Function mergeSimpleElementIntoText

src/language-html/print-preprocess.js:141–185

(ast /* , options */)

}

function mergeSimpleElementIntoText(ast /* , options */) {
  const isSimpleElement = (node) =>
    node.kind === "element" &&
    node.attrs.length === 0 &&
    !isNonEmptyArray(node.startTagComments) &&
    node.children.length === 1 &&
    node.firstChild.kind === "text" &&
    !htmlWhitespace.hasWhitespaceCharacter(node.children[0].value) &&
    !node.firstChild.hasLeadingSpaces &&
    !node.firstChild.hasTrailingSpaces &&
    node.isLeadingSpaceSensitive &&
    !node.hasLeadingSpaces &&
    node.isTrailingSpaceSensitive &&
    !node.hasTrailingSpaces &&
    node.prev?.kind === "text" &&
    node.next?.kind === "text";
  ast.walk((node) => {
    if (node.children) {
      for (let i = 0; i < node.children.length; i++) {
        const child = node.children[i];
        if (!isSimpleElement(child)) {
          continue;
        }

        const prevChild = child.prev;
        const nextChild = child.next;
        prevChild.value +=
          `<${child.rawName}>` +
          child.firstChild.value +
          `</${child.rawName}>` +
          nextChild.value;
        prevChild.sourceSpan = new ParseSourceSpan(
          prevChild.sourceSpan.start,
          nextChild.sourceSpan.end,
        );
        prevChild.isTrailingSpaceSensitive = nextChild.isTrailingSpaceSensitive;
        prevChild.hasTrailingSpaces = nextChild.hasTrailingSpaces;

        node.removeChild(child);
        i--; // because a node was removed
        node.removeChild(nextChild);
      }
    }
  });
}

function extractInterpolation(ast, options) {
  if (options.parser === "html") {