const { promises: fs } = require('fs') const oneSky = require('@brainly/onesky-utils') const sanitizeHtml = require('sanitize-html') const { withAuth } = require('./config') async function run() { try { // The recommended OneSky set-up appears to require an API request to // generate files on their side, which you could then request and use. We // only have 1 such file that appears to be misnamed (en-US, despite our // translations being marked as GB) and very out-of-date. // However by requesting the "multilingual file" for this file, we get all // of the translations const content = await oneSky.getMultilingualFile( withAuth({ fileName: 'en-US.json', }) ) const json = JSON.parse(content) for (const [code, lang] of Object.entries(json)) { if (code === 'en-GB') { // OneSky does not have read-after-write consistency. // Skip the dump of English locales, which may not include locales // that were just uploaded. continue } for (let [key, value] of Object.entries(lang.translation)) { // Handle multi-line strings as arrays by joining on newline if (Array.isArray(value)) { value = value.join('\n') } lang.translation[key] = sanitize(value) } await fs.writeFile( `${__dirname}/../../locales/${code}.json`, JSON.stringify(lang.translation, null, 2) + '\n' ) } } catch (error) { console.error(error) process.exit(1) } } run() /** * Sanitize a translation string to prevent injection attacks * * @param {string} input * @returns {string} */ function sanitize(input) { return sanitizeHtml(input, { // Allow "replacement" tags (in the format <0>, <1>, <2>, etc) used by // react-i18next to allow for HTML insertion via the Trans component. // See: https://github.com/overleaf/developer-manual/blob/master/code/translations.md // Unfortunately the sanitizeHtml library does not accept regexes or a // function for the allowedTags option, so we are limited to a hard-coded // number of "replacement" tags. allowedTags: ['b', 'strong', 'a', 'code', ...range(10)], allowedAttributes: { a: ['href', 'class'], }, textFilter(text) { return text .replace(/\{\{/, '{{') .replace(/\}\}/, '}}') }, }) } /** * Generate a range of numbers as strings up to the given size * * @param {number} size Size of range * @returns {string[]} */ function range(size) { return Array.from(Array(size).keys()).map(n => n.toString()) }