Added script for checking language strings.

scripts/check-lang.js

@@ -0,0 +1,24 @@
+const fs = require('fs');
+const path = require('path');
+const chalk = require('chalk');
+const messages = require('../lang/en-US.json');
+
+const dir = path.resolve(__dirname, '../lang');
+const files = fs.readdirSync(dir);
+const keys = Object.keys(messages).sort();
+
+files.forEach(file => {
+  if (file !== 'en-US.json') {
+    const lang = require(`../lang/${file}`);
+
+    console.log(chalk.yellowBright(`\n## ${file}`));
+    keys.forEach(key => {
+      const orig = messages[key];
+      const check = lang[key];
+
+      if (!check || check === orig) {
+        console.log(chalk.redBright('*'), chalk.greenBright(`${key}:`), orig);
+      }
+    });
+  }
+});