@braineet/eslint-plugin/src/utils/translations.js

/* eslint-disable import/no-extraneous-dependencies */
const fastGlob = require('fast-glob');
const flat = require('flat');
const fs = require('fs');
const has = require('lodash.has');

function getTranslations(cwd, location) {
    const translations = Object.fromEntries(
        location.flatMap(source => {
            const filePaths = fastGlob.sync(source, { cwd: process.cwd() });
            return filePaths.map(filePath => {
                const raw = fs.readFileSync(filePath, 'utf-8');
                let parsed;
                try {
                    parsed = JSON.parse(raw);
                } catch {
                    throw new Error(
                        "Invalid translation file: the file's content is not a valid JSON document",
                    );
                }
                if (!parsed || typeof parsed !== 'object') {
                    throw new Error(
                        "Invalid translation file: the file's content should contain a JSON object",
                    );
                }
                return [filePath, parsed];
            });
        }),
    );

    return translations;
}

function getKeysFromTranslations(translations) {
    return new Set(
        Object.values(translations).flatMap(translation =>
            Object.keys(flat(translation)),
        ),
    );
}

function hasKeyInTranslation(translation, key) {
    return has(translation, key);
}

module.exports = {
    getTranslations,
    getKeysFromTranslations,
    hasKeyInTranslation,
};