@mediafly/translate/src/read-file.js

Translate strings extracted from apps using Google Translate

const _ = require('lodash')
const path = require('path')
const fs = require('fs')
const config = require(path.join(process.cwd(), 'mediafly-translate.config'))
const format = require('./format')
const xmlJs = require('xml-js')
const { getTranslationsDir, requireOrDefault } = require('./util')

const TRANSLATIONS_DIRECTORY = getTranslationsDir()


function isValid(line) {
	const isValid = line.match(/"(.|\u2028)*" = "(.|\u2028)*"/g)
	if (!isValid) {
		console.log(`Skipping ${line}`)
	}
	return isValid
}

module.exports = {
	read: function(filePath, defaultValue = {}) {
		if (config.format === 'strings') {
			if (!fs.existsSync(`${TRANSLATIONS_DIRECTORY}/${filePath}.strings`)) {
				return defaultValue
			}
			let contents = fs.readFileSync(`${TRANSLATIONS_DIRECTORY}/${filePath}.strings`, 'ucs2')
			let obj = {}
			format.separateByNewLines(contents)
				.filter(line => isValid(line))
				.forEach(s => {
					obj[format.parseKey(s)] = format.parseValue(s)
				})
			return obj
		}
		else if (config.format === 'xml') {
			//read the xml file and return a JavaScript object
			if (!fs.existsSync(`${TRANSLATIONS_DIRECTORY}/${filePath}.xml`)) {
				return defaultValue
			}
			let contents = fs.readFileSync(`${TRANSLATIONS_DIRECTORY}/${filePath}.xml`)
			const json = xmlJs.xml2js(contents, { compact: true })
			let obj = {}

			if (_.get(json, 'resources.string')) {
				_.each(json.resources.string, s => _.set(obj, s._attributes.name, s._text))
			}

			return _.mapValues(obj, value => format.removeEscapedCharsForAndroid(value))
		} else {
			return requireOrDefault(`${TRANSLATIONS_DIRECTORY}/${filePath}`, defaultValue)
		}
	}
}