gotta-go-fast/util/fs.js

Cross-platform shell shortcuts

"use strict";

const fs = require("fs");

function writeFile(path, data) {
	return new Promise((resolve, reject) => {
		fs.writeFile(path, data, (err) => {
			if (err) {
				console.error(err);
				reject(err);
				return;
			}

			resolve();
		});
	});
}

function readFile(path) {
	return new Promise((resolve, reject) => {
		fs.readFile(path, "utf8", (err, body) => {
			if (err) {
				console.error(err);
				reject(err);
				return;
			}

			resolve(body);
		});
	})
}

function isFileSync(path) {
	try {
		let stat = fs.statSync(path);

		return stat.isFile();
	} catch(e) {
		return false;
	}
}

function filterCopyFile(path, out, filter) {
	return readFile(path)
		.then(filter)
		.then(result => writeFile(out, result));
}

function dataCopyFile(inPath, outPath, data) {
	return filterCopyFile(inPath, outPath, (body) => {
		return body.replace(/{{([^}]+)}}/g, (whole, key) => {
			return data[key];
		});
	});
}

function mkdir(path) {
	return new Promise((resolve, reject) => {
		fs.mkdir(path, (err) => {
			resolve();
		});
	});
}

module.exports = {writeFile, readFile, mkdir, filterCopyFile, dataCopyFile, isFileSync};