Function replace

packages/pug-walk/index.js:12–19

(replacement)

  var parents = (options.parents = options.parents || []);

  var replace = function replace(replacement) {
    if (Array.isArray(replacement) && !replace.arrayAllowed) {
      throw new Error(
        'replace() can only be called with an array if the last parent is a Block or NamedBlock'
      );
    }
    ast = replacement;
  };
  replace.arrayAllowed =
    parents[0] &&
    (/^(Named)?Block$/.test(parents[0].type) ||