New definition of 'M', new feature MOZILLA (#51)

* Update definitions.js * Update features.js * Update feature-emulation.helpers.js * Update features.js * Update features.js * Update definitions.js * Update definitions.js * Update definitions.js * Update definitions.js * Update features.js * Update src/lib/definitions.js Co-authored-by: Francesco Trotta <[email protected]> * Update src/lib/features.js Co-authored-by: Francesco Trotta <[email protected]> * Update test/helpers/feature-emulation.helpers.js Co-authored-by: Francesco Trotta <[email protected]> --------- Co-authored-by: Francesco Trotta <[email protected]>
fasttime · Aug 9, 2024 · 43b51b9 · 43b51b9
1 parent c1a6eb9
commit 43b51b9
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Showing 3 changed files with 39 additions and 2 deletions.
diff --git a/src/lib/definitions.js b/src/lib/definitions.js
@@ -384,6 +384,7 @@ function getFHPaddingEntries(index)
  var LOCALE_NUMERALS = Feature.LOCALE_NUMERALS;
  var LOCALE_NUMERALS_EXT = Feature.LOCALE_NUMERALS_EXT;
  var LOCATION = Feature.LOCATION;
+ var MOZILLA = Feature.MOZILLA;
  var NAME = Feature.NAME;
  var NODECONSTRUCTOR = Feature.NODECONSTRUCTOR;
  var NO_FF_SRC = Feature.NO_FF_SRC;
@@ -975,6 +976,7 @@ function getFHPaddingEntries(index)
  define('(RP_0_S + self)[10]', DOMWINDOW),
  define('(RP_4_A + Date())[30]', GMT),
  define('(RP_0_S + Audio)[11]', HTMLAUDIOELEMENT),
+ define('USER_AGENT[0]', MOZILLA),
  ],
  'N': '"NaN"[0]',
  'O':
@@ -1587,6 +1589,17 @@ function getFHPaddingEntries(index)
  define
  ({ expr: '"toUpperCase"', optimize: true, solutionType: SolutionType.COMBINED_STRING }),
  ],
+ USER_AGENT:
+ [
+ define
+ (
+ {
+ expr: 'Function("return navigator")().userAgent',
+ solutionType: SolutionType.STRING,
+ },
+ MOZILLA
+ ),
+ ],
 
  // Function body extra padding blocks: prepended to a function to align the function's body
  // at the same position in different engines, assuming that the function header is aligned.

diff --git a/src/lib/features.js b/src/lib/features.js
@@ -1,4 +1,4 @@
-/* global Audio, Iterator, Node, console, document, history, location, self, statusbar */
+/* global Audio, Iterator, Node, console, document, history, location, navigator, self, statusbar */
 
 import { _Object_defineProperty, _Object_keys, assignNoEnum, createEmpty } from './obj-utils';
 import { createFeatureClass, featuresToMask } from '~feature-hub';
@@ -567,6 +567,18 @@ var featureInfos =
  return available;
  },
  },
+ MOZILLA:
+ {
+ description:
+ 'Existence of user agent string navigator.userAgent that starts with "Mozilla".',
+ check:
+ function ()
+ {
+ var available =
+ typeof navigator === 'object' && /^Mozilla/.test(navigator.userAgent);
+ return available;
+ },
+ },
  NAME:
  {
  description: 'Existence of the name property for functions.',
@@ -816,7 +828,7 @@ var featureInfos =
  description:
  'Features available in all browsers.\n' +
  'No support for Node.js.',
- includes: ['ANY_DOCUMENT', 'ANY_WINDOW', 'HISTORY', 'INCR_CHAR', 'STATUS'],
+ includes: ['ANY_DOCUMENT', 'ANY_WINDOW', 'HISTORY', 'INCR_CHAR', 'MOZILLA', 'STATUS'],
  attributes:
  {
  'char-increment-restriction': null,
@@ -855,6 +867,7 @@ var featureInfos =
  'LOCALE_INFINITY',
  'LOCALE_NUMERALS_EXT',
  'LOCATION',
+ 'MOZILLA',
  'NAME',
  'NO_IE_SRC',
  'NO_OLD_SAFARI_ARRAY_ITERATOR',
@@ -885,6 +898,7 @@ var featureInfos =
  'HISTORY',
  'INCR_CHAR',
  'LOCATION',
+ 'MOZILLA',
  'NAME',
  'STATUS',
  'V8_SRC',
@@ -959,6 +973,7 @@ var featureInfos =
  'LOCALE_INFINITY',
  'LOCALE_NUMERALS_EXT',
  'LOCATION',
+ 'MOZILLA',
  'NAME',
  'NO_OLD_SAFARI_ARRAY_ITERATOR',
  'REGEXP_STRING_ITERATOR',
@@ -1019,6 +1034,7 @@ var featureInfos =
  'LOCALE_INFINITY',
  'LOCALE_NUMERALS_EXT',
  'LOCATION',
+ 'MOZILLA',
  'NAME',
  'NO_OLD_SAFARI_ARRAY_ITERATOR',
  'OBJECT_ARRAY_ENTRIES_CTOR',
@@ -1050,6 +1066,7 @@ var featureInfos =
  'HISTORY',
  'IE_SRC',
  'INCR_CHAR',
+ 'MOZILLA',
  'OBJECT_L_LOCATION_CTOR',
  'STATUS',
  'UNDEFINED',
@@ -1204,6 +1221,7 @@ var featureInfos =
  'HISTORY',
  'INCR_CHAR',
  'LOCATION',
+ 'MOZILLA',
  'NAME',
  'NODECONSTRUCTOR',
  'OBJECT_L_LOCATION_CTOR',

diff --git a/test/helpers/feature-emulation.helpers.js b/test/helpers/feature-emulation.helpers.js
@@ -1079,6 +1079,12 @@
  registerDefaultToStringAdapter(this, location, '[object Location]');
  patchGlobalToString(this);
  },
+ MOZILLA:
+ function ()
+ {
+ var navigator = { userAgent: 'Mozilla/5.0' };
+ override(this, 'navigator', { value: navigator });
+ },
  NAME:
  function ()
  {