Function unindentLines

src/dyno/base.ts:451–481

(s: string)

}

export function unindentLines(s: string): string[] {
  let seenNonEmpty = false;
  const lines = s
    .split("\n")
    .map((line) => {
      const trimmedLine = line.trimEnd();
      if (seenNonEmpty) {
        return trimmedLine;
      }
      if (trimmedLine.length > 0) {
        seenNonEmpty = true;
        return trimmedLine;
      }
      return null;
    })
    .filter((line) => line != null);
  while (lines.length > 0 && lines[lines.length - 1].length === 0) {
    lines.pop();
  }
  if (lines.length === 0) {
    return [];
  }

  const indent = lines[0].match(/^\s*/)?.[0];
  if (!indent) {
    return lines; // No indent, return as is
  }
  // Remove indent from the beginning of each line
  const regex = new RegExp(`^${indent}`);
  return lines.map((line) => line.replace(regex, ""));
}

export function unindent(s: string): string {
  return unindentLines(s).join("\n");