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29 lines
815 B
JavaScript
29 lines
815 B
JavaScript
// Copyright (C) 2019 Alexey Shvayka. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-createresolvingfunctions
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description: >
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resolve is anonymous built-in function with length of 1.
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info: |
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CreateResolvingFunctions ( promise )
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...
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3. Let resolve be ! CreateBuiltinFunction(stepsResolve, « [[Promise]], [[AlreadyResolved]] »).
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features: [Reflect.construct]
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includes: [isConstructor.js]
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flags: [async]
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---*/
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Promise.resolve(1).then(function() {
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return Promise.resolve();
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}).then($DONE, $DONE);
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var then = Promise.prototype.then;
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Promise.prototype.then = function(resolve, reject) {
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assert(!isConstructor(resolve));
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assert.sameValue(resolve.length, 1);
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assert.sameValue(resolve.name, '');
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return then.call(this, resolve, reject);
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};
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