This commit is contained in:
36
node_modules/core-js/modules/es.weak-map.get-or-insert-computed.js
generated
vendored
Normal file
36
node_modules/core-js/modules/es.weak-map.get-or-insert-computed.js
generated
vendored
Normal file
@@ -0,0 +1,36 @@
|
||||
'use strict';
|
||||
var $ = require('../internals/export');
|
||||
var aCallable = require('../internals/a-callable');
|
||||
var aWeakMap = require('../internals/a-weak-map');
|
||||
var aWeakKey = require('../internals/a-weak-key');
|
||||
var WeakMapHelpers = require('../internals/weak-map-helpers');
|
||||
var IS_PURE = require('../internals/is-pure');
|
||||
|
||||
var get = WeakMapHelpers.get;
|
||||
var has = WeakMapHelpers.has;
|
||||
var set = WeakMapHelpers.set;
|
||||
|
||||
var FORCED = IS_PURE || !function () {
|
||||
try {
|
||||
// eslint-disable-next-line es/no-weak-map, no-throw-literal -- testing
|
||||
if (WeakMap.prototype.getOrInsertComputed) new WeakMap().getOrInsertComputed(1, function () { throw 1; });
|
||||
} catch (error) {
|
||||
// FF144 Nightly - Beta 3 bug
|
||||
// https://bugzilla.mozilla.org/show_bug.cgi?id=1988369
|
||||
return error instanceof TypeError;
|
||||
}
|
||||
}();
|
||||
|
||||
// `WeakMap.prototype.getOrInsertComputed` method
|
||||
// https://tc39.es/ecma262/#sec-weakmap.prototype.getorinsertcomputed
|
||||
$({ target: 'WeakMap', proto: true, real: true, forced: FORCED }, {
|
||||
getOrInsertComputed: function getOrInsertComputed(key, callbackfn) {
|
||||
if (!IS_PURE) aWeakMap(this);
|
||||
aWeakKey(key);
|
||||
aCallable(callbackfn);
|
||||
if (has(this, key)) return get(this, key);
|
||||
var value = callbackfn(key);
|
||||
set(this, key, value);
|
||||
return value;
|
||||
}
|
||||
});
|
||||
Reference in New Issue
Block a user