[waleedcodes]

📌 Pull Request #14 of 58: diffParser.ts

📂 File & Architectural Context

• Target File: src/git/diffParser.ts
• Architectural Layer: Git Diff Intelligence Engine
• Scope Identifier: git/diff

🎯 Overview & Motivation

Parses unified Git diffs into structured file objects, tracking old/new paths, added/deleted line numbers, and modified line ranges.

🔍 Detailed Delta & Technical Implementation

• Implemented DiffParser.parse() handling multi-file diff outputs.
• Extracted old and new file paths supporting added, deleted, and renamed files.
• Parsed @@ -oldStart,oldLines +newStart,newLines @@ hunk headers.
• Computed exact arrays of addedLines and deletedLines for line-precise risk analysis.

🛡️ Quality Gates & Verification

• Target Base Branch: working
• TypeScript Type Safety: 0 errors (tsc --noEmit).
• Code Quality: 0 ESLint warnings (eslint src --ext .ts).
• Test Suite: 34 / 34 passing tests across 13 test suites (vitest run).
• Production Bundle: Bundled in <700ms with esbuild.
• Verification Details: Passed all unit tests in tests/diffParser.test.ts.

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Generated by ProofCode automated delivery pipeline with granular 3-commit pull requests against development branch working.