freeCodeCamp/client/i18n/validate-keys.js

99 lines
3.4 KiB
JavaScript

const fs = require('fs');
const path = require('path');
const translationsObject = require('./locales/english/translations.json');
const introObject = require('./locales/english/intro.json');
const metaObject = require('./locales/english/meta-tags.json');
const motivationObject = require('./locales/english/motivation.json');
const trendingObject = require('./locales/english/trending.json');
const linksObject = require('./locales/english/links.json');
/**
* Function to flatten a nested object. Written specifically for
* our translation flow, the `namespace` value is used to create the
* property chains that are used in the i18n replacement scripts.
* @param {Object} obj
* @param {string} namespace
*/
const flattenAnObject = (obj, namespace = '') => {
const flattened = {};
Object.keys(obj).forEach(key => {
if (Array.isArray(obj[key])) {
flattened[namespace ? `${namespace}.${key}` : key] = obj[key];
} else if (typeof obj[key] === 'object') {
Object.assign(
flattened,
flattenAnObject(obj[key], namespace ? `${namespace}.${key}` : key)
);
} else {
flattened[namespace ? `${namespace}.${key}` : key] = obj[key];
}
});
return flattened;
};
const translationKeys = Object.keys(flattenAnObject(translationsObject));
const metaKeys = Object.keys(flattenAnObject(metaObject));
const motivationKeys = Object.keys(flattenAnObject(motivationObject));
const introKeys = Object.keys(flattenAnObject(introObject));
const trendingKeys = Object.keys(flattenAnObject(trendingObject));
const linksKeys = Object.keys(flattenAnObject(linksObject));
/**
* Recursively read through the directory, grabbing .js files
* in each nested subdirectory and concatenating them all in
* to one string.
* @param {String} filePath
*/
const readComponentCode = filePath => {
let code = '';
const isItFolder = fs.lstatSync(filePath).isDirectory();
if (isItFolder) {
const contents = fs.readdirSync(filePath);
contents.forEach(file => {
code += readComponentCode(path.join(filePath + '/' + file));
});
} else {
if (!filePath.endsWith('.js') || filePath.endsWith('.test.js')) {
return '';
}
code += fs.readFileSync(filePath);
}
return code;
};
const clientCodebase = readComponentCode(path.join(process.cwd() + '/src'));
const serverCodebase = readComponentCode(
path.join(process.cwd() + '/../api-server/src/server')
);
for (const key of translationKeys) {
if (!clientCodebase.includes(key) && !serverCodebase.includes(key)) {
console.warn(`The translation key '${key}' appears to be unused.`);
}
}
for (const key of motivationKeys) {
if (!clientCodebase.includes(key) && !serverCodebase.includes(key)) {
console.warn(`The motivation key '${key}' appears to be unused.`);
}
}
for (const key of metaKeys) {
if (!clientCodebase.includes(key) && !serverCodebase.includes(key)) {
console.warn(`The meta key '${key}' appears to be unused.`);
}
}
for (const key of introKeys) {
if (!clientCodebase.includes(key) && !serverCodebase.includes(key)) {
console.warn(`The intro key '${key}' appears to be unused.`);
}
}
for (const key of trendingKeys) {
if (!clientCodebase.includes(key) && !serverCodebase.includes(key)) {
console.warn(`The trending key '${key}' appears to be unused.`);
}
}
for (const key of linksKeys) {
if (!clientCodebase.includes(key) && !serverCodebase.includes(key)) {
console.warn(`The links key '${key}' appears to be unused.`);
}
}