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 ()
         {