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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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 58x 58x 58x 2x 2x 2x 2x 2x 2x 27x 3x 3x 24x 24x 24x 2x 2x 2x 2x 2x 2x 3176x 5x 5x 3171x 3171x 3171x 2x 2x 2x 2x 2x 2x 29x 29x 16x 16x 29x 2x 2x 2x 31x 31x 31x 2x 2x 31x 2x 2x 2x 2x 2x 2x 428x 3x 3x 428x | import { is_void } from '../../compiler/phases/1-parse/utils/names.js';
import * as w from './warnings.js';
import * as e from './errors.js';
const snippet_symbol = Symbol.for('svelte.snippet');
/**
* @param {any} fn
*/
export function add_snippet_symbol(fn) {
fn[snippet_symbol] = true;
return fn;
}
/**
* Validate that the function handed to `{@render ...}` is a snippet function, and not some other kind of function.
* @param {any} snippet_fn
*/
export function validate_snippet(snippet_fn) {
if (snippet_fn && snippet_fn[snippet_symbol] !== true) {
e.render_tag_invalid_argument();
}
return snippet_fn;
}
/**
* Validate that the function behind `<Component />` isn't a snippet.
* @param {any} component_fn
*/
export function validate_component(component_fn) {
if (component_fn?.[snippet_symbol] === true) {
e.snippet_used_as_component();
}
return component_fn;
}
/**
* @param {() => string} tag_fn
* @returns {void}
*/
export function validate_void_dynamic_element(tag_fn) {
const tag = tag_fn();
if (tag && is_void(tag)) {
w.dynamic_void_element_content(tag);
}
}
/** @param {() => unknown} tag_fn */
export function validate_dynamic_element_tag(tag_fn) {
const tag = tag_fn();
const is_string = typeof tag === 'string';
if (tag && !is_string) {
e.svelte_element_invalid_this_value();
}
}
/**
* @param {any} store
* @param {string} name
*/
export function validate_store(store, name) {
if (store != null && typeof store.subscribe !== 'function') {
e.store_invalid_shape(name);
}
}
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