import type {  NativeReviewDiffRow,  NativeReviewDiffStyle,  NativeReviewDiffToken,} from "../diffs/nativeReviewDiffSurface";import type { ResolvedMobileCodeSurface } from "../../lib/appearancePreferences";import { MOBILE_CODE_SURFACE, MOBILE_TYPOGRAPHY } from "../../lib/typography";import type { SourceHighlightTokens } from "./sourceHighlightingState"; export const NATIVE_SOURCE_CONTENT_WIDTH = 32_000; export function createNativeSourceStyle(  codeSurface: ResolvedMobileCodeSurface,): NativeReviewDiffStyle {  return {    rowHeight: codeSurface.rowHeight,    contentWidth: NATIVE_SOURCE_CONTENT_WIDTH,    changeBarWidth: 0,    gutterWidth: codeSurface.gutterWidth,    codePadding: codeSurface.codePadding,    textVerticalInset: codeSurface.textVerticalInset,    codeFontSize: codeSurface.fontSize,    codeFontWeight: "regular",    lineNumberFontSize: codeSurface.lineNumberFontSize,    lineNumberFontWeight: "regular",    emptyStateFontSize: Math.round(      MOBILE_TYPOGRAPHY.label.fontSize * (codeSurface.fontSize / MOBILE_CODE_SURFACE.fontSize),    ),    emptyStateFontWeight: "medium",  };} const SOURCE_FILE_ID = "source-file"; function expandTabs(value: string): string {  return value.replace(/\t/g, "    ");} export function nativeSourceRowId(index: number): string {  return `source-line:${index}`;} export function buildNativeSourceRows(  lines: ReadonlyArray<string>,): ReadonlyArray<NativeReviewDiffRow> {  return lines.map((line, index) => ({    kind: "line",    id: nativeSourceRowId(index),    fileId: SOURCE_FILE_ID,    content: expandTabs(line),    change: "context",    newLineNumber: index + 1,  }));} export function buildNativeSourceTokens(  tokenLines: SourceHighlightTokens | null,): Readonly<Record<string, ReadonlyArray<NativeReviewDiffToken>>> {  if (tokenLines === null) {    return {};  }   return Object.fromEntries(    tokenLines.map((tokens, index) => [      nativeSourceRowId(index),      tokens.map((token) => ({        content: expandTabs(token.content),        color: token.color,        fontStyle: token.fontStyle,      })),    ]),  );}