Add get-prod-locales and lint-locales scripts

scripts/lint-locales.js

@@ -0,0 +1,51 @@
+#!/usr/bin/env node
+
+const cp = require('child_process');
+const { promisify } = require('util');
+const pkg = require('../package.json');
+const conf = require('../server/config');
+
+const exec = promisify(cp.exec);
+const cmd = `compare-locales l10n.toml . ${getLocales()} --data=json`;
+
+console.log(cmd);
+
+exec(cmd)
+  .then(({ stdout }) => JSON.parse(stdout))
+  .then(({ details }) => filterErrors(details))
+  .then(results => {
+    if (results.length) {
+      results.forEach(({ locale, data }) => {
+        console.log(locale);
+        data.forEach(msg => console.log(`- ${msg}`));
+        console.log('');
+      });
+      process.exit(2);
+    }
+  })
+  .catch(err => {
+    console.error(err);
+    process.exit(1);
+  });
+
+function filterErrors(details) {
+  return Object.keys(details)
+    .sort()
+    .map(locale => {
+      const data = details[locale]
+        .filter(item => item.hasOwnProperty('error'))
+        .map(({ error }) => error);
+      return { locale, data };
+    })
+    .filter(({ data }) => data.length);
+}
+
+function getLocales() {
+  // If we're in a "production" env (or passed the `--production` flag), only
+  // check the locales from the package.json file's `availableLanguages` array.
+  if (conf.env === 'production' || process.argv.includes('--production')) {
+    return pkg.availableLanguages.sort().join(' ');
+  }
+  // Lint all the locales.
+  return '`ls public/locales`';
+}