INNER CODE UNIT · TypeScript

assertValidBranchName

EndBug/add-and-commit · src/util.ts:183

export function assertValidBranchName(name: string): void {
  if (!name || !name.trim()) {
    throw new Error('The new_branch value is empty.');
  }
  if (name.startsWith('-')) {
    throw new Error(
      `The new_branch value '${neutralizeLogString(name)}' cannot start with '-' (it would be interpreted as a git option).`,
    );
  }
  for (const char of name) {
    const code = char.codePointAt(0)!;
    if (
      code <= 0x1f || // C0 controls
      code === 0x7f || // DEL
      (code >= 0x80 && code <= 0x9f) || // C1 controls
      /\s/u.test(char) // Unicode whitespace (e.g. NBSP)
    ) {
      throw new Error(

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