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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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 4455x 4455x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1482x 1482x 1482x 2x 2x 2x 2x 2x 2x 2x 2x 2x 12789x 6113x 6113x 6676x 6676x 6676x 6676x 12789x 5x 5x 6671x 6671x 6671x 6671x 6671x 12789x 40222x 26914x 26914x 26914x 10122x 26914x 16791x 6669x 6669x 6669x 10122x 10122x 10122x 26914x 33553x 33553x 33553x 33553x 2x 2x 2x 2x 2x 2x 2x 1x 1x 2x 2x 2x 2x 2x | import { DEV } from 'esm-env';
import { HYDRATION_END, HYDRATION_START, HYDRATION_ERROR } from '../../../constants.js';
import * as w from '../warnings.js';
/**
* Use this variable to guard everything related to hydration code so it can be treeshaken out
* if the user doesn't use the `hydrate` method and these code paths are therefore not needed.
*/
export let hydrating = false;
/** @param {boolean} value */
export function set_hydrating(value) {
hydrating = value;
}
/** @type {import('#client').TemplateNode} */
export let hydrate_start = /** @type {any} */ (null);
/** @type {import('#client').TemplateNode} */
export let hydrate_end = /** @type {any} */ (null);
/**
* @param {import('#client').TemplateNode} start
* @param {import('#client').TemplateNode} end
*/
export function set_hydrate_nodes(start, end) {
hydrate_start = start;
hydrate_end = end;
}
/**
* This function is only called when `hydrating` is true. If passed a `<!--[-->` opening
* hydration marker, it finds the corresponding closing marker and sets `hydrate_start`
* and `hydrate_end` to the content inside, before returning the closing marker.
* @param {Node} node
* @returns {Node}
*/
export function hydrate_anchor(node) {
if (node.nodeType !== 8) {
return node;
}
var current = /** @type {Node | null} */ (node);
// TODO this could have false positives, if a user comment consisted of `[`. need to tighten that up
if (/** @type {Comment} */ (current).data !== HYDRATION_START) {
return node;
}
/** @type {import('#client').TemplateNode} */
var start = /** @type {any} */ (null);
var depth = 0;
while ((current = /** @type {Node} */ (current).nextSibling) !== null) {
if (current.nodeType === 8) {
var data = /** @type {Comment} */ (current).data;
if (data === HYDRATION_START) {
depth += 1;
} else if (data[0] === HYDRATION_END) {
if (depth === 0) {
hydrate_start = start;
return current;
}
depth -= 1;
}
}
start ??= /** @type {import('#client').TemplateNode} */ (current);
hydrate_end = /** @type {import('#client').TemplateNode} */ (current);
}
let location;
if (DEV) {
// @ts-expect-error
const loc = node.parentNode?.__svelte_meta?.loc;
if (loc) {
location = `${loc.file}:${loc.line}:${loc.column}`;
}
}
w.hydration_mismatch(location);
throw HYDRATION_ERROR;
}
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