Function parseDeclaration

src/plugins/postcss-url-parser.js:62–289

(declaration, key, result, options)

}

function parseDeclaration(declaration, key, result, options) {
  if (!needParseDeclaration.test(declaration[key])) {
    return;
  }

  const parsed = valueParser(
    declaration.raws && declaration.raws.value && declaration.raws.value.raw
      ? declaration.raws.value.raw
      : declaration[key],
  );

  let inBetween;

  if (declaration.raws && declaration.raws.between) {
    const lastCommentIndex = declaration.raws.between.lastIndexOf("/*");

    const matched = declaration.raws.between
      .slice(lastCommentIndex)
      .match(WEBPACK_IGNORE_COMMENT_REGEXP);

    if (matched) {
      inBetween = matched[2] === "true";
    }
  }

  let isIgnoreOnDeclaration = false;

  const prevNode = declaration.prev();

  if (prevNode && prevNode.type === "comment") {
    const matched = prevNode.text.match(WEBPACK_IGNORE_COMMENT_REGEXP);

    if (matched) {
      isIgnoreOnDeclaration = matched[2] === "true";
    }
  }

  let needIgnore;

  const parsedURLs = [];

  parsed.walk((valueNode, index, valueNodes) => {
    if (valueNode.type !== "function") {
      return;
    }

    if (isUrlFunc.test(valueNode.value)) {
      needIgnore = getWebpackIgnoreCommentValue(index, valueNodes, inBetween);

      if (
        (isIgnoreOnDeclaration && typeof needIgnore === "undefined") ||
        needIgnore
      ) {
        if (needIgnore) {
          // eslint-disable-next-line no-undefined
          needIgnore = undefined;
        }