Function parseValueAtRuleParams

lib/css/CssParser.js:617–682

(str)

 * @returns {ValueAtRuleImport | ValueAtRuleValue} parsed result
 */
const parseValueAtRuleParams = (str) => {
	if (VALUE_IMPORT_FORM.test(str)) {
		str = str.replace(CSS_COMMENT, " ").trim().replace(/;$/, "");
		const fromIdx = str.lastIndexOf("from");
		const path = str
			.slice(fromIdx + 5)
			.trim()
			.replace(/['"]/g, "");
		let content = str.slice(0, fromIdx).trim();

		if (content.startsWith("(") && content.endsWith(")")) {
			content = content.slice(1, -1);
		}

		return {
			from: path,
			items: content.split(",").map((item) => {
				item = item.trim();

				if (item.includes(":")) {
					const [local, remote] = item.split(":");

					return { localName: local.trim(), importName: remote.trim() };
				}

				const asParts = item.split(VALUE_AS_ALIAS);

				if (asParts.length === 2) {
					return {
						localName: asParts[1].trim(),
						importName: asParts[0].trim()
					};
				}

				return { localName: item, importName: item };
			})
		};
	}

	/** @type {string} */
	let localName;
	/** @type {string} */
	let value;

	const idx = str.indexOf(":");

	if (idx !== -1) {
		localName = str.slice(0, idx).replace(CSS_COMMENT, "").trim();
		value = str.slice(idx + 1);
	} else {
		const mask = str.replace(CSS_COMMENT, (m) => " ".repeat(m.length));
		const idx = mask.search(VALUE_NAME_BOUNDARY) + 1;

		localName = str.slice(0, idx).replace(CSS_COMMENT, "").trim();
		value = str.slice(idx + (str[idx] === " " ? 1 : 0));
	}

	if (