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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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 9x 9x 9x 9x 6x 6x 9x 3x 3x 3x 3x 3x 9x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 8x 8x 2x 2x 2x 2x 2x 2x 2x 2x 2x 6x 6x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x | import { dev_current_component_function, untrack } from './runtime.js';
import { get_descriptor, is_array } from '../shared/utils.js';
import * as e from './errors.js';
import { FILENAME } from '../../constants.js';
import { render_effect } from './reactivity/effects.js';
import * as w from './warnings.js';
/** regex of all html void element names */
const void_element_names =
/^(?:area|base|br|col|command|embed|hr|img|input|keygen|link|meta|param|source|track|wbr)$/;
/** @param {string} tag */
function is_void(tag) {
return void_element_names.test(tag) || tag.toLowerCase() === '!doctype';
}
/**
* @template Component
* @param {() => Component} component_fn
* @returns {Component}
*/
export function validate_dynamic_component(component_fn) {
try {
const instance = component_fn();
if (instance !== undefined && typeof instance !== 'object') {
e.svelte_component_invalid_this_value();
}
return instance;
} catch (err) {
const { message } = /** @type {Error} */ (err);
if (typeof message === 'string' && message.indexOf('is not a function') !== -1) {
e.svelte_component_invalid_this_value();
}
throw err;
}
}
/**
* @param {() => any} collection
* @param {(item: any, index: number) => string} key_fn
* @returns {void}
*/
export function validate_each_keys(collection, key_fn) {
const keys = new Map();
const maybe_array = untrack(() => collection());
const array = is_array(maybe_array)
? maybe_array
: maybe_array == null
? []
: Array.from(maybe_array);
const length = array.length;
for (let i = 0; i < length; i++) {
const key = key_fn(array[i], i);
if (keys.has(key)) {
const a = String(keys.get(key));
const b = String(i);
/** @type {string | null} */
let k = String(array[i]);
if (k.startsWith('[object ')) k = null;
e.each_key_duplicate(a, b, k);
}
keys.set(key, i);
}
}
/**
* @param {Record<string, any>} $$props
* @param {string[]} bindable
* @param {string[]} exports
* @param {Function & { [FILENAME]: string }} component
*/
export function validate_prop_bindings($$props, bindable, exports, component) {
for (const key in $$props) {
var setter = get_descriptor($$props, key)?.set;
var name = component.name;
if (setter) {
if (exports.includes(key)) {
e.bind_invalid_export(component[FILENAME], key, name);
}
if (!bindable.includes(key)) {
e.bind_not_bindable(key, component[FILENAME], name);
}
}
}
}
/**
* @param {string} binding
* @param {() => Record<string, any>} get_object
* @param {() => string} get_property
* @param {number} line
* @param {number} column
*/
export function validate_binding(binding, get_object, get_property, line, column) {
var warned = false;
var filename = dev_current_component_function?.[FILENAME];
render_effect(() => {
if (warned) return;
var object = get_object();
var property = get_property();
var ran = false;
// by making the (possibly false, but it would be an extreme edge case) assumption
// that a getter has a corresponding setter, we can determine if a property is
// reactive by seeing if this effect has dependencies
var effect = render_effect(() => {
if (ran) return;
// eslint-disable-next-line @typescript-eslint/no-unused-expressions
object[property];
});
ran = true;
if (effect.deps === null) {
var location = filename && `${filename}:${line}:${column}`;
w.binding_property_non_reactive(binding, location);
warned = true;
}
});
}
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