add Symbol.matcher

Author: zloirock

README.md

@@ -2400,8 +2400,8 @@ for (let x of Math.seededPRNG({ seed: 42 })) {
   if (x > .8) break;
 }
 ```
-##### [`Symbol.patternMatch` for pattern matching](https://github.com/tc39/proposal-pattern-matching)[⬆](#index)
-Module [`esnext.symbol.pattern-match`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.symbol.pattern-match.js).
+##### [`Symbol.matcher` for pattern matching](https://github.com/tc39/proposal-pattern-matching)[⬆](#index)
+Module [`esnext.symbol.matcher`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.symbol.matcher.js).
 ```js
 class Symbol {
   static patternMatch: @@patternMatch;
@@ -2410,7 +2410,7 @@ class Symbol {
 [*CommonJS entry points:*](#commonjs-api)
 ```js
 core-js/proposals/pattern-matching
-core-js(-pure)/features/symbol/pattern-match
+core-js(-pure)/features/symbol/matcher
 ```
 ##### [Object iteration](https://github.com/tc39/proposal-object-iteration)[⬆](#index)
 Modules [`esnext.object.iterate-keys`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.object.iterate-keys.js), [`esnext.object.iterate-values`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.object.iterate-values.js), [`esnext.object.iterate-entries`](https://github.com/zloirock/core-js/blob/master/packages/core-js/modules/esnext.object.iterate-entries.js).

packages/core-js-compat/src/data.js

@@ -1504,10 +1504,13 @@ const data = {
   },
   'esnext.symbol.dispose': {
   },
+  'esnext.symbol.matcher': {
+  },
   'esnext.symbol.metadata': {
   },
   'esnext.symbol.observable': {
   },
+  // TODO: Remove from `core-js@4`
   'esnext.symbol.pattern-match': {
   },
   // TODO: Remove from `core-js@4`

packages/core-js-compat/src/modules-by-versions.js

@@ -84,6 +84,7 @@ module.exports = {
     'esnext.object.has-own',
   ],
   3.12: [
+    'esnext.symbol.matcher',
     'esnext.symbol.metadata',
   ],
 };

packages/core-js/features/symbol/index.js

@@ -1,8 +1,10 @@
 var parent = require('../../es/symbol');
 require('../../modules/esnext.symbol.async-dispose');
 require('../../modules/esnext.symbol.dispose');
+require('../../modules/esnext.symbol.matcher');
 require('../../modules/esnext.symbol.metadata');
 require('../../modules/esnext.symbol.observable');
+// TODO: Remove from `core-js@4`
 require('../../modules/esnext.symbol.pattern-match');
 // TODO: Remove from `core-js@4`
 require('../../modules/esnext.symbol.replace-all');

packages/core-js/features/symbol/matcher.js

@@ -0,0 +1,4 @@
+require('../../modules/esnext.symbol.matcher');
+var WrappedWellKnownSymbolModule = require('../../internals/well-known-symbol-wrapped');
+
+module.exports = WrappedWellKnownSymbolModule.f('matcher');

packages/core-js/features/symbol/pattern-match.js

@@ -1,3 +1,4 @@
+// TODO: Remove from `core-js@4`
 require('../../modules/esnext.symbol.pattern-match');
 var WrappedWellKnownSymbolModule = require('../../internals/well-known-symbol-wrapped');
 

packages/core-js/modules/esnext.symbol.matcher.js

@@ -0,0 +1,5 @@
+var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
+
+// `Symbol.matcher` well-known symbol
+// https://github.com/tc39/proposal-pattern-matching
+defineWellKnownSymbol('matcher');

packages/core-js/modules/esnext.symbol.pattern-match.js

@@ -1,3 +1,4 @@
+// TODO: remove from `core-js@4`
 var defineWellKnownSymbol = require('../internals/define-well-known-symbol');
 
 // `Symbol.patternMatch` well-known symbol

packages/core-js/proposals/pattern-matching.js

@@ -1,2 +1,4 @@
 // https://github.com/tc39/proposal-pattern-matching
+require('../modules/esnext.symbol.matcher');
+// TODO: remove from `core-js@4`
 require('../modules/esnext.symbol.pattern-match');

tests/commonjs.js

@@ -297,6 +297,7 @@ for (PATH of ['core-js-pure', 'core-js']) {
   ok(load('features/symbol/is-concat-spreadable'));
   ok(load('features/symbol/iterator'));
   ok(load('features/symbol/match'));
+  ok(load('features/symbol/matcher'));
   ok(load('features/symbol/match-all'));
   ok(load('features/symbol/metadata'));
   ok(load('features/symbol/replace'));

tests/compat/tests.js

@@ -1431,12 +1431,16 @@ GLOBAL.tests = {
   'esnext.symbol.dispose': function () {
     return Symbol.dispose;
   },
+  'esnext.symbol.matcher': function () {
+    return Symbol.matcher;
+  },
   'esnext.symbol.metadata': function () {
     return Symbol.metadata;
   },
   'esnext.symbol.observable': function () {
     return Symbol.observable;
   },
+  // TODO: Remove from `core-js@4`
   'esnext.symbol.pattern-match': function () {
     return Symbol.patternMatch;
   },

tests/pure/esnext.symbol.matcher.js

@@ -0,0 +1,6 @@
+import Symbol from 'core-js-pure/features/symbol';
+
+QUnit.test('Symbol.matcher', assert => {
+  assert.ok('matcher' in Symbol, 'Symbol.matcher available');
+  assert.ok(Object(Symbol.matcher) instanceof Symbol, 'Symbol.matcher is symbol');
+});

tests/tests/esnext.symbol.matcher.js

@@ -0,0 +1,13 @@
+import { DESCRIPTORS } from '../helpers/constants';
+
+QUnit.test('Symbol.matcher', assert => {
+  assert.ok('matcher' in Symbol, 'Symbol.matcher available');
+  assert.nonEnumerable(Symbol, 'matcher');
+  assert.ok(Object(Symbol.matcher) instanceof Symbol, 'Symbol.matcher is symbol');
+  if (DESCRIPTORS) {
+    const descriptor = Object.getOwnPropertyDescriptor(Symbol, 'matcher');
+    assert.ok(!descriptor.enumerble, 'non-enumerable');
+    assert.ok(!descriptor.writable, 'non-writable');
+    assert.ok(!descriptor.configurable, 'non-configurable');
+  }
+});