public static trimEnds()

in packages/blueprints/blueprint/src/resynthesis/merge-strategies/conflict-formatters.ts [36:71]

• 29 lines of code
• 8 McCabe index (conditional complexity)

  public static trimEnds(a: string, _o: string, b: string, options?: MergeConflictFormatterOptions): string {
    const aLines = splitLines(a);
    const bLines = splitLines(b);

    const resultLines: string[] = [];
    const minLength = Math.min(aLines.length, bLines.length);
    for (let i = 0; i < minLength; i++) {
      if (aLines[i] !== bLines[i]) {
        break;
      }

      resultLines.push(aLines[i]);
    }

    const commonPrefixLength = resultLines.length;
    let commonSuffix: string[] = [];
    for (let i = 0; i < minLength - commonPrefixLength; i++) {
      if (aLines[aLines.length - 1 - i] !== bLines[bLines.length - 1 - i]) {
        break;
      }

      commonSuffix.push(aLines[aLines.length - 1 - i]);
    }

    const aConflictLines = aLines.slice(commonPrefixLength, aLines.length - commonSuffix.length);
    const bConflictLines = bLines.slice(commonPrefixLength, bLines.length - commonSuffix.length);
    if (aConflictLines.length || bConflictLines.length) {
      resultLines.push(createConflictString(aConflictLines.join(''), bConflictLines.join(''), { ...options }));
    }

    if (commonSuffix.length) {
      resultLines.push(...commonSuffix.reverse());
    }

    return resultLines.join('');
  }