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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 | 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 2x 2x 1482x 1482x 1482x 2x 2x 2x 2x 2x 2x 2x 2x 2x 12784x 6113x 6113x 6671x 6671x 6671x 6671x 12784x 5x 5x 6666x 6666x 6666x 6666x 6666x 12784x 40182x 26889x 26889x 26889x 10112x 26889x 16776x 6664x 6664x 6664x 6664x 10112x 10112x 10112x 26889x 33518x 33518x 33518x 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;
}
/**
* Array of nodes to traverse for hydration. This will be null if we're not hydrating, but for
* the sake of simplicity we're not going to use `null` checks everywhere and instead rely on
* the `hydrating` flag to tell whether or not we're in hydration mode at which point this is set.
* @type {import('#client').TemplateNode[]}
*/
export let hydrate_nodes = /** @type {any} */ (null);
/** @type {import('#client').TemplateNode} */
export let hydrate_start;
/** @param {import('#client').TemplateNode[]} nodes */
export function set_hydrate_nodes(nodes) {
hydrate_nodes = nodes;
hydrate_start = nodes && nodes[0];
}
/**
* This function is only called when `hydrating` is true. If passed a `<!--[-->` opening
* hydration marker, it finds the corresponding closing marker and sets `hydrate_nodes`
* to everything between the markers, 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 {Node[]} */
var nodes = [];
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_nodes = /** @type {import('#client').TemplateNode[]} */ (nodes);
hydrate_start = /** @type {import('#client').TemplateNode} */ (nodes[0]);
return current;
}
depth -= 1;
}
}
nodes.push(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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