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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 | 2x 2x 2x 2x 2x 2x 2x 2x 2x 2x 74x 179x 179x 179x 179x 179x 179x 74x 74x 2x 2x 2x 2x 2x 2x 173x 173x 173x 173x 173x 173x 173x 173x 2x 2x 2x 2x 2x 2x 179x 179x 179x 179x 179x 216x 8x 8x 4x 8x 216x 216x 173x 173x 216x 216x 216x 179x | import { HYDRATION_END, HYDRATION_START } from '../../../constants.js';
import { hydrating } from '../dom/hydration.js';
/**
* @param {any} fn
* @param {string} filename
* @param {import('../../../compiler/phases/3-transform/client/types.js').SourceLocation[]} locations
* @returns {any}
*/
export function add_locations(fn, filename, locations) {
return (/** @type {any[]} */ ...args) => {
const dom = fn(...args);
var node = hydrating ? dom : dom.nodeType === 11 ? dom.firstChild : dom;
assign_locations(node, filename, locations);
return dom;
};
}
/**
* @param {Element} element
* @param {string} filename
* @param {import('../../../compiler/phases/3-transform/client/types.js').SourceLocation} location
*/
function assign_location(element, filename, location) {
// @ts-expect-error
element.__svelte_meta = {
loc: { file: filename, line: location[0], column: location[1] }
};
if (location[2]) {
assign_locations(element.firstChild, filename, location[2]);
}
}
/**
* @param {Node | null} node
* @param {string} filename
* @param {import('../../../compiler/phases/3-transform/client/types.js').SourceLocation[]} locations
*/
function assign_locations(node, filename, locations) {
var i = 0;
var depth = 0;
while (node && i < locations.length) {
if (hydrating && node.nodeType === 8) {
var comment = /** @type {Comment} */ (node);
if (comment.data === HYDRATION_START) depth += 1;
else if (comment.data[0] === HYDRATION_END) depth -= 1;
}
if (depth === 0 && node.nodeType === 1) {
assign_location(/** @type {Element} */ (node), filename, locations[i++]);
}
node = node.nextSibling;
}
}
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