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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 4553x 4553x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 1564x 1564x 1564x 2x 2x 2x 2x 2x 2x 2x 2x 2x 12909x 6286x 6286x 6623x 6623x 6623x 6623x 12909x 8x 8x 6615x 6615x 6615x 6615x 6615x 12909x 40106x 26814x 26814x 26814x 10049x 26814x 16662x 6613x 6613x 6613x 6613x 10049x 10049x 10049x 26814x 33493x 33493x 33493x 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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