@floatwork/grunt-po2mo/tasks/po2mo.js

Compiles .po files into binary .mo files with `msgfmt`

/*
 * grunt-po2mo
 * https://github.com/fltwrk/grunt-po2mo
 *
 * Copyright (c) 2013-2019 Michele Bertoli, floatwork_
 * Licensed under the MIT license.
 */

"use strict";

const { spawnSync } = require("child_process");

module.exports = function (grunt) {
	grunt.registerMultiTask(
		"po2mo",
		"Compiles .po files into binary .mo files with msgfmt.",
		function () {
			const options = this.options({
				alignment: 1,
				checkAccelerators: null,
				checkCompatibility: false,
				checkDomain: false,
				checkFormat: false,
				checkHeader: false,
				deleteSrc: false,
				endianness: null,
				noHash: false,
				useFuzzy: false,
			});

			this.files.forEach(function (file) {
				const src = file.src[0];
				let dest = file.dest;

				if (dest.indexOf(".po") > -1) {
					dest = dest.replace(".po", ".mo");
				}

				// Default arguments
				const args = ["--output", dest, src];

				// Add custom arguments
				if (options.alignment && !isNaN(options.alignment)) {
					args.unshift("--alignment", options.alignment);
				}

				if (options.checkFormat) {
					args.unshift("--check-format");
				}

				if (options.checkHeader) {
					args.unshift("--check-header");
				}

				if (options.checkDomain) {
					args.unshift("--check-domain");
				}

				if (options.checkCompatibility) {
					args.unshift("--check-compatibility");
				}

				if (options.checkAccelerators) {
					args.unshift("--check-accelerators", options.accelerators);
				}

				if (options.endianness) {
					args.unshift("--endianness", options.endianness);
				}

				if (options.noHash) {
					args.unshift("--no-hash");
				}

				if (options.useFuzzy) {
					args.unshift("--use-fuzzy");
				}

				grunt.file.write(dest);
				grunt.verbose.writeln("Executing:", "msgfmt", args.join(" ").trim());

				const result = spawnSync("msgfmt", args);

				grunt.verbose.writeln("Executed with status:", result.status);

				if (result.status !== 0) {
					grunt.log.error(result.stderr);
				}

				if (options.deleteSrc) {
					grunt.file.delete(src);
				}
			});
		}
	);
};