Function print

src/language-handlebars/printer-glimmer.js:37–420

(path, options, print)

// https://github.com/glimmerjs/glimmer-vm/blob/master/packages/%40glimmer/syntax/lib/generation/print.ts

function print(path, options, print) {
  const { node } = path;

  switch (node.type) {
    case "Block":
    case "Program":
    case "Template":
      return group(path.map(print, "body"));

    case "ElementNode": {
      const isWhitespaceSensitive =
        options.htmlWhitespaceSensitivity !== "ignore";

      const startingTag = [
        !isWhitespaceSensitive && path.previous?.type === "ElementNode"
          ? softline
          : "",
        group([printStartingTag(path, print)]),
      ];

      if (isVoidElement(node)) {
        return [startingTag];
      }

      const endingTag = ["</", node.tag, ">"];
      const isStyle = node.tag === "style";

      if (
        node.children.length === 0 ||
        ((!isWhitespaceSensitive || isStyle) &&
          node.children.every((node) => isWhitespaceNode(node)))
      ) {
        return [startingTag, endingTag];
      }

      const parts = path.map(print, "children");

      if (isStyle || !isWhitespaceSensitive) {
        return [startingTag, indent([softline, ...parts]), softline, endingTag];
      }

      return [startingTag, indent(group(parts)), endingTag];
    }

    case "BlockStatement":
      if (isElseIfBlock(path)) {
        return [
          printElseIfBlock(path, print),
          printProgram(path, options, print),
          printInverse(path, options, print),
        ];
      }

      return [
        printOpenBlock(path, print),
        group([
          printProgram(path, options, print),
          printInverse(path, options, print),