Method #readLine

csv/parse.ts:43–69

()

    };
  }
  #readLine(): string | null {
    if (this.#isEOF()) return null;

    let buffer = "";
    let hadNewline = false;
    while (this.#cursor < this.#input.length) {
      if (this.#input.startsWith("\r\n", this.#cursor)) {
        hadNewline = true;
        this.#cursor += 2;
        break;
      }
      if (
        this.#input.startsWith("\n", this.#cursor)
      ) {
        hadNewline = true;
        this.#cursor += 1;
        break;
      }
      buffer += this.#input[this.#cursor];
      this.#cursor += 1;
    }
    if (!hadNewline && buffer.endsWith("\r")) {
      buffer = buffer.slice(0, -1);
    }

    return buffer;
  }
  #isEOF(): boolean {
    return this.#cursor >= this.#input.length;
  }