } from 'url';
+import { readdirSync } from 'fs';
+
+/**
+ * @param {string} filePath
+ * @param {string} newExt
+ */
+export function changeExt(filePath, newExt) {
+	const idx = filePath.lastIndexOf('.');
+	if (idx === -1) {
+		return filePath + newExt;
+	} else {
+		return filePath.substring(0, idx) + newExt;
+	}
+}
+
+export function getNlsEntryPoints() {
+	const nlsDir = dirname(fileURLToPath(import.meta.resolve('monaco-editor-core/esm/nls.messages.en.js')));
+	const nlsFiles = readdirSync(nlsDir)
+		.filter(file => file.startsWith('nls.messages.') && file.endsWith('.js'))
+		.reduce((acc, file) => {
+			// @ts-ignore
+			acc[file] = join(nlsDir, file);
+			return acc;
+		}, {});
+	return nlsFiles;
+}
+
+const root = join(import.meta.dirname, '../');
+
+const mappedPaths = {
+	[join(root, 'node_modules/monaco-editor-core/esm/')]: '.',
+	[join(root, 'node_modules/')]: 'external/',
+	[join(root, 'monaco-lsp-client/')]: 'external/monaco-lsp-client/',
+	[join(root, 'src/')]: 'vs/',
+};
+
+/**
+ * @param {string} moduleId
+ * @param {string} newExt (with leading .)
+ * @returns {string | undefined}
+ */
+export function mapModuleId(moduleId, newExt) {
+	for (const [key, val] of Object.entries(mappedPaths)) {
+		if (moduleId.startsWith(key)) {
+			const relativePath = moduleId.substring(key.length);
+			return changeExt(join(val, relativePath), newExt);
+		}
+	}
+	return undefined;
+}
+
+/** @return {import('rollup').Plugin} */
+export function dtsDeprecationWarning() {
+	return {
+		name: 'add-dts-deprecation-warning',
+		generateBundle(options, bundle) {
+			for (const fileName in bundle) {
+				const file = bundle[fileName];
+				if (file.type === 'chunk' && fileName.endsWith('.d.ts')) {
+					let content = file.code.toString();
+					content = content + `
+declare namespace languages {
+	/** @deprecated Use the new top level "css" namespace instead. */
+	export const css: { deprecated: true };
+
+	/** @deprecated Use the new top level "html" namespace instead. */
+	export const html: { deprecated: true };
+
+	/** @deprecated Use the new top level "json" namespace instead. */
+	export const json: { deprecated: true };
+
+	/** @deprecated Use the new top level "typescript" namespace instead. */
+	export const typescript: { deprecated: true };
+}
+`;
+					file.code = content;
+				}
+			}
+		}
+	};
+}

monaco-lsp-client/package-lock.json

@@ -21,22 +21,6 @@
 				"monaco-editor-core": "^0.54.0-dev-20250929"
 			}
 		},
-		"../../../hediet/typed-json-rpc/json-rpc": {
-			"name": "@hediet/json-rpc",
-			"version": "0.5.0",
-			"license": "MIT",
-			"devDependencies": {
-				"typescript": "^5.8.3"
-			}
-		},
-		"../../../hediet/typed-json-rpc/json-rpc-browser": {
-			"name": "@hediet/json-rpc-browser",
-			"version": "0.5.1",
-			"license": "MIT",
-			"dependencies": {
-				"@hediet/json-rpc": "^0.5.0"
-			}
-		},
 		"../../../hediet/typed-json-rpc/json-rpc-node": {
 			"name": "@hediet/json-rpc-node",
 			"version": "0.5.0",
@@ -55,16 +39,6 @@
 				"source-map-support": "^0.5.12"
 			}
 		},
-		"../../../hediet/typed-json-rpc/json-rpc-websocket": {
-			"name": "@hediet/json-rpc-websocket",
-			"version": "0.5.1",
-			"license": "MIT",
-			"dependencies": {
-				"@hediet/json-rpc": "^0.5.0",
-				"@types/ws": "^6.0.4",
-				"isomorphic-ws": "^5.0.0"
-			}
-		},
 		"../../hediet/typed-json-rpc/json-rpc-browser": {
 			"extraneous": true
 		},
@@ -170,16 +144,30 @@
 			}
 		},
 		"node_modules/@hediet/json-rpc": {
-			"resolved": "../../../hediet/typed-json-rpc/json-rpc",
+			"version": "0.5.0",
-			"link": true
+			"resolved": "https://registry.npmjs.org/@hediet/json-rpc/-/json-rpc-0.5.0.tgz",
+			"integrity": "sha512-SApO7NbKJztClcznEqg46ZGQzO2v3Q3gVIuRVC9QE/m75J/5AipJdclxEXgT++7j4x4LI2JjEpf2xhi67Ngu9A==",
+			"license": "MIT"
 		},
 		"node_modules/@hediet/json-rpc-browser": {
-			"resolved": "../../../hediet/typed-json-rpc/json-rpc-browser",
+			"version": "0.5.1",
-			"link": true
+			"resolved": "https://registry.npmjs.org/@hediet/json-rpc-browser/-/json-rpc-browser-0.5.1.tgz",
+			"integrity": "sha512-iR+WrTdM7WozRJ/MElfeT8CmH2f911Y8P6xfcj5RCfywp7kjnnqKPUV/VnNnzToxRZUO8WAfJtLvmhDBsSjMtA==",
+			"license": "MIT",
+			"dependencies": {
+				"@hediet/json-rpc": "^0.5.0"
+			}
 		},
 		"node_modules/@hediet/json-rpc-websocket": {
-			"resolved": "../../../hediet/typed-json-rpc/json-rpc-websocket",
+			"version": "0.5.1",
-			"link": true
+			"resolved": "https://registry.npmjs.org/@hediet/json-rpc-websocket/-/json-rpc-websocket-0.5.1.tgz",
+			"integrity": "sha512-1H9UjKyR00ZjwcReQdzTxyEoZKaEubeOvxBVrwHGo4n9HeQt6SvQgtef+1AJ9MT7/sV2Qfe0VWarYivx6BWgIA==",
+			"license": "MIT",
+			"dependencies": {
+				"@hediet/json-rpc": "^0.5.0",
+				"@types/ws": "^6.0.4",
+				"isomorphic-ws": "^5.0.0"
+			}
 		},
 		"node_modules/@jridgewell/gen-mapping": {
 			"version": "0.3.13",
@@ -888,6 +876,24 @@
 			"license": "MIT",
 			"peer": true
 		},
+		"node_modules/@types/node": {
+			"version": "24.10.0",
+			"resolved": "https://registry.npmjs.org/@types/node/-/node-24.10.0.tgz",
+			"integrity": "sha512-qzQZRBqkFsYyaSWXuEHc2WR9c0a0CXwiE5FWUvn7ZM+vdy1uZLfCunD38UzhuB7YN/J11ndbDBcTmOdxJo9Q7A==",
+			"license": "MIT",
+			"dependencies": {
+				"undici-types": "~7.16.0"
+			}
+		},
+		"node_modules/@types/ws": {
+			"version": "6.0.4",
+			"resolved": "https://registry.npmjs.org/@types/ws/-/ws-6.0.4.tgz",
+			"integrity": "sha512-PpPrX7SZW9re6+Ha8ojZG4Se8AZXgf0GK6zmfqEuCsY49LFDNXO3SByp44X3dFEqtB73lkCDAdUazhAjVPiNwg==",
+			"license": "MIT",
+			"dependencies": {
+				"@types/node": "*"
+			}
+		},
 		"node_modules/ansis": {
 			"version": "4.2.0",
 			"resolved": "https://registry.npmjs.org/ansis/-/ansis-4.2.0.tgz",
@@ -1176,6 +1182,15 @@
 				"url": "https://github.com/sponsors/sindresorhus"
 			}
 		},
+		"node_modules/isomorphic-ws": {
+			"version": "5.0.0",
+			"resolved": "https://registry.npmjs.org/isomorphic-ws/-/isomorphic-ws-5.0.0.tgz",
+			"integrity": "sha512-muId7Zzn9ywDsyXgTIafTry2sV3nySZeUDe6YedVd1Hvuuep5AsIlqK+XefWpYTyJG5e503F2xIuT2lcU6rCSw==",
+			"license": "MIT",
+			"peerDependencies": {
+				"ws": "*"
+			}
+		},
 		"node_modules/jsesc": {
 			"version": "3.1.0",
 			"resolved": "https://registry.npmjs.org/jsesc/-/jsesc-3.1.0.tgz",
@@ -1547,6 +1562,12 @@
 			"license": "0BSD",
 			"optional": true
 		},
+		"node_modules/undici-types": {
+			"version": "7.16.0",
+			"resolved": "https://registry.npmjs.org/undici-types/-/undici-types-7.16.0.tgz",
+			"integrity": "sha512-Zz+aZWSj8LE6zoxD+xrjh4VfkIG8Ya6LvYkZqtUQGJPZjYl53ypCaUwWqo7eI0x66KBGeRo+mlBEkMSeSZ38Nw==",
+			"license": "MIT"
+		},
 		"node_modules/unicorn-magic": {
 			"version": "0.3.0",
 			"resolved": "https://registry.npmjs.org/unicorn-magic/-/unicorn-magic-0.3.0.tgz",
@@ -1559,6 +1580,28 @@
 			"funding": {
 				"url": "https://github.com/sponsors/sindresorhus"
 			}
+		},
+		"node_modules/ws": {
+			"version": "8.18.3",
+			"resolved": "https://registry.npmjs.org/ws/-/ws-8.18.3.tgz",
+			"integrity": "sha512-PEIGCY5tSlUt50cqyMXfCzX+oOPqN0vuGqWzbcJ2xvnkzkq46oOpz7dQaTDBdfICb4N14+GARUDw2XV2N4tvzg==",
+			"license": "MIT",
+			"peer": true,
+			"engines": {
+				"node": ">=10.0.0"
+			},
+			"peerDependencies": {
+				"bufferutil": "^4.0.1",
+				"utf-8-validate": ">=5.0.2"
+			},
+			"peerDependenciesMeta": {
+				"bufferutil": {
+					"optional": true
+				},
+				"utf-8-validate": {
+					"optional": true
+				}
+			}
 		}
 	}
 }