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Last change
on this file was 9af201e, checked in by MBK <marija.karapandzova@…>, 12 days ago |
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Fix frontend appearance
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-
Property mode
set to
100644
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File size:
1.4 KB
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| 1 | 'use strict';
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| 2 | var getBuiltIn = require('../internals/get-built-in');
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| 3 |
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| 4 | var createSetLike = function (size) {
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| 5 | return {
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| 6 | size: size,
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| 7 | has: function () {
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| 8 | return false;
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| 9 | },
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| 10 | keys: function () {
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| 11 | return {
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| 12 | next: function () {
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| 13 | return { done: true };
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| 14 | }
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| 15 | };
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| 16 | }
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| 17 | };
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| 18 | };
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| 19 |
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| 20 | var createSetLikeWithInfinitySize = function (size) {
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| 21 | return {
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| 22 | size: size,
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| 23 | has: function () {
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| 24 | return true;
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| 25 | },
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| 26 | keys: function () {
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| 27 | throw new Error('e');
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| 28 | }
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| 29 | };
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| 30 | };
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| 31 |
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| 32 | module.exports = function (name, callback) {
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| 33 | var Set = getBuiltIn('Set');
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| 34 | try {
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| 35 | new Set()[name](createSetLike(0));
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| 36 | try {
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| 37 | // late spec change, early WebKit ~ Safari 17 implementation does not pass it
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| 38 | // https://github.com/tc39/proposal-set-methods/pull/88
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| 39 | // also covered engines with
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| 40 | // https://bugs.webkit.org/show_bug.cgi?id=272679
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| 41 | new Set()[name](createSetLike(-1));
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| 42 | return false;
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| 43 | } catch (error2) {
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| 44 | if (!callback) return true;
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| 45 | // early V8 implementation bug
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| 46 | // https://issues.chromium.org/issues/351332634
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| 47 | try {
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| 48 | new Set()[name](createSetLikeWithInfinitySize(-Infinity));
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| 49 | return false;
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| 50 | } catch (error) {
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| 51 | var set = new Set([1, 2]);
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| 52 | return callback(set[name](createSetLikeWithInfinitySize(Infinity)));
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| 53 | }
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| 54 | }
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| 55 | } catch (error) {
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| 56 | return false;
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| 57 | }
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| 58 | };
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