Method getLineNumber

src/extraction/liquid-extractor.ts:377–380

* Get the line number for a character index

(index: number)

   * Get the line number for a character index
   */
  private getLineNumber(index: number): number {
    const substring = this.source.substring(0, index);
    return (substring.match(/\n/g) || []).length + 1;
  }

  /**
   * Get the character index of the start of a line