scan builtin extensions

build/lib/extensions.ts

@@ -78,7 +78,7 @@ function fromLocal(extensionPath: string, forWeb: boolean): Stream {
 		});
 	}
 
-	return minimizeLanguageJSON(input)
+	return minimizeLanguageJSON(input);
 }
 
 
@@ -307,3 +307,35 @@ export function packageMarketplaceWebExtensionsStream(builtInExtensions: IBuiltI
 		});
 	return es.merge(extensions);
 }
+
+export interface IScannedBuiltinExtension {
+	extensionPath: string,
+	packageJSON: any,
+	packagsNLSPath?: string,
+	readmePath?: string,
+	changelogPath?: string,
+}
+
+export function scanBuiltinExtensions(extensionsRoot: string, forWeb: boolean): IScannedBuiltinExtension[] {
+	const scannedExtensions: IScannedBuiltinExtension[] = [];
+	const extensionsFolders = fs.readdirSync(extensionsRoot);
+	for (const extensionFolder of extensionsFolders) {
+		const packageJSON = JSON.parse(fs.readFileSync(path.join(extensionsRoot, extensionFolder, 'package.json')).toString('utf8'));
+		const extensionKind: string[] = packageJSON['extensionKind'] || [];
+		if (forWeb && extensionKind.indexOf('web') === -1) {
+			continue;
+		}
+		const children = fs.readdirSync(path.join(extensionsRoot, extensionFolder));
+		const packageNLS = children.filter(child => child === 'package.nls.json')[0];
+		const readme = children.filter(child => /^readme(\.txt|\.md|)$/i.test(child))[0];
+		const changelog = children.filter(child => /^changelog(\.txt|\.md|)$/i.test(child))[0];
+		scannedExtensions.push({
+			extensionPath: extensionFolder,
+			packageJSON: packageJSON,
+			packagsNLSPath: packageNLS ? path.join(extensionFolder, packageNLS) : undefined,
+			readmePath: readme ? path.join(extensionFolder, readme) : undefined,
+			changelogPath: changelog ? path.join(extensionFolder, changelog) : undefined,
+		});
+	}
+	return scannedExtensions;
+}