import { c as _c } from "react/compiler-runtime"; import type { StructuredPatchHunk } from 'diff'; import * as React from 'react'; import { memo } from 'react'; import { useSettings } from '../hooks/useSettings.js'; import { Box, NoSelect, RawAnsi, useTheme } from '../ink.js'; import { isFullscreenEnvEnabled } from '../utils/fullscreen.js'; import sliceAnsi from '../utils/sliceAnsi.js'; import { expectColorDiff } from './StructuredDiff/colorDiff.js'; import { StructuredDiffFallback } from './StructuredDiff/Fallback.js'; type Props = { patch: StructuredPatchHunk; dim: boolean; filePath: string; // File path for language detection firstLine: string | null; // First line of file for shebang detection fileContent?: string; // Full file content for syntax context (multiline strings, etc.) width: number; skipHighlighting?: boolean; // Skip syntax highlighting }; // REPL.tsx renders at two disjoint tree positions (transcript // early-return vs prompt-mode nested in FullscreenLayout), so ctrl+o // unmounts/remounts the entire message tree and React's memo cache is lost. // Keep both the NAPI result AND the pre-split gutter/content columns at // module level so the only work on remount is a WeakMap lookup plus two // leaves — not a fresh syntax highlight, nor N sliceAnsi // calls + 6N Yoga nodes. // // PR #21439 (fullscreen default-on) made gutterWidth>0 the default path, // reactivating the per-line branch that PR #20378 had bypassed. // Caching the split here restores the O(1)-leaves-per-diff invariant. type CachedRender = { lines: string[]; // Two RawAnsi columns replace what was N DiffLine rows. sliceAnsi work // moves from per-remount to cold-cache-only; parseToSpans is eliminated // entirely (RawAnsi bypasses Ansi parsing). gutterWidth: number; gutters: string[] | null; contents: string[] | null; }; const RENDER_CACHE = new WeakMap>(); // Gutter width matches the Rust module's layout: marker (1) + space + // right-aligned line number (max_digits) + space. Depends only on patch // identity (the WeakMap key), so it's cacheable alongside the NAPI output. function computeGutterWidth(patch: StructuredPatchHunk): number { const maxLineNumber = Math.max(patch.oldStart + patch.oldLines - 1, patch.newStart + patch.newLines - 1, 1); return maxLineNumber.toString().length + 3; // marker + 2 padding spaces } function renderColorDiff(patch: StructuredPatchHunk, firstLine: string | null, filePath: string, fileContent: string | null, theme: string, width: number, dim: boolean, splitGutter: boolean): CachedRender | null { const ColorDiff = expectColorDiff(); if (!ColorDiff) return null; // Defensive: if the gutter would eat the whole render width (narrow // terminal), skip the split. Rust already wraps to `width` so the // single-column output stays correct; we just lose noSelect. Without // this, sliceAnsi(line, gutterWidth) would return empty content and // RawAnsi(width<=0) is untested. const rawGutterWidth = splitGutter ? computeGutterWidth(patch) : 0; const gutterWidth = rawGutterWidth > 0 && rawGutterWidth < width ? rawGutterWidth : 0; const key = `${theme}|${width}|${dim ? 1 : 0}|${gutterWidth}|${firstLine ?? ''}|${filePath}`; let perHunk = RENDER_CACHE.get(patch); const hit = perHunk?.get(key); if (hit) return hit; const lines = new ColorDiff(patch, firstLine, filePath, fileContent).render(theme, width, dim); if (lines === null) return null; // Pre-split the gutter column once (cold-cache). sliceAnsi preserves // styles across the cut; the Rust module already pads the gutter to // gutterWidth so the narrow RawAnsi column's width matches its cells. let gutters: string[] | null = null; let contents: string[] | null = null; if (gutterWidth > 0) { gutters = lines.map(l => sliceAnsi(l, 0, gutterWidth)); contents = lines.map(l => sliceAnsi(l, gutterWidth)); } const entry: CachedRender = { lines, gutterWidth, gutters, contents }; if (!perHunk) { perHunk = new Map(); RENDER_CACHE.set(patch, perHunk); } // Cap the inner map: width is part of the key, so terminal resize while a // diff is visible accumulates a full render copy per distinct width. Four // variants (two widths × dim on/off) covers the steady state; beyond that // the user is actively resizing and old widths are stale. if (perHunk.size >= 4) perHunk.clear(); perHunk.set(key, entry); return entry; } export const StructuredDiff = memo(function StructuredDiff(t0) { const $ = _c(26); const { patch, dim, filePath, firstLine, fileContent, width, skipHighlighting: t1 } = t0; const skipHighlighting = t1 === undefined ? false : t1; const [theme] = useTheme(); const settings = useSettings(); const syntaxHighlightingDisabled = settings.syntaxHighlightingDisabled ?? false; const safeWidth = Math.max(1, Math.floor(width)); let t2; if ($[0] !== dim || $[1] !== fileContent || $[2] !== filePath || $[3] !== firstLine || $[4] !== patch || $[5] !== safeWidth || $[6] !== skipHighlighting || $[7] !== syntaxHighlightingDisabled || $[8] !== theme) { const splitGutter = isFullscreenEnvEnabled(); t2 = skipHighlighting || syntaxHighlightingDisabled ? null : renderColorDiff(patch, firstLine, filePath, fileContent ?? null, theme, safeWidth, dim, splitGutter); $[0] = dim; $[1] = fileContent; $[2] = filePath; $[3] = firstLine; $[4] = patch; $[5] = safeWidth; $[6] = skipHighlighting; $[7] = syntaxHighlightingDisabled; $[8] = theme; $[9] = t2; } else { t2 = $[9]; } const cached = t2; if (!cached) { let t3; if ($[10] !== dim || $[11] !== patch || $[12] !== width) { t3 = ; $[10] = dim; $[11] = patch; $[12] = width; $[13] = t3; } else { t3 = $[13]; } return t3; } const { lines, gutterWidth, gutters, contents } = cached; if (gutterWidth > 0 && gutters && contents) { let t3; if ($[14] !== gutterWidth || $[15] !== gutters) { t3 = ; $[14] = gutterWidth; $[15] = gutters; $[16] = t3; } else { t3 = $[16]; } const t4 = safeWidth - gutterWidth; let t5; if ($[17] !== contents || $[18] !== t4) { t5 = ; $[17] = contents; $[18] = t4; $[19] = t5; } else { t5 = $[19]; } let t6; if ($[20] !== t3 || $[21] !== t5) { t6 = {t3}{t5}; $[20] = t3; $[21] = t5; $[22] = t6; } else { t6 = $[22]; } return t6; } let t3; if ($[23] !== lines || $[24] !== safeWidth) { t3 = ; $[23] = lines; $[24] = safeWidth; $[25] = t3; } else { t3 = $[25]; } return t3; }); //# sourceMappingURL=data:application/json;charset=utf-8;base64,{"version":3,"names":["StructuredPatchHunk","React","memo","useSettings","Box","NoSelect","RawAnsi","useTheme","isFullscreenEnvEnabled","sliceAnsi","expectColorDiff","StructuredDiffFallback","Props","patch","dim","filePath","firstLine","fileContent","width","skipHighlighting","CachedRender","lines","gutterWidth","gutters","contents","RENDER_CACHE","WeakMap","Map","computeGutterWidth","maxLineNumber","Math","max","oldStart","oldLines","newStart","newLines","toString","length","renderColorDiff","theme","splitGutter","ColorDiff","rawGutterWidth","key","perHunk","get","hit","render","map","l","entry","set","size","clear","StructuredDiff","t0","$","_c","t1","undefined","settings","syntaxHighlightingDisabled","safeWidth","floor","t2","cached","t3","t4","t5","t6"],"sources":["StructuredDiff.tsx"],"sourcesContent":["import type { StructuredPatchHunk } from 'diff'\nimport * as React from 'react'\nimport { memo } from 'react'\nimport { useSettings } from '../hooks/useSettings.js'\nimport { Box, NoSelect, RawAnsi, useTheme } from '../ink.js'\nimport { isFullscreenEnvEnabled } from '../utils/fullscreen.js'\nimport sliceAnsi from '../utils/sliceAnsi.js'\nimport { expectColorDiff } from './StructuredDiff/colorDiff.js'\nimport { StructuredDiffFallback } from './StructuredDiff/Fallback.js'\n\ntype Props = {\n  patch: StructuredPatchHunk\n  dim: boolean\n  filePath: string // File path for language detection\n  firstLine: string | null // First line of file for shebang detection\n  fileContent?: string // Full file content for syntax context (multiline strings, etc.)\n  width: number\n  skipHighlighting?: boolean // Skip syntax highlighting\n}\n\n// REPL.tsx renders <Messages> at two disjoint tree positions (transcript\n// early-return vs prompt-mode nested in FullscreenLayout), so ctrl+o\n// unmounts/remounts the entire message tree and React's memo cache is lost.\n// Keep both the NAPI result AND the pre-split gutter/content columns at\n// module level so the only work on remount is a WeakMap lookup plus two\n// <ink-raw-ansi> leaves — not a fresh syntax highlight, nor N sliceAnsi\n// calls + 6N Yoga nodes.\n//\n// PR #21439 (fullscreen default-on) made gutterWidth>0 the default path,\n// reactivating the per-line <DiffLine> branch that PR #20378 had bypassed.\n// Caching the split here restores the O(1)-leaves-per-diff invariant.\ntype CachedRender = {\n  lines: string[]\n  // Two RawAnsi columns replace what was N DiffLine rows. sliceAnsi work\n  // moves from per-remount to cold-cache-only; parseToSpans is eliminated\n  // entirely (RawAnsi bypasses Ansi parsing).\n  gutterWidth: number\n  gutters: string[] | null\n  contents: string[] | null\n}\nconst RENDER_CACHE = new WeakMap<\n  StructuredPatchHunk,\n  Map<string, CachedRender>\n>()\n\n// Gutter width matches the Rust module's layout: marker (1) + space +\n// right-aligned line number (max_digits) + space. Depends only on patch\n// identity (the WeakMap key), so it's cacheable alongside the NAPI output.\nfunction computeGutterWidth(patch: StructuredPatchHunk): number {\n  const maxLineNumber = Math.max(\n    patch.oldStart + patch.oldLines - 1,\n    patch.newStart + patch.newLines - 1,\n    1,\n  )\n  return maxLineNumber.toString().length + 3 // marker + 2 padding spaces\n}\n\nfunction renderColorDiff(\n  patch: StructuredPatchHunk,\n  firstLine: string | null,\n  filePath: string,\n  fileContent: string | null,\n  theme: string,\n  width: number,\n  dim: boolean,\n  splitGutter: boolean,\n): CachedRender | null {\n  const ColorDiff = expectColorDiff()\n  if (!ColorDiff) return null\n\n  // Defensive: if the gutter would eat the whole render width (narrow\n  // terminal), skip the split. Rust already wraps to `width` so the\n  // single-column output stays correct; we just lose noSelect. Without\n  // this, sliceAnsi(line, gutterWidth) would return empty content and\n  // RawAnsi(width<=0) is untested.\n  const rawGutterWidth = splitGutter ? computeGutterWidth(patch) : 0\n  const gutterWidth =\n    rawGutterWidth > 0 && rawGutterWidth < width ? rawGutterWidth : 0\n\n  const key = `${theme}|${width}|${dim ? 1 : 0}|${gutterWidth}|${firstLine ?? ''}|${filePath}`\n\n  let perHunk = RENDER_CACHE.get(patch)\n  const hit = perHunk?.get(key)\n  if (hit) return hit\n\n  const lines = new ColorDiff(patch, firstLine, filePath, fileContent).render(\n    theme,\n    width,\n    dim,\n  )\n  if (lines === null) return null\n\n  // Pre-split the gutter column once (cold-cache). sliceAnsi preserves\n  // styles across the cut; the Rust module already pads the gutter to\n  // gutterWidth so the narrow RawAnsi column's width matches its cells.\n  let gutters: string[] | null = null\n  let contents: string[] | null = null\n  if (gutterWidth > 0) {\n    gutters = lines.map(l => sliceAnsi(l, 0, gutterWidth))\n    contents = lines.map(l => sliceAnsi(l, gutterWidth))\n  }\n\n  const entry: CachedRender = { lines, gutterWidth, gutters, contents }\n\n  if (!perHunk) {\n    perHunk = new Map()\n    RENDER_CACHE.set(patch, perHunk)\n  }\n  // Cap the inner map: width is part of the key, so terminal resize while a\n  // diff is visible accumulates a full render copy per distinct width. Four\n  // variants (two widths × dim on/off) covers the steady state; beyond that\n  // the user is actively resizing and old widths are stale.\n  if (perHunk.size >= 4) perHunk.clear()\n  perHunk.set(key, entry)\n  return entry\n}\n\nexport const StructuredDiff = memo(function StructuredDiff({\n  patch,\n  dim,\n  filePath,\n  firstLine,\n  fileContent,\n  width,\n  skipHighlighting = false,\n}: Props): React.ReactNode {\n  const [theme] = useTheme()\n  const settings = useSettings()\n  const syntaxHighlightingDisabled =\n    settings.syntaxHighlightingDisabled ?? false\n\n  // Ensure width is at least 1 to prevent crashes in the Rust NAPI module\n  // which expects u32 (can't handle negative numbers)\n  const safeWidth = Math.max(1, Math.floor(width))\n\n  // Only split out a noSelect gutter in fullscreen mode — terminal native\n  // selection is used otherwise and noSelect is meaningless. Both branches\n  // are now O(1) Yoga leaves per diff on remount (2 vs 1), so this gate\n  // only saves cold-cache sliceAnsi work when fullscreen is off.\n  const splitGutter = isFullscreenEnvEnabled()\n\n  const cached =\n    skipHighlighting || syntaxHighlightingDisabled\n      ? null\n      : renderColorDiff(\n          patch,\n          firstLine,\n          filePath,\n          fileContent ?? null,\n          theme,\n          safeWidth,\n          dim,\n          splitGutter,\n        )\n\n  if (!cached) {\n    return (\n      <Box>\n        <StructuredDiffFallback patch={patch} dim={dim} width={width} />\n      </Box>\n    )\n  }\n\n  const { lines, gutterWidth, gutters, contents } = cached\n\n  // Two-column layout: gutter (noSelect) + content. NoSelect marks the\n  // Box's computed bounds non-selectable; RawAnsi's measure func sets\n  // rawHeight=lines.length, so one tall leaf gets the same noSelect\n  // coverage N per-row Boxes would — without the per-row Yoga cost.\n  if (gutterWidth > 0 && gutters && contents) {\n    return (\n      <Box flexDirection=\"row\">\n        <NoSelect fromLeftEdge>\n          <RawAnsi lines={gutters} width={gutterWidth} />\n        </NoSelect>\n        <RawAnsi lines={contents} width={safeWidth - gutterWidth} />\n      </Box>\n    )\n  }\n\n  return (\n    <Box>\n      <RawAnsi lines={lines} width={safeWidth} />\n    </Box>\n  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