Function crawl

packages/kit/src/core/postbuild/crawl.js:34–243

(html, base)

 * @param {string} base
 */
export function crawl(html, base) {
	/** @type {string[]} */
	const ids = [];

	/** @type {string[]} */
	const hrefs = [];

	let i = 0;
	main: while (i < html.length) {
		const char = html[i];

		if (char === '<') {
			if (html[i + 1] === '!') {
				i += 2;

				if (html.slice(i, i + DOCTYPE.length).toUpperCase() === DOCTYPE) {
					i += DOCTYPE.length;
					while (i < html.length) {
						if (html[i++] === '>') {
							continue main;
						}
					}
				}

				// skip cdata
				if (html.slice(i, i + CDATA_OPEN.length) === CDATA_OPEN) {
					i += CDATA_OPEN.length;
					while (i < html.length) {
						if (html.slice(i, i + CDATA_CLOSE.length) === CDATA_CLOSE) {
							i += CDATA_CLOSE.length;
							continue main;
						}

						i += 1;
					}
				}

				// skip comments
				if (html.slice(i, i + COMMENT_OPEN.length) === COMMENT_OPEN) {
					i += COMMENT_OPEN.length;
					while (i < html.length) {
						if (html.slice(i, i + COMMENT_CLOSE.length) === COMMENT_CLOSE) {
							i += COMMENT_CLOSE.length;
							continue main;
						}

						i += 1;
					}
				}
			}

			// parse opening tags
			const start = ++i;
			if (TAG_OPEN.test(html[start])) {
				while (i < html.length) {
					if (!TAG_CHAR.test(html[i])) {
						break;
					}