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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 1488x 1488x 1488x 2x 2x 2x 2x 2x 2x 2x 2x 2x 12771x 6113x 6113x 6658x 6658x 6658x 6658x 12771x 5x 5x 6653x 6653x 6653x 6653x 6653x 12771x 40078x 26824x 26824x 26824x 10086x 26824x 16737x 6651x 6651x 6651x 10086x 10086x 10086x 26824x 33427x 33427x 33427x 33427x 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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