Add support for node_modules.asar in the shared process

wminos · Jan 29, 2018 · f7f8e9c · f7f8e9c
1 parent e4d6731
commit f7f8e9c
Showing 1 changed file with 29 additions and 1 deletion.
diff --git a/src/vs/code/electron-browser/sharedProcess/sharedProcess.js b/src/vs/code/electron-browser/sharedProcess/sharedProcess.js
@@ -57,6 +57,34 @@ function main() {
 	const args = parseURLQueryArgs();
 	const configuration = JSON.parse(args['config'] || '{}') || {};
 
+	//#region Add support for using node_modules.asar
+	(function () {
+		const path = require('path');
+		const Module = require('module');
+		let NODE_MODULES_PATH = path.join(configuration.appRoot, 'node_modules');
+		if (/[a-z]\:/.test(NODE_MODULES_PATH)) {
+			// Make drive letter uppercase
+			NODE_MODULES_PATH = NODE_MODULES_PATH.charAt(0).toUpperCase() + NODE_MODULES_PATH.substr(1);
+		}
+		const NODE_MODULES_ASAR_PATH = NODE_MODULES_PATH + '.asar';
+
+		const originalResolveLookupPaths = Module._resolveLookupPaths;
+		Module._resolveLookupPaths = function (request, parent) {
+			const result = originalResolveLookupPaths(request, parent);
+
+			const paths = result[1];
+			for (let i = 0, len = paths.length; i < len; i++) {
+				if (paths[i] === NODE_MODULES_PATH) {
+					paths.splice(i, 0, NODE_MODULES_ASAR_PATH);
+					break;
+				}
+			}
+
+			return result;
+		};
+	})();
+	//#endregion
+
 	// Correctly inherit the parent's environment
 	assign(process.env, configuration.userEnv);
 
@@ -84,7 +112,7 @@ function main() {
 				bundles[bundle] = json;
 				cb(undefined, json);
 			})
-			.catch(cb);
+				.catch(cb);
 		};
 	}