| 1 | "use client"; |
| 2 | |
| 3 | import { Virtualizer } from |
| 4 | import { |
| 5 | PatchDiff, |
| 6 | VirtualizerContext, |
| 7 | WorkerPoolContextProvider, |
| 8 | } from "@pierre/diffs/react"; |
| 9 | import { useEffect, useRef |
| 10 | |
| 11 | import { Skeleton } |
| 12 | |
| 13 | import type { LazyFileDiffProps, |
| 14 | |
| 15 | const poolOptions = { |
| 16 | poolSize: 4, |
| 17 | workerFactory: () => |
| 18 | new Worker(new |
| 19 | type: "module", |
| 20 | }), |
| 21 | }; |
| 22 | |
| 23 | const highlighterOptions = { |
| 24 | theme: { light: " |
| 25 | } as const; |
| 26 | |
| 27 | const diffOptions = { |
| 28 | theme: { light: " |
| 29 | diffStyle: "split", |
| 30 | } as const; |
| 31 | |
| 32 | export function FileDiffs({ |
| 33 | // The page itself is the scroll container, so the virtualizer is built here rather than with the library's own scroll-box component. |
| 34 | const [virtualizer] |
| 35 | typeof window === " |
| 36 | ); |
| 37 | |
| 38 | useEffect(() => |
| 39 | virtualizer?.setup(document |
| 40 | return () => |
| 41 | }, [virtualizer]); |
| 42 | |
| 43 | return ( |
| 44 | <WorkerPoolContextProvider |
| 45 | poolOptions={poolOptions} |
| 46 | highlighterOptions={highlighterOptions} |
| 47 | > |
| 48 | <VirtualizerContext.Provider value={ |
| 49 | <div className="flex flex-col gap-4 |
| 50 | {files.map(( |
| 51 | <LazyFileDiff key={ |
| 52 | ))} |
| 53 | </div> |
| 54 | </VirtualizerContext.Provider> |
| 55 | </WorkerPoolContextProvider> |
| 56 | ); |
| 57 | } |
| 58 | |
| 59 | /** A patch of thousands of files is tens of megabytes, so each file is fetched on its own once it comes near the viewport. */ |
| 60 | function LazyFileDiff({ patchUrl |
| 61 | const container = |
| 62 | const [patch, |
| 63 | const [failed, |
| 64 | |
| 65 | useEffect(() => |
| 66 | const node = |
| 67 | if (!node || |
| 68 | |
| 69 | const controller = |
| 70 | const observer = |
| 71 | ([entry]) => |
| 72 | if (!entry.isIntersecting |
| 73 | observer.disconnect(); |
| 74 | |
| 75 | const url = |
| 76 | url.searchParams.set |
| 77 | |
| 78 | fetch(url, { |
| 79 | .then((response) |
| 80 | if (!response.ok |
| 81 | return response.text |
| 82 | }) |
| 83 | .then(setPatch) |
| 84 | .catch(() => |
| 85 | if (!controller.signal |
| 86 | }); |
| 87 | }, |
| 88 | { rootMargin: "800px 0px" |
| 89 | ); |
| 90 | |
| 91 | observer.observe(node |
| 92 | return () => |
| 93 | observer.disconnect(); |
| 94 | controller.abort(); |
| 95 | }; |
| 96 | }, [patchUrl, |
| 97 | |
| 98 | return ( |
| 99 | <div ref={container |
| 100 | {patch ? ( |
| 101 | <PatchDiff patch={ |
| 102 | ) : ( |
| 103 | <div className="flex flex-col gap-2 rounded-lg border p-4 |
| 104 | <span className="font-mono text-xs text-muted-foreground |
| 105 | {file.path} |
| 106 | </span> |
| 107 | {file.binary ? |
| 108 | <span className="text-xs text-muted-foreground |
| 109 | Binary file not shown |
| 110 | </span> |
| 111 | ) : failed ? |
| 112 | <span className="text-xs text-muted-foreground |
| 113 | Could not load this diff. |
| 114 | </span> |
| 115 | ) : ( |
| 116 | <Skeleton className=" |
| 117 | )} |
| 118 | </div> |
| 119 | )} |
| 120 | </div> |
| 121 | ); |
| 122 | } |