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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 99 100 101 102 103 104 105 | 2x 2x 2x 2x 4x 4x 4x 4x 4x 4x 4x 4x 4x 4x 677288x 677288x 677288x 321879x 321879x 321879x 321879x 677288x 677288x 4x 4x 4x 40564x 40564x 40564x 40564x 40564x 6x 6x 6x 6x 6x 6x 6x 6x 6x 6x 40564x 40564x 4x 4x 4x 753075x 753075x 753075x 678354x 678354x 678354x 678354x 753075x 753075x 4x 4x 4x 4x 4x 4x 2x 2x 2x 2x 2x 2x 2x 2x 140x 140x 140x 140x 140x 140x 140x 140x 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) {
// try-catch needed because this tries to read properties of `a` and `b`,
// which could be disallowed for example in a secure context
try {
if ((a === b) !== (get_proxied_value(a) === get_proxied_value(b))) {
w.state_proxy_equality_mismatch(equal ? '===' : '!==');
}
} catch {}
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;
}
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