Function resolve

server/src/files.ts:104–177

(moduleName: string, nodePath: string | undefined, cwd: string | undefined, tracer: (message: string, verbose?: string) => void)

export function resolve(moduleName: string, nodePath: string | undefined, cwd: string | undefined, tracer: (message: string, verbose?: string) => void): Thenable<string> {
	interface Message {
		c: string;
		s?: boolean;
		a?: any;
		r?: any
	}

	const nodePathKey: string = 'NODE_PATH';

	const app: string = [
		"var p = process;",
		"p.on('message',function(m){",
		"if(m.c==='e'){",
		"p.exit(0);",
		"}",
		"else if(m.c==='rs'){",
		"try{",
		"var r=require.resolve(m.a);",
		"p.send({c:'r',s:true,r:r});",
		"}",
		"catch(err){",
		"p.send({c:'r',s:false});",
		"}",
		"}",
		"});"
	].join('');

	return new Promise<any>((resolve, reject) => {
		let env = process.env;
		let newEnv = Object.create(null);
		Object.keys(env).forEach(key => newEnv[key] = env[key]);

		if (nodePath) {
			if (newEnv[nodePathKey]) {
				newEnv[nodePathKey] = nodePath + path.delimiter + newEnv[nodePathKey];
			} else {
				newEnv[nodePathKey] = nodePath;
			}
			if (tracer) {
				tracer(`NODE_PATH value is: ${newEnv[nodePathKey]}`);
			}
		}
		newEnv['ATOM_SHELL_INTERNAL_RUN_AS_NODE'] = '1';
		try {
			let cp: ChildProcess = fork('', [], <any>{
				cwd: cwd,
				env: newEnv,
				execArgv: ['-e', app]
			});
			cp.on('error', (error: any) => {
				reject(error);
			});
			cp.on('message', (message: Message) => {
				if (message.c === 'r') {
					cp.send({ c: 'e' });
					if (message.s) {
						resolve(message.r);