Merge pull request #338 from bem/i336

Add asArray method to request promise with an array of bemfiles

Author: qfox

.eslintrc.js

@@ -3,10 +3,7 @@
 module.exports = {
     root: true,
     parserOptions: {
-        ecmaVersion: 7,
-        "ecmaFeatures": {
-            "experimentalObjectRestSpread": true,
-        },
+        ecmaVersion: 9
     },
     env: {
         node: true,

packages/walk/lib/index.js

@@ -118,3 +118,18 @@ function realpathOrError(path) {
         return e;
     }
 }
+
+/**
+ * Inline version of stream to array
+ *
+ * @returns {Promise<BemFile[]>}
+ */
+module.exports.asArray = function(...args) {
+    return new Promise((resolve, reject) => {
+        const files = [];
+        module.exports(...args)
+            .on('data', file => files.push(file))
+            .on('error', reject)
+            .on('end', () => resolve(files));
+    });
+};

packages/walk/test/index.test.js

@@ -0,0 +1,17 @@
+'use strict';
+
+const { describe, it } = require('mocha');
+const { expect, use } = require('chai');
+use(require('chai-as-promised'));
+
+const { asArray } = require('..');
+
+describe('asArray', () => {
+    it('should return an empty array', async () => {
+        expect(await asArray(['.'])).to.eql([]);
+    });
+
+    it('should throw on incorrect', async () => {
+        expect(asArray(['unknown-direction'])).to.be.rejectedWith(/ENOENT/);
+    });
+});