Function stripAtPrefix

packages/shared/at-reference.ts:29–32

(input: string)

 * Does not recurse: `@@foo` becomes `@foo`, not `foo`.
 */
export function stripAtPrefix(input: string): string {
  const unquoted = stripWrappingQuotes(input);
  return unquoted.startsWith("@") ? unquoted.slice(1) : unquoted;
}

/**
 * Resolve an `@`-prefixed user input by trying the stripped form first