@jsverse/transloco-keys-manager/webpack-plugin/generate-keys.js

Extract translatable keys from projects that uses Transloco

import { unflatten } from 'flat';
import { sync as globSync } from 'glob';
import { basename } from 'node:path';
import { readFile, writeFile } from '../utils/file.utils.js';
import { mergeDeep } from '../utils/object.utils.js';
function filterLangs(config) {
    return function (path) {
        return config.langs.find((lang) => lang === basename(path).replace(`.${config.fileFormat}`, ''));
    };
}
/**
 * In use in the Webpack Plugin
 */
export function generateKeys({ translationPath, scopeToKeys, config }) {
    const scopePaths = config.scopePathMap || {};
    let result = [];
    for (const [scope, path] of Object.entries(scopePaths)) {
        const keys = scopeToKeys[scope];
        if (keys) {
            result.push({
                keys,
                files: globSync(`${path}/*.${config.fileFormat}`).filter(filterLangs(config)),
            });
        }
    }
    for (const [scope, keys] of Object.entries(scopeToKeys)) {
        if (keys) {
            const isGlobal = scope === '__global';
            result.push({
                keys,
                files: globSync(`${translationPath}/${isGlobal ? '' : scope}*.${config.fileFormat}`).filter(filterLangs(config)),
            });
        }
    }
    for (let { files, keys } of result) {
        if (config.unflat) {
            keys = unflatten(keys);
        }
        for (const filePath of files) {
            const translation = readFile(filePath, { parse: true });
            writeFile(filePath, mergeDeep({}, keys, translation));
        }
    }
}
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