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FILENAME,
disallowed_paragraph_contents,
interactive_elements,
is_tag_valid_with_parent
} from '../../constants.js';
import { current_component } from './context.js';
/**
* @typedef {{
* tag: string;
* parent: null | Element;
* filename: null | string;
* line: number;
* column: number;
* }} Element
*/
/**
* @type {Element | null}
*/
let parent = null;
/** @type {Set<string>} */
let seen;
/**
* @param {Element} element
*/
function stringify(element) {
if (element.filename === null) return `\`<${element.tag}>\``;
return `\`<${element.tag}>\` (${element.filename}:${element.line}:${element.column})`;
}
/**
* @param {import('#server').Payload} payload
* @param {Element} parent
* @param {Element} child
*/
function print_error(payload, parent, child) {
var message =
`${stringify(parent)} cannot contain ${stringify(child)}\n\n` +
'This can cause content to shift around as the browser repairs the HTML, and will likely result in a `hydration_mismatch` warning.';
if ((seen ??= new Set()).has(message)) return;
seen.add(message);
// eslint-disable-next-line no-console
console.error(message);
payload.head.out += `<script>console.error(${JSON.stringify(message)})</script>`;
}
/**
* @param {import('#server').Payload} payload
* @param {string} tag
* @param {number} line
* @param {number} column
*/
export function push_element(payload, tag, line, column) {
var filename = /** @type {import('#server').Component} */ (current_component).function[FILENAME];
var child = { tag, parent, filename, line, column };
if (parent !== null && !is_tag_valid_with_parent(tag, parent.tag)) {
print_error(payload, parent, child);
}
if (interactive_elements.has(tag)) {
let element = parent;
while (element !== null) {
if (interactive_elements.has(element.tag)) {
print_error(payload, element, child);
break;
}
element = element.parent;
}
}
if (disallowed_paragraph_contents.includes(tag)) {
let element = parent;
while (element !== null) {
if (element.tag === 'p') {
print_error(payload, element, child);
break;
}
element = element.parent;
}
}
parent = child;
}
export function pop_element() {
parent = /** @type {Element} */ (parent).parent;
}
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