TanTan
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51 lines
997 B
Plaintext
51 lines
997 B
Plaintext
'use strict';
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var $TypeError = require('es-errors/type');
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var $setProto = require('set-proto');
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var isObject = require('es-object-atoms/isObject');
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var OrdinaryGetPrototypeOf = require('./OrdinaryGetPrototypeOf');
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// https://262.ecma-international.org/7.0/#sec-ordinarysetprototypeof
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module.exports = function OrdinarySetPrototypeOf(O, V) {
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if (V !== null && !isObject(V)) {
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throw new $TypeError('Assertion failed: V must be Object or Null');
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}
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/*
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var extensible = IsExtensible(O);
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var current = OrdinaryGetPrototypeOf(O);
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if (SameValue(V, current)) {
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return true;
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}
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if (!extensible) {
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return false;
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}
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*/
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try {
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$setProto(O, V);
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} catch (e) {
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return false;
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}
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return OrdinaryGetPrototypeOf(O) === V;
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/*
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var p = V;
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var done = false;
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while (!done) {
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if (p === null) {
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done = true;
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} else if (SameValue(p, O)) {
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return false;
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} else {
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if (wat) {
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done = true;
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} else {
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p = p.[[Prototype]];
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}
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}
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}
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O.[[Prototype]] = V;
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return true;
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*/
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};
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