build.ts

/**
 * Remove old files, copy front-end ones.
 */

import fs from "fs-extra";
import logger from "jet-logger";
import childProcess from "child_process";

(async () => {
	try {
		// Remove current build
		await remove("./dist/");
		// Copy front-end files
		//  await copy('./src/public', './dist/public');
		// await copy('./src/views', './dist/views');
		// Copy production env file
		// await copy('./src/pre-start/env/production.env', './dist/pre-start/env/production.env');
		// Copy back-end files
		await exec("tsc", "./");
	} catch (err) {
		logger.err(err);
	}
})();

function remove(loc: string): Promise<void> {
	return new Promise((res, rej) => {
		return fs.remove(loc, (err: any) => {
			return !!err ? rej(err) : res();
		});
	});
}

function copy(src: string, dest: string): Promise<void> {
	return new Promise((res, rej) => {
		return fs.copy(src, dest, (err: any) => {
			return !!err ? rej(err) : res();
		});
	});
}

function exec(cmd: string, loc: string): Promise<void> {
	return new Promise((res, rej) => {
		return childProcess.exec(cmd, { cwd: loc }, (err: any, stdout: any, stderr: any) => {
			if (!!stdout) {
				logger.info(stdout);
			}
			if (!!stderr) {
				logger.warn(stderr);
			}
			return !!err ? rej(err) : res();
		});
	});
}