Method peekToken

src/parser/token-reader.ts:64–70

* Peek at the next token without consuming it.

()

   * Peek at the next token without consuming it.
   */
  peekToken(): Token {
    if (this.cachedToken === null) {
      this.cachedToken = this.readToken();
    }

    return this.cachedToken;
  }

  /**
   * Read and consume the next token.