import { parsePatchFiles } from "@pierre/diffs/utils/parsePatchFiles";import type { ChangeTypes, FileDiffMetadata } from "@pierre/diffs/types";import type { OrchestrationCheckpointSummary, ReviewDiffPreviewSource } from "@t3tools/contracts";import * as Arr from "effect/Array";import { pipe } from "effect/Function";import * as Order from "effect/Order"; export type ReviewSectionKind = "turn" | "working-tree" | "branch-range"; const DIRTY_WORKTREE_SECTION_ID = "git:working-tree";const DIRTY_WORKTREE_TITLE = "Dirty worktree";const DIRTY_WORKTREE_SUBTITLE = "Tracked, staged, and untracked worktree changes"; export interface ReviewSectionItem { readonly id: string; readonly kind: ReviewSectionKind; readonly title: string; readonly subtitle: string | null; readonly diff: string | null; readonly isLoading: boolean;} export interface ReviewRenderableHunkRow { readonly kind: "hunk"; readonly id: string; readonly header: string; readonly context: string | null;} export interface ReviewRenderableLineRow { readonly kind: "line"; readonly id: string; readonly change: "context" | "add" | "delete"; readonly oldLineNumber: number | null; readonly newLineNumber: number | null; readonly content: string; readonly additionTokenIndex: number | null; readonly deletionTokenIndex: number | null; readonly comparison: { readonly change: "add" | "delete"; readonly tokenIndex: number; } | null;} export type ReviewRenderableRow = ReviewRenderableHunkRow | ReviewRenderableLineRow; export interface ReviewRenderableFile { readonly id: string; readonly cacheKey: string; readonly path: string; readonly previousPath: string | null; readonly changeType: ChangeTypes; readonly additions: number; readonly deletions: number; readonly languageHint: string | null; readonly additionLines: ReadonlyArray<string>; readonly deletionLines: ReadonlyArray<string>; readonly rows: ReadonlyArray<ReviewRenderableRow>;} export interface ReviewFileHeaderListItem { readonly kind: "file-header"; readonly id: string; readonly fileId: string; readonly file: ReviewRenderableFile; readonly expanded: boolean;} export interface ReviewFileSuppressedListItem { readonly kind: "file-suppressed"; readonly id: string; readonly fileId: string; readonly message: string; readonly actionLabel: string | null;} export interface ReviewHunkListItem { readonly kind: "hunk"; readonly id: string; readonly fileId: string; readonly file: ReviewRenderableFile; readonly row: ReviewRenderableHunkRow;} export interface ReviewLineListItem { readonly kind: "line"; readonly id: string; readonly fileId: string; readonly file: ReviewRenderableFile; readonly row: ReviewRenderableLineRow; readonly lineIndex: number;} export type ReviewListItem = | ReviewFileHeaderListItem | ReviewFileSuppressedListItem | ReviewHunkListItem | ReviewLineListItem; export type ReviewFilePreviewState = | { readonly kind: "render"; } | { readonly kind: "suppressed"; readonly reason: "non-text" | "large"; readonly title: string; readonly message: string; readonly actionLabel: string | null; }; export type ReviewParsedDiff = | { readonly kind: "empty"; } | { readonly kind: "raw"; readonly text: string; readonly reason: string; readonly notice: string | null; } | { readonly kind: "files"; readonly files: ReadonlyArray<ReviewRenderableFile>; readonly fileCount: number; readonly additions: number; readonly deletions: number; readonly notice: string | null; }; function checkpointTitle(checkpoint: OrchestrationCheckpointSummary): string { return `Turn ${checkpoint.checkpointTurnCount}`;} function checkpointSubtitle(checkpoint: OrchestrationCheckpointSummary): string { const fileCount = checkpoint.files.length; if (checkpoint.status !== "ready") { return `Diff ${checkpoint.status}`; } return `${fileCount} file${fileCount === 1 ? "" : "s"} changed`;} function compareCheckpointTurnCountDescending( left: OrchestrationCheckpointSummary, right: OrchestrationCheckpointSummary,): -1 | 0 | 1 { if (left.checkpointTurnCount === right.checkpointTurnCount) { return 0; } return left.checkpointTurnCount > right.checkpointTurnCount ? -1 : 1;} const readyCheckpointOrder = Order.make<OrchestrationCheckpointSummary>( compareCheckpointTurnCountDescending,); function gitSubtitle(section: ReviewDiffPreviewSource): string | null { if (section.kind === "working-tree") { return DIRTY_WORKTREE_SUBTITLE; } if (section.baseRef) { return `${section.baseRef} ... ${section.headRef ?? "HEAD"}`; } return "Base branch unavailable";} function stripGitPrefix(pathValue: string | undefined): string | null { if (!pathValue) { return null; } if (pathValue.startsWith("a/") || pathValue.startsWith("b/")) { return pathValue.slice(2); } return pathValue;} function stripTrailingNewline(value: string): string { return value.endsWith("\n") ? value.slice(0, -1) : value;} function splitTruncationMarker(diff: string): { readonly text: string; readonly truncated: boolean;} { const trimmed = diff.trimEnd(); if (!trimmed.endsWith("[truncated]")) { return { text: trimmed, truncated: false }; } return { text: trimmed.replace(/\n*\[truncated\]\s*$/, "").trimEnd(), truncated: true, };} function runDiffParserSilently<T>(callback: () => T): T { const originalConsoleError = console.error; console.error = () => undefined; try { return callback(); } finally { console.error = originalConsoleError; }} const FNV_OFFSET_BASIS_32 = 0x811c9dc5;const FNV_PRIME_32 = 0x01000193;const SECONDARY_HASH_SEED = 0x9e3779b9;const SECONDARY_HASH_MULTIPLIER = 0x85ebca6b;const LARGE_DIFF_LINE_THRESHOLD = 400;const LARGE_DIFF_CHARACTER_THRESHOLD = 24_000;const NON_TEXT_FILE_EXTENSIONS = new Set([ "png", "jpg", "jpeg", "gif", "webp", "bmp", "ico", "icns", "avif", "heic", "tif", "tiff", "mp3", "wav", "flac", "ogg", "m4a", "aac", "mp4", "mov", "avi", "mkv", "webm", "pdf", "zip", "gz", "tgz", "bz2", "7z", "rar", "woff", "woff2", "ttf", "otf", "eot", "wasm", "exe", "dll", "so", "dylib",]); function fnv1a32(input: string, seed: number, multiplier: number): number { let hash = seed >>> 0; for (let index = 0; index < input.length; index += 1) { hash ^= input.charCodeAt(index); hash = Math.imul(hash, multiplier) >>> 0; } return hash >>> 0;} function buildPatchCacheKey(patch: string, scope: string): string { const normalizedPatch = patch.trim(); const primary = fnv1a32(normalizedPatch, FNV_OFFSET_BASIS_32, FNV_PRIME_32).toString(36); const secondary = fnv1a32( normalizedPatch, SECONDARY_HASH_SEED, SECONDARY_HASH_MULTIPLIER, ).toString(36); return `${scope}:${normalizedPatch.length}:${primary}:${secondary}`;} function getFileExtension(path: string): string | null { const match = /\.([a-z0-9]+)$/i.exec(path); return match?.[1]?.toLowerCase() ?? null;} function countReviewRenderableLineRows(file: ReviewRenderableFile): number { return file.rows.reduce((total, row) => total + (row.kind === "line" ? 1 : 0), 0);} function countReviewRenderableCharacters(file: ReviewRenderableFile): number { return file.rows.reduce( (total, row) => total + (row.kind === "line" ? row.content.length : row.header.length), 0, );} export function getReviewFilePreviewState(file: ReviewRenderableFile): ReviewFilePreviewState { const extension = getFileExtension(file.path); if (extension && NON_TEXT_FILE_EXTENSIONS.has(extension)) { return { kind: "suppressed", reason: "non-text", title: "Non-text file", message: "Diff preview is not available for this file format.", actionLabel: null, }; } const lineCount = countReviewRenderableLineRows(file); const characterCount = countReviewRenderableCharacters(file); if (lineCount > LARGE_DIFF_LINE_THRESHOLD || characterCount > LARGE_DIFF_CHARACTER_THRESHOLD) { return { kind: "suppressed", reason: "large", title: "Large diff", message: "Large diffs are not rendered by default.", actionLabel: "Load diff", }; } return { kind: "render" };} // The flattened review list item model is inspired by pierre/diffs' iterator-first// virtualization architecture, adapted here for React Native virtualization.// Original project: https://github.com/pingdotgg/pierre/tree/main/packages/diffs// Reference files:// - src/utils/iterateOverDiff.ts// - src/components/VirtualizedFileDiff.tsexport function buildReviewListItems(input: { readonly files: ReadonlyArray<ReviewRenderableFile>; readonly expandedFileIds: ReadonlyArray<string>; readonly revealedLargeFileIds: ReadonlyArray<string>;}): ReadonlyArray<ReviewListItem> { const expandedFileIds = new Set(input.expandedFileIds); const revealedLargeFileIds = new Set(input.revealedLargeFileIds); const items: ReviewListItem[] = []; input.files.forEach((file) => { const expanded = expandedFileIds.has(file.id); items.push({ kind: "file-header", id: `${file.id}:header`, fileId: file.id, file, expanded, }); if (!expanded) { return; } const previewState = getReviewFilePreviewState(file); if (previewState.kind === "suppressed") { if (previewState.reason !== "large" || !revealedLargeFileIds.has(file.id)) { items.push({ kind: "file-suppressed", id: `${file.id}:suppressed`, fileId: file.id, message: previewState.message, actionLabel: previewState.actionLabel, }); return; } } let lineIndex = 0; file.rows.forEach((row, rowIndex) => { if (row.kind === "hunk") { items.push({ kind: "hunk", id: `${file.id}:row:${rowIndex}:${row.id}`, fileId: file.id, file, row, }); return; } items.push({ kind: "line", id: `${file.id}:row:${rowIndex}:${row.id}`, fileId: file.id, file, row, lineIndex, }); lineIndex += 1; }); }); return items;} function fallbackHunkHeader(hunk: FileDiffMetadata["hunks"][number]): string { return `@@ -${hunk.deletionStart},${hunk.deletionCount} +${hunk.additionStart},${hunk.additionCount} @@`;} function buildRenderableRows(file: FileDiffMetadata): ReadonlyArray<ReviewRenderableRow> { const rows: ReviewRenderableRow[] = []; let rowIndex = 0; file.hunks.forEach((hunk, hunkIndex) => { rows.push({ kind: "hunk", id: `${file.cacheKey ?? file.name}:hunk:${hunkIndex}`, header: fallbackHunkHeader(hunk), context: hunk.hunkContext ? stripTrailingNewline(hunk.hunkContext) : null, }); let deletionLineNumber = hunk.deletionStart; let additionLineNumber = hunk.additionStart; let deletionTokenIndex = hunk.deletionLineIndex; let additionTokenIndex = hunk.additionLineIndex; hunk.hunkContent.forEach((segment) => { if (segment.type === "context") { for (let index = 0; index < segment.lines; index += 1) { rows.push({ kind: "line", id: `${file.cacheKey ?? file.name}:row:${rowIndex++}`, change: "context", oldLineNumber: deletionLineNumber, newLineNumber: additionLineNumber, content: stripTrailingNewline( file.additionLines[additionTokenIndex] ?? file.deletionLines[deletionTokenIndex] ?? "", ), additionTokenIndex, deletionTokenIndex, comparison: null, }); deletionLineNumber += 1; additionLineNumber += 1; deletionTokenIndex += 1; additionTokenIndex += 1; } return; } const pairedLineCount = Math.min(segment.deletions, segment.additions); const deletionTokenIndexStart = deletionTokenIndex; const additionTokenIndexStart = additionTokenIndex; for (let index = 0; index < segment.deletions; index += 1) { rows.push({ kind: "line", id: `${file.cacheKey ?? file.name}:row:${rowIndex++}`, change: "delete", oldLineNumber: deletionLineNumber, newLineNumber: null, content: stripTrailingNewline(file.deletionLines[deletionTokenIndex] ?? ""), additionTokenIndex: null, deletionTokenIndex, comparison: index < pairedLineCount ? { change: "add", tokenIndex: additionTokenIndexStart + index, } : null, }); deletionLineNumber += 1; deletionTokenIndex += 1; } for (let index = 0; index < segment.additions; index += 1) { rows.push({ kind: "line", id: `${file.cacheKey ?? file.name}:row:${rowIndex++}`, change: "add", oldLineNumber: null, newLineNumber: additionLineNumber, content: stripTrailingNewline(file.additionLines[additionTokenIndex] ?? ""), additionTokenIndex, deletionTokenIndex: null, comparison: index < pairedLineCount ? { change: "delete", tokenIndex: deletionTokenIndexStart + index, } : null, }); additionLineNumber += 1; additionTokenIndex += 1; } }); }); return rows;} function mapRenderableFile(file: FileDiffMetadata): ReviewRenderableFile { const path = stripGitPrefix(file.name) ?? stripGitPrefix(file.prevName) ?? file.name; const previousPath = stripGitPrefix(file.prevName); const additions = file.hunks.reduce((total, hunk) => total + hunk.additionLines, 0); const deletions = file.hunks.reduce((total, hunk) => total + hunk.deletionLines, 0); const cacheKey = file.cacheKey ?? `${previousPath ?? "none"}:${path}:${file.type}`; return { id: cacheKey, cacheKey, path,Lines 1–500 of 639. Load more
import { parsePatchFiles } from "@pierre/diffs/utils/parsePatchFiles"; import type { ChangeTypes, FileDiffMetadata } from "@pierre/diffs/types"; import type { OrchestrationCheckpointSummary, ReviewDiffPreviewSource } from "@t3tools/contracts"; import * as Arr from "effect/Array"; import { pipe } from "effect/Function"; import * as Order from "effect/Order"; export type ReviewSectionKind = "turn" | "working-tree" | "branch-range"; const DIRTY_WORKTREE_SECTION_ID = "git:working-tree"; const DIRTY_WORKTREE_TITLE = "Dirty worktree"; const DIRTY_WORKTREE_SUBTITLE = "Tracked, staged, and untracked worktree changes"; export interface ReviewSectionItem { readonly id: string; readonly kind: ReviewSectionKind; readonly title: string; readonly subtitle: string | null; readonly diff: string | null; readonly isLoading: boolean; } export interface ReviewRenderableHunkRow { readonly kind: "hunk"; readonly id: string; readonly header: string; readonly context: string | null; } export interface ReviewRenderableLineRow { readonly kind: "line"; readonly id: string; readonly change: "context" | "add" | "delete"; readonly oldLineNumber: number | null; readonly newLineNumber: number | null; readonly content: string; readonly additionTokenIndex: number | null; readonly deletionTokenIndex: number | null; readonly comparison: { readonly change: "add" | "delete"; readonly tokenIndex: number; } | null; } export type ReviewRenderableRow = ReviewRenderableHunkRow | ReviewRenderableLineRow; export interface ReviewRenderableFile { readonly id: string; readonly cacheKey: string; readonly path: string; readonly previousPath: string | null; readonly changeType: ChangeTypes; readonly additions: number; readonly deletions: number; readonly languageHint: string | null; readonly additionLines: ReadonlyArray<string>; readonly deletionLines: ReadonlyArray<string>; readonly rows: ReadonlyArray<ReviewRenderableRow>; } export interface ReviewFileHeaderListItem { readonly kind: "file-header"; readonly id: string; readonly fileId: string; readonly file: ReviewRenderableFile; readonly expanded: boolean; } export interface ReviewFileSuppressedListItem { readonly kind: "file-suppressed"; readonly id: string; readonly fileId: string; readonly message: string; readonly actionLabel: string | null; } export interface ReviewHunkListItem { readonly kind: "hunk"; readonly id: string; readonly fileId: string; readonly file: ReviewRenderableFile; readonly row: ReviewRenderableHunkRow; } export interface ReviewLineListItem { readonly kind: "line"; readonly id: string; readonly fileId: string; readonly file: ReviewRenderableFile; readonly row: ReviewRenderableLineRow; readonly lineIndex: number; } export type ReviewListItem = | ReviewFileHeaderListItem | ReviewFileSuppressedListItem | ReviewHunkListItem | ReviewLineListItem; export type ReviewFilePreviewState = | { readonly kind: "render"; } | { readonly kind: "suppressed"; readonly reason: "non-text" | "large"; readonly title: string; readonly message: string; readonly actionLabel: string | null; }; export type ReviewParsedDiff = | { readonly kind: "empty"; } | { readonly kind: "raw"; readonly text: string; readonly reason: string; readonly notice: string | null; } | { readonly kind: "files"; readonly files: ReadonlyArray<ReviewRenderableFile>; readonly fileCount: number; readonly additions: number; readonly deletions: number; readonly notice: string | null; }; function checkpointTitle(checkpoint: OrchestrationCheckpointSummary): string { return `Turn ${checkpoint.checkpointTurnCount}`; } function checkpointSubtitle(checkpoint: OrchestrationCheckpointSummary): string { const fileCount = checkpoint.files.length; if (checkpoint.status !== "ready") { return `Diff ${checkpoint.status}`; } return `${fileCount} file${fileCount === 1 ? "" : "s"} changed`; } function compareCheckpointTurnCountDescending( left: OrchestrationCheckpointSummary, right: OrchestrationCheckpointSummary, ): -1 | 0 | 1 { if (left.checkpointTurnCount === right.checkpointTurnCount) { return 0; } return left.checkpointTurnCount > right.checkpointTurnCount ? -1 : 1; } const readyCheckpointOrder = Order.make<OrchestrationCheckpointSummary>( compareCheckpointTurnCountDescending, ); function gitSubtitle(section: ReviewDiffPreviewSource): string | null { if (section.kind === "working-tree") { return DIRTY_WORKTREE_SUBTITLE; } if (section.baseRef) { return `${section.baseRef} ... ${section.headRef ?? "HEAD"}`; } return "Base branch unavailable"; } function stripGitPrefix(pathValue: string | undefined): string | null { if (!pathValue) { return null; } if (pathValue.startsWith("a/") || pathValue.startsWith("b/")) { return pathValue.slice(2); } return pathValue; } function stripTrailingNewline(value: string): string { return value.endsWith("\n") ? value.slice(0, -1) : value; } function splitTruncationMarker(diff: string): { readonly text: string; readonly truncated: boolean; } { const trimmed = diff.trimEnd(); if (!trimmed.endsWith("[truncated]")) { return { text: trimmed, truncated: false }; } return { text: trimmed.replace(/\n*\[truncated\]\s*$/, "").trimEnd(), truncated: true, }; } function runDiffParserSilently<T>(callback: () => T): T { const originalConsoleError = console.error; console.error = () => undefined; try { return callback(); } finally { console.error = originalConsoleError; } } const FNV_OFFSET_BASIS_32 = 0x811c9dc5; const FNV_PRIME_32 = 0x01000193; const SECONDARY_HASH_SEED = 0x9e3779b9; const SECONDARY_HASH_MULTIPLIER = 0x85ebca6b; const LARGE_DIFF_LINE_THRESHOLD = 400; const LARGE_DIFF_CHARACTER_THRESHOLD = 24_000; const NON_TEXT_FILE_EXTENSIONS = new Set([ "png", "jpg", "jpeg", "gif", "webp", "bmp", "ico", "icns", "avif", "heic", "tif", "tiff", "mp3", "wav", "flac", "ogg", "m4a", "aac", "mp4", "mov", "avi", "mkv", "webm", "pdf", "zip", "gz", "tgz", "bz2", "7z", "rar", "woff", "woff2", "ttf", "otf", "eot", "wasm", "exe", "dll", "so", "dylib", ]); function fnv1a32(input: string, seed: number, multiplier: number): number { let hash = seed >>> 0; for (let index = 0; index < input.length; index += 1) { hash ^= input.charCodeAt(index); hash = Math.imul(hash, multiplier) >>> 0; } return hash >>> 0; } function buildPatchCacheKey(patch: string, scope: string): string { const normalizedPatch = patch.trim(); const primary = fnv1a32(normalizedPatch, FNV_OFFSET_BASIS_32, FNV_PRIME_32).toString(36); const secondary = fnv1a32( normalizedPatch, SECONDARY_HASH_SEED, SECONDARY_HASH_MULTIPLIER, ).toString(36); return `${scope}:${normalizedPatch.length}:${primary}:${secondary}`; } function getFileExtension(path: string): string | null { const match = /\.([a-z0-9]+)$/i.exec(path); return match?.[1]?.toLowerCase() ?? null; } function countReviewRenderableLineRows(file: ReviewRenderableFile): number { return file.rows.reduce((total, row) => total + (row.kind === "line" ? 1 : 0), 0); } function countReviewRenderableCharacters(file: ReviewRenderableFile): number { return file.rows.reduce( (total, row) => total + (row.kind === "line" ? row.content.length : row.header.length), 0, ); } export function getReviewFilePreviewState(file: ReviewRenderableFile): ReviewFilePreviewState { const extension = getFileExtension(file.path); if (extension && NON_TEXT_FILE_EXTENSIONS.has(extension)) { return { kind: "suppressed", reason: "non-text", title: "Non-text file", message: "Diff preview is not available for this file format.", actionLabel: null, }; } const lineCount = countReviewRenderableLineRows(file); const characterCount = countReviewRenderableCharacters(file); if (lineCount > LARGE_DIFF_LINE_THRESHOLD || characterCount > LARGE_DIFF_CHARACTER_THRESHOLD) { return { kind: "suppressed", reason: "large", title: "Large diff", message: "Large diffs are not rendered by default.", actionLabel: "Load diff", }; } return { kind: "render" }; } // The flattened review list item model is inspired by pierre/diffs' iterator-first // virtualization architecture, adapted here for React Native virtualization. // Original project: https://github.com/pingdotgg/pierre/tree/main/packages/diffs // Reference files: // - src/utils/iterateOverDiff.ts // - src/components/VirtualizedFileDiff.ts export function buildReviewListItems(input: { readonly files: ReadonlyArray<ReviewRenderableFile>; readonly expandedFileIds: ReadonlyArray<string>; readonly revealedLargeFileIds: ReadonlyArray<string>; }): ReadonlyArray<ReviewListItem> { const expandedFileIds = new Set(input.expandedFileIds); const revealedLargeFileIds = new Set(input.revealedLargeFileIds); const items: ReviewListItem[] = []; input.files.forEach((file) => { const expanded = expandedFileIds.has(file.id); items.push({ kind: "file-header", id: `${file.id}:header`, fileId: file.id, file, expanded, }); if (!expanded) { return; } const previewState = getReviewFilePreviewState(file); if (previewState.kind === "suppressed") { if (previewState.reason !== "large" || !revealedLargeFileIds.has(file.id)) { items.push({ kind: "file-suppressed", id: `${file.id}:suppressed`, fileId: file.id, message: previewState.message, actionLabel: previewState.actionLabel, }); return; } } let lineIndex = 0; file.rows.forEach((row, rowIndex) => { if (row.kind === "hunk") { items.push({ kind: "hunk", id: `${file.id}:row:${rowIndex}:${row.id}`, fileId: file.id, file, row, }); return; } items.push({ kind: "line", id: `${file.id}:row:${rowIndex}:${row.id}`, fileId: file.id, file, row, lineIndex, }); lineIndex += 1; }); }); return items; } function fallbackHunkHeader(hunk: FileDiffMetadata["hunks"][number]): string { return `@@ -${hunk.deletionStart},${hunk.deletionCount} +${hunk.additionStart},${hunk.additionCount} @@`; } function buildRenderableRows(file: FileDiffMetadata): ReadonlyArray<ReviewRenderableRow> { const rows: ReviewRenderableRow[] = []; let rowIndex = 0; file.hunks.forEach((hunk, hunkIndex) => { rows.push({ kind: "hunk", id: `${file.cacheKey ?? file.name}:hunk:${hunkIndex}`, header: fallbackHunkHeader(hunk), context: hunk.hunkContext ? stripTrailingNewline(hunk.hunkContext) : null, }); let deletionLineNumber = hunk.deletionStart; let additionLineNumber = hunk.additionStart; let deletionTokenIndex = hunk.deletionLineIndex; let additionTokenIndex = hunk.additionLineIndex; hunk.hunkContent.forEach((segment) => { if (segment.type === "context") { for (let index = 0; index < segment.lines; index += 1) { rows.push({ kind: "line", id: `${file.cacheKey ?? file.name}:row:${rowIndex++}`, change: "context", oldLineNumber: deletionLineNumber, newLineNumber: additionLineNumber, content: stripTrailingNewline( file.additionLines[additionTokenIndex] ?? file.deletionLines[deletionTokenIndex] ?? "", ), additionTokenIndex, deletionTokenIndex, comparison: null, }); deletionLineNumber += 1; additionLineNumber += 1; deletionTokenIndex += 1; additionTokenIndex += 1; } return; } const pairedLineCount = Math.min(segment.deletions, segment.additions); const deletionTokenIndexStart = deletionTokenIndex; const additionTokenIndexStart = additionTokenIndex; for (let index = 0; index < segment.deletions; index += 1) { rows.push({ kind: "line", id: `${file.cacheKey ?? file.name}:row:${rowIndex++}`, change: "delete", oldLineNumber: deletionLineNumber, newLineNumber: null, content: stripTrailingNewline(file.deletionLines[deletionTokenIndex] ?? ""), additionTokenIndex: null, deletionTokenIndex, comparison: index < pairedLineCount ? { change: "add", tokenIndex: additionTokenIndexStart + index, } : null, }); deletionLineNumber += 1; deletionTokenIndex += 1; } for (let index = 0; index < segment.additions; index += 1) { rows.push({ kind: "line", id: `${file.cacheKey ?? file.name}:row:${rowIndex++}`, change: "add", oldLineNumber: null, newLineNumber: additionLineNumber, content: stripTrailingNewline(file.additionLines[additionTokenIndex] ?? ""), additionTokenIndex, deletionTokenIndex: null, comparison: index < pairedLineCount ? { change: "delete", tokenIndex: deletionTokenIndexStart + index, } : null, }); additionLineNumber += 1; additionTokenIndex += 1; } }); }); return rows; } function mapRenderableFile(file: FileDiffMetadata): ReviewRenderableFile { const path = stripGitPrefix(file.name) ?? stripGitPrefix(file.prevName) ?? file.name; const previousPath = stripGitPrefix(file.prevName); const additions = file.hunks.reduce((total, hunk) => total + hunk.additionLines, 0); const deletions = file.hunks.reduce((total, hunk) => total + hunk.deletionLines, 0); const cacheKey = file.cacheKey ?? `${previousPath ?? "none"}:${path}:${file.type}`; return { id: cacheKey, cacheKey, path,