Adds YAML support

__snapshots__/test.js.snap

@@ -67,3 +67,15 @@ exports[`Test Fixtures unused-translations 1`] = `
  👏  No missing translations were found!
 "
 `;
+
+exports[`Test Fixtures yaml-translations 1`] = `
+"[1/4] 🔍  Finding JS and HBS files...
+[2/4] 🔍  Searching for translations keys in JS and HBS files...
+[3/4] ⚙️   Checking for unused translations...
+[4/4] ⚙️   Checking for missing translations...
+
+ 👏  No unused translations were found!
+
+ 👏  No missing translations were found!
+"
+`;

fixtures/yaml-translations/app/controllers/application.js

@@ -0,0 +1,7 @@
+import Controller from '@ember/controller';
+
+export default Controller.extend({
+  foo: computed('intl.locale', function() {
+    return this.intl.t('js-translation');
+  }),
+});

fixtures/yaml-translations/app/templates/application.hbs

@@ -0,0 +1 @@
+{{t "hbs-translation"}}

fixtures/yaml-translations/translations/de.yaml

@@ -0,0 +1,2 @@
+hbs-translation: Lenkstage
+js-translation: Affentheater

fixtures/yaml-translations/translations/en.yaml

@@ -0,0 +1,2 @@
+hbs-translation: HBS!
+js-translation: JS!

index.js

@@ -9,6 +9,7 @@ const BabelParser = require('@babel/parser');
 const traverse = require('@babel/traverse').default;
 const Glimmer = require('@glimmer/syntax');
 const Emblem = require('emblem').default;
+const YAML = require('yaml');
 
 async function run(rootDir, options = {}) {
   let log = options.log || console.log;
@@ -89,7 +90,9 @@ async function findAppFiles(cwd) {
 }
 
 async function findTranslationFiles(cwd) {
-  return globby(['translations/**/*.json'], { cwd });
+  return globby(['translations/**/*.json', 'translations/**/*.yaml', 'translations/**/*.yml'], {
+    cwd,
+  });
 }
 
 async function analyzeFiles(cwd, files) {
@@ -197,8 +200,8 @@ async function analyzeTranslationFiles(cwd, files) {
 
   for (let file of files) {
     let content = fs.readFileSync(`${cwd}/${file}`, 'utf8');
-    let json = JSON.parse(content);
-    forEachTranslation(json, key => {
+    let translations = YAML.parse(content); // json is valid yaml
+    forEachTranslation(translations, key => {
       if (!existingTranslationKeys.has(key)) {
         existingTranslationKeys.set(key, new Set());
       }

package.json

@@ -26,7 +26,8 @@
     "emblem": "^0.12.1",
     "esm": "^3.2.25",
     "globby": "^10.0.1",
-    "pkg-dir": "^4.2.0"
+    "pkg-dir": "^4.2.0",
+    "yaml": "^1.6.0"
   },
   "devDependencies": {
     "eslint": "^6.2.2",