Initial commit to release

packages/node-dev/src/Build.ts

@@ -0,0 +1,63 @@
+import { join } from 'path';
+import { ChildProcess, spawn } from 'child_process';
+
+import { IBuildOptions } from '.';
+
+import {
+	UserSettings,
+} from "n8n-core";
+
+
+/**
+ * Builds and copies credentials and nodes
+ *
+ * @export
+ * @param {IBuildOptions} [options] Options to overwrite default behaviour
+ * @returns {Promise<string>}
+ */
+export async function buildFiles (options?: IBuildOptions): Promise<string> {
+	options = options || {};
+
+	// Get the path of the TypeScript cli of this project
+	const tscPath = join(__dirname, '../../node_modules/typescript/bin/tsc');
+
+	// Get path to simple tsconfig file which should be used for build
+	const tsconfigPath = join(__dirname, '../../src/tsconfig-build.json');
+
+	const outputDirectory = options.destinationFolder || UserSettings.getUserN8nFolderCustomExtensionPath();
+
+	let buildCommand = `${tscPath} --p ${tsconfigPath} --outDir ${outputDirectory}`;
+	if (options.watch === true) {
+		buildCommand += ' --watch';
+	}
+
+	let buildProcess: ChildProcess;
+	try {
+		buildProcess = spawn('node', buildCommand.split(' '), { windowsVerbatimArguments: true, cwd: process.cwd() });
+
+		// Forward the output of the child process to the main one
+		// that the user can see what is happening
+		buildProcess.stdout.pipe(process.stdout);
+		buildProcess.stderr.pipe(process.stderr);
+
+		// Make sure that the child process gets also always terminated
+		// when the main process does
+		process.on('exit', () => {
+			buildProcess.kill();
+		});
+	} catch (error) {
+		let errorMessage = error.message;
+
+		if (error.stdout !== undefined) {
+			errorMessage = `${errorMessage}\nGot following output:\n${error.stdout}`;
+		}
+
+		throw new Error(errorMessage);
+	}
+
+	return new Promise((resolve, reject) => {
+		buildProcess.on('exit', code => {
+			resolve(outputDirectory);
+		});
+	});
+}