59 lines
1.3 KiB
JavaScript
59 lines
1.3 KiB
JavaScript
'use strict';
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var getBuiltIn = require('../internals/get-built-in');
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var createSetLike = function (size) {
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return {
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size: size,
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has: function () {
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return false;
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},
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keys: function () {
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return {
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next: function () {
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return { done: true };
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}
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};
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}
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};
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};
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var createSetLikeWithInfinitySize = function (size) {
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return {
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size: size,
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has: function () {
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return true;
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},
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keys: function () {
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throw new Error('e');
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}
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};
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};
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module.exports = function (name, callback) {
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var Set = getBuiltIn('Set');
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try {
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new Set()[name](createSetLike(0));
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try {
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// late spec change, early WebKit ~ Safari 17.0 beta implementation does not pass it
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// https://github.com/tc39/proposal-set-methods/pull/88
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new Set()[name](createSetLike(-1));
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return false;
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} catch (error2) {
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if (!callback) return true;
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// early V8 implementation bug
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// https://issues.chromium.org/issues/351332634
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try {
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new Set()[name](createSetLikeWithInfinitySize(-Infinity));
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return false;
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} catch (error) {
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var set = new Set();
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set.add(1);
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set.add(2);
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return callback(set[name](createSetLikeWithInfinitySize(Infinity)));
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}
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}
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} catch (error) {
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return false;
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}
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};
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