mongaku/mongaku

/**
 * Extract translatable strings from Mongaku and the app code.
 */

const fs = require("fs");
const path = require("path");
const {execFile} = require("child_process");

const glob = require("glob");

const config = require("../lib/config");

const translationsDir = config.TRANSLATIONS_DIR;
const mongakuRoot = path.resolve(__dirname, "..", "..");
const jsxgettext = path.resolve(
    mongakuRoot,
    "node_modules",
    ".bin",
    "babel-jsxgettext",
);
const mongakuBuildRoot = path.resolve(mongakuRoot, "build");
const mongakuSrcRoot = path.resolve(mongakuRoot, "src");
const mongakuTypesRoot = path.resolve(mongakuRoot, "types");

module.exports = (args, callback) => {
    if (!fs.existsSync(translationsDir)) {
        fs.mkdirSync(translationsDir);
    }

    // mongaku/build/**/*.js mongaku.js translations/messages.po
    const globPath = `{${mongakuBuildRoot}/**/*.js,${process.cwd()}/**/*.js}`;

    glob(
        globPath,
        {
            ignore: [
                `${mongakuSrcRoot}/**/*.js`,
                `${mongakuTypesRoot}/**/*.js`,
                `${mongakuBuildRoot}/**/node_modules/**/*.js`,
                `${process.cwd()}/**/node_modules/**/*.js`,
            ],
        },
        (err, files) => {
            const relativeFiles = files.map(file =>
                path.relative(process.cwd(), file),
            );
            execFile(
                jsxgettext,
                [
                    ...relativeFiles,
                    path.relative(
                        process.cwd(),
                        path.resolve(translationsDir, "messages.po"),
                    ),
                ],
                callback,
            );
        },
    );
};