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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 | 2x 2x 2x 2x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 872507x 872507x 872507x 303090x 303090x 303090x 303090x 872507x 872507x 4x 4x 4x 38158x 38158x 38158x 38158x 38158x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 38158x 38158x 4x 4x 4x 1131901x 1131901x 1131901x 550019x 550019x 550019x 550019x 1131901x 1131901x 4x 4x 4x 4x 4x 4x 2x 2x 2x 2x 2x 2x 2x 2x 8x 8x 8x 8x 2x 2x 2x 2x 2x 2x 2x 2x | import * as w from '../warnings.js'; import { get_proxied_value } from '../proxy.js'; export function init_array_prototype_warnings() { const array_prototype = Array.prototype; // The REPL ends up here over and over, and this prevents it from adding more and more patches // of the same kind to the prototype, which would slow down everything over time. // @ts-expect-error const cleanup = Array.__svelte_cleanup; if (cleanup) { cleanup(); } const { indexOf, lastIndexOf, includes } = array_prototype; array_prototype.indexOf = function (item, from_index) { const index = indexOf.call(this, item, from_index); if (index === -1) { const test = indexOf.call(get_proxied_value(this), get_proxied_value(item), from_index); if (test !== -1) { w.state_proxy_equality_mismatch('array.indexOf(...)'); } } return index; }; array_prototype.lastIndexOf = function (item, from_index) { // we need to specify this.length - 1 because it's probably using something like // `arguments` inside so passing undefined is different from not passing anything const index = lastIndexOf.call(this, item, from_index ?? this.length - 1); if (index === -1) { // we need to specify this.length - 1 because it's probably using something like // `arguments` inside so passing undefined is different from not passing anything const test = lastIndexOf.call( get_proxied_value(this), get_proxied_value(item), from_index ?? this.length - 1 ); if (test !== -1) { w.state_proxy_equality_mismatch('array.lastIndexOf(...)'); } } return index; }; array_prototype.includes = function (item, from_index) { const has = includes.call(this, item, from_index); if (!has) { const test = includes.call(get_proxied_value(this), get_proxied_value(item), from_index); if (test) { w.state_proxy_equality_mismatch('array.includes(...)'); } } return has; }; // @ts-expect-error Array.__svelte_cleanup = () => { array_prototype.indexOf = indexOf; array_prototype.lastIndexOf = lastIndexOf; array_prototype.includes = includes; }; } /** * @param {any} a * @param {any} b * @param {boolean} equal * @returns {boolean} */ export function strict_equals(a, b, equal = true) { if ((a === b) !== (get_proxied_value(a) === get_proxied_value(b))) { w.state_proxy_equality_mismatch(equal ? '===' : '!=='); } return (a === b) === equal; } /** * @param {any} a * @param {any} b * @param {boolean} equal * @returns {boolean} */ export function equals(a, b, equal = true) { if ((a == b) !== (get_proxied_value(a) == get_proxied_value(b))) { w.state_proxy_equality_mismatch(equal ? '==' : '!='); } return (a == b) === equal; } |