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fluent-langneg/src/accepted_languages.js

@@ -0,0 +1,10 @@
+
+export default function aceptedLanguages(string = '') {
+  if (typeof string !== 'string') {
+    throw new TypeError('Argument must be a string');
+  }
+  const tokens = string.split(',').map(t => t.trim());
+  return tokens.filter(t => t !== '').map(t => {
+    return t.split(';')[0];
+  });
+}

fluent-langneg/src/index.js

@@ -7,6 +7,7 @@
  *
  */
 
+export { default as acceptedLanguages } from './accepted_languages';
 import filterMatches from './matches';
 
 function GetOption(options, property, type, values, fallback) {

fluent-langneg/test/headers_test.js

@@ -1,25 +1,25 @@
 import assert from 'assert';
-import parseHeaderIntoArray from '../src/headers';
+import acceptedLanguages from '../src/accepted_languages';
 
 suite('parse headers', () => {
   test('without quality values', () => {
     assert.deepStrictEqual(
-      parseHeaderIntoArray('en-US, fr, pl'), [
+      acceptedLanguages('en-US, fr, pl'), [
         'en-US',
         'fr',
         'pl'
       ]
     );
     assert.deepStrictEqual(
-      parseHeaderIntoArray('sr-Latn'), [
+      acceptedLanguages('sr-Latn'), [
         'sr-Latn'
       ]
     );
   });
 
   test('with quality values', () => {
     assert.deepStrictEqual(
-      parseHeaderIntoArray('fr-CH, fr;q=0.9, en;q=0.8, de;q=0.7, *;q=0.5'), [
+      acceptedLanguages('fr-CH, fr;q=0.9, en;q=0.8, de;q=0.7, *;q=0.5'), [
         'fr-CH',
         'fr',
         'en',
@@ -39,7 +39,7 @@ suite('parse headers', () => {
     ];
 
     args.forEach(arg => {
-      assert.throws(parseHeaderIntoArray.bind(null, arg), TypeError);
+      assert.throws(acceptedLanguages.bind(null, arg), TypeError);
     });
   });
 });