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Remove dead code #33

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Merged
ggilder merged 1 commit into from
Jan 19, 2026
Merged

Remove dead code #33

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24 changes: 0 additions & 24 deletions __tests__/fixtures/test.diff
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This file was deleted.

12 changes: 1 addition & 11 deletions __tests__/utils/diff.test.ts
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Original file line number Diff line number Diff line change
@@ -1,15 +1,5 @@
import {test, expect} from 'vitest'
import {parseGitDiff, parsePatch} from '../../src/utils/diff'
import {getFixturePath} from '../fixtures/util'
import * as fs from 'fs'

test('should parse Git diff', async function () {
const path = getFixturePath('test.diff')
const diffOutput = fs.readFileSync(path, 'utf8')
const output = parseGitDiff(diffOutput)

expect(output).toMatchSnapshot()
})
import {parsePatch} from '../../src/utils/diff'

test('parsePatch should return empty array for empty patch', () => {
expect(parsePatch('')).toEqual([])
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64 changes: 0 additions & 64 deletions dist/index.js
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2 changes: 1 addition & 1 deletion dist/index.js.map
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73 changes: 0 additions & 73 deletions src/utils/diff.ts
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Original file line number Diff line number Diff line change
@@ -1,9 +1,3 @@
interface FileDiff {
filename: string
addedLines: number[]
deletedLines: number[]
}

/**
* Parse a single file's patch (from GitHub's listFiles API) to extract added line numbers.
* The patch format contains only hunk headers (@@) and changes, not the full diff header.
Expand Down Expand Up @@ -33,73 +27,6 @@ export function parsePatch(patch: string): number[] {
return addedLines
}

export function parseGitDiff(diffOutput: string): FileDiff[] {
const fileDiffs: FileDiff[] = []
const lines = diffOutput.split('\n')

let currentFileDiff: FileDiff | undefined
let currentAddedLines: number[] = []
let currentDeletedLines: number[] = []
let seenHeaderLine = false
let deletionCurrentLineNumber = 0
let additionCurrentLineNumber = 0

for (const line of lines) {
if (line.startsWith('diff --git')) {
// New file diff starts
if (currentFileDiff) {
currentFileDiff.addedLines = currentAddedLines
currentFileDiff.deletedLines = currentDeletedLines
fileDiffs.push(currentFileDiff)
}

currentFileDiff = {
filename: getFilenameFromDiffHeader(line),
addedLines: [],
deletedLines: []
}
currentAddedLines = []
currentDeletedLines = []
seenHeaderLine = false
} else if (line.startsWith('@@')) {
// Header line
seenHeaderLine = true
const lineInfo = getLineInfoFromHeaderLine(line)
deletionCurrentLineNumber = lineInfo.deletionStartingLineNumber
additionCurrentLineNumber = lineInfo.additionStartingLineNumber
} else if (line.startsWith('+') && seenHeaderLine) {
// Added line
currentAddedLines.push(additionCurrentLineNumber)
additionCurrentLineNumber++
} else if (line.startsWith('-') && seenHeaderLine) {
// Deleted line
currentDeletedLines.push(deletionCurrentLineNumber)
deletionCurrentLineNumber++
} else if (seenHeaderLine) {
// Context line
deletionCurrentLineNumber++
additionCurrentLineNumber++
}
}

// Add the last file diff
if (currentFileDiff) {
currentFileDiff.addedLines = currentAddedLines
currentFileDiff.deletedLines = currentDeletedLines
fileDiffs.push(currentFileDiff)
}

return fileDiffs
}

function getFilenameFromDiffHeader(header: string): string {
// Extract the filename from the diff header
const startIndex = header.indexOf(' a/') + 3
const endIndex = header.indexOf(' b/', startIndex)
const filename = header.substring(startIndex, endIndex)
return filename
}

function getLineInfoFromHeaderLine(line: string): {
deletionStartingLineNumber: number
additionStartingLineNumber: number
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