components/media-library/examples.tsx

Functions

Imports

It imports components/content/content.react.tsx, components/content/content.ts, components/media-library/media-library.react.tsx, components/media/media.ts, components/message/message.react.tsx. No module of this repo imports it.

Source

1// Mounts the specimens: MediaLibrary as a host would hold it, with a small in-memory site standing
2// in for the content kit, and a stand-in router (links and GET forms inside a specimen change its
3// query in place), so every action can be tried on one page. The kit's words here are a
4// specimen's, not a contract.
5import { StrictMode, useRef, useState, type ComponentProps, type MouseEvent, type ReactNode } from "react";
6import { createRoot } from "react-dom/client";
7import { renderToStaticMarkup } from "react-dom/server";
8import type { ContentCan, IntentResult, MediaData, MediaQuery } from "../content/content.ts";
9import type { FormComponent } from "../content/content.react.tsx";
10import type { MediaRecord } from "../media/media.ts";
11import { MessageProvider } from "../message/message.react.tsx";
12import { MediaLibrary } from "./media-library.react.tsx";
13
14const ALL: ContentCan = { edit: true, publish: true, deleteContent: true, deleteMedia: true, decideMentions: true };
15const NONE: ContentCan = { edit: false, publish: false, deleteContent: false, deleteMedia: false, decideMentions: false };
16const thumb = (fill: string) => `data:image/svg+xml,${encodeURIComponent(`<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 320 320'><rect width='320' height='320' fill='${fill}'/><circle cx='160' cy='160' r='70' fill='white' opacity='.6'/></svg>`)}`;
17
18const file = (key: string, fill: string | null, over: Partial<MediaRecord>): MediaRecord => ({
19  key,
20  name: key.split("/").pop() ?? key,
21  url: `https://dustinedwards.info/media/${key}`,
22  thumb: fill ? thumb(fill) : undefined,
23  kind: fill ? "image" : "document",
24  type: fill ? "image/png" : "application/pdf",
25  bytes: 204800,
26  width: fill ? 1600 : undefined,
27  height: fill ? 900 : undefined,
28  uploaded: "2026-09-30",
29  alt: "",
30  altState: "missing",
31  title: "",
32  caption: "",
33  tags: [],
34  used: [],
35  state: "ready",
36  version: "v1",
37  usedUnknown: true,
38  ...over,
39});
40
41const USES: Record<string, MediaRecord["used"]> = {
42  "2026/09/foxhound-hero.png": [{ title: "Notes on the Foxhound release", href: "/editor/foxhound-release", how: "cover image" }],
43  "2026/09/mention-queue.png": [{ title: "What a mention queue is for", href: "/editor/mention-queue", how: "image in the body" }],
44  "2026/08/old-logo.png": [{ title: "About", href: "/editor/about", how: "image in the body" }],
45};
46
47const FILES: MediaRecord[] = [
48  file("2026/09/foxhound-hero.png", "#b29ae3", { alt: "The Foxhound dashboard with three sites reporting healthy", altState: "set", tags: ["release", "foxhound"], bytes: 421888 }),
49  file("2026/09/uptime-strip.png", "#7fc4c0", { tags: ["capsid"], bytes: 98304 }),
50  file("2026/09/mention-queue.png", "#d8c9f5", { alt: "The mention queue with four mentions waiting", altState: "set", tags: ["capsid"], bytes: 207872 }),
51  file("2026/09/divider.png", "#cfc8dc", { altState: "decorative", bytes: 4096 }),
52  file("2026/09/uptime-report.pdf", null, { tags: ["reports"], bytes: 1887436 }),
53  file("2026/08/old-logo.png", "#e9defa", { alt: "The previous logo", altState: "set", state: "binned", bytes: 40960 }),
54  file("2026/08/scan-0042.png", "#ece5ff", { state: "binned", bytes: 6291456 }),
55];
56
57const OFFERS: MediaData["offers"] = { upload: { maxBytes: 5 * 1024 * 1024, types: ["image/png", "image/jpeg", "image/webp", "application/pdf"] }, alt: true, tags: true, trash: true, delete: true };
58
59// What the kit's loader would give for a query over these files.
60function load(files: MediaRecord[], query: MediaQuery, over: Partial<MediaData> = {}): MediaData {
61  const trash = query.view === "trash";
62  const inView = files.filter((f) => (trash ? f.state === "binned" : f.state !== "binned"));
63  const rows = inView.filter((f) => (!query.q || f.name.includes(query.q)) && (!query.tag || f.tags.includes(query.tag)) && (query.lens !== "no-alt" || (f.kind === "image" && f.altState === "missing")));
64  const tagCounts = new Map<string, number>();
65  for (const f of inView) for (const t of f.tags) tagCounts.set(t, (tagCounts.get(t) ?? 0) + 1);
66  const inspect = files.find((f) => f.key === query.inspect);
67  return {
68    site: { name: "dustinedwards.info" },
69    query,
70    rows,
71    page: { nextCursor: null },
72    counts: { library: files.filter((f) => f.state !== "binned").length, trash: files.filter((f) => f.state === "binned").length },
73    tags: [...tagCounts].sort().map(([tag, count]) => ({ tag, count })),
74    offers: OFFERS,
75    can: ALL,
76    inspected: inspect ? { ...inspect, used: USES[inspect.key] ?? [], usedUnknown: false } : null,
77    extra: { lenses: [{ id: "no-alt", label: "No alt text", count: inView.filter((f) => f.kind === "image" && f.altState === "missing").length }] },
78    ...over,
79  };
80}
81
82interface Win {
83  mediaLog: Array<Record<string, string | string[]>>;
84}
85const win = window as unknown as Win;
86win.mediaLog = [];
87
88const queryOf = (params: URLSearchParams): MediaQuery => Object.fromEntries([...params].filter(([, v]) => v)) as MediaQuery;
89
90// The stand-in router: a GET form or a link to the library's own address changes the specimen's
91// query instead of leaving the page.
92function useRouter(initial: MediaQuery) {
93  const [query, setQuery] = useState(initial);
94  // One component for the specimen's life, so a re-render never remounts a form.
95  const [Form] = useState<FormComponent>(() => (props: ComponentProps<FormComponent>) => (
96    <form
97      {...props}
98      onSubmit={(e) => {
99        props.onSubmit?.(e);
100        if (e.defaultPrevented || (props.method ?? "get") !== "get") return;
101        e.preventDefault();
102        setQuery(queryOf(new URLSearchParams(new FormData(e.currentTarget) as unknown as Record<string, string>)));
103      }}
104    />
105  ));
106  const onClickCapture = (e: MouseEvent) => {
107    const a = (e.target as Element).closest("a[href]");
108    const href = a?.getAttribute("href") ?? "";
109    if (!href.startsWith("/media")) return;
110    e.preventDefault();
111    setQuery(queryOf(new URL(href, location.origin).searchParams));
112  };
113  return { query, Form, onClickCapture };
114}
115
116const fileWord = (n: number) => (n === 1 ? "file" : "files");
117
118// The in-memory site: what the content kit would do through site-api.
119function useSite() {
120  const live = useRef(FILES.map((f) => ({ ...f })));
121  const [, setTick] = useState(0);
122  const change = (f: (fs: MediaRecord[]) => MediaRecord[]) => {
123    live.current = f(live.current);
124    setTick((t) => t + 1);
125  };
126  const submit = async (form: FormData): Promise<IntentResult> => {
127    const entry: Record<string, string | string[]> = {};
128    for (const k of new Set(form.keys())) entry[k] = form.getAll(k).length > 1 ? form.getAll(k).map(String) : String(form.get(k));
129    win.mediaLog.push(entry);
130    await new Promise((r) => setTimeout(r, 40));
131    const intent = String(form.get("intent"));
132    const ids = form.getAll("ids").map(String);
133    const tag = String(form.get("tag") ?? "").trim();
134    const name = (id: string) => live.current.find((f) => f.key === id)?.name ?? id;
135    const some = (n: number) => (n === 1 ? `“${name(ids[0] ?? "")}”` : `${n} files`);
136    switch (intent) {
137      case "trash":
138      case "restore": {
139        const to = intent === "trash" ? "binned" : "ready";
140        change((fs) => fs.map((f) => (ids.includes(f.key) ? { ...f, state: to } : f)));
141        return intent === "trash" ? { ok: true, message: `Moved ${some(ids.length)} to Trash.`, undo: { intent: "restore", fields: { ids } } } : { ok: true, message: `Restored ${some(ids.length)}.`, undo: { intent: "trash", fields: { ids } } };
142      }
143      case "add-tags":
144      case "remove-tags": {
145        if (!tag) return { ok: false, message: "Type a tag first. Nothing was changed." };
146        const adding = intent === "add-tags";
147        const changed = ids.filter((id) => live.current.find((f) => f.key === id)?.tags.includes(tag) !== adding);
148        change((fs) => fs.map((f) => (changed.includes(f.key) ? { ...f, tags: adding ? [...f.tags, tag] : f.tags.filter((t) => t !== tag) } : f)));
149        return {
150          ok: true,
151          message: `${adding ? "Added" : "Removed"} the tag ${tag} ${adding ? "to" : "from"} ${changed.length} ${fileWord(changed.length)}.`,
152          outcomes: ids.map((id) => ({ id, ok: true, message: changed.includes(id) ? undefined : adding ? "Already had it." : "Did not have it." })),
153          undo: changed.length ? { intent: adding ? "remove-tags" : "add-tags", fields: { ids: changed, tag } } : undefined,
154        };
155      }
156      case "delete": {
157        if (String(form.get("confirm") ?? "") !== String(ids.length)) {
158          return { ok: false, message: "Confirm first.", confirm: { intent: "delete", title: `Delete ${ids.length} ${fileWord(ids.length)} for good?`, lead: "A file deleted for good cannot be brought back. The site refuses one that a post still uses.", items: ids.map(name), action: `Delete ${ids.length} ${fileWord(ids.length)}`, typeToConfirm: String(ids.length), fields: { ids } } };
159        }
160        const refused = ids.filter((id) => USES[id]?.length);
161        change((fs) => fs.filter((f) => !ids.includes(f.key) || refused.includes(f.key)));
162        return {
163          ok: refused.length === 0,
164          message: `Deleted ${ids.length - refused.length} ${fileWord(ids.length - refused.length)} for good${refused.length ? `; ${refused.length} refused` : ""}.`,
165          outcomes: ids.map((id) => (refused.includes(id) ? { id, ok: false, message: "Still used, so the site kept it.", usedBy: (USES[id] ?? []).map((u) => ({ type: "post", id: u.href, title: u.title, detail: u.how ?? "" })) } : { id, ok: true })),
166        };
167      }
168      case "save":
169      case "save-alt":
170      case "save-tags": {
171        const id = ids[0] ?? "";
172        const decorative = form.get("decorative") === "on";
173        const alt = String(form.get("alt") ?? "");
174        const tags = form.has("tags") ? String(form.get("tags")).split(",").map((t) => t.trim()).filter(Boolean) : undefined;
175        change((fs) => fs.map((f) => (f.key !== id ? f : { ...f, ...(form.has("alt") || decorative ? { alt: decorative ? "" : alt, altState: decorative ? "decorative" : alt.trim() ? "set" : "missing" } : {}), ...(tags ? { tags } : {}), version: `v${Date.now()}` })));
176        return { ok: true, message: `Saved ${some(1)}.` };
177      }
178      case "upload": {
179        const f = form.get("file");
180        if (!(f instanceof File) || !f.name) return { ok: false, message: "Choose a file first. Nothing was uploaded." };
181        change((fs) => [file(`2026/10/${f.name}`, "#bfe3d0", { alt: String(form.get("alt") ?? ""), altState: form.get("alt") ? "set" : "missing", bytes: f.size }), ...fs]);
182        return { ok: true, message: `Uploaded “${f.name}”.` };
183      }
184      default:
185        return { ok: false, message: `Nothing here runs “${intent}”.` };
186    }
187  };
188  return { files: live.current, submit };
189}
190
191function Editor() {
192  const { files, submit } = useSite();
193  const { query, Form, onClickCapture } = useRouter({});
194  return (
195    <div onClickCapture={onClickCapture}>
196      <MediaLibrary data={load(files, query)} action="/media" Form={Form} submit={submit} inspector="autosave" />
197    </div>
198  );
199}
200
201function Picker() {
202  const { query, Form, onClickCapture } = useRouter({});
203  return (
204    <div onClickCapture={onClickCapture}>
205      <MediaLibrary
206        data={load(FILES, query, { extra: undefined })}
207        action="/media"
208        Form={Form}
209        mode="picker"
210        onPick={(p) => {
211          const out = document.getElementById("picked");
212          if (out) out.textContent = `Picked ${p.id} with alt text “${p.alt}”.`;
213        }}
214      />
215    </div>
216  );
217}
218
219const reader = load(FILES, {}, { offers: { upload: null, alt: false, tags: false, trash: false, delete: false }, can: NONE, extra: undefined });
220
221const mounts: Record<string, () => ReactNode> = {
222  editor: () => (
223    <MessageProvider>
224      <Editor />
225    </MessageProvider>
226  ),
227  form: () => <MediaLibrary data={load(FILES, { inspect: "2026/09/uptime-strip.png" })} action="/media" />,
228  trash: () => <MediaLibrary data={load(FILES, { view: "trash", layout: "list" })} action="/media" />,
229  limited: () => <MediaLibrary data={reader} action="/media" />,
230  picker: () => <Picker />,
231  "picker-step": () => <MediaLibrary data={load(FILES, { pick: "2026/09/uptime-strip.png" }, { extra: undefined })} action="/media" mode="picker" />,
232  "empty-trash": () => <MediaLibrary data={load(FILES.filter((f) => f.state !== "binned"), { view: "trash" }, { extra: undefined })} action="/media" />,
233  "empty-match": () => <MediaLibrary data={load(FILES, { q: "lysogeny" }, { extra: undefined })} action="/media" />,
234};
235
236for (const el of document.querySelectorAll<HTMLElement>("[data-mount]")) {
237  const make = mounts[el.dataset.mount ?? ""];
238  if (make) createRoot(el).render(<StrictMode>{make()}</StrictMode>);
239}
240
241const staticHost = document.getElementById("media-static");
242if (staticHost) staticHost.innerHTML = renderToStaticMarkup(<MediaLibrary data={load(FILES, { inspect: "2026/09/foxhound-hero.png" })} action="/media" />, { identifierPrefix: "static" });