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4151ab398b
Utility function for wrapping an ES6 class with a constructor function that does not require the new keyword PR-URL: https://github.com/nodejs/node/pull/11391 Reviewed-By: Michaël Zasso <targos@protonmail.com> Reviewed-By: Anna Henningsen <anna@addaleax.net> Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
32 lines
686 B
JavaScript
32 lines
686 B
JavaScript
// Flags: --expose-internals
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'use strict';
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require('../common');
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const assert = require('assert');
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const util = require('internal/util');
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const createClassWrapper = util.createClassWrapper;
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class A {
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constructor(a, b, c) {
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this.a = a;
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this.b = b;
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this.c = c;
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}
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}
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const B = createClassWrapper(A);
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assert.strictEqual(typeof B, 'function');
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assert(B(1, 2, 3) instanceof B);
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assert(B(1, 2, 3) instanceof A);
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assert(new B(1, 2, 3) instanceof B);
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assert(new B(1, 2, 3) instanceof A);
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assert.strictEqual(B.name, A.name);
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assert.strictEqual(B.length, A.length);
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const b = new B(1, 2, 3);
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assert.strictEqual(b.a, 1);
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assert.strictEqual(b.b, 2);
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assert.strictEqual(b.c, 3);
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