Update runTsc.ts

packages/typescript/lib/quickstart/runTsc.ts

@@ -7,6 +7,47 @@ export let getLanguagePlugins: (ts: typeof import('typescript'), options: ts.Cre
 	setup?(language: Language<string>): void,
 } = () => [];
 
+export function runTsc(
+	tscPath: string,
+	options: string[] | {
+		extraSupportedExtensions: string[];
+		extraExtensionsToRemove: string[];
+	},
+	_getLanguagePlugins: typeof getLanguagePlugins
+) {
+	getLanguagePlugins = _getLanguagePlugins;
+
+	const proxyApiPath = require.resolve('../node/proxyCreateProgram');
+	const readFileSync = fs.readFileSync;
+
+	(fs as any).readFileSync = (...args: any[]) => {
+		if (args[0] === tscPath) {
+			let tsc = (readFileSync as any)(...args) as string;
+
+			let extraSupportedExtensions: string[];
+			let extraExtensionsToRemove: string[];
+			if (Array.isArray(options)) {
+				extraSupportedExtensions = options;
+				extraExtensionsToRemove = [];
+			}
+			else {
+				extraSupportedExtensions = options.extraSupportedExtensions;
+				extraExtensionsToRemove = options.extraExtensionsToRemove;
+			}
+
+			return transformTscContent(tsc, proxyApiPath, extraSupportedExtensions, extraExtensionsToRemove);
+		}
+		return (readFileSync as any)(...args);
+	};
+
+	try {
+		require(tscPath);
+	} finally {
+		(fs as any).readFileSync = readFileSync;
+		delete require.cache[tscPath];
+	}
+}
+
 /**
  * Replaces the code of typescript to add support for additional extensions and language plugins.
  * 
@@ -17,15 +58,14 @@ export let getLanguagePlugins: (ts: typeof import('typescript'), options: ts.Cre
  * @param getLanguagePluginsFile - The file to get language plugins from.
  * @returns The modified typescript code.
  */
-export function replaceTscContent(
+export function transformTscContent(
 	tsc: string,
 	proxyApiPath: string,
 	extraSupportedExtensions: string[],
 	extraExtensionsToRemove: string[],
-	getLanguagePluginsFile = __filename,
+	getLanguagePluginsFile = __filename
 ) {
-
-	const needPatchExtenstions = extraSupportedExtensions.filter(ext => !extraExtensionsToRemove.includes(ext));
+	const neededPatchExtenstions = extraSupportedExtensions.filter(ext => !extraExtensionsToRemove.includes(ext));
 
 	// Add allow extensions
 	if (extraSupportedExtensions.length) {
@@ -40,8 +80,8 @@ export function replaceTscContent(
 		tsc = replace(tsc, /extensionsToRemove = .*(?=;)/, s => s + `.concat([${extsText}])`);
 	}
 	// Support for basename.xxx to basename.xxx.d.ts
-	if (needPatchExtenstions.length) {
-		const extsText = needPatchExtenstions.map(ext => `"${ext}"`).join(', ');
+	if (neededPatchExtenstions.length) {
+		const extsText = neededPatchExtenstions.map(ext => `"${ext}"`).join(', ');
 		tsc = replace(tsc, /function changeExtension\(/, s => `function changeExtension(path, newExtension) {
 			return [${extsText}].some(ext => path.endsWith(ext))
 				? path + newExtension
@@ -64,48 +104,6 @@ export function replaceTscContent(
 	return tsc;
 }
 
-export function runTsc(
-	tscPath: string,
-	options: string[] | {
-		extraSupportedExtensions: string[];
-		extraExtensionsToRemove: string[];
-	},
-	_getLanguagePlugins: typeof getLanguagePlugins
-) {
-
-	getLanguagePlugins = _getLanguagePlugins;
-
-	const proxyApiPath = require.resolve('../node/proxyCreateProgram');
-	const readFileSync = fs.readFileSync;
-
-	(fs as any).readFileSync = (...args: any[]) => {
-		if (args[0] === tscPath) {
-			let tsc = (readFileSync as any)(...args) as string;
-
-			let extraSupportedExtensions: string[];
-			let extraExtensionsToRemove: string[];
-			if (Array.isArray(options)) {
-				extraSupportedExtensions = options;
-				extraExtensionsToRemove = [];
-			}
-			else {
-				extraSupportedExtensions = options.extraSupportedExtensions;
-				extraExtensionsToRemove = options.extraExtensionsToRemove;
-			}
-
-			return replaceTscContent(tsc, proxyApiPath, extraSupportedExtensions, extraExtensionsToRemove);
-		}
-		return (readFileSync as any)(...args);
-	};
-
-	try {
-		require(tscPath);
-	} finally {
-		(fs as any).readFileSync = readFileSync;
-		delete require.cache[tscPath];
-	}
-}
-
 function replace(text: string, ...[search, replace]: Parameters<String['replace']>) {
 	const before = text;
 	text = text.replace(search, replace);