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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 73x 177x 177x 177x 177x 177x 177x 73x 73x 2x 2x 2x 2x 2x 2x 171x 171x 171x 171x 171x 171x 171x 171x 2x 2x 2x 2x 2x 2x 177x 177x 177x 177x 177x 214x 8x 8x 4x 8x 214x 214x 171x 171x 214x 214x 214x 177x | 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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