| 1 | // Mini-apps: small client-side programs that trade typed events over the same |
| 2 | // end-to-end-encrypted thread stream chat uses. The server only ever sees |
| 3 | // ciphertext, so it can't route or run app logic — an app lives entirely in the |
| 4 | // browser and derives its state by folding the thread's event stream. In other |
| 5 | // words: the encrypted thread log IS the app's database. |
| 6 | // |
| 7 | // An app is four small things: |
| 8 | // - an events map — `{ "todo.add": (state, event) => state }`. Its KEYS are the |
| 9 | // event types the app owns (`todo.add`), carried as `type` inside the payload |
| 10 | // exactly like a chat message's type (old clients that don't know the app just |
| 11 | // ignore them); its VALUES fold each event into new state. One declaration is |
| 12 | // the whole model — the owned types and the reducer are both derived from it, |
| 13 | // so there's no separate `types` array to keep in sync. |
| 14 | // - an initialState factory — `() => ({ items: [] })`, the empty state. |
| 15 | // - commands it registers (`/todo …`) that emit events. |
| 16 | // - a surface where its state renders (full-pane for a personal app, a panel |
| 17 | // above the feed for a shared one; plus an optional inline stream line). |
| 18 | // |
| 19 | // State is folded from the messages currently loaded for a thread (the "window" |
| 20 | // the client already holds). That's enough to prove the model; a later snapshot |
| 21 | // blob can make state survive reload/late-join without re-folding history — the |
| 22 | // reducer shape here is deliberately snapshot-ready. |
| 23 | |
| 24 | import { BOT_COMMANDS } from "./bot-commands.js"; |
| 25 | import { parseMessage, renderTree } from "./markdown.js"; |
| 26 | |
| 27 | const apps = []; |
| 28 | const typeOwner = new Map(); // event type → owning app |
| 29 | const commandOwner = new Map(); // "/todo" → owning app (app commands; bot commands live in BOT_COMMANDS) |
| 30 | |
| 31 | // injectStyles adds a <style> once, keyed so re-registration never duplicates |
| 32 | // it. This is how an app ships its own CSS *inside its own file* — no edits to |
| 33 | // the shared stylesheet, so a mini-app is a single self-contained module. Runs |
| 34 | // only in the browser (guarded so apps.js stays importable in Node tests). |
| 35 | function injectStyles(key, css) { |
| 36 | if (!css || typeof document === "undefined") return; |
| 37 | const id = "app-style-" + key; |
| 38 | if (document.getElementById(id)) return; |
| 39 | const el = document.createElement("style"); |
| 40 | el.id = id; |
| 41 | el.textContent = css; |
| 42 | document.head.appendChild(el); |
| 43 | } |
| 44 | |
| 45 | // The framework's own chrome: the panel mount + per-app section, and the generic |
| 46 | // stream line. Everything app-specific ships in the app's own `styles`. Injected |
| 47 | // on load so nothing mini-app-related has to live in the shared style.css. |
| 48 | injectStyles( |
| 49 | "framework", |
| 50 | `.app-surface { display: flex; flex-direction: column; flex: 0 0 auto; } |
| 51 | .app-panel { |
| 52 | padding: 10px 16px; border-bottom: 1px solid var(--border); |
| 53 | background: var(--panel); max-height: 40vh; overflow-y: auto; |
| 54 | } |
| 55 | .app-panel:empty { display: none; } |
| 56 | .app-line { align-self: center; font-size: 12px; color: var(--muted); padding: 4px 0; text-align: center; } |
| 57 | /* Personal app-thread: the app renders full-pane instead of the chat feed. |
| 58 | The hides target the CLASSIC elements only (direct children of the thread |
| 59 | view), so an app is free to reuse the same class names — e.g. the chat app |
| 60 | builds a .feed/.composer of its own inside the pane and inherits the original feed's |
| 61 | stylesheet wholesale. */ |
| 62 | .app-pane { display: none; } |
| 63 | .thread-view.app-mode > .feed, |
| 64 | .thread-view.app-mode > .app-surface, |
| 65 | .thread-view.app-mode > .composer, |
| 66 | .thread-view.app-mode > .composer-float, |
| 67 | .thread-view.app-mode > .typing, |
| 68 | .thread-view.app-mode > .typeahead, |
| 69 | .thread-view.app-mode > .composer-reply, |
| 70 | .thread-view.app-mode > .composer-edit, |
| 71 | .thread-view.app-mode > .drop-overlay { display: none !important; } |
| 72 | .thread-view.app-mode .app-pane { |
| 73 | display: flex; flex-direction: column; flex: 1 1 auto; min-height: 0; |
| 74 | overflow-y: auto; padding: 16px; gap: 10px; |
| 75 | } |
| 76 | /* A command's transient results panel (see openCommandPanel): in-flow chrome |
| 77 | above the composer (default) or above the feed (.cmd-panel--top), occupying |
| 78 | layout space — never floating over content (CLAUDE.md). */ |
| 79 | .cmd-panel { |
| 80 | flex: 0 0 auto; display: flex; flex-direction: column; min-height: 0; |
| 81 | background: var(--panel); border-top: 1px solid var(--border); |
| 82 | box-shadow: 0 -6px 18px var(--shadow); /* a subtle lift off the feed above */ |
| 83 | } |
| 84 | .cmd-panel--top { |
| 85 | border-top: none; border-bottom: 1px solid var(--border); |
| 86 | box-shadow: 0 6px 18px var(--shadow); /* pinned at the top — cast downward */ |
| 87 | } |
| 88 | .cmd-panel-head { |
| 89 | display: flex; align-items: center; gap: 6px; padding: 8px 14px 0; |
| 90 | font-size: 12px; color: var(--muted); |
| 91 | } |
| 92 | .cmd-panel-title { font-weight: 600; flex: 1 1 auto; min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; } |
| 93 | .cmd-panel-extra { flex: 0 0 auto; display: flex; align-items: center; } |
| 94 | .cmd-panel-x { |
| 95 | flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center; |
| 96 | border: none; background: none; color: var(--muted); |
| 97 | font-size: 16px; line-height: 1; padding: 4px; cursor: pointer; border-radius: 6px; |
| 98 | } |
| 99 | .cmd-panel-x svg { width: 16px; height: 16px; display: block; } |
| 100 | .cmd-panel-x:hover { color: var(--ink); background: var(--bubble-them); } |
| 101 | .cmd-panel-body { padding: 8px 14px 10px; max-height: 34vh; overflow-y: auto; } |
| 102 | /* The side placement: a full-height right column — a vertical sidebar for |
| 103 | list-shaped panels (views). The root reserves the gutter with padding, so |
| 104 | the column occupies real layout space (nothing floats over content); on |
| 105 | narrow screens it falls back to the in-flow bottom band. */ |
| 106 | @media (min-width: 721px) { |
| 107 | .chatapp-root.has-side-panel { padding-right: min(340px, 40%); } |
| 108 | .cmd-panel--side { |
| 109 | position: absolute; top: 0; right: 0; bottom: 0; width: min(340px, 40%); |
| 110 | border-top: none; border-left: 1px solid var(--border); |
| 111 | box-shadow: none; |
| 112 | } |
| 113 | .cmd-panel--side .cmd-panel-head { padding-top: 12px; } |
| 114 | .cmd-panel--side .cmd-panel-body { max-height: none; flex: 1 1 auto; } |
| 115 | } |
| 116 | /* An app's glyph avatar (sidebar + header) and the "app" badge on its row. */ |
| 117 | .app-avatar { display: flex; align-items: center; justify-content: center; background: var(--bubble-them); font-size: 18px; } |
| 118 | /* A vendored brand logo inside an avatar or notice glyph slot (appGlyphInto): |
| 119 | sized to sit like the emoji it replaces, inked like text. */ |
| 120 | .app-logo svg { width: 55%; height: 55%; display: block; color: var(--ink); } |
| 121 | .local-notice-glyph.app-logo svg { width: 14px; height: 14px; } |
| 122 | .app-badge { |
| 123 | font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; |
| 124 | color: var(--muted); background: var(--bubble-them); border-radius: 6px; |
| 125 | padding: 1px 5px; margin-left: 6px; vertical-align: middle; |
| 126 | } |
| 127 | /* The space band's row badge: the same pill, tinted to the accent so a space |
| 128 | home reads differently from a personal app-thread at a glance — but the |
| 129 | word "space" carries the meaning (state is never color alone). */ |
| 130 | .app-badge.space-badge { color: var(--accent-ink, #fff); background: var(--accent); } |
| 131 | /* A space copy's tile pairs the SPACE's photo with the app's glyph as EQUAL |
| 132 | halves — two same-sized circles, photo upper-left, glyph lower-right, |
| 133 | overlapping on the diagonal — so the space row and the personal app-thread |
| 134 | stop being visual twins, and neither identity reads as subordinate. |
| 135 | Reinforcement only: the row's title, badge, and resting line carry the |
| 136 | state in words. */ |
| 137 | .space-app-avatar { position: relative; background: none; } |
| 138 | .space-app-photo { |
| 139 | position: absolute; top: 0; left: 0; width: 65%; height: 65%; |
| 140 | border-radius: 50%; background-size: cover; background-position: center; |
| 141 | } |
| 142 | .space-app-glyph { |
| 143 | position: absolute; right: 0; bottom: 0; width: 65%; height: 65%; |
| 144 | display: flex; align-items: center; justify-content: center; font-size: 12px; |
| 145 | background: var(--bubble-them); border: 1px solid var(--border); border-radius: 50%; |
| 146 | } |
| 147 | /* Place badges — where an app copy lives ("This chat" / "Everyone" / "Yours"; |
| 148 | the places grammar, docs/space-apps.md). Same pill as .app-badge: the words |
| 149 | carry the meaning, colour identity can come with a later design pass. */ |
| 150 | .place-badge { |
| 151 | font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; |
| 152 | color: var(--muted); background: var(--bubble-them); border: 1px solid var(--border); |
| 153 | border-radius: 6px; padding: 1px 5px; margin-left: 6px; vertical-align: middle; white-space: nowrap; |
| 154 | } |
| 155 | /* The one-time orientation card atop a shared app's Interface pane: says WHERE |
| 156 | this copy lives. In-flow (occupies layout space, never floats — CLAUDE.md), |
| 157 | dismissed once per copy. .group-app-root is the app's own container under |
| 158 | it, so an app's render can never wipe the host's card. */ |
| 159 | .place-card { |
| 160 | flex: 0 0 auto; display: flex; align-items: baseline; gap: 6px; |
| 161 | font-size: 12.5px; color: var(--muted); background: var(--bubble-them); |
| 162 | border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; margin-bottom: 10px; |
| 163 | } |
| 164 | .place-card b { color: var(--ink); font-weight: 600; white-space: nowrap; } |
| 165 | .place-card span { flex: 1 1 auto; } |
| 166 | .place-card button { |
| 167 | border: none; background: none; color: var(--muted); font-size: 14px; line-height: 1; |
| 168 | cursor: pointer; padding: 0 2px; border-radius: 4px; flex: 0 0 auto; align-self: center; |
| 169 | } |
| 170 | .place-card button:hover { color: var(--ink); } |
| 171 | .group-app-root { flex: 1 1 auto; min-height: 0; display: flex; flex-direction: column; }`, |
| 172 | ); |
| 173 | |
| 174 | // namespace(ns) is the one-declaration helper an app uses to derive every string |
| 175 | // it prefixes with its own name — so the prefix lives in ONE place and can never |
| 176 | // drift (Invariant #4: event types are globally unique, namespaced by app). It |
| 177 | // returns a tiny resolver: |
| 178 | // N.ev("add") → "todo.add" — an event TYPE (joined with ".", the wire string |
| 179 | // that crosses to native — see the event-vector |
| 180 | // contract; the helper only spells it, it does |
| 181 | // not change it) |
| 182 | // N.cls("item")→ "todo-item" — a CSS CLASS name (joined with "-") |
| 183 | // Use it for the `events` map keys (computed: `[N.ev("add")]: …`), for `ctx.emit` |
| 184 | // types, for `e.type === N.ev("add")` comparisons, and for className / selector |
| 185 | // strings in render. `ev` passes a name that already carries a "." through |
| 186 | // untouched, so a full type ("chat.msg") or another app's type still resolves — |
| 187 | // which keeps migration a safe find-and-replace. Pure + exported so it's unit |
| 188 | // tested without a DOM, and mirrored in the sandbox SDK (sandbox-frame.js) so a |
| 189 | // member app gets the identical helper. |
| 190 | export function namespace(ns) { |
| 191 | const base = String(ns || ""); |
| 192 | return { |
| 193 | ns: base, |
| 194 | ev: (name) => (name != null && String(name).includes(".") ? String(name) : base + "." + name), |
| 195 | cls: (name) => base + "-" + name, |
| 196 | }; |
| 197 | } |
| 198 | |
| 199 | // defineApp registers a mini-app. Called at module load by each app file. Fields: |
| 200 | // name, title, glyph — identity (title/glyph shown in the sidebar + header) |
| 201 | // places — WHERE the app can live, the one placement declaration |
| 202 | // (docs/space-apps.md): any subset of ["you", "chat", "space"]. |
| 203 | // "you" — a PERSONAL instance: its own single-member app-thread, |
| 204 | // opened from the Apps menu and rendered full-pane (drives the |
| 205 | // sidebar/Apps-menu machinery, personal-command routing, and |
| 206 | // defaultCommand). "chat" — addable to a group chat, one shared |
| 207 | // instance for everyone there (see "group-scoped apps" below). |
| 208 | // "space" — installable FOR THE WHOLE SPACE: one shared instance in |
| 209 | // the hidden all-members space thread, its commands available in |
| 210 | // every chat (see "space-wide apps" below). [] = host-mounted/ |
| 211 | // utility, never instantiable. Every shared place asks the same of |
| 212 | // the app: a pure, idempotent, validating reducer, render off |
| 213 | // ctx.threadId, per-user logic keyed on e.uid. (The legacy |
| 214 | // generations — personal/groupCapable/spaceCapable, and scope before |
| 215 | // them, #405 — are still accepted as INPUT because stored member-app |
| 216 | // manifests carry them, but normalizePlaces folds them into `places` |
| 217 | // and deletes them: nothing downstream reads a capability flag.) |
| 218 | // namespace — the prefix for event types + CSS classes (defaults to `name`); |
| 219 | // reach it as app.ns / ctx.ev / ctx.cls (see namespace() above) |
| 220 | // listed: false — NOT user-instantiable; host-mounted only (the chat feed, the |
| 221 | // setup/welcome conversations, the groupapps registry). Defaults to |
| 222 | // `places.length > 0`. `listed:false` + places ["space"] is the |
| 223 | // IMPLICITLY SPACE-PLACED shape (see instanceThread): a command-only |
| 224 | // utility whose one shared copy is the space's, with no install |
| 225 | // gesture because it has no Add button — /gif, whose Giphy key is |
| 226 | // one value the whole space shares. |
| 227 | // quiet: true — a command answering in place (ctx.reply/ctx.panel, or an event |
| 228 | // it emits) must never itself force the app's PERSONAL thread into view. |
| 229 | // The thread still exists and still receives every event — it's the |
| 230 | // only place the interaction is durably recorded — this only affects |
| 231 | // whether it's SHOWN: brand new → created but left hidden; already |
| 232 | // visible → unaffected; was visible then closed → activity doesn't |
| 233 | // reopen it (the user's own tap, e.g. an action-chip ctx.open(), still |
| 234 | // does). See shell.js's createAppThread + the "msg" WS handler, and |
| 235 | // issue #227. Irrelevant to a chat-placed app's shared instance — that |
| 236 | // thread is the chat the user is already looking at, never created by |
| 237 | // the command. |
| 238 | // events — the fold, as { "<type>": (state, event) => state } |
| 239 | // initialState — () => the empty state (seeded on the first event) |
| 240 | // commands — slash commands the app owns, as |
| 241 | // { "/todo": (args, ctx) => {…} } or, to feed the "/" typeahead, |
| 242 | // { "/todo": { run, desc: "Add a to-do", args: "<task>" } }. |
| 243 | // `local: true` scopes a command to the app's OWN thread: it resolves |
| 244 | // (and shows in the typeahead) only there, never globally — the |
| 245 | // in-thread verb (/add) next to the global routing verb (/todo). |
| 246 | // defaultCommand — the name of one of the app's commands that plain, |
| 247 | // non-slash text typed into the app's thread runs — usually a local |
| 248 | // verb (todo's "/add", so typing "buy milk" just adds it), but an app |
| 249 | // whose global verb IS its in-thread grammar names that instead |
| 250 | // (remind's "/remind"). Only honoured while NO bot member is in the |
| 251 | // thread — with an LLM present, plain text stays a real message for |
| 252 | // it to answer (see defaultCommandFor). |
| 253 | // render, styles (styles injected once → self-contained) |
| 254 | // snapshot: false — opt out of state snapshots (for an app whose state IS the |
| 255 | // log, like chat, where snapshotting would duplicate the whole thread) |
| 256 | // incremental: true — the framework does NOT clear the surface before render; |
| 257 | // the app reconciles its own DOM (see keyedList) so appends are cheap |
| 258 | // and scroll position survives re-renders |
| 259 | // ephemeral(event, ctx) — handler for relay-only events (ctx.emitEphemeral): |
| 260 | // never stored, never folded — presence traffic like typing |
| 261 | // The owned event types (app.types) and the reducer (app.reduce) are derived from |
| 262 | // `events` — one source of truth, so a type can never drift out of sync. |
| 263 | // appGlyphInto paints an app's identity mark into an avatar-ish element: its |
| 264 | // vendored brand logo (static in-code SVG — web/static/logos.js) when it has |
| 265 | // one, else its emoji glyph. The glyph stays the app's cross-surface fallback |
| 266 | // (native palettes and plain-string contexts can't render an SVG). |
| 267 | export function appGlyphInto(el, app) { |
| 268 | // These avatar elements are reused across thread switches, and paintAvatar |
| 269 | // may have left a photo behind as an inline background-image (e.g. Eleven's |
| 270 | // app icon). innerHTML/textContent below replace the children but NOT that |
| 271 | // style, so clear it first or the old photo shows through behind the mark. |
| 272 | el.style.backgroundImage = ""; |
| 273 | if (app && app.logo) { |
| 274 | el.classList.add("app-logo"); |
| 275 | el.innerHTML = app.logo; // static in-code SVG, never user content |
| 276 | } else { |
| 277 | el.textContent = (app && app.glyph) || "▦"; |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | export function defineApp(spec) { |
| 282 | const app = { commands: {}, ...spec }; |
| 283 | // The places declaration (docs/space-apps.md; the "places" model): ONE |
| 284 | // field answering one question — where can this app live? Any subset of |
| 285 | // ["you", "chat", "space"]; [] = host-mounted/utility (never instantiable). |
| 286 | // Legacy declarations still normalize into it here, then drop (see |
| 287 | // normalizePlaces) — downstream code reads `places` (+ the orthogonal |
| 288 | // `listed` and `quiet`), never a capability flag. |
| 289 | normalizePlaces(app); |
| 290 | // The app's namespace drives its event-type and CSS-class prefixes. It defaults |
| 291 | // to `name` (the historical convention), so an app that declares nothing keeps |
| 292 | // behaving exactly as before; app.ns is the resolver render/commands reach via |
| 293 | // ctx.ev / ctx.cls. The module-level namespace() gives the same thing for the |
| 294 | // `events` map keys, which are evaluated before this app object exists. |
| 295 | app.namespace = app.namespace || app.name; |
| 296 | app.ns = namespace(app.namespace); |
| 297 | // Normalise each command to { run, desc, args } so a bare handler function and |
| 298 | // the richer {run,desc,args} form both work — desc/args feed the "/" typeahead. |
| 299 | app.commands = normalizeCommands(app.commands); |
| 300 | // Wire types (events) are registered in typeOwner, so anything a member posts |
| 301 | // can reach them. hostEvents fold identically but are HOST-ONLY: never |
| 302 | // registered, so no wire payload can trigger them — for state mutations the |
| 303 | // server enforces elsewhere (chat's react/edit/delete) that a member must not |
| 304 | // be able to spoof by posting a typed message. |
| 305 | app.types = Object.keys(app.events || {}); |
| 306 | app.reduce = makeReducer({ ...(app.hostEvents || {}), ...(app.events || {}) }, app.initialState); |
| 307 | apps.push(app); |
| 308 | for (const t of app.types) typeOwner.set(t, app); |
| 309 | // Local commands stay off the global registry — they resolve per-thread, via |
| 310 | // the owning app (see parseCommand), so "/add" can mean different things in |
| 311 | // different app-threads and never collides across apps. A global command |
| 312 | // NEVER overwrites an existing owner: the untrusted path (member apps) |
| 313 | // already rejects a taken name up front (commandTakenBy, sandbox.js), and |
| 314 | // this is the backstop so no future entry point can silently shadow a |
| 315 | // built-in the way the missing collision check once let a crafted blob |
| 316 | // claim "/todo". First registration wins; a clash is logged, not honoured. |
| 317 | for (const [name, c] of Object.entries(app.commands)) { |
| 318 | if (c.local) continue; |
| 319 | if (commandOwner.has(name)) { |
| 320 | console.error(`command ${name} already owned by "${(commandOwner.get(name) || {}).name}" — "${app.name}" does not override it`); |
| 321 | continue; |
| 322 | } |
| 323 | commandOwner.set(name, app); |
| 324 | } |
| 325 | injectStyles(app.name, app.styles); |
| 326 | return app; |
| 327 | } |
| 328 | |
| 329 | // normalizePlaces: every app leaves here with a concrete `places` array and a |
| 330 | // concrete `listed`, and with the LEGACY placement fields gone. The old |
| 331 | // generations — the capability flags (personal / groupCapable / spaceCapable) |
| 332 | // and the `scope` enum before them (#405) — are still ACCEPTED as input, |
| 333 | // permanently: member-app manifests are stored, encrypted user content that |
| 334 | // can never be migrated, so a deployed app declaring `groupCapable: true` |
| 335 | // must keep working forever. But they are input-only — normalized into |
| 336 | // `places` and then DELETED — so the rest of the codebase reads exactly one |
| 337 | // placement vocabulary and a stale flag can never disagree with it. |
| 338 | function normalizePlaces(app) { |
| 339 | if (!Array.isArray(app.places)) { |
| 340 | if (app.scope !== undefined) { |
| 341 | // The oldest generation: "personal" | "system" ("shared" — the ambient |
| 342 | // panel — died with #405; nothing can declare it anymore). |
| 343 | if (app.personal === undefined) app.personal = app.scope === "personal"; |
| 344 | if (app.listed === undefined) app.listed = app.scope !== "system"; |
| 345 | } else if (app.personal === undefined && app.groupCapable === undefined && app.spaceCapable === undefined && app.listed === undefined) { |
| 346 | app.personal = true; // declaring nothing has always meant the personal archetype |
| 347 | } |
| 348 | app.places = [ |
| 349 | ...(app.personal ? ["you"] : []), |
| 350 | ...(app.groupCapable ? ["chat"] : []), |
| 351 | ...(app.spaceCapable ? ["space"] : []), |
| 352 | ]; |
| 353 | } |
| 354 | if (app.listed === undefined) app.listed = app.places.length > 0; |
| 355 | delete app.personal; |
| 356 | delete app.groupCapable; |
| 357 | delete app.spaceCapable; |
| 358 | delete app.scope; |
| 359 | } |
| 360 | |
| 361 | function normalizeCommands(cmds) { |
| 362 | const out = {}; |
| 363 | for (const [name, v] of Object.entries(cmds || {})) { |
| 364 | out[name] = |
| 365 | typeof v === "function" |
| 366 | ? { run: v, desc: "", args: "", local: false } |
| 367 | : { run: v.run, desc: v.desc || "", args: v.args || "", local: !!v.local }; |
| 368 | } |
| 369 | return out; |
| 370 | } |
| 371 | |
| 372 | // makeReducer turns an events map + initialState factory into a fold function |
| 373 | // (state, event) → state. It seeds the empty state on the first event, dispatches |
| 374 | // each event to its handler by type, and returns state UNCHANGED for any type the |
| 375 | // app doesn't handle — so an app never writes a `default` case (the usual place a |
| 376 | // fold silently goes wrong). Handlers must be pure: return new state, never mutate |
| 377 | // the old (two devices fold the same events and must converge) — the collection |
| 378 | // helpers below make that the easy path. |
| 379 | function makeReducer(events, initialState) { |
| 380 | const seed = typeof initialState === "function" ? initialState : () => initialState || {}; |
| 381 | return (state, event, meta) => { |
| 382 | const s = state === undefined ? seed() : state; |
| 383 | const handler = events[event.type]; |
| 384 | // The 4th arg is a minimal identity ctx: some folds derive per-user state |
| 385 | // (chat.reaction's mine flag is uid === ctx.me). Only identity — a reducer |
| 386 | // must stay pure, so no emit/schedule/getState here. |
| 387 | return handler ? handler(s, event, meta || {}, { me: currentUser, meName: currentUserName }) : s; |
| 388 | }; |
| 389 | } |
| 390 | |
| 391 | // ---- collection helpers: immutable list ops for reducers ---------------- |
| 392 | // Most apps fold into a list of { id, … } items. These three encode the two |
| 393 | // invariants a hand-written reducer keeps getting subtly wrong: every op returns |
| 394 | // a NEW array (never mutate prior state), and addItem is idempotent (an item id |
| 395 | // already present is a no-op — the message window is re-folded on every thread |
| 396 | // reopen, so the same add MUST NOT duplicate). Build a list reducer from these |
| 397 | // and it's correct by construction; sort the result freely, it's always a copy. |
| 398 | export function addItem(list, item) { |
| 399 | return list.some((i) => i.id === item.id) ? list.slice() : [...list, item]; |
| 400 | } |
| 401 | export function updateItem(list, id, patch) { |
| 402 | return list.map((i) => (i.id === id ? { ...i, ...patch } : i)); |
| 403 | } |
| 404 | export function removeItem(list, id) { |
| 405 | return list.filter((i) => i.id !== id); |
| 406 | } |
| 407 | // moveItemAfter repositions an item to immediately follow `after` ("" = the |
| 408 | // list's start). Unknown id or unknown anchor = a no-op (the anchor may have |
| 409 | // been removed concurrently) — the same rule the schema engine's `move` fold |
| 410 | // op pins, so the hand-written and schema folds stay twins. |
| 411 | export function moveItemAfter(list, id, after) { |
| 412 | const from = list.findIndex((i) => i.id === id); |
| 413 | if (from < 0) return list.slice(); |
| 414 | const next = list.slice(); |
| 415 | const [moved] = next.splice(from, 1); |
| 416 | let to = 0; |
| 417 | if (after) { |
| 418 | const anchor = next.findIndex((i) => i.id === after); |
| 419 | if (anchor < 0) return list.slice(); |
| 420 | to = anchor + 1; |
| 421 | } |
| 422 | next.splice(to, 0, moved); |
| 423 | return next; |
| 424 | } |
| 425 | |
| 426 | // How long a just-completed item lingers in place (struck-through, with a |
| 427 | // countdown ring, still undoable) before it tucks into the "completed" section. |
| 428 | export const DONE_GRACE_MS = 6000; |
| 429 | |
| 430 | // partitionByGrace splits items into { active, grace, archived } by a completion |
| 431 | // timestamp (`doneAtOf(item)` — falsy = not done). A done item is in `grace` |
| 432 | // while it's younger than graceMs (shown in place, undoable), then `archived` |
| 433 | // (tucked away). This is the whole "linger then drop off" rule, kept PURE and in |
| 434 | // the RENDER — the reducer only records doneAt, so the fold stays deterministic |
| 435 | // (a timer never mutates state); the UI derives the buckets from the clock and |
| 436 | // re-derives on a tick. Order within each bucket is the input order (callers sort). |
| 437 | export function partitionByGrace(items, doneAtOf, now, graceMs = DONE_GRACE_MS) { |
| 438 | const active = []; |
| 439 | const grace = []; |
| 440 | const archived = []; |
| 441 | for (const it of items || []) { |
| 442 | const d = doneAtOf(it) || 0; |
| 443 | if (!d) active.push(it); |
| 444 | else if (now - d < graceMs) grace.push(it); |
| 445 | else archived.push(it); |
| 446 | } |
| 447 | return { active, grace, archived }; |
| 448 | } |
| 449 | |
| 450 | // ---- keyedList: incremental DOM reconciliation for list surfaces --------- |
| 451 | // Renders `items` into `el`, reusing existing DOM nodes by key: unchanged items |
| 452 | // keep their exact nodes (scroll position, focus, loaded images survive), new |
| 453 | // items are built, removed items leave, and an item whose `rev` changed is |
| 454 | // re-rendered in place. The container must be fully managed by keyedList — |
| 455 | // don't append other children to it. Pair with `incremental: true` so the |
| 456 | // framework doesn't wipe the container between renders. |
| 457 | // keyedList(el, items, { |
| 458 | // key: (item) => string — stable identity |
| 459 | // rev: (item) => any — rebuild the item when this changes (optional) |
| 460 | // srev: (item) => any — a "soft" rev: when it changes but `rev` doesn't, |
| 461 | // update() patches the node in place (optional) |
| 462 | // update: (node, item) => void — reconcile a retained node's soft parts without |
| 463 | // rebuilding it, keeping loaded images/embeds (optional) |
| 464 | // render: (item) => Node — build one item's DOM |
| 465 | // }) |
| 466 | // The rev/srev split keeps expensive, stateful subtrees (a decrypted image, a |
| 467 | // playing embed) alive across changes that only touch peripheral chrome: bump |
| 468 | // `rev` for a content change (full rebuild), but move a peripheral signal into |
| 469 | // `srev` and reconcile it in update() so the node itself is never re-rendered. |
| 470 | export function keyedList(el, items, opts) { |
| 471 | const { key, render, rev = () => "", srev = () => "", update } = opts; |
| 472 | const existing = new Map(); |
| 473 | for (const child of [...el.children]) { |
| 474 | if (child.dataset && child.dataset.k !== undefined) existing.set(child.dataset.k, child); |
| 475 | } |
| 476 | let cursor = null; // the last placed node; the next item belongs right after it |
| 477 | for (const item of items) { |
| 478 | const k = String(key(item)); |
| 479 | const r = String(rev(item)); |
| 480 | const sr = String(srev(item)); |
| 481 | let node = existing.get(k); |
| 482 | existing.delete(k); |
| 483 | if (node && node.dataset.rev !== r) { |
| 484 | const fresh = render(item); |
| 485 | fresh.dataset.k = k; |
| 486 | fresh.dataset.rev = r; |
| 487 | fresh.dataset.srev = sr; |
| 488 | node.replaceWith(fresh); |
| 489 | node = fresh; |
| 490 | } else if (!node) { |
| 491 | node = render(item); |
| 492 | node.dataset.k = k; |
| 493 | node.dataset.rev = r; |
| 494 | node.dataset.srev = sr; |
| 495 | } else if (update && node.dataset.srev !== sr) { |
| 496 | // Retained node, hard rev unchanged: patch only its soft parts in place — |
| 497 | // never a rebuild, so any loaded image / live embed inside it survives. |
| 498 | update(node, item); |
| 499 | node.dataset.srev = sr; |
| 500 | } |
| 501 | const want = cursor ? cursor.nextSibling : el.firstChild; |
| 502 | if (node !== want) el.insertBefore(node, want); |
| 503 | cursor = node; |
| 504 | } |
| 505 | for (const gone of existing.values()) gone.remove(); |
| 506 | } |
| 507 | |
| 508 | // appByName / personalApps let shell.js render an app by id and list the apps a |
| 509 | // user can start (the "Apps" section of the New-chat dialog). |
| 510 | export function appByName(name) { |
| 511 | return apps.find((a) => a.name === name) || null; |
| 512 | } |
| 513 | export function personalApps() { |
| 514 | return apps.filter((a) => a.places.includes("you")); |
| 515 | } |
| 516 | // Every user-visible app, for the Apps sheet's directory view — including |
| 517 | // personal-only ones, so "why can't I add X here?" has a discoverable answer |
| 518 | // (the placeNote / inferred reason rendered on unsupported places). |
| 519 | export function listedApps() { |
| 520 | return apps.filter((a) => a.listed); |
| 521 | } |
| 522 | |
| 523 | // appIsQuiet: does this app opt out of forcing its thread into view on mere |
| 524 | // activity (see `quiet` in defineApp's doc comment, and issue #227)? Pure |
| 525 | // lookup by app name so both the create-time and the reopen-on-activity call |
| 526 | // sites in shell.js share one answer. |
| 527 | export function appIsQuiet(name) { |
| 528 | const app = name && appByName(name); |
| 529 | return !!(app && app.quiet); |
| 530 | } |
| 531 | |
| 532 | // appCatalogReport serializes the registered-app catalogue for the NATIVE |
| 533 | // shell — the app-host protocol (docs/native-apps.md). The native apps can't |
| 534 | // execute app JS, so this page (which just did, across all three tiers: |
| 535 | // built-in, admin custom, member) reports every app's manifest facts as plain |
| 536 | // JSON: identity, places, presentation, and commands. That one report is what |
| 537 | // lets native drive its registry, pickers, surface routing, and composer |
| 538 | // typeahead for ANY app with zero per-app native code. Plain data only — a |
| 539 | // WKWebView evaluateJavaScript call returns it directly. |
| 540 | export function appCatalogReport() { |
| 541 | return apps.map((app) => ({ |
| 542 | name: app.name, |
| 543 | title: app.title || app.name, |
| 544 | glyph: app.glyph || "▦", |
| 545 | blurb: app.blurb || "", |
| 546 | places: [...app.places], |
| 547 | listed: !!app.listed, |
| 548 | quiet: !!app.quiet, |
| 549 | member: !!app.memberApp, |
| 550 | // Native chrome (docs/icons.md): the SF Symbols name / vendored template |
| 551 | // asset iOS and Mac render for this app — declared HERE, in the app's own |
| 552 | // spec beside its web `logo`, so no native table has to be kept in step. |
| 553 | // "" = none: the app's emoji glyph is its face everywhere. |
| 554 | symbol: app.symbol || "", |
| 555 | mark: app.mark || "", |
| 556 | // Some apps (board) gate their visible content behind an "open" event |
| 557 | // rather than rendering the moment they're added — the add flow fires it |
| 558 | // right after the install lands (installGroupApp), and native add paths |
| 559 | // must do the same or the app sits silently present but empty. |
| 560 | openEvent: app.openEvent || "", |
| 561 | // The connected-service gate ("" = ungated): DNSimple's app only |
| 562 | // "installs" once you've linked DNSimple — the pickers hide gated apps |
| 563 | // until /api/connected lists the service (newchat.js matchingApps). |
| 564 | requiresService: app.requiresService || "", |
| 565 | // Whether the app HAS an openable surface (a render) — command-only apps |
| 566 | // (gif) get no sidebar/space-band row anywhere, native included. |
| 567 | surface: typeof app.render === "function", |
| 568 | // The presentation contract, pre-answered (same rules as appWantsChatView |
| 569 | // / appChatOnly / appDefaultView) so native never re-derives it: companion |
| 570 | // = has a Chat view; chatOnly = ONLY a Chat view; otherwise no companion |
| 571 | // means the app's render takes over the whole surface. |
| 572 | companion: typeof app.chatMessage === "function", |
| 573 | chatOnly: !!(typeof app.chatMessage === "function" && app.chatOnly), |
| 574 | chatReadOnly: !!app.chatReadOnly, |
| 575 | defaultView: app.defaultView === "chat" || app.defaultView === "interface" ? app.defaultView : "split", |
| 576 | defaultCommand: app.defaultCommand && app.commands[app.defaultCommand] ? app.defaultCommand : "", |
| 577 | commands: Object.entries(app.commands).map(([name, c]) => ({ |
| 578 | name, |
| 579 | desc: c.desc || "", |
| 580 | args: c.args || "", |
| 581 | local: !!c.local, |
| 582 | })), |
| 583 | })); |
| 584 | } |
| 585 | |
| 586 | // appWantsChatView decides how a personal app-thread presents. An app that |
| 587 | // implements chatMessage(event) — the hook projecting its events into chat |
| 588 | // bubbles / action lines — opts into the COMPANION view: a Chat conversation of |
| 589 | // the thread alongside its Interface, toggled in the header (the To-do / Reminders |
| 590 | // experience). An app WITHOUT chatMessage TAKES OVER the thread's full surface: |
| 591 | // its render() is the whole thread, no chat view and no toggle (the original |
| 592 | // full-pane model). "Wants a chat view" and "knows how to project into chat" are |
| 593 | // the same fact, so companion stays opt-in and never mandatory — see CLAUDE.md. |
| 594 | // |
| 595 | // 🤖 That rule holds with NO exceptions because feed projection is its own |
| 596 | // hook: an app that wants its events narrated in a GROUP chat's feed without |
| 597 | // ever growing a Chat view of its own private thread (the Vault) implements |
| 598 | // groupFeedMessage(event) INSTEAD of chatMessage — see foldGroupAppEventBubble |
| 599 | // (shell.js), which prefers it and falls back to chatMessage(event, |
| 600 | // { group: true }) so a companion app projects into groups with one hook. |
| 601 | // (This replaced the old `groupChatOnly` flag, whose name pointed at the |
| 602 | // group when its one effect was here, on the you-place presentation.) |
| 603 | export function appWantsChatView(name) { |
| 604 | const app = appByName(name); |
| 605 | return !!(app && typeof app.chatMessage === "function"); |
| 606 | } |
| 607 | |
| 608 | // appDefaultView is the view a companion app-thread opens in when the user |
| 609 | // hasn't picked one this session: "split" unless the app says otherwise. An |
| 610 | // interface-first companion (the Admin app — a settings panel whose chat is a |
| 611 | // read-only notice stream) declares `defaultView: "interface"` so it opens as |
| 612 | // the app, with the conversation one toggle away. |
| 613 | export function appDefaultView(name) { |
| 614 | const app = appByName(name); |
| 615 | const v = app && app.defaultView; |
| 616 | return v === "chat" || v === "interface" ? v : "split"; |
| 617 | } |
| 618 | |
| 619 | // appChatReadOnly: the owning app declares its Chat view is a read-only stream |
| 620 | // (`chatReadOnly: true`) — the app posts into it, the user doesn't. The chat |
| 621 | // app hides its composer for these threads (like the native embed, where the |
| 622 | // shell owns the composer). Keyed by thread so chat.js can ask about the one |
| 623 | // it's rendering. |
| 624 | export function appChatReadOnly(threadId) { |
| 625 | const app = threadOwnerApp(threadId); |
| 626 | return !!(app && app.chatReadOnly); |
| 627 | } |
| 628 | |
| 629 | // appChatOnly is the third presentation: a companion that is ONLY its chat view |
| 630 | // (chatMessage projections, no Interface, no view toggle). For app-threads that |
| 631 | // are purely a conversation — the setup thread, whose old progress card the |
| 632 | // Admin panel superseded. |
| 633 | export function appChatOnly(name) { |
| 634 | const app = appByName(name); |
| 635 | return !!(app && typeof app.chatMessage === "function" && app.chatOnly); |
| 636 | } |
| 637 | |
| 638 | // ---- group-scoped apps ---------------------------------------------------- |
| 639 | // |
| 640 | // A `groupCapable: true` personal app (To-do) can ALSO be added to a group |
| 641 | // chat, where ONE shared instance runs for everyone: its events post into the |
| 642 | // GROUP thread's encrypted log, so every member folds the same state — the same |
| 643 | // events, the same reducer, a different thread. Nothing else changes: the fold, |
| 644 | // snapshots, scheduling, and live delivery are already per-thread. |
| 645 | // |
| 646 | // Which apps a group has added is itself fold state, from wire events in the |
| 647 | // group's own log — so it syncs to every member, survives via snapshots, and |
| 648 | // the server never learns which app was added (or that one was). Any member can |
| 649 | // add or remove one, like adding people; both acts show as action lines. |
| 650 | // ONE registry app for every shared place (phase 3 of the places model): which |
| 651 | // apps a container has is fold state in THAT container's log — a group |
| 652 | // thread's for "this chat", the space thread's for "everyone" — so the server |
| 653 | // never learns which apps live where. The event families stay the legacy wire |
| 654 | // types (`groupapps.*` in group logs, `spaceapps.*` in the space log) FOREVER: |
| 655 | // logs are immutable and old clients still fold them, so the unification is in |
| 656 | // the fold, not the wire. This is the one sanctioned exception to "prefix |
| 657 | // event types with your app name" — the registry owns both families as |
| 658 | // aliases. Item shapes stay exactly what the per-family vectors pin |
| 659 | // (test/event-vectors/{groupapps,spaceapps}.json): group items {id, by, ts}, |
| 660 | // space items {id, by, uid, ts} — uid feeds the admins-only install policy. |
| 661 | export const installsApp = defineApp({ |
| 662 | name: "installs", |
| 663 | title: "Apps", |
| 664 | glyph: "▦", |
| 665 | places: [], // a registry, not a surface — lives nowhere, never listed, never given a panel |
| 666 | initialState: () => ({ apps: [] }), |
| 667 | events: { |
| 668 | // The item id IS the app name, so re-adding is idempotent (addItem dedupes) |
| 669 | // and a remove needs no lookup. Unknown app names fold fine — they just |
| 670 | // don't surface until a client that knows the app reads the state (see |
| 671 | // groupAppsFor / spaceAppsFor), so old and new clients converge. |
| 672 | "groupapps.add": (s, e) => |
| 673 | typeof e.app === "string" && e.app ? { apps: addItem(s.apps, { id: e.app, by: e.name || "", ts: e.ts || 0 }) } : s, |
| 674 | "groupapps.remove": (s, e) => ({ apps: removeItem(s.apps, e.app) }), |
| 675 | "spaceapps.add": (s, e) => |
| 676 | typeof e.app === "string" && e.app |
| 677 | ? { apps: addItem(s.apps, { id: e.app, by: e.name || "", uid: e.uid || "", ts: e.ts || 0 }) } |
| 678 | : s, |
| 679 | "spaceapps.remove": (s, e) => ({ apps: removeItem(s.apps, e.app) }), |
| 680 | }, |
| 681 | // Adding or removing an app is a visible act in the CONVERSATION only for a |
| 682 | // chat's own copies — the group fold prefixes the actor ("Ciara added To-do |
| 683 | // to this chat"). Space events project nothing: the space thread has no chat |
| 684 | // view; the Apps sheet's "Added for everyone by …" line is their record. |
| 685 | // groupFeedMessage, not chatMessage: the registry has no thread of its own, |
| 686 | // so this hook exists ONLY to narrate group feeds — and chatMessage's |
| 687 | // meaning is "grow a Chat view" (appWantsChatView). |
| 688 | groupFeedMessage(e) { |
| 689 | const title = (appByName(e.app) || {}).title || e.app || "an app"; |
| 690 | if (e.type === "groupapps.add") return { text: `added ${title} to this chat`, action: true }; |
| 691 | if (e.type === "groupapps.remove") return { text: `removed ${title} from this chat`, action: true }; |
| 692 | return null; |
| 693 | }, |
| 694 | // The sidebar line for a chat where an app was just added/removed. |
| 695 | preview(e) { |
| 696 | const title = (appByName(e.app) || {}).title || e.app || "an app"; |
| 697 | if (e.type === "groupapps.add") return `${e.name || "Someone"} added ${title}`; |
| 698 | if (e.type === "groupapps.remove") return `${e.name || "Someone"} removed ${title}`; |
| 699 | return null; |
| 700 | }, |
| 701 | }); |
| 702 | // Back-compat names (tests, older call sites): both registries ARE the one app. |
| 703 | export const groupAppsApp = installsApp; |
| 704 | |
| 705 | // ---- space-wide apps ------------------------------------------------------- |
| 706 | // |
| 707 | // A `spaceCapable: true` app can be installed FOR THE WHOLE SPACE: one shared |
| 708 | // instance whose events and state live in the hidden, all-members SPACE THREAD |
| 709 | // (docs/space-apps.md), so the app — its commands, its data — is available in |
| 710 | // every chat without anyone adding it anywhere. This is the groupapps model one |
| 711 | // level up: which apps the space has installed is itself fold state, from wire |
| 712 | // events in the space thread's log, so it syncs to every member, survives via |
| 713 | // snapshots, and the server never learns which app was installed (or that one |
| 714 | // was). Any member can install or remove one, attributed by name. |
| 715 | export const spaceAppsApp = installsApp; |
| 716 | |
| 717 | // The space thread backing space-wide installs. shell.js injects a SYNC getter |
| 718 | // (the thread's id, or null until it's been fetched/created and its key |
| 719 | // unwrapped) plus an ASYNC find-or-create resolver used by installs — creation |
| 720 | // needs the instance key and a server round-trip, which live in the host. |
| 721 | let spaceThreadFn = null; |
| 722 | export function setSpaceThread(fn) { |
| 723 | spaceThreadFn = fn; |
| 724 | } |
| 725 | export function spaceThreadId() { |
| 726 | return (spaceThreadFn && spaceThreadFn()) || null; |
| 727 | } |
| 728 | let spaceThreadResolver = null; // () → Promise<threadId | null> |
| 729 | export function setSpaceThreadResolver(fn) { |
| 730 | spaceThreadResolver = fn; |
| 731 | } |
| 732 | |
| 733 | // The space-install policy (docs/space-apps.md § controls): a plaintext admin |
| 734 | // setting — "who may add apps for everyone: everyone (default) / admins". |
| 735 | // shell.js injects { adminsOnly, canInstall, adderOK(uid) }. Enforced twice, |
| 736 | // both client-side (the registry is E2EE — the server can't referee): the Add |
| 737 | // affordances hide/refuse for non-admins, and spaceAppsFor filters at READ |
| 738 | // time, treating installs by non-admin adders as inert while the policy says |
| 739 | // admins-only. Read-time (not fold-time) keeps folds deterministic and makes |
| 740 | // the policy reversible — flip it back and those installs reappear. Items |
| 741 | // folded before uids were recorded are grandfathered. |
| 742 | let spaceInstallPolicyFn = null; |
| 743 | export function setSpaceInstallPolicy(fn) { |
| 744 | spaceInstallPolicyFn = fn; |
| 745 | } |
| 746 | function spaceInstallPolicy() { |
| 747 | return (spaceInstallPolicyFn && spaceInstallPolicyFn()) || { adminsOnly: false, canInstall: true, adderOK: () => true }; |
| 748 | } |
| 749 | |
| 750 | // The apps a member could install for the whole space — feeds the Apps sheet. |
| 751 | export function spaceCapableApps() { |
| 752 | return apps.filter((a) => a.places.includes("space")); |
| 753 | } |
| 754 | |
| 755 | // The apps INSTALLED for the space: the space thread's folded spaceapps state, |
| 756 | // resolved against the registry and filtered to actually-space-capable apps — |
| 757 | // a hostile or stale add naming anything else stays inert (groupAppsFor's rule). |
| 758 | export function spaceAppsFor() { |
| 759 | const tid = spaceThreadId(); |
| 760 | if (!tid) return []; |
| 761 | const s = appStateFor(tid, "installs"); |
| 762 | if (!s || !Array.isArray(s.apps)) return []; |
| 763 | const policy = spaceInstallPolicy(); |
| 764 | const out = []; |
| 765 | for (const it of s.apps) { |
| 766 | const a = it && appByName(it.id); |
| 767 | if (!a || !a.places.includes("space")) continue; |
| 768 | // Admins-only policy: a non-admin's install is inert while it holds. |
| 769 | if (policy.adminsOnly && it.uid && !policy.adderOK(it.uid)) continue; |
| 770 | out.push(a); |
| 771 | } |
| 772 | return out; |
| 773 | } |
| 774 | |
| 775 | // Who installed a space app, for the sheet's attribution line ({by, ts} or |
| 776 | // null). Same read-time filter as spaceAppsFor: an inert registry entry (an |
| 777 | // unknown or non-space-capable name) is not an install, so it has no installer. |
| 778 | export function spaceAppInfo(name) { |
| 779 | const a = appByName(name); |
| 780 | if (!a || !a.places.includes("space")) return null; |
| 781 | const tid = spaceThreadId(); |
| 782 | const s = tid && appStateFor(tid, "installs"); |
| 783 | const it = s && Array.isArray(s.apps) && s.apps.find((x) => x && x.id === name); |
| 784 | if (!it) return null; |
| 785 | // The same read-time policy filter spaceAppsFor applies: while installs |
| 786 | // are admins-only, a non-admin's add is inert for routing — attribution |
| 787 | // must not report "Installed by …" for an install every other surface |
| 788 | // suppresses. |
| 789 | const policy = spaceInstallPolicy(); |
| 790 | if (policy.adminsOnly && it.uid && !policy.adderOK(it.uid)) return null; |
| 791 | return { by: it.by || "", ts: it.ts || 0 }; |
| 792 | } |
| 793 | |
| 794 | // instanceThread resolves THE routing sentence — "a command acts on the |
| 795 | // nearest copy of its app": the app's own thread, then this chat's instance, |
| 796 | // then the space's, then your personal thread (created on first use). One |
| 797 | // truth for commands and mentions; the widget bar mirrors the same order |
| 798 | // synchronously (shell.js renderGroupAppPane). Returns null when no copy is |
| 799 | // reachable (e.g. keys still syncing). |
| 800 | export async function instanceThread(app, activeThreadId, opts = {}) { |
| 801 | if (opts.local || threadOwnerApp(activeThreadId) === app) return activeThreadId; |
| 802 | if (groupAppsFor(activeThreadId).some((a) => a.name === app.name)) return activeThreadId; |
| 803 | // An UNLISTED space app is IMPLICITLY space-placed. `listed:false` means it is |
| 804 | // not user-instantiable — it has no Add button — so there is no install event |
| 805 | // to gate on, and its one shared copy simply IS the space's, mirroring the |
| 806 | // space thread's own implicit membership. Resolve (minting the thread on first |
| 807 | // use) rather than falling through to `return activeThreadId` below, which |
| 808 | // would land the app's data in whatever conversation the member happened to be |
| 809 | // typing in — readable by that chat's members and in the wrong log forever. |
| 810 | // Such an app addresses the chat through the host, not ctx: ctx.panel already |
| 811 | // opens where you typed (see runCommand), and posting content there is a |
| 812 | // host doorway's job (gif's `post`) — "app data lives space-wide, conversation |
| 813 | // content stays under the conversation's own key" (docs/space-apps.md). |
| 814 | if (app.places.includes("space") && !app.listed) return spaceThreadId() || (spaceThreadResolver ? await spaceThreadResolver() : null); |
| 815 | if (app.places.includes("space") && spaceAppsFor().some((a) => a.name === app.name)) return spaceThreadId(); |
| 816 | if (app.places.includes("you")) return resolveAppThread ? await resolveAppThread(app.name) : null; |
| 817 | return activeThreadId; |
| 818 | } |
| 819 | |
| 820 | // installSpaceApp emits the spaceapps.add for `app`, creating the space thread |
| 821 | // on first use (the resolver mints its key wrapped under the instance key). |
| 822 | // Returns true when the install event was sent (or the app was already |
| 823 | // installed) — shared by the Apps sheet and the "@everyone" command flag. |
| 824 | export async function installSpaceApp(app) { |
| 825 | if (!spaceInstallPolicy().canInstall) return false; |
| 826 | if (spaceAppsFor().some((a) => a.name === app.name)) return true; |
| 827 | const tid = spaceThreadResolver ? await spaceThreadResolver() : null; |
| 828 | if (!tid) return false; |
| 829 | return emitAppEvent(tid, { type: "spaceapps.add", app: app.name }); |
| 830 | } |
| 831 | |
| 832 | // installGroupApp emits the groupapps.add for `app` in `threadId`. Returns |
| 833 | // true when the install event was sent (or the app was already added) — |
| 834 | // shared by both Apps sheets (legacy + places UI) so every doorway that adds |
| 835 | // a shared app to a chat behaves the same. Some apps (board) gate their own |
| 836 | // visible content behind a separate "open" event rather than rendering |
| 837 | // something the moment they're added (see board.js's `openEvent` doc |
| 838 | // comment) — for those, fire that event too, right after the add lands, so |
| 839 | // the app is actually visible instead of silently present but empty. |
| 840 | export async function installGroupApp(threadId, app) { |
| 841 | if (groupAppsFor(threadId).some((a) => a.name === app.name)) return true; |
| 842 | if (!(await emitAppEvent(threadId, { type: "groupapps.add", app: app.name }))) return false; |
| 843 | if (app.openEvent) await emitAppEvent(threadId, { type: app.openEvent }); |
| 844 | return true; |
| 845 | } |
| 846 | |
| 847 | // The apps a user could add to a group — feeds the "Add apps" picker. |
| 848 | export function groupCapableApps() { |
| 849 | return apps.filter((a) => a.places.includes("chat") && a.render); |
| 850 | } |
| 851 | |
| 852 | // The apps ADDED to a group thread: the thread's folded groupapps state, |
| 853 | // resolved against the registry and filtered to apps that are actually |
| 854 | // group-capable — a hostile or stale add naming anything else stays inert. |
| 855 | export function groupAppsFor(threadId) { |
| 856 | const s = appStateFor(threadId, "installs"); |
| 857 | if (!s || !Array.isArray(s.apps)) return []; |
| 858 | const out = []; |
| 859 | for (const it of s.apps) { |
| 860 | const a = it && appByName(it.id); |
| 861 | if (a && a.places.includes("chat") && a.render) out.push(a); |
| 862 | } |
| 863 | return out; |
| 864 | } |
| 865 | |
| 866 | // isAppType reports whether some app owns this payload type — i.e. this message |
| 867 | // is an app event to fold, not a chat bubble to render. |
| 868 | export function isAppType(type) { |
| 869 | return type != null && typeOwner.has(type); |
| 870 | } |
| 871 | |
| 872 | // appForType returns the app owning a wire event type, or null — for a host |
| 873 | // that already holds a decrypted event and needs its app (e.g. to project it |
| 874 | // into a group conversation) without re-deriving ownership itself. |
| 875 | export function appForType(type) { |
| 876 | return (type != null && typeOwner.get(type)) || null; |
| 877 | } |
| 878 | |
| 879 | // ---- per-thread state: threadId → (appName → reducerState) -------------- |
| 880 | |
| 881 | const store = new Map(); |
| 882 | const foldedIds = new Map(); // threadId → Map(appName → Set(server message id) folded) |
| 883 | const seededUpTo = new Map(); // threadId → snapshot horizon (see seedThread) |
| 884 | const maxFolded = new Map(); // threadId → highest server message id folded |
| 885 | const dirty = new Set(); // threads with folded state newer than the last snapshot |
| 886 | |
| 887 | function threadStore(threadId) { |
| 888 | let m = store.get(threadId); |
| 889 | if (!m) { |
| 890 | m = new Map(); |
| 891 | store.set(threadId, m); |
| 892 | } |
| 893 | return m; |
| 894 | } |
| 895 | |
| 896 | // ---- render teardown: ctx.interval / ctx.onCleanup ---------------------- |
| 897 | // A render can start things that outlive the DOM it built — chiefly a ticker |
| 898 | // (setInterval). Rather than have each app stash a timer on a node and clear it |
| 899 | // by hand, the framework tracks per-(thread,app) cleanups: they run before the |
| 900 | // surface is redrawn and when the thread is reset. Keyed so two apps or two |
| 901 | // threads never clear each other's. |
| 902 | const cleanups = new Map(); // "threadId appName" → fn[] |
| 903 | function cleanupKey(threadId, appName) { |
| 904 | return threadId + " " + appName; |
| 905 | } |
| 906 | function addCleanup(threadId, appName, fn) { |
| 907 | const k = cleanupKey(threadId, appName); |
| 908 | let arr = cleanups.get(k); |
| 909 | if (!arr) cleanups.set(k, (arr = [])); |
| 910 | arr.push(fn); |
| 911 | } |
| 912 | function runCleanups(threadId, appName) { |
| 913 | const fns = cleanups.get(cleanupKey(threadId, appName)); |
| 914 | if (!fns) return; |
| 915 | cleanups.delete(cleanupKey(threadId, appName)); |
| 916 | for (const fn of fns) { |
| 917 | try { |
| 918 | fn(); |
| 919 | } catch {} |
| 920 | } |
| 921 | } |
| 922 | |
| 923 | // resetThread drops a thread's folded state (and the folded-id set) so its window |
| 924 | // can be re-folded from scratch — called before a fresh feed build (openThread). |
| 925 | // It also runs any pending render cleanups for the thread (e.g. stops tickers). |
| 926 | export function resetThread(threadId) { |
| 927 | store.delete(threadId); |
| 928 | foldedIds.delete(threadId); |
| 929 | seededUpTo.delete(threadId); |
| 930 | maxFolded.delete(threadId); |
| 931 | dirty.delete(threadId); |
| 932 | for (const app of apps) runCleanups(threadId, app.name); |
| 933 | } |
| 934 | |
| 935 | // ---- state snapshots: fold state that outlives the message window -------- |
| 936 | // The fold's source of truth is the encrypted event log, but the client only |
| 937 | // holds a window of it (the last ~100 messages). A snapshot is the folded state |
| 938 | // as of message id `upTo`, saved encrypted to the server (thread_state) and |
| 939 | // loaded on open: seed the snapshot, then fold only events NEWER than upTo. |
| 940 | // Because folds are pure and deterministic, snapshot + newer events ≡ folding |
| 941 | // the whole history — nothing is lost when old events fall out of the window. |
| 942 | |
| 943 | // seedThread installs a loaded snapshot: per-app states plus the horizon it |
| 944 | // covers. Events with meta.id <= upTo are already inside it, so foldEvent skips |
| 945 | // re-reducing them. |
| 946 | // |
| 947 | // The snapshot at `upTo` is the AUTHORITATIVE floor for a thread's state, so we |
| 948 | // install it even when the thread already carries folded state. The old code |
| 949 | // skipped a re-seed ("a thread that already has state keeps it"), which lost data |
| 950 | // in a race: openThread does resetThread(id) then `await seedAppState(id)`, and a |
| 951 | // live app event arriving during the snapshot-load await folds into store[id] |
| 952 | // first. Returning early then dropped every item the interim events don't re-cover, |
| 953 | // and — because maxFolded had advanced to the interim id — persisted that truncated |
| 954 | // state at an advanced horizon, after which foldInto's `mid <= upTo` skip drops the |
| 955 | // pre-horizon history forever (it never self-heals). |
| 956 | // |
| 957 | // So reinstall the snapshot as the base and clear the forward-fold bookkeeping: |
| 958 | // below-horizon interim folds are superseded by the snapshot, and ABOVE-horizon |
| 959 | // interim events are restored by the caller's catch-up (seedAppState re-reads |
| 960 | // everything after upTo immediately after this). That restore is load-bearing — |
| 961 | // seedThread's only caller runs that catch-up; a future caller that seeds WITHOUT |
| 962 | // one would silently drop interim events. Clearing foldedIds/maxFolded is safe |
| 963 | // because dedupe is an optimization, not the correctness boundary: every reducer is |
| 964 | // idempotent by entity id (Invariant #1), so re-folding the interim + window events |
| 965 | // converges. Clearing maxFolded + dirty also closes the second half of the bug — a |
| 966 | // debounced save firing between seed and catch-up can no longer anchor base-only |
| 967 | // state at the interim horizon. |
| 968 | export function seedThread(threadId, states, upTo) { |
| 969 | const m = new Map(); |
| 970 | for (const [app, state] of Object.entries(states || {})) m.set(app, state); |
| 971 | // Registry unification shim: snapshots written before the one `installs` |
| 972 | // registry hold its state under the legacy per-family keys ("groupapps" in |
| 973 | // group threads, "spaceapps" in the space thread — a thread only ever has |
| 974 | // one). Seed the unified key from them so the horizon skip stays sound; the |
| 975 | // next snapshot save writes "installs" and the legacy key ages out. |
| 976 | if (!m.has("installs")) { |
| 977 | const legacy = m.get("groupapps") || m.get("spaceapps"); |
| 978 | if (legacy) m.set("installs", legacy); |
| 979 | } |
| 980 | store.set(threadId, m); |
| 981 | seededUpTo.set(threadId, upTo || 0); |
| 982 | foldedIds.delete(threadId); |
| 983 | maxFolded.delete(threadId); |
| 984 | dirty.delete(threadId); |
| 985 | } |
| 986 | |
| 987 | // takeSnapshot returns { states, upTo } when the thread has folded anything new |
| 988 | // since the last snapshot/seed, else null. Taking it marks the thread clean; the |
| 989 | // caller is expected to save it (a failed save just means the next fold re-dirties). |
| 990 | export function takeSnapshot(threadId) { |
| 991 | if (!dirty.has(threadId)) return null; |
| 992 | const upTo = Math.max(maxFolded.get(threadId) || 0, seededUpTo.get(threadId) || 0); |
| 993 | if (!upTo) return null; // only events with real server ids can anchor a snapshot |
| 994 | dirty.delete(threadId); |
| 995 | const states = {}; |
| 996 | for (const [name, state] of threadStore(threadId)) { |
| 997 | const a = appByName(name); |
| 998 | if (a && a.snapshot === false) continue; // log-backed apps (chat) never snapshot |
| 999 | states[name] = state; |
| 1000 | } |
| 1001 | return { states, upTo }; |
| 1002 | } |
| 1003 | |
| 1004 | // After a fold changes state, tell the host (shell.js) so it can persist a fresh |
| 1005 | // snapshot. Debounced per thread: bursts of events (catch-up) save once. |
| 1006 | let stateSaver = null; // (threadId) => void — host loads takeSnapshot itself |
| 1007 | export function setStateSaver(fn) { |
| 1008 | stateSaver = fn; |
| 1009 | } |
| 1010 | const saveTimers = new Map(); |
| 1011 | function scheduleSnapshotSave(threadId) { |
| 1012 | if (!stateSaver || typeof setTimeout === "undefined") return; |
| 1013 | clearTimeout(saveTimers.get(threadId)); |
| 1014 | saveTimers.set( |
| 1015 | threadId, |
| 1016 | setTimeout(() => { |
| 1017 | saveTimers.delete(threadId); |
| 1018 | stateSaver(threadId); |
| 1019 | }, 3000), |
| 1020 | ); |
| 1021 | } |
| 1022 | |
| 1023 | export function appStateFor(threadId, appName) { |
| 1024 | return threadStore(threadId).get(appName); |
| 1025 | } |
| 1026 | |
| 1027 | // installMemberAppState swaps a sandboxed member app's frame-reported fold in |
| 1028 | // as the proxy's value (sandbox.js; docs/member-apps.md). The proxy's store |
| 1029 | // state is { v, vUpTo, pend }: `v` is the app's real folded state as reported |
| 1030 | // by its sandbox frame through message id `vUpTo`, `pend` the events queued |
| 1031 | // since. The swap is horizon-neutral — v+trimmed-pend represents exactly the |
| 1032 | // same fold as before, just pre-reduced — so it deliberately does NOT touch |
| 1033 | // maxFolded/foldedIds; it only re-dirties the thread so the snapshot debounce |
| 1034 | // persists the compacted form. Gated on the memberApp marker: this doorway |
| 1035 | // exists for sandbox proxies alone. |
| 1036 | export function installMemberAppState(threadId, appName, value, upTo, chat) { |
| 1037 | const app = appByName(appName); |
| 1038 | if (!app || !app.memberApp) return; |
| 1039 | const states = threadStore(threadId); |
| 1040 | const prev = states.get(appName) || {}; |
| 1041 | // Monotonic horizon only: a second frame (e.g. a transient command frame that |
| 1042 | // briefly coexists with the thread's visible one) can report an OLDER horizon |
| 1043 | // than the store already holds; applying it would regress `v` to an earlier |
| 1044 | // fold while the trim below drops the intervening pend. Ignore stale reports — |
| 1045 | // the live frame's next report (and reseed on reopen) is authoritative. |
| 1046 | if ((prev.vUpTo || 0) > (upTo || 0)) return; |
| 1047 | const pend = (prev.pend || []).filter((p) => p && p.meta && p.meta.id > upTo); |
| 1048 | // Preserve `lost`: it records that a MAX_PEND overflow permanently dropped |
| 1049 | // events (sandbox.js queueEvent), and the frame — which doesn't know about |
| 1050 | // it — must not wipe it on its next state report, or the "missing items" |
| 1051 | // warning vanishes and the lossy snapshot propagates silently. |
| 1052 | // `chat` (companion projections) is snapshotted alongside so the Chat view |
| 1053 | // survives the message window; keep the previous value when not reported. |
| 1054 | states.set(appName, { |
| 1055 | v: value, |
| 1056 | vUpTo: upTo || 0, |
| 1057 | pend, |
| 1058 | chat: chat !== undefined ? chat : prev.chat, |
| 1059 | lost: prev.lost, |
| 1060 | }); |
| 1061 | dirty.add(threadId); |
| 1062 | scheduleSnapshotSave(threadId); |
| 1063 | } |
| 1064 | |
| 1065 | // memberCtx builds a host ctx bound to a thread for a sandbox proxy — used by |
| 1066 | // sandbox.js for an off-thread command's transient logic frame, where no |
| 1067 | // render() supplied one. Same emit/schedule/etc. transports every app ctx has. |
| 1068 | export function memberCtx(threadId, app) { |
| 1069 | return makeCtx(threadId, app); |
| 1070 | } |
| 1071 | |
| 1072 | // foldEvent routes a decrypted app-event payload into its owning app's reducer and |
| 1073 | // stores the new state. Returns the owning app (so the caller can refresh its |
| 1074 | // surface / render an inline line), or null if no app owns the type OR this exact |
| 1075 | // message was already folded. Dedup is keyed on the unique server message id |
| 1076 | // (meta.id): the message window gets re-read on every thread re-open (catch-up), |
| 1077 | // so folding MUST be idempotent — otherwise each reopen re-adds every item. |
| 1078 | // An event at or below the thread's snapshot horizon is already inside the seeded |
| 1079 | // state — it's recognised (the app is returned, so e.g. its inline line renders) |
| 1080 | // but not re-reduced. That skip only applies to snapshotting apps: a snapshot |
| 1081 | // never contains a snapshot:false app's state, so its events below another |
| 1082 | // app's horizon must still fold. |
| 1083 | export function foldEvent(threadId, event, meta) { |
| 1084 | const app = typeOwner.get(event.type); |
| 1085 | if (!app || !app.reduce) return null; |
| 1086 | return foldInto(threadId, app, event, meta); |
| 1087 | } |
| 1088 | |
| 1089 | // optimisticFold shows a just-emitted event immediately — a LOCAL echo folded |
| 1090 | // before the server round-trips it back — so a send lands in the UI with no |
| 1091 | // network wait (and, for a drawing, no flash of the line vanishing until the |
| 1092 | // echo). It carries no server message id (meta.id): the fold-level de-dupe is |
| 1093 | // skipped, and the AUTHORITATIVE echo (which does carry one) re-folds the same |
| 1094 | // event to become the real record. That's only safe when the reducer is |
| 1095 | // idempotent by the event's OWN id — the same property every reducer already |
| 1096 | // needs, since the message window re-folds on every thread re-open — so an app |
| 1097 | // opts in explicitly with `optimistic: true` rather than us assuming it. `_cid` |
| 1098 | // (a client id shell.js tucks into the payload) rides back in the echo verbatim, |
| 1099 | // so a surface can pair the pending copy with its confirmation. Chat is host-fed |
| 1100 | // (chat.msg) and handled by shell.js directly. |
| 1101 | export function optimisticFold(threadId, event, cid) { |
| 1102 | const app = typeOwner.get(event.type); |
| 1103 | if (!app || !app.reduce || !app.optimistic) return null; |
| 1104 | return foldInto(threadId, app, event, { cid, ts: event.ts, pending: true }); |
| 1105 | } |
| 1106 | |
| 1107 | // foldHostEvent folds a HOST-SYNTHESIZED event into a named app, reaching its |
| 1108 | // hostEvents handlers — the doorway shell.js uses to feed chat messages and |
| 1109 | // server-enforced mutations (reactions, edits, deletes) into the chat app. |
| 1110 | // Deliberately not reachable from wire payloads: foldEvent routes only by owned |
| 1111 | // wire type, so a member can't spoof these by posting a typed message. |
| 1112 | export function foldHostEvent(threadId, appName, event, meta) { |
| 1113 | const app = appByName(appName); |
| 1114 | if (!app || !app.reduce) return null; |
| 1115 | return foldInto(threadId, app, event, meta); |
| 1116 | } |
| 1117 | |
| 1118 | function foldInto(threadId, app, event, meta) { |
| 1119 | const mid = meta && meta.id; |
| 1120 | if (mid != null) { |
| 1121 | // De-dupe is PER APP, not per thread: one server message can legitimately fold |
| 1122 | // into two apps at once — e.g. an app-thread event folds into its owning app |
| 1123 | // (state) AND into the chat app (an action-line bubble). A per-thread set would |
| 1124 | // let the first fold "win" and silently drop the second. |
| 1125 | let byApp = foldedIds.get(threadId); |
| 1126 | if (!byApp) foldedIds.set(threadId, (byApp = new Map())); |
| 1127 | let seen = byApp.get(app.name); |
| 1128 | if (!seen) byApp.set(app.name, (seen = new Set())); |
| 1129 | if (seen.has(mid)) return null; // already folded this message into THIS app — skip (no dup) |
| 1130 | seen.add(mid); |
| 1131 | if (app.snapshot !== false && mid <= (seededUpTo.get(threadId) || 0)) return app; // inside the snapshot |
| 1132 | } |
| 1133 | const states = threadStore(threadId); |
| 1134 | const prev = states.has(app.name) ? states.get(app.name) : undefined; |
| 1135 | states.set(app.name, app.reduce(prev, event, meta || {})); |
| 1136 | // Post-fold hook (optional per app): lets a host-level script react to a |
| 1137 | // record landing from ANOTHER client — e.g. the setup flow re-deriving its |
| 1138 | // parked question when a second device answers it (apps/setup.js `folded`). |
| 1139 | // After the reduce, so state already reflects the event; a hook must never |
| 1140 | // break the fold. |
| 1141 | if (app.folded) { |
| 1142 | try { app.folded(threadId, event, meta || {}); } catch { /* hook-only failure */ } |
| 1143 | } |
| 1144 | if (mid != null && app.snapshot !== false) { |
| 1145 | maxFolded.set(threadId, Math.max(maxFolded.get(threadId) || 0, mid)); |
| 1146 | dirty.add(threadId); |
| 1147 | scheduleSnapshotSave(threadId); |
| 1148 | } |
| 1149 | return app; |
| 1150 | } |
| 1151 | |
| 1152 | // ---- emit transport: how an app event reaches the wire ------------------ |
| 1153 | // shell.js owns the keys/socket, so it injects the transport rather than apps.js |
| 1154 | // reaching into crypto/ws. transport(threadId, event) → Promise<boolean>. |
| 1155 | |
| 1156 | let transport = null; |
| 1157 | export function setEmitTransport(fn) { |
| 1158 | transport = fn; |
| 1159 | } |
| 1160 | |
| 1161 | // emitAppEvent lets a HOST-LEVEL script (the setup conversation) emit a typed |
| 1162 | // event into a thread outside any app ctx — same transport, same encryption, |
| 1163 | // same injected name/ts/uid. Apps themselves should keep using ctx.emit. |
| 1164 | export function emitAppEvent(threadId, event) { |
| 1165 | return transport ? transport(threadId, event) : Promise.resolve(false); |
| 1166 | } |
| 1167 | |
| 1168 | // Scheduling: the server holds an encrypted "future message" and delivers it |
| 1169 | // into the thread at the due time — it arrives exactly like any other event |
| 1170 | // (folded, notified, pushed to closed apps), the server knowing only (thread, |
| 1171 | // time). shell.js injects { schedule(threadId, event, whenMs) → Promise<sid>, |
| 1172 | // cancel(sid) → Promise<boolean> } since it owns the keys and the token. |
| 1173 | let schedTransport = null; |
| 1174 | export function setScheduleTransport(t) { |
| 1175 | schedTransport = t; |
| 1176 | } |
| 1177 | |
| 1178 | // Ephemeral transport: relay-only delivery for presence traffic (typing, live |
| 1179 | // cursors). The server fans the encrypted blob out to the thread's members and |
| 1180 | // forgets it — never stored, never pushed, never folded. Receivers dispatch it |
| 1181 | // to the owning app's `ephemeral(event, ctx)` hook via deliverEphemeral. |
| 1182 | let ephemeralTransport = null; |
| 1183 | export function setEphemeralTransport(fn) { |
| 1184 | ephemeralTransport = fn; |
| 1185 | } |
| 1186 | |
| 1187 | // deliverEphemeral hands a live relay-only event to its owning app's hook. |
| 1188 | // Called by shell.js when an `ephemeral` frame arrives. Note: the sender gets its |
| 1189 | // own echo too — a hook that shouldn't react to itself checks e.uid !== ctx.me. |
| 1190 | export function deliverEphemeral(threadId, event) { |
| 1191 | const app = typeOwner.get(event && event.type); |
| 1192 | if (!app || !app.ephemeral) return; |
| 1193 | try { |
| 1194 | app.ephemeral(event, makeCtx(threadId, app)); |
| 1195 | } catch {} |
| 1196 | } |
| 1197 | |
| 1198 | // shell.js injects: the current user's id (for per-user logic like "your vote"), a |
| 1199 | // resolver that finds-or-creates the user's app-thread for a personal app, and a |
| 1200 | // toast fn for the "filed into your list" confirmation. |
| 1201 | let currentUser = null; |
| 1202 | let currentUserName = null; // your screen name — the fallback for uid-less legacy messages |
| 1203 | export function setCurrentUser(uid, name) { |
| 1204 | currentUser = uid; |
| 1205 | currentUserName = name || null; |
| 1206 | } |
| 1207 | // 🤖 currentUserId lets a `preview(event)` hook say "You" for the reader's own |
| 1208 | // event — preview hooks take no ctx (they're pure `event => string`), so this |
| 1209 | // is the one narrow door to "who's reading" outside a full ctx (see vault.js). |
| 1210 | export function currentUserId() { |
| 1211 | return currentUser; |
| 1212 | } |
| 1213 | let resolveAppThread = null; // (appName) → Promise<threadId> |
| 1214 | export function setAppThreadResolver(fn) { |
| 1215 | resolveAppThread = fn; |
| 1216 | } |
| 1217 | let toastFn = null; |
| 1218 | export function setToast(fn) { |
| 1219 | toastFn = fn; |
| 1220 | } |
| 1221 | // The default bot an unknown-command reply is attributed to (Eleven). shell.js |
| 1222 | // resolves it from the roster and returns { name, kind } (kind "ai"/"bot" → the |
| 1223 | // badge) or null when there's no bot to name. |
| 1224 | let defaultBotFn = null; |
| 1225 | export function setDefaultBot(fn) { |
| 1226 | defaultBotFn = fn; |
| 1227 | } |
| 1228 | // Whether a thread has a bot member — so /help lists the bot's commands (/theme, |
| 1229 | // …) only where a bot can actually answer them, exactly like the "/" typeahead. |
| 1230 | // shell.js injects its threadHasBot. Absent (or no injection) → assume none. |
| 1231 | let threadHasBotFn = null; |
| 1232 | export function setThreadHasBot(fn) { |
| 1233 | threadHasBotFn = fn; |
| 1234 | } |
| 1235 | // Whether a thread is a GROUP chat — the surface that can host shared app |
| 1236 | // instances ("@here", the Add-apps sheet). shell.js injects the kind lookup; |
| 1237 | // absent (Node tests inject a stub, native embeds may not) → nothing is a group, |
| 1238 | // so "@here" degrades to an explanatory reply, never a mis-filed event. |
| 1239 | let threadIsGroupFn = null; |
| 1240 | export function setThreadIsGroup(fn) { |
| 1241 | threadIsGroupFn = fn; |
| 1242 | } |
| 1243 | // The memory scratchpad's store (web/static/apps/memory.js): shell.js wires |
| 1244 | // load/save closures that hold the thread keys and the session token, so the |
| 1245 | // app file itself never touches crypto. load(threadId) → { memory, version }; |
| 1246 | // save(threadId, memory, version) → new version (throws on a 409 conflict). |
| 1247 | let memoryStoreFns = null; |
| 1248 | export function setMemoryStore(fns) { |
| 1249 | memoryStoreFns = fns; |
| 1250 | } |
| 1251 | export function getMemoryStore() { |
| 1252 | return memoryStoreFns; |
| 1253 | } |
| 1254 | // Which app OWNS a thread (a kind=="self" app-thread's app name, else null) — |
| 1255 | // shell.js injects its threadApp lookup. This is what scopes local commands and |
| 1256 | // the default command to the app's own thread. Absent → no thread is app-owned. |
| 1257 | let threadOwnerFn = null; |
| 1258 | export function setThreadOwner(fn) { |
| 1259 | threadOwnerFn = fn; |
| 1260 | } |
| 1261 | // The app object owning `threadId`, or null (not an app-thread / no injection). |
| 1262 | function threadOwnerApp(threadId) { |
| 1263 | const name = threadOwnerFn ? threadOwnerFn(threadId) : null; |
| 1264 | return name ? appByName(name) : null; |
| 1265 | } |
| 1266 | // Open a thread — used ONLY by an action chip a command offers, never by the |
| 1267 | // command itself (a command answers in place; leaving the context is the user's |
| 1268 | // tap — see CLAUDE.md). shell.js injects openThread. |
| 1269 | let openThreadFn = null; |
| 1270 | export function setThreadOpener(fn) { |
| 1271 | openThreadFn = fn; |
| 1272 | } |
| 1273 | // Show an app INSTANCE — ctx.open's implementation, injected by shell.js. |
| 1274 | // (appName, threadId) → reveal that copy where it legitimately lives: a |
| 1275 | // personal app-thread opens as a thread, a chat copy's Interface pane opens |
| 1276 | // beside the chat, a space copy opens its sidebar home. Never a raw thread |
| 1277 | // navigation — the space thread has no chat surface to land on. |
| 1278 | let instanceOpenFn = null; |
| 1279 | export function setInstanceOpener(fn) { |
| 1280 | instanceOpenFn = fn; |
| 1281 | } |
| 1282 | // Privileged host capabilities an app can't perform itself because they need the |
| 1283 | // session keypair, roster public keys, or fetch — all of which live in shell.js. |
| 1284 | // Deliberately narrow. Currently just connected third-party services |
| 1285 | // (docs/connected-services.md); shell.js injects the implementation. |
| 1286 | let hostBridge = null; |
| 1287 | export function setHostBridge(b) { |
| 1288 | hostBridge = b; |
| 1289 | } |
| 1290 | // Space info for Eleven's guided tour: a promise of { name, adminName, adminEmail } |
| 1291 | // — the group name plus the optional administrator identity (a member-gated read). |
| 1292 | // shell.js injects the fetch; absent or failing → the tour degrades to just a name. |
| 1293 | let spaceInfoFn = null; |
| 1294 | export function setSpaceInfo(fn) { |
| 1295 | spaceInfoFn = fn; |
| 1296 | } |
| 1297 | export function spaceInfo() { |
| 1298 | if (!spaceInfoFn) return Promise.resolve({}); |
| 1299 | return Promise.resolve() |
| 1300 | .then(() => spaceInfoFn()) |
| 1301 | .catch(() => ({})); |
| 1302 | } |
| 1303 | // The default bot (Eleven), for modules that speak in Eleven's voice or need to |
| 1304 | // know whether conversational AI is on here (kind === "ai"). Null when no bot. |
| 1305 | export function defaultBot() { |
| 1306 | return defaultBotFn ? defaultBotFn() : null; |
| 1307 | } |
| 1308 | // Open a personal app's own thread (created on first use) — for a chip that invites |
| 1309 | // someone to try To-do / Reminders. Leaving the current context is always their tap. |
| 1310 | export async function openAppThread(name) { |
| 1311 | if (!resolveAppThread || !openThreadFn) return; |
| 1312 | const id = await resolveAppThread(name); |
| 1313 | if (id) openThreadFn(id); |
| 1314 | } |
| 1315 | // The guided tour lives in your DM with Eleven. When "Show me around" is tapped |
| 1316 | // from anywhere else, this navigates there (finding or creating the DM) and |
| 1317 | // returns a notice sink bound to it, so the rest of the tour renders in the DM. |
| 1318 | // Returns null when there's no Eleven to DM (the tour then just stays in place). |
| 1319 | // shell.js injects the implementation (roster + DM create + open live there). |
| 1320 | let elevenTourFn = null; |
| 1321 | export function setElevenTour(fn) { |
| 1322 | elevenTourFn = fn; |
| 1323 | } |
| 1324 | export function elevenTour() { |
| 1325 | if (!elevenTourFn) return Promise.resolve(null); |
| 1326 | return Promise.resolve() |
| 1327 | .then(() => elevenTourFn()) |
| 1328 | .catch(() => null); |
| 1329 | } |
| 1330 | |
| 1331 | // ---- conversational answers ---------------------------------------------- |
| 1332 | // |
| 1333 | // A scripted conversation (the setup flow) can ask a question and take the next |
| 1334 | // thing typed in that thread's composer as the answer. The message still sends |
| 1335 | // normally — the answer is a real chat bubble in the transcript — the waiter is |
| 1336 | // just told what it said. One waiter per thread; asking again replaces it. |
| 1337 | const answerWaiters = new Map(); // threadId → fn(text, respond) |
| 1338 | |
| 1339 | export function awaitAnswer(threadId, fn) { |
| 1340 | answerWaiters.set(threadId, fn); |
| 1341 | } |
| 1342 | // The label ("Your name:") is presentation for the waiter, but they live in |
| 1343 | // different modules — chat.js registers this hook so EVERY cancelled ask |
| 1344 | // clears its labelled composer too (#1375): the dismiss X, a chip's |
| 1345 | // cancelInput, the folded re-derive. Before the hook, a cancelInput chip |
| 1346 | // stranded the pill until the next send. |
| 1347 | let answerCancelledHook = null; |
| 1348 | export function setAnswerCancelledHook(fn) { |
| 1349 | answerCancelledHook = fn; |
| 1350 | } |
| 1351 | export function cancelAnswer(threadId) { |
| 1352 | answerWaiters.delete(threadId); |
| 1353 | if (answerCancelledHook) answerCancelledHook(threadId); |
| 1354 | } |
| 1355 | // Whether a script sits parked on a question here — the setup flow's folded |
| 1356 | // hook uses it to tell "parked, needs a re-derive" from "mid-run or ended". |
| 1357 | export function hasAnswerWaiter(threadId) { |
| 1358 | return answerWaiters.has(threadId); |
| 1359 | } |
| 1360 | // Called by the chat app after a message actually sent. Consumes the waiter — |
| 1361 | // a follow-up question re-arms it — and returns whether one was listening. |
| 1362 | // `payload` is the sent message ({ text, attachments }) so a script can also |
| 1363 | // take a PHOTO as the answer (the setup flow's server-photo step); a bare |
| 1364 | // string is accepted for convenience. |
| 1365 | export function deliverAnswer(threadId, payload, respond) { |
| 1366 | const fn = answerWaiters.get(threadId); |
| 1367 | if (!fn) return false; |
| 1368 | answerWaiters.delete(threadId); |
| 1369 | const p = typeof payload === "string" ? { text: payload } : payload || {}; |
| 1370 | fn(p.text || "", p, respond); |
| 1371 | return true; |
| 1372 | } |
| 1373 | |
| 1374 | // ---- setup bridge ---------------------------------------------------------- |
| 1375 | // |
| 1376 | // The first-run setup conversation (apps/setup.js) is a HOST-LEVEL script like |
| 1377 | // the tour — it writes real instance settings, which no mini-app may do (apps |
| 1378 | // never fetch). shell.js injects these capabilities; the script only ever talks |
| 1379 | // to this bridge. Null until a host provides it (e.g. Node tests, native embed). |
| 1380 | let setupBridgeImpl = null; |
| 1381 | export function setSetupBridge(b) { |
| 1382 | setupBridgeImpl = b; |
| 1383 | } |
| 1384 | export function setupBridge() { |
| 1385 | return setupBridgeImpl; |
| 1386 | } |
| 1387 | |
| 1388 | function makeCtx(threadId, app) { |
| 1389 | return { |
| 1390 | threadId, |
| 1391 | // Emit a typed event into the thread (encrypted + sent as a normal message). |
| 1392 | // The transport injects `name` (your screen name), `ts` (send time) and `uid` |
| 1393 | // (your user id) onto every event, so a handler can read e.name/e.ts/e.uid |
| 1394 | // without the emitter setting them. |
| 1395 | emit: (event) => (transport ? transport(threadId, event) : Promise.resolve(false)), |
| 1396 | // A stable unique id for app entities (todo items, etc). Mint one per new |
| 1397 | // entity in the emit; later events (done/remove) reuse that id. |
| 1398 | id: () => crypto.randomUUID(), |
| 1399 | // Namespace resolvers bound to THIS app: ctx.ev("add") → "todo.add", |
| 1400 | // ctx.cls("item") → "todo-item". The same strings the app's `events` map |
| 1401 | // declares (via the module-level namespace()) — one source of truth for the |
| 1402 | // prefix, so a render/command reference can never drift from the fold's keys. |
| 1403 | ev: app.ns.ev, |
| 1404 | cls: app.ns.cls, |
| 1405 | // The current user's id — for per-user logic (whose vote, etc). |
| 1406 | me: currentUser, |
| 1407 | // Your screen name — lets an app recognise your own legacy (uid-less) |
| 1408 | // messages by name, mirroring ownMessage()'s fallback in the original feed. |
| 1409 | meName: currentUserName, |
| 1410 | // Latest state: a derived read over the app's folded event log. No second |
| 1411 | // store — two devices folding the same events converge by construction. |
| 1412 | getState: () => appStateFor(threadId, app.name), |
| 1413 | // Schedule an event for future delivery BY THE SERVER: at `whenMs` (epoch |
| 1414 | // ms) the event arrives in this thread like any other — folded everywhere, |
| 1415 | // notified via the app's notify hook, pushed to closed apps (give the event |
| 1416 | // a `notice: {title, body}` for that). Returns a schedule id to cancel with, |
| 1417 | // or null. Store the id in an emitted event so ANY device can cancel it. |
| 1418 | schedule: (event, whenMs) => |
| 1419 | schedTransport ? schedTransport.schedule(threadId, event, whenMs) : Promise.resolve(null), |
| 1420 | // Cancel a pending scheduled event by the id schedule() returned. |
| 1421 | unschedule: (sid) => (schedTransport && sid ? schedTransport.cancel(sid) : Promise.resolve(false)), |
| 1422 | // Emit a relay-only event: delivered live to the thread's members (including |
| 1423 | // your own echo), never stored or folded. For presence traffic — the |
| 1424 | // receiving app handles it in its `ephemeral(event, ctx)` hook. |
| 1425 | emitEphemeral: (event) => |
| 1426 | ephemeralTransport ? ephemeralTransport(threadId, event) : Promise.resolve(false), |
| 1427 | // Start a ticker the framework stops for you when the surface is redrawn or |
| 1428 | // the thread is reset — no timer bookkeeping in the app (used by render only). |
| 1429 | interval: (fn, ms) => { |
| 1430 | if (typeof setInterval === "undefined") return null; |
| 1431 | const id = setInterval(fn, ms); |
| 1432 | addCleanup(threadId, app.name, () => clearInterval(id)); |
| 1433 | return id; |
| 1434 | }, |
| 1435 | // Register any teardown to run before the next render / on thread reset. |
| 1436 | onCleanup: (fn) => addCleanup(threadId, app.name, fn), |
| 1437 | // Where THIS ctx's copy lives — "you" (the app's own thread), "chat" (a |
| 1438 | // shared copy in a conversation), or "space" (the one space-wide |
| 1439 | // instance). Apps may word replies with it (todo names the destination |
| 1440 | // list); the framework stamps routed replies with the place regardless |
| 1441 | // (see runCommand), so the disclosure never depends on app cooperation. |
| 1442 | place: threadId === spaceThreadId() ? "space" : threadOwnerApp(threadId) === app ? "you" : "chat", |
| 1443 | // Show this app instance — for an action chip a command offers, so moving |
| 1444 | // out of the current context is always the user's tap. Routed per place |
| 1445 | // (see setInstanceOpener); the bare thread-open is only a degraded |
| 1446 | // fallback for hosts that never inject the opener. |
| 1447 | open: () => (instanceOpenFn ? instanceOpenFn(app.name, threadId) : openThreadFn ? openThreadFn(threadId) : undefined), |
| 1448 | // Privileged host capabilities (session keypair / roster / fetch), injected |
| 1449 | // by shell.js — narrow by design (see setHostBridge). null in the native embed. |
| 1450 | host: hostBridge, |
| 1451 | }; |
| 1452 | } |
| 1453 | |
| 1454 | // ---- commands ----------------------------------------------------------- |
| 1455 | |
| 1456 | // Bot-floor commands the CLIENT now answers directly (not the bot), with a private |
| 1457 | // "only visible to you" notice — so they work in EVERY thread, bot present or not. |
| 1458 | // They still live in BOT_COMMANDS (the sidecar keeps its own handler + the "/" |
| 1459 | // typeahead lists them), but runCommand catches them before sending, and |
| 1460 | // commandCatalog flags them non-bot so the typeahead shows them everywhere. |
| 1461 | const CLIENT_ANSWERED = new Set(["/help"]); |
| 1462 | |
| 1463 | // Floor commands the CLIENT answers in place, owned by no app and never sent to a |
| 1464 | // bot (like /help, but contributed by a feature module — e.g. /tutorial). Each is |
| 1465 | // run(args, threadId, reply), rendering private notices via reply. Kept apart from |
| 1466 | // BOT_COMMANDS so the sidecar never sees a command it has no handler for, and |
| 1467 | // listed in the "/" typeahead everywhere (bot:false), like the client-answered set. |
| 1468 | const floorCommands = new Map(); // name -> { desc, args, run(args, threadId, reply) } |
| 1469 | export function registerFloorCommand(name, spec) { |
| 1470 | floorCommands.set(name, { desc: (spec && spec.desc) || "", args: (spec && spec.args) || "", run: spec && spec.run }); |
| 1471 | } |
| 1472 | |
| 1473 | // helpNotice lists the commands you can use, as the private "/help" reply. Mirrors |
| 1474 | // the typeahead: the bot's commands (/theme, …) show only where a bot can answer |
| 1475 | // them, so /help never advertises a command that would do nothing here. |
| 1476 | function helpNotice(threadId) { |
| 1477 | const hasBot = threadHasBotFn ? !!threadHasBotFn(threadId) : false; |
| 1478 | const lines = commandCatalog(threadId) |
| 1479 | // Alt rows (the "@me"/"@everyone" variants the typeahead offers) would |
| 1480 | // triple some verbs here — the closing sentence teaches the flags once. |
| 1481 | .filter((c) => (!c.bot || hasBot) && !c.alt) |
| 1482 | .map((c) => `${c.name}${c.args ? " " + c.args : ""} — ${c.desc}`); |
| 1483 | // The one routing sentence (the "places" grammar) — /help teaches the same |
| 1484 | // rule the typeahead labels disclose per keystroke, in the same words. The |
| 1485 | // space clause and @everyone only teach while some listed app can actually |
| 1486 | // live there: with shipped apps parked at you+chat (docs/space-apps.md |
| 1487 | // § The pullback), mentioning @everyone would teach a dead end. |
| 1488 | const spacey = listedApps().some((a) => a.places.includes("space")); |
| 1489 | const text = lines.length |
| 1490 | ? "Commands you can use:\n" + |
| 1491 | lines.join("\n") + |
| 1492 | `\n\nA command acts on the nearest copy of its app — this chat's${spacey ? ", then the space's" : ""}, then yours. Each line above names where it lands. Point one at a place yourself with ${ME_FLAG}${spacey ? `, ${HERE_FLAG}, or ${EVERYONE_FLAG}` : ` or ${HERE_FLAG}`} — e.g. /todo ${ME_FLAG} dentist.` |
| 1493 | : "No commands are available here yet."; |
| 1494 | return { sender: defaultBotFn ? defaultBotFn() : null, text }; |
| 1495 | } |
| 1496 | |
| 1497 | // parseCommand pulls the command out of "/todo buy milk" → {name:"/todo", |
| 1498 | // args:"buy milk", app, local}. `app` is the owning app, or null when the text |
| 1499 | // is "/word" but no app owns it (a FAILED command — the caller answers with an |
| 1500 | // "unknown command" reply rather than broadcasting it). Returns null only when |
| 1501 | // the text isn't a command attempt at all: no leading "/", or a bare "/" / "/ …" |
| 1502 | // (a lone slash is punctuation, sent as normal text). Pass the thread the text |
| 1503 | // was typed in as `threadId` and the owning app's LOCAL commands resolve there |
| 1504 | // first ("/add" in the To-do thread) — without it, only global commands match. |
| 1505 | export function parseCommand(text, threadId) { |
| 1506 | if (!text || text[0] !== "/") return null; |
| 1507 | const m = /^\/(\S+)/.exec(text); |
| 1508 | if (!m) return null; // "/" alone or "/ …" → literal text, not a command |
| 1509 | const name = "/" + m[1]; |
| 1510 | const args = text.slice(name.length).trim(); |
| 1511 | const owner = threadId !== undefined ? threadOwnerApp(threadId) : null; |
| 1512 | if (owner && owner.commands[name] && owner.commands[name].local) { |
| 1513 | return { name, args, app: owner, local: true }; |
| 1514 | } |
| 1515 | return { name, args, app: commandOwner.get(name) || null, local: false }; |
| 1516 | } |
| 1517 | |
| 1518 | // defaultCommandFor: the command that plain (non-slash) text typed into |
| 1519 | // `threadId` should run — { app, name, spec } — or null when the thread isn't |
| 1520 | // an app-thread, the app declares no defaultCommand, or a bot member is present |
| 1521 | // (an LLM answering the thread makes plain text a real message again, so the |
| 1522 | // implicit routing steps aside). This is the whole "typing into To-do adds a |
| 1523 | // to-do" decision, kept pure so web, tests, and native mirror one rule. |
| 1524 | export function defaultCommandFor(threadId) { |
| 1525 | const app = threadOwnerApp(threadId); |
| 1526 | if (!app || !app.defaultCommand) return null; |
| 1527 | const spec = app.commands[app.defaultCommand]; |
| 1528 | if (!spec || !spec.run) return null; |
| 1529 | if (threadHasBotFn && threadHasBotFn(threadId)) return null; |
| 1530 | return { app, name: app.defaultCommand, spec }; |
| 1531 | } |
| 1532 | |
| 1533 | // ---- @-mentioning a group app -------------------------------------------- |
| 1534 | // |
| 1535 | // In a chat that has apps added, "@To-do buy milk" runs the app's DEFAULT |
| 1536 | // command with the rest of the text: the mention is the address, the text is |
| 1537 | // the action, and what lands in the thread is the EVENT (folded by every |
| 1538 | // member) — not a message. The same "the message becomes the action" idea as |
| 1539 | // defaultCommand in a personal app-thread, made explicit because a group's |
| 1540 | // plain text is real conversation that an app must never eat (see CLAUDE.md). |
| 1541 | |
| 1542 | // mentionableApps: the apps "@App …" can address in a thread — the chat's own |
| 1543 | // added apps first (the nearer scope), then the space-wide installs, deduped. |
| 1544 | // A space-installed app is mentionable in EVERY chat; its default command acts |
| 1545 | // on the shared space instance (see runAppMention's target resolution). |
| 1546 | // Exported for the shell's "@" typeahead, so what's suggested and what |
| 1547 | // resolves stay one list. |
| 1548 | export function mentionableApps(threadId) { |
| 1549 | const out = [...groupAppsFor(threadId)]; |
| 1550 | for (const a of spaceAppsFor()) { |
| 1551 | if (!out.some((g) => g.name === a.name)) out.push(a); |
| 1552 | } |
| 1553 | return out; |
| 1554 | } |
| 1555 | |
| 1556 | // parseAppMention pulls the addressed app out of leading-@ text — |
| 1557 | // "@To-do buy milk" → { app, args: "buy milk" } — or null when the text doesn't |
| 1558 | // address an added app. Matches an ADDED app (this thread's groupapps state, or |
| 1559 | // a space-wide install) by title or name, case-insensitively, and requires the |
| 1560 | // mention to break on whitespace so "@To-dos…" never matches To-do. Pure, so |
| 1561 | // it's testable in Node. |
| 1562 | export function parseAppMention(text, threadId) { |
| 1563 | if (!text || text[0] !== "@") return null; |
| 1564 | for (const app of mentionableApps(threadId)) { |
| 1565 | if (!app.defaultCommand) continue; |
| 1566 | for (const label of [app.title, app.name]) { |
| 1567 | if (!label) continue; |
| 1568 | if (text.slice(1, 1 + label.length).toLowerCase() !== label.toLowerCase()) continue; |
| 1569 | const rest = text.slice(1 + label.length); |
| 1570 | if (rest && !/^\s/.test(rest)) break; // mid-word — not this app's mention |
| 1571 | return { app, args: rest.trim() }; |
| 1572 | } |
| 1573 | } |
| 1574 | return null; |
| 1575 | } |
| 1576 | |
| 1577 | // runAppMention executes "@App <text>" typed in `threadId`: the app's default |
| 1578 | // command runs with ctx bound to THAT thread, so the event lands in the group |
| 1579 | // log. Returns true when the text addressed an added app — the composer then |
| 1580 | // clears instead of sending a message. Confirmation replies are suppressed |
| 1581 | // (the folded event already shows as an action line — the signal is `short`, |
| 1582 | // see noticeCalmsDown); content replies (a usage line for a bare "@To-do") |
| 1583 | // still render privately where you typed, via respond. |
| 1584 | export function runAppMention(text, threadId, respond) { |
| 1585 | const m = parseAppMention(text, threadId); |
| 1586 | if (!m) return false; |
| 1587 | const spec = m.app.commands[m.app.defaultCommand]; |
| 1588 | if (!spec || !spec.run) return false; |
| 1589 | const label = m.app.title || m.app.name; |
| 1590 | const sender = { name: label, glyph: m.app.glyph, logo: m.app.logo, kind: "app" }; |
| 1591 | const reply = (r) => { |
| 1592 | try { |
| 1593 | respond && respond({ sender, ...r }); |
| 1594 | } catch (e) { |
| 1595 | console.error(e); |
| 1596 | } |
| 1597 | }; |
| 1598 | // A bare mention of a command that expects arguments gets the usage line in |
| 1599 | // MENTION form — the command's own usage would name a slash verb (/add) that |
| 1600 | // doesn't resolve in this thread. |
| 1601 | if (!m.args && spec.args) { |
| 1602 | reply({ text: `Usage: @${label} ${spec.args}` }); |
| 1603 | return true; |
| 1604 | } |
| 1605 | // The mention acts on the NEAREST copy, mirroring instanceThread's order |
| 1606 | // synchronously (runAppMention's boolean return gates the composer, so it |
| 1607 | // can't await): this chat's instance when added here, else the space-wide |
| 1608 | // one mentionableApps admitted. Panels and replies stay where you typed. |
| 1609 | const target = groupAppsFor(threadId).some((a) => a.name === m.app.name) ? threadId : spaceThreadId(); |
| 1610 | if (!target) return false; |
| 1611 | const ctx = makeCtx(target, m.app); |
| 1612 | ctx.reply = (r) => { |
| 1613 | if (noticeCalmsDown(r)) return; // the action line in the feed is the record |
| 1614 | // A mention routed to the space instance labels its (content/error) |
| 1615 | // replies like a routed slash command does — same disclosure, same words. |
| 1616 | reply(target !== threadId ? { place: ctx.place, ...r } : r); |
| 1617 | }; |
| 1618 | // Mentions get the same transient-panel doorway a slash command does — the |
| 1619 | // mention is typed in this thread, so the panel opens right here. |
| 1620 | ctx.panel = (s) => openCommandPanel(threadId, panelSpecFor(m.app, ctx, sender, s)); |
| 1621 | ctx.closePanel = () => closeCommandPanel(threadId); |
| 1622 | Promise.resolve(spec.run(m.args, ctx)).catch((e) => console.error(e)); |
| 1623 | return true; |
| 1624 | } |
| 1625 | |
| 1626 | // ---- place flags: the @-keywords that aim a command at a place ------------- |
| 1627 | // |
| 1628 | // ONE spot for the spellings, so playing with the words is a one-line change |
| 1629 | // (@everyone is a lot to type — @all? @space?): every surface that SHOWS a |
| 1630 | // flag (the typeahead's alt rows, /help's closing sentence, refusal copy) |
| 1631 | // reads the canonical constant, and the parsers accept it plus its aliases. |
| 1632 | // If a canonical spelling ever changes, move the old one into the alias list |
| 1633 | // so members' muscle memory keeps working. |
| 1634 | export const HERE_FLAG = "@here"; |
| 1635 | export const ME_FLAG = "@me"; |
| 1636 | export const EVERYONE_FLAG = "@everyone"; |
| 1637 | // Accepted on parse, never shown — some people will guess the place's own name. |
| 1638 | export const EVERYONE_ALIASES = ["@space"]; |
| 1639 | // Only a LEADING flag counts, and it must break on whitespace ("@heresy" is |
| 1640 | // just text): matched flag → the rest of the args in group 1. |
| 1641 | const flagRe = (...flags) => new RegExp("^(?:" + flags.join("|") + ")(?:\\s+([\\s\\S]*))?$"); |
| 1642 | const HERE_RE = flagRe(HERE_FLAG); |
| 1643 | const EVERYONE_RE = flagRe(EVERYONE_FLAG, ...EVERYONE_ALIASES); |
| 1644 | const ME_RE = flagRe(ME_FLAG); |
| 1645 | |
| 1646 | // parseHere pulls the "@here" flag off a command's arguments — the general |
| 1647 | // pattern "/todo @here buy milk": the flag addresses THIS chat's shared |
| 1648 | // instance, installing the app first if it isn't added yet (see runCommand). |
| 1649 | // Returns { rest } with the remaining args, or null when the flag isn't |
| 1650 | // present. Pure, so it's testable in Node. |
| 1651 | export function parseHere(args) { |
| 1652 | const m = HERE_RE.exec((args || "").trim()); |
| 1653 | return m ? { rest: (m[1] || "").trim() } : null; |
| 1654 | } |
| 1655 | |
| 1656 | // parseEveryone is @here's space-wide sibling: "/stickers @everyone" installs |
| 1657 | // the app for the WHOLE space (a bare flag is just the install; trailing text |
| 1658 | // runs the command against the fresh space instance). Pure, so it's testable |
| 1659 | // in Node. |
| 1660 | export function parseEveryone(args) { |
| 1661 | const m = EVERYONE_RE.exec((args || "").trim()); |
| 1662 | return m ? { rest: (m[1] || "").trim() } : null; |
| 1663 | } |
| 1664 | |
| 1665 | // parseMeFlag completes the family toward PRIVACY: "/todo @me dentist" files |
| 1666 | // into YOUR copy even where a chat or space copy claims the bare verb — the |
| 1667 | // escape hatch points at the safe place. (Named -Flag to keep clear of |
| 1668 | // parseMeCommand, the "/me waves" emote.) Pure, so it's testable in Node. |
| 1669 | export function parseMeFlag(args) { |
| 1670 | const m = ME_RE.exec((args || "").trim()); |
| 1671 | return m ? { rest: (m[1] || "").trim() } : null; |
| 1672 | } |
| 1673 | |
| 1674 | // ---- command panels: a transient surface a command opens ------------------ |
| 1675 | // |
| 1676 | // A command can answer with more than a private reply: it can open a PANEL — a |
| 1677 | // temporary, interactive surface in the chat you TYPED in (just above the |
| 1678 | // composer by default, or pinned above the feed with position: "top"). It's |
| 1679 | // the richer sibling of the reply, still in place: /gif would show a grid of |
| 1680 | // results, tapping one attaches it and dismisses the panel. A panel is |
| 1681 | // client-only chrome — never sent, never folded, gone on dismissal or when the |
| 1682 | // pane unmounts — so it carries no events and no durable state. One panel per |
| 1683 | // thread: opening another replaces it. The USER dismisses it (its ✕, or |
| 1684 | // Escape) or the APP does (panel.close()). The chat app injects the host that |
| 1685 | // actually draws it; openCommandPanel returns false when the thread has no |
| 1686 | // mounted chat surface, so a command can fall back to a plain reply. |
| 1687 | let panelHost = null; // (threadId, spec|null) => boolean — the chat app injects it |
| 1688 | export function setCommandPanelHost(fn) { |
| 1689 | panelHost = fn; |
| 1690 | } |
| 1691 | export function openCommandPanel(threadId, spec) { |
| 1692 | if (!panelHost || !spec || typeof spec.render !== "function") return false; |
| 1693 | return !!panelHost(threadId, spec); |
| 1694 | } |
| 1695 | export function closeCommandPanel(threadId) { |
| 1696 | if (panelHost) panelHost(threadId, null); |
| 1697 | } |
| 1698 | // A host-side observer of panel visibility, fired by the HOST's controller for |
| 1699 | // every show and dismiss — command open, replacement, the ✕, Escape, and the |
| 1700 | // app's own panel.close() all land here, so it's the one reliable signal that |
| 1701 | // the panel's box appeared or went away. The command-host embed (the native |
| 1702 | // Mac shell's panel webview) uses it to tell the shell to reveal or collapse |
| 1703 | // the webview around the panel. |
| 1704 | let panelObserver = null; // (threadId, spec|null) => void |
| 1705 | export function setCommandPanelObserver(fn) { |
| 1706 | panelObserver = fn; |
| 1707 | } |
| 1708 | // Additive observers, for host chrome that mirrors panel state without owning |
| 1709 | // it (the shell's Views button names whatever the sidebar is showing). The |
| 1710 | // single set-slot above stays the command-host embed's — the two never fight. |
| 1711 | const panelObservers = new Set(); |
| 1712 | export function addCommandPanelObserver(fn) { |
| 1713 | panelObservers.add(fn); |
| 1714 | } |
| 1715 | export function notifyCommandPanel(threadId, spec) { |
| 1716 | for (const fn of panelObserver ? [panelObserver, ...panelObservers] : [...panelObservers]) { |
| 1717 | try { |
| 1718 | fn(threadId, spec || null); |
| 1719 | } catch (e) { |
| 1720 | console.error(e); |
| 1721 | } |
| 1722 | } |
| 1723 | } |
| 1724 | |
| 1725 | // panelSpecFor resolves a command's panel request to the host spec. Two forms: |
| 1726 | // a `render` closure (the trusted-world original), or the DECLARATIVE form — |
| 1727 | // ctx.panel({ title, data }) plus a top-level `panel(data, el, panelCtx)` hook |
| 1728 | // on the app. The declarative form is the one the member-app sandbox supports |
| 1729 | // (a closure can't cross its bridge), and it works identically here, so one |
| 1730 | // app file runs compiled-in or uploaded. panelCtx = the host handle (close / |
| 1731 | // insertText / …) plus the app ctx's emit/id/me/getState. |
| 1732 | function panelSpecFor(app, ctx, sender, spec) { |
| 1733 | const s = { sender, ...spec }; |
| 1734 | if (typeof s.render !== "function" && app && typeof app.panel === "function") { |
| 1735 | const data = s.data === undefined ? null : s.data; |
| 1736 | s.render = (el, handle) => |
| 1737 | app.panel(data, el, { ...handle, emit: ctx.emit, id: ctx.id, me: ctx.me, getState: ctx.getState }); |
| 1738 | } |
| 1739 | return s; |
| 1740 | } |
| 1741 | |
| 1742 | // /me is unlike every other command: it BROADCASTS a real message (an |
| 1743 | // action-style line, `{text, action:true}`) rather than answering privately, |
| 1744 | // so the composer (chat.js) handles it directly, before runCommand ever sees |
| 1745 | // the text. parseMeCommand pulls the action out of "/me waves" → "waves" (or |
| 1746 | // "" for a bare "/me"), or null when the text isn't a /me line at all — kept |
| 1747 | // pure + exported so it's unit-tested without a DOM. |
| 1748 | export function parseMeCommand(text) { |
| 1749 | const m = /^\/me(?:\s+([\s\S]*))?$/i.exec((text || "").trim()); |
| 1750 | return m ? (m[1] || "").trim() : null; |
| 1751 | } |
| 1752 | |
| 1753 | // runCommand executes a slash command, answering IN PLACE via respond(response) |
| 1754 | // — a private "only visible to you" reply the caller renders in the CURRENT |
| 1755 | // thread's feed (see buildLocalNotice). Returns true synchronously whenever the |
| 1756 | // text was a command attempt (registered OR not), so the composer clears and a |
| 1757 | // mistyped "/foo" is never broadcast to the thread. A personal app's command is |
| 1758 | // routed to the user's own app-thread (created on first use) no matter which |
| 1759 | // chat it was typed in; a shared app's command targets the current chat. The |
| 1760 | // handler answers with ctx.reply(...); it never navigates — moving out of |
| 1761 | // context is only ever an action chip the user taps (see CLAUDE.md). |
| 1762 | export function runCommand(text, activeThreadId, respond) { |
| 1763 | const cmd = parseCommand(text, activeThreadId); |
| 1764 | if (!cmd) return false; // not a command attempt → let the composer send it |
| 1765 | const reply = (r) => { |
| 1766 | try { |
| 1767 | respond && respond(r); |
| 1768 | } catch (e) { |
| 1769 | console.error(e); |
| 1770 | } |
| 1771 | }; |
| 1772 | if (!cmd.app) { |
| 1773 | // A registered floor command (e.g. /tutorial) answers itself, in place. |
| 1774 | const floor = floorCommands.get(cmd.name); |
| 1775 | if (floor && floor.run) { |
| 1776 | floor.run(cmd.args, activeThreadId, reply); |
| 1777 | return true; |
| 1778 | } |
| 1779 | // /help (and any other CLIENT_ANSWERED floor command) is answered right here |
| 1780 | // with a private notice — no bot needed, so it works in every thread. |
| 1781 | if (cmd.name === "/help") { |
| 1782 | reply(helpNotice(activeThreadId)); |
| 1783 | return true; |
| 1784 | } |
| 1785 | // Any other bot command (/theme, …) is SENT so the bot answers it: return false |
| 1786 | // to let the composer post it. Only a truly unknown "/word" is caught + answered. |
| 1787 | if (BOT_COMMANDS[cmd.name]) return false; |
| 1788 | // In an app's own thread the app answers for itself; elsewhere Eleven does. |
| 1789 | const owner = threadOwnerApp(activeThreadId); |
| 1790 | const sender = owner ? { name: owner.title || owner.name, glyph: owner.glyph, logo: owner.logo, kind: "app" } : defaultBotFn ? defaultBotFn() : null; |
| 1791 | reply({ sender, text: `${cmd.name} isn't a command. Type / to see what's available.` }); |
| 1792 | return true; // swallow — a failed command is answered, not broadcast |
| 1793 | } |
| 1794 | const app = cmd.app; |
| 1795 | (async () => { |
| 1796 | let target = activeThreadId; |
| 1797 | let args = cmd.args; |
| 1798 | const sender = { name: app.title || app.name, glyph: app.glyph, logo: app.logo, kind: "app" }; |
| 1799 | // "/todo @here buy milk" — the @here flag addresses THIS chat's shared |
| 1800 | // instance, INSTALLING the app into the group first if needed (the same |
| 1801 | // groupapps.add the Add-apps sheet emits, so everyone gets the widget bar |
| 1802 | // and the action line). A bare "/todo @here" is just the install. Only |
| 1803 | // meaningful for a group-capable personal app in a group — anywhere else |
| 1804 | // it answers with a private explanation rather than mis-filing the text. |
| 1805 | // Any chat-placeable OR personal app parses the flag: for a chat-only |
| 1806 | // app (Poll) @here is redundant — its bare verb already adopts into the |
| 1807 | // group — but a redundant flag must be STRIPPED, never folded into the |
| 1808 | // user's content ("@here Pizza?" is not a poll title). |
| 1809 | const here = !cmd.local && (app.places.includes("you") || app.places.includes("chat")) && parseHere(args); |
| 1810 | // "/stickers @everyone …" — @here's space-wide sibling: install the app |
| 1811 | // for the WHOLE space (creating the space thread on first use), then run |
| 1812 | // any trailing text against the shared space instance. Works from any |
| 1813 | // chat — that's the point — and answers with a private explanation when |
| 1814 | // the app can't be space-installed or the keys aren't ready yet. |
| 1815 | const everyone = !cmd.local && !here && parseEveryone(args); |
| 1816 | // "/todo @me …" — the family's third member, pointing at PRIVACY: file |
| 1817 | // into your own copy even where a chat or space copy claims the bare |
| 1818 | // verb. No install side effects ever (the personal thread is created on |
| 1819 | // demand, which is already the bare verb's behaviour when nothing nearer |
| 1820 | // exists); a bare "@me" just gets the command's own usage reply. |
| 1821 | const meFlag = !cmd.local && !here && !everyone && parseMeFlag(args); |
| 1822 | if (meFlag) { |
| 1823 | args = meFlag.rest; |
| 1824 | if (!app.places.includes("you")) { |
| 1825 | reply({ sender, text: app.placeNote || `${app.title || app.name} doesn't keep a just-for-you copy.` }); |
| 1826 | return; |
| 1827 | } |
| 1828 | target = resolveAppThread ? await resolveAppThread(app.name) : null; |
| 1829 | if (!target) return; |
| 1830 | } else if (here) { |
| 1831 | args = here.rest; |
| 1832 | if (!app.places.includes("chat")) { |
| 1833 | reply({ sender, text: `${app.title || app.name} can't be shared to a chat.` }); |
| 1834 | return; |
| 1835 | } |
| 1836 | if (!(threadIsGroupFn && threadIsGroupFn(activeThreadId))) { |
| 1837 | reply({ sender, text: `${HERE_FLAG} shares an app with a group — it only works in a group chat.` }); |
| 1838 | return; |
| 1839 | } |
| 1840 | if (!(await installGroupApp(activeThreadId, app))) { |
| 1841 | reply({ sender, text: `Couldn't add ${app.title || app.name} — check your connection and try again.` }); |
| 1842 | return; |
| 1843 | } |
| 1844 | if (!args) return; // just the install — the "added … to this chat" action line is the record |
| 1845 | // target stays THIS chat: the event goes to the shared instance. |
| 1846 | } else if (everyone) { |
| 1847 | args = everyone.rest; |
| 1848 | if (!app.places.includes("space")) { |
| 1849 | reply({ sender, text: `${app.title || app.name} can't be installed for the whole space.` }); |
| 1850 | return; |
| 1851 | } |
| 1852 | if (!spaceInstallPolicy().canInstall) { |
| 1853 | reply({ sender, text: `Only admins can add apps for everyone in this space.` }); |
| 1854 | return; |
| 1855 | } |
| 1856 | if (!(await installSpaceApp(app))) { |
| 1857 | reply({ sender, text: `Couldn't install ${app.title || app.name} — check your connection and try again.` }); |
| 1858 | return; |
| 1859 | } |
| 1860 | if (!args) { |
| 1861 | reply({ |
| 1862 | sender, |
| 1863 | text: `${app.title || app.name} is added for everyone in this space — its commands now work in every chat.`, |
| 1864 | short: `added for everyone`, |
| 1865 | // Leaving the chat stays the user's tap (commands answer in place) |
| 1866 | // — but the new home is one chip away, like every "View <app>". |
| 1867 | ...(app.render |
| 1868 | ? { actions: [{ label: `View ${app.title || app.name}`, run: () => (instanceOpenFn ? instanceOpenFn(app.name, spaceThreadId()) : undefined) }] } |
| 1869 | : {}), |
| 1870 | }); |
| 1871 | return; |
| 1872 | } |
| 1873 | target = spaceThreadId(); // the trailing text acts on the space instance |
| 1874 | } else { |
| 1875 | // A LOCAL command only exists in the thread it was typed in — it targets |
| 1876 | // that thread directly, no routing. A global personal command routes to |
| 1877 | // its own app-thread from anywhere — UNLESS a nearer shared instance |
| 1878 | // claims the verb: the app's OWN thread wins outright (the same verb |
| 1879 | // always addresses the instance you're looking at), then an app ADDED |
| 1880 | // to the chat you're typing in (groupAppsFor), so "/todo" there files |
| 1881 | // into the GROUP list, exactly like "@To-do"; failing those, an app |
| 1882 | // INSTALLED FOR THE SPACE (spaceAppsFor) wins from every chat — one |
| 1883 | // shared instance, which is what "installed for everyone" means. Your |
| 1884 | // personal list stays reachable from its own thread. |
| 1885 | target = await instanceThread(app, activeThreadId, { local: cmd.local }); |
| 1886 | // A CHAT-PLACE-ONLY app (no personal copy — poll, whiteboard) acts in |
| 1887 | // the chat it was typed in, so using it IS adopting it: auto-add the |
| 1888 | // app to this group's registry when missing — the same groupapps.add |
| 1889 | // the sheet emits, so everyone gets the action line and the widget |
| 1890 | // bar. Groups only: registry adds are a group act (the sheet's rule), |
| 1891 | // and elsewhere the command still answers in place. |
| 1892 | if ( |
| 1893 | !cmd.local && |
| 1894 | !app.places.includes("you") && |
| 1895 | app.places.includes("chat") && |
| 1896 | target === activeThreadId && |
| 1897 | threadIsGroupFn && |
| 1898 | threadIsGroupFn(activeThreadId) && |
| 1899 | !groupAppsFor(activeThreadId).some((a) => a.name === app.name) |
| 1900 | ) { |
| 1901 | await installGroupApp(activeThreadId, app); |
| 1902 | } |
| 1903 | } |
| 1904 | if (!target) { |
| 1905 | // No copy of this app is reachable, so there is nowhere for the command to |
| 1906 | // act: a personal app's thread couldn't be created, or — for an implicitly |
| 1907 | // space-placed app — the space thread isn't here (a native embed never |
| 1908 | // loads it; a member's instance key may still be syncing). This used to |
| 1909 | // return silently, which reads as a broken command; naming it is cheap and |
| 1910 | // true for every app. |
| 1911 | reply({ sender, text: `${cmd.name} isn't available here yet.` }); |
| 1912 | return; |
| 1913 | } |
| 1914 | const ctx = makeCtx(target, app); |
| 1915 | // ctx.reply is the private "only visible to you" reply, rendered where you |
| 1916 | // TYPED. When you're already IN the app's thread, CONFIRMATIONS are skipped |
| 1917 | // — the event itself lands as a visible action line, so echoing it would be |
| 1918 | // redundant — but a reply with no `short` is content or an error ("when |
| 1919 | // should I remind you?"), the command's only feedback, so it always shows. |
| 1920 | // "Has a short" == "is a transient confirmation" (see noticeCalmsDown). |
| 1921 | ctx.reply = (r) => { |
| 1922 | if (target === activeThreadId && r && r.short) return; |
| 1923 | // A ROUTED reply says where it acted (the typeahead's vocabulary — see |
| 1924 | // placePhrase): the reply renders where you typed, but the data landed |
| 1925 | // in another place, and naming it is the whole disclosure. Stamped by |
| 1926 | // the framework so it never depends on the app's own wording — member- |
| 1927 | // built apps get it for free. (The app may still override `place`.) |
| 1928 | reply({ sender, ...(target !== activeThreadId ? { place: ctx.place } : {}), ...r }); |
| 1929 | }; |
| 1930 | // ctx.panel opens a transient results surface where you TYPED (like |
| 1931 | // ctx.reply, it's bound to the active thread, not the routed target) — |
| 1932 | // see the command-panels section above. Returns false when this thread |
| 1933 | // can't draw one, so the command can answer with a reply instead. |
| 1934 | ctx.panel = (spec) => openCommandPanel(activeThreadId, panelSpecFor(app, ctx, sender, spec)); |
| 1935 | ctx.closePanel = () => closeCommandPanel(activeThreadId); |
| 1936 | await app.commands[cmd.name].run(args, ctx); |
| 1937 | })(); |
| 1938 | return true; |
| 1939 | } |
| 1940 | |
| 1941 | // The registered commands as { name, desc, args, bot } — feeds the "/" typeahead |
| 1942 | // and /help. Pass the thread being typed in as `threadId` and the list becomes |
| 1943 | // contextual: inside an app's own thread its LOCAL commands lead (they're the |
| 1944 | // verbs that act right here), and the app's global routing aliases (/todo in the |
| 1945 | // To-do thread) are dropped as redundant. Other apps' global commands stay — they |
| 1946 | // work from anywhere by design. The caller may hide `bot` ones in threads with no |
| 1947 | // bot (see shell.js typeaheadItems). |
| 1948 | export function commandCatalog(threadId) { |
| 1949 | const owner = threadId !== undefined ? threadOwnerApp(threadId) : null; |
| 1950 | const out = []; |
| 1951 | let ownerHasLocals = false; |
| 1952 | if (owner) { |
| 1953 | for (const [name, c] of Object.entries(owner.commands)) { |
| 1954 | if (!c.local) continue; |
| 1955 | ownerHasLocals = true; |
| 1956 | out.push({ name, desc: c.desc, args: c.args, bot: false }); |
| 1957 | } |
| 1958 | // No locals → the app's global verbs ARE its in-thread verbs (Reminders' |
| 1959 | // /remind), so they lead here instead of dropping out. |
| 1960 | if (!ownerHasLocals) { |
| 1961 | for (const [name, c] of Object.entries(owner.commands)) { |
| 1962 | out.push({ name, desc: c.desc, args: c.args, bot: false }); |
| 1963 | } |
| 1964 | } |
| 1965 | } |
| 1966 | for (const [name, app] of commandOwner.entries()) { |
| 1967 | // In its own thread the app already led with its verbs above: locals |
| 1968 | // supersede its global aliases (/todo duplicates /add), and lead-listed |
| 1969 | // globals must not repeat. |
| 1970 | if (owner && app === owner) continue; |
| 1971 | let desc = (app.commands[name] && app.commands[name].desc) || ""; |
| 1972 | // Say WHERE the command's data will land — EVERY app command names its |
| 1973 | // place, mirroring runCommand's routing exactly (the "places" grammar, |
| 1974 | // docs/space-apps.md): this chat's shared copy, the space-wide copy, or |
| 1975 | // just for you, worded to read on from the desc as one sentence |
| 1976 | // (placeRowPhrase). Utility commands that keep no state anywhere (no |
| 1977 | // personal instance, not shared here or space-wide) stay unlabelled: |
| 1978 | // they act in place, so there is no place to name. |
| 1979 | const baseDesc = desc; |
| 1980 | let place = ""; |
| 1981 | const addedHere = threadId !== undefined && groupAppsFor(threadId).some((a) => a.name === app.name); |
| 1982 | const inSpace = app.places.includes("space") && spaceAppsFor().some((a) => a.name === app.name); |
| 1983 | const inGroup = threadId !== undefined && threadIsGroupFn && threadIsGroupFn(threadId); |
| 1984 | if (addedHere) place = "chat"; |
| 1985 | else if (inSpace) place = "space"; |
| 1986 | else if (app.places.includes("you")) place = "you"; |
| 1987 | if (desc && place) desc += " " + placeRowPhrase(place); |
| 1988 | const cmdArgs = (app.commands[name] && app.commands[name].args) || ""; |
| 1989 | out.push({ |
| 1990 | name, |
| 1991 | desc, |
| 1992 | args: cmdArgs, |
| 1993 | bot: false, |
| 1994 | // Where the command's data lands ("chat" | "space" | "you" | "") — the |
| 1995 | // typeahead ranks nearer places first (the places grammar). |
| 1996 | place, |
| 1997 | }); |
| 1998 | // Offer the same verb with a place flag as extra rows — the typeahead is |
| 1999 | // where the flags are taught: nobody reads docs, everybody reads the menu. |
| 2000 | // Two flavours, told apart by their phrase: a copy that already exists |
| 2001 | // gets an ADDRESSING row (placeRowPhrase — where the text will land); a |
| 2002 | // place the flag would INSTALL INTO says so (installRowPhrase — "to a new |
| 2003 | // To-do app for this group"), so an install side effect is never hidden |
| 2004 | // behind the routing wording. Alt rows carry sortPlace = the bare verb's |
| 2005 | // place, so the typeahead's nearness sort keeps each alternate right |
| 2006 | // behind its default instead of ranking an install offer above it. |
| 2007 | const alt = (flag, phrase, altPlace) => |
| 2008 | out.push({ name: `${name} ${flag}`, desc: baseDesc ? baseDesc + " " + phrase : "", args: cmdArgs, bot: false, place: altPlace, sortPlace: place, alt: true }); |
| 2009 | if (place === "chat" || place === "space") { |
| 2010 | if (place === "chat" && inSpace) alt(EVERYONE_FLAG, placeRowPhrase("space"), "space"); |
| 2011 | if (app.places.includes("you")) alt(ME_FLAG, placeRowPhrase("you"), "you"); |
| 2012 | } else if (place === "you") { |
| 2013 | // The fresh case — nothing installed anywhere, the bare verb files |
| 2014 | // personally. The flags are how you PUT the app somewhere, so the rows |
| 2015 | // double as the install hint the old "— @here to share" suffix carried, |
| 2016 | // now covering the whole family and selectable like any other row. |
| 2017 | if (inGroup && app.places.includes("chat")) alt(HERE_FLAG, installRowPhrase(app.title || app.name, "chat"), "chat"); |
| 2018 | if (app.places.includes("space") && app.listed && spaceInstallPolicy().canInstall) alt(EVERYONE_FLAG, installRowPhrase(app.title || app.name, "space"), "space"); |
| 2019 | } |
| 2020 | } |
| 2021 | // Floor commands (e.g. /tutorial) are client-answered → shown in every thread. |
| 2022 | for (const [name, c] of floorCommands) out.push({ name, desc: c.desc, args: c.args, bot: false }); |
| 2023 | // /me is handled by the composer itself (see parseMeCommand) — listed here only |
| 2024 | // so the "/" typeahead and /help surface it, like the client-answered set. |
| 2025 | out.push({ name: "/me", desc: "post an action line, e.g. /me waves", args: "<action>", bot: false }); |
| 2026 | // bot:false for the ones the client answers itself (/help) → the typeahead lists |
| 2027 | // them in every thread, not only where a bot is present. |
| 2028 | for (const [name, desc] of Object.entries(BOT_COMMANDS)) out.push({ name, desc, args: "", bot: !CLIENT_ANSWERED.has(name) }); |
| 2029 | return out; |
| 2030 | } |
| 2031 | |
| 2032 | // The registered command names (e.g. ["/todo"]). |
| 2033 | export function commandNames() { |
| 2034 | return [...commandOwner.keys()]; |
| 2035 | } |
| 2036 | |
| 2037 | // commandTakenBy: who owns a slash command right now — a registered app's |
| 2038 | // name, "host" for the floor/bot/composer set (/help, /me, /theme, …), or "" |
| 2039 | // when the name is free. The member-app gates (sandbox.js) refuse taken |
| 2040 | // names, mirroring the event-type collision check: without this a member |
| 2041 | // app could register /todo AFTER the built-in (member apps load later) and |
| 2042 | // silently shadow it in commandOwner — routing every member's typed |
| 2043 | // arguments into a log the hijacker can read. |
| 2044 | export function commandTakenBy(name) { |
| 2045 | const owner = commandOwner.get(name); |
| 2046 | if (owner) return owner.name || "an app"; |
| 2047 | if (BOT_COMMANDS[name] || floorCommands.has(name) || name === "/me" || name === "/help") return "host"; |
| 2048 | return ""; |
| 2049 | } |
| 2050 | |
| 2051 | // placePhrase: the STAND-ALONE vocabulary for naming a place — the routed |
| 2052 | // reply's place footer and any surface that shows a place by itself (the |
| 2053 | // places grammar, docs/space-apps.md). The "/" typeahead rows word places |
| 2054 | // with the FLOWING forms below instead, because these don't concatenate |
| 2055 | // after a command's desc. Pure, exported for tests. |
| 2056 | export function placePhrase(place) { |
| 2057 | if (place === "you") return "just for you"; |
| 2058 | if (place === "chat") return "shared in this chat"; |
| 2059 | if (place === "space") return "for everyone in this space"; |
| 2060 | return ""; |
| 2061 | } |
| 2062 | |
| 2063 | // placeRowPhrase: how a "/" typeahead row words a place — flowing on from the |
| 2064 | // command's own desc, so the whole row reads as one sentence: "Add a to-do |
| 2065 | // just for you", "Add a to-do for this group". (placePhrase's stand-alone |
| 2066 | // "shared in this chat" would misread here — it sounds like the TO-DO is |
| 2067 | // shared.) Pure, exported for tests. |
| 2068 | export function placeRowPhrase(place) { |
| 2069 | if (place === "you") return "just for you"; |
| 2070 | if (place === "chat") return "for this group"; |
| 2071 | if (place === "space") return "for this space"; |
| 2072 | return ""; |
| 2073 | } |
| 2074 | |
| 2075 | // installRowPhrase: the fresh-case sibling — the row's flag would CREATE the |
| 2076 | // app's shared copy and file the command's action into it, and the row says |
| 2077 | // exactly that ("Add a to-do to a new To-do app for this group"), so picking |
| 2078 | // an install is never mistaken for mere routing. Pure, exported for tests. |
| 2079 | export function installRowPhrase(title, place) { |
| 2080 | if (place !== "chat" && place !== "space") return ""; |
| 2081 | return `to a new ${title} app ${placeRowPhrase(place)}`; |
| 2082 | } |
| 2083 | |
| 2084 | // spaceRowTitle: what the sidebar calls a space copy — "<Space name> To-do" — |
| 2085 | // so it never reads as a twin of the personal "To-do" beside it (two |
| 2086 | // same-named rows confused even with the badge). The space name only brands |
| 2087 | // the row when it's real and short enough to leave the app title visible; |
| 2088 | // unset (callers pass "" for the compiled-in default) or long names fall back |
| 2089 | // to the plain word: "Space To-do". Pure, exported for tests. |
| 2090 | export function spaceRowTitle(appTitle, spaceName) { |
| 2091 | const n = (spaceName || "").trim(); |
| 2092 | return `${n && n.length <= 20 ? n : "Space"} ${appTitle}`; |
| 2093 | } |
| 2094 | |
| 2095 | // A CONFIRMATION reply is loud for a while, then calms down: after this long, the |
| 2096 | // full card collapses to a one-line record. Exported + with pure sibling helpers |
| 2097 | // so the decision is testable without a DOM. |
| 2098 | export const NOTICE_COMPACT_AFTER_MS = 30000; |
| 2099 | |
| 2100 | // Only a confirmation calms down — a genuine content reply (like /help) is a real |
| 2101 | // chat message and stays put. The signal is already in the reply: a confirmation |
| 2102 | // gives a terse `short` (what it shrinks to, e.g. `added "milk"`); /help gives |
| 2103 | // none. So "has a short" == "is a transient confirmation that counts down." |
| 2104 | export function noticeCalmsDown(spec = {}) { |
| 2105 | return !!(spec && spec.short && String(spec.short).trim()); |
| 2106 | } |
| 2107 | |
| 2108 | // The two pieces the calmed-down one-liner shows: who answered, and a terse "what |
| 2109 | // happened" — the reply's own `short` if it gave one (e.g. `added "milk"`), else |
| 2110 | // its full text. Pure so it's unit-tested directly. |
| 2111 | export function noticeParts({ sender, text, short } = {}) { |
| 2112 | return { from: (sender && sender.name) || "", what: (short || text || "").trim() }; |
| 2113 | } |
| 2114 | |
| 2115 | // Whether a notice created at `at` (epoch ms) should already render compact by |
| 2116 | // `now` — true once it's aged past the threshold. A reply reopened long after it |
| 2117 | // landed (its node rebuilt on thread reopen) thus starts compact, no timer. |
| 2118 | export function noticeIsCompact(at, now) { |
| 2119 | return !!at && now - at >= NOTICE_COMPACT_AFTER_MS; |
| 2120 | } |
| 2121 | |
| 2122 | function runNoticeAction(a) { |
| 2123 | try { |
| 2124 | a && a.run && a.run(); |
| 2125 | } catch (e) { |
| 2126 | console.error(e); |
| 2127 | } |
| 2128 | } |
| 2129 | |
| 2130 | // Whether animations are allowed (honours the OS "reduce motion" setting). |
| 2131 | // Exported for surface hosts (the chat app's command panel eases open/shut). |
| 2132 | export function motionOK() { |
| 2133 | try { |
| 2134 | return !(typeof matchMedia !== "undefined" && matchMedia("(prefers-reduced-motion: reduce)").matches); |
| 2135 | } catch { |
| 2136 | return true; |
| 2137 | } |
| 2138 | } |
| 2139 | |
| 2140 | // The loud card, styled like a chat reply: the sender (+ AI/BOT badge) and the |
| 2141 | // "Only visible to you" tag sit OUTSIDE the bubble (above it, like a message's |
| 2142 | // name row), the reply text is a chat-style bubble, and any trusted action chips |
| 2143 | // ({ label, run } — minted locally, so they bypass the untrusted-payload |
| 2144 | // whitelist) sit below. |
| 2145 | // |
| 2146 | // Notice bodies render the same allowlisted CommonMark subset as chat messages |
| 2147 | // (markdown.js, #531), so a command example in `backticks` shows as monospace |
| 2148 | // code (and **bold**, links, lists etc. work too). renderTree builds DOM from |
| 2149 | // text nodes + wrapper elements — never innerHTML, so untrusted text (a to-do |
| 2150 | // name in a confirmation) stays inert. No mention hook here: notices are |
| 2151 | // machine-authored, not member prose. |
| 2152 | function renderNoticeBody(text, el) { |
| 2153 | renderTree(el, parseMessage(text)); |
| 2154 | } |
| 2155 | |
| 2156 | function fillFullNotice(row, spec = {}, opts = {}) { |
| 2157 | const { sender, text, actions } = spec; |
| 2158 | // A continuation row in a same-speaker run drops the name/badge (they live on |
| 2159 | // the run's first bubble, like regular message runs) — but NEVER the privacy |
| 2160 | // tag: outside a solo thread, every full private notice stays labelled, or a |
| 2161 | // continuation would read as a public message. |
| 2162 | const head = document.createElement("div"); |
| 2163 | head.className = "local-notice-head"; |
| 2164 | if (!opts.cont && sender && sender.name) { |
| 2165 | if (sender.logo || sender.glyph) { |
| 2166 | const g = document.createElement("span"); |
| 2167 | g.className = "local-notice-glyph"; |
| 2168 | appGlyphInto(g, sender); |
| 2169 | head.appendChild(g); |
| 2170 | } |
| 2171 | const nm = document.createElement("span"); |
| 2172 | nm.className = "local-notice-from"; |
| 2173 | nm.textContent = sender.name; |
| 2174 | head.appendChild(nm); |
| 2175 | if (sender.kind === "ai" || sender.kind === "bot") { |
| 2176 | const badge = document.createElement("span"); |
| 2177 | badge.className = "local-notice-badge"; |
| 2178 | badge.textContent = sender.kind === "ai" ? "AI" : "BOT"; |
| 2179 | head.appendChild(badge); |
| 2180 | } |
| 2181 | } |
| 2182 | // In a solo thread privacy is implicit — everything here is only yours. |
| 2183 | if (!opts.solo) { |
| 2184 | const tag = document.createElement("span"); |
| 2185 | tag.className = "local-notice-tag"; |
| 2186 | tag.textContent = "Only visible to you"; |
| 2187 | head.appendChild(tag); |
| 2188 | } |
| 2189 | if (head.childElementCount) row.appendChild(head); |
| 2190 | |
| 2191 | // A chips-only notice (a persisted bubble's live actions) has no bubble of |
| 2192 | // its own — the text it belongs to is already in the feed as real history. |
| 2193 | if (text || spec.img || spec.quote) { |
| 2194 | const bubble = document.createElement("div"); |
| 2195 | bubble.className = "local-notice-bubble"; |
| 2196 | const body = document.createElement("div"); |
| 2197 | body.className = "local-notice-body"; |
| 2198 | renderNoticeBody(text || "", body); |
| 2199 | bubble.appendChild(body); |
| 2200 | // Quoted machine output (a provider's error line): set off visually as a |
| 2201 | // quotation under the prose — never dumped into the body where it reads as |
| 2202 | // the notice's own words. Plain textContent: it's evidence, not content. |
| 2203 | if (spec.quote) { |
| 2204 | const q = document.createElement("div"); |
| 2205 | q.className = "local-notice-quote"; |
| 2206 | q.textContent = String(spec.quote).slice(0, 600); |
| 2207 | bubble.appendChild(q); |
| 2208 | } |
| 2209 | // The place footer: a routed command's reply names where the data landed |
| 2210 | // (stamped by runCommand — see ctx.reply there). The reply renders where |
| 2211 | // you TYPED; this line says the action happened somewhere else. |
| 2212 | if (spec.place && placePhrase(spec.place)) { |
| 2213 | const pl = document.createElement("div"); |
| 2214 | pl.className = "local-notice-place"; |
| 2215 | pl.textContent = placePhrase(spec.place); |
| 2216 | bubble.appendChild(pl); |
| 2217 | } |
| 2218 | // An optional preview image (spec.img). Only ever an IN-CODE same-origin URL |
| 2219 | // (e.g. the setup conversation previewing /api/server-avatar) — never user text. |
| 2220 | if (spec.img) { |
| 2221 | const img = document.createElement("img"); |
| 2222 | img.className = "local-notice-img" + (spec.imgRound ? " local-notice-img--round" : ""); |
| 2223 | img.src = spec.img; |
| 2224 | img.alt = spec.imgAlt || ""; |
| 2225 | // The image arrives after the notice was pinned and grows the feed — |
| 2226 | // re-pin, or everything after it (the next typing row!) hides below the fold. |
| 2227 | img.onload = () => { |
| 2228 | const feed = img.closest(".chatapp-feed"); |
| 2229 | if (feed && feed.scrollHeight - feed.scrollTop - feed.clientHeight < 260) feed.scrollTop = feed.scrollHeight; |
| 2230 | }; |
| 2231 | bubble.appendChild(img); |
| 2232 | } |
| 2233 | row.appendChild(bubble); |
| 2234 | } |
| 2235 | |
| 2236 | if (Array.isArray(actions) && actions.length) { |
| 2237 | if (!text && !spec.img) row.classList.add("local-notice--chips"); // hugs the bubble it belongs to |
| 2238 | const chipRow = document.createElement("div"); |
| 2239 | chipRow.className = "chip-row"; |
| 2240 | const paint = (btn, act) => { |
| 2241 | // A chip whose moment has passed (its step was answered or skipped — |
| 2242 | // a.stale() is the script's step guard) renders spent: disabled, and the |
| 2243 | // one that was actually tapped shows its past-tense label ("Skipped"). |
| 2244 | const stale = !!(act.stale && act.stale()); |
| 2245 | btn.className = |
| 2246 | "action-chip" + |
| 2247 | (stale ? " action-chip--spent" : "") + |
| 2248 | // The FIRST trailing chip carries the auto margin that pushes the |
| 2249 | // trailing run to the row's end; the rest just follow it. |
| 2250 | (act.trailingFirst ? " action-chip--trailing" : ""); |
| 2251 | btn.textContent = stale && act.tapped ? act.done || act.label : act.label; |
| 2252 | btn.disabled = stale; |
| 2253 | }; |
| 2254 | const buttons = []; |
| 2255 | let trailingSeen = false; |
| 2256 | for (const a of actions) { |
| 2257 | if (!a || !a.label) continue; |
| 2258 | if (a.trailing && !trailingSeen) { |
| 2259 | trailingSeen = true; |
| 2260 | a.trailingFirst = true; |
| 2261 | } |
| 2262 | const b = document.createElement("button"); |
| 2263 | b.type = "button"; |
| 2264 | paint(b, a); |
| 2265 | b.onclick = () => { |
| 2266 | if (a.stale && a.stale()) return; // raced a resolution — don't claim the tap did anything |
| 2267 | a.tapped = true; |
| 2268 | runNoticeAction(a); |
| 2269 | // An advancing tap resolves the step SYNCHRONOUSLY (go.taken flips in |
| 2270 | // run) — reflect it now, not at the next feed render. |
| 2271 | for (const [btn, act] of buttons) paint(btn, act); |
| 2272 | }; |
| 2273 | buttons.push([b, a]); |
| 2274 | chipRow.appendChild(b); |
| 2275 | } |
| 2276 | row.appendChild(chipRow); |
| 2277 | } |
| 2278 | } |
| 2279 | |
| 2280 | // The calmed-down one-liner: glyph · sender · what happened · action link(s). |
| 2281 | function fillCompactNotice(row, spec = {}) { |
| 2282 | row.classList.add("local-notice--compact"); |
| 2283 | const { sender, actions } = spec; |
| 2284 | const { from, what } = noticeParts(spec); |
| 2285 | if (sender && (sender.logo || sender.glyph)) { |
| 2286 | const g = document.createElement("span"); |
| 2287 | g.className = "local-notice-glyph"; |
| 2288 | appGlyphInto(g, sender); |
| 2289 | row.appendChild(g); |
| 2290 | } |
| 2291 | if (from) { |
| 2292 | const nm = document.createElement("span"); |
| 2293 | nm.className = "lc-from"; |
| 2294 | nm.textContent = from; |
| 2295 | row.appendChild(nm); |
| 2296 | } |
| 2297 | if (what) { |
| 2298 | const summary = document.createElement("span"); |
| 2299 | summary.className = "lc-summary"; |
| 2300 | summary.textContent = what; |
| 2301 | row.appendChild(summary); |
| 2302 | } |
| 2303 | // The calmed one-liner keeps the place too — it's the durable record of the |
| 2304 | // interaction, and where it acted is part of what happened. |
| 2305 | if (spec.place && placePhrase(spec.place)) { |
| 2306 | const pl = document.createElement("span"); |
| 2307 | pl.className = "lc-place"; |
| 2308 | pl.textContent = placePhrase(spec.place); |
| 2309 | row.appendChild(pl); |
| 2310 | } |
| 2311 | if (Array.isArray(actions)) { |
| 2312 | for (const a of actions) { |
| 2313 | if (!a || !a.label) continue; |
| 2314 | if (a.stale && a.stale()) continue; // spent chips add nothing to a compact one-liner |
| 2315 | const b = document.createElement("button"); |
| 2316 | b.type = "button"; |
| 2317 | b.className = "lc-action"; |
| 2318 | b.textContent = a.label; |
| 2319 | b.onclick = () => runNoticeAction(a); |
| 2320 | row.appendChild(b); |
| 2321 | } |
| 2322 | } |
| 2323 | } |
| 2324 | |
| 2325 | // Collapse the loud card down to the compact one-liner with a "blind up": swap in |
| 2326 | // the compact content, then animate the row's HEIGHT from its full height down to |
| 2327 | // the compact height so the feed below slides up smoothly instead of jerking. |
| 2328 | // Reduced-motion (or a detached node — navigated away, the rebuilt node starts |
| 2329 | // compact) just swaps instantly. |
| 2330 | function collapseNotice(row, spec) { |
| 2331 | if (!row.isConnected) return; |
| 2332 | row.setAttribute("aria-live", "off"); // don't re-announce the collapsed copy |
| 2333 | const swap = () => { |
| 2334 | row.replaceChildren(); |
| 2335 | fillCompactNotice(row, spec); |
| 2336 | }; |
| 2337 | if (!motionOK()) { |
| 2338 | swap(); |
| 2339 | return; |
| 2340 | } |
| 2341 | const startH = row.offsetHeight; // full height, before the swap |
| 2342 | swap(); |
| 2343 | const endH = row.offsetHeight; // compact height, after the swap |
| 2344 | if (endH >= startH) return; // nothing to roll up |
| 2345 | row.style.overflow = "hidden"; |
| 2346 | row.style.height = startH + "px"; |
| 2347 | void row.offsetHeight; // force a reflow so the start height sticks |
| 2348 | row.style.transition = "height 0.28s ease"; |
| 2349 | row.style.height = endH + "px"; |
| 2350 | const cleanup = () => { |
| 2351 | row.style.removeProperty("height"); |
| 2352 | row.style.removeProperty("overflow"); |
| 2353 | row.style.removeProperty("transition"); |
| 2354 | }; |
| 2355 | // transitionend normally clears the inline styles; a timeout is the backstop |
| 2356 | // if it doesn't fire (e.g. the tab was hidden for the whole animation). |
| 2357 | row.addEventListener("transitionend", cleanup, { once: true }); |
| 2358 | setTimeout(cleanup, 400); |
| 2359 | } |
| 2360 | |
| 2361 | // buildLocalNotice renders a command's private "only visible to you" reply as a |
| 2362 | // CLIENT-ONLY feed row — never sent to the server or other members, gone on |
| 2363 | // reload (like Slack's ephemeral replies). It PERSISTS: no auto-dismiss, so it |
| 2364 | // stacks in the feed like a chat bubble and multiple replies pile up in order. |
| 2365 | // It's loud at first, then calms: a fresh reply shows the full card and, after |
| 2366 | // NOTICE_COMPACT_AFTER_MS, blind-collapses to a compact one-line record; a reply |
| 2367 | // already older than that (rebuilt when you reopen the thread) starts compact. |
| 2368 | // The chat app appends the returned node into its feed (chat.js keys it as a row). |
| 2369 | export function buildLocalNotice(spec = {}, opts = {}) { |
| 2370 | const row = document.createElement("div"); |
| 2371 | row.className = "local-notice"; |
| 2372 | // Notices behave like regular participants: a run of them from the same |
| 2373 | // speaker keeps one header (opts.cont drops it), and in a solo thread the |
| 2374 | // "Only visible to you" tag is implicit (opts.solo drops it). |
| 2375 | if (opts.cont) row.classList.add("local-notice--cont"); |
| 2376 | row.setAttribute("role", "status"); // announced to screen readers on insert |
| 2377 | row.setAttribute("aria-live", "polite"); |
| 2378 | const at = spec.at || 0; |
| 2379 | const now = Date.now(); |
| 2380 | // A fresh notice eases up into the feed like a live message; rebuilds of |
| 2381 | // older ones (thread reopened, feed refresh) don't re-animate. |
| 2382 | if (at && now - at < 3000) row.classList.add("appear"); |
| 2383 | // Only confirmations calm down; a content reply (/help) renders full and stays. |
| 2384 | const calms = noticeCalmsDown(spec); |
| 2385 | if (calms && noticeIsCompact(at, now)) { |
| 2386 | fillCompactNotice(row, spec); |
| 2387 | } else { |
| 2388 | fillFullNotice(row, spec, opts); |
| 2389 | // A confirmation still inside its loud window schedules its collapse for the |
| 2390 | // time remaining before it's due to calm down. |
| 2391 | const remaining = calms && at ? Math.max(0, NOTICE_COMPACT_AFTER_MS - (now - at)) : 0; |
| 2392 | if (remaining > 0 && typeof setTimeout !== "undefined") { |
| 2393 | setTimeout(() => collapseNotice(row, spec), remaining); |
| 2394 | } |
| 2395 | } |
| 2396 | return row; |
| 2397 | } |
| 2398 | |
| 2399 | // ---- message actions ---------------------------------------------------- |
| 2400 | |
| 2401 | // An app can contribute an action to the chat message menu (long-press on touch, |
| 2402 | // hover/press-hold on desktop) via a `messageAction(msg)` hook. Given a decrypted |
| 2403 | // message ({ text, from }), it returns { label, glyph, run(ctx) } to offer the |
| 2404 | // action, or null to sit this message out. Like a slash command, the action is |
| 2405 | // routed into the app's own personal app-thread — created on first use — so, e.g., |
| 2406 | // saving a link someone posted files it into YOUR bookmarks, encrypted, without |
| 2407 | // the server ever learning what (or that anything) was saved. |
| 2408 | // |
| 2409 | // messageActionsFor returns the applicable actions across all apps, each already |
| 2410 | // bound to resolve + emit into the right app-thread and toast on success. shell.js |
| 2411 | // appends these to both message menus. |
| 2412 | export function messageActionsFor(msg) { |
| 2413 | const out = []; |
| 2414 | for (const app of apps) { |
| 2415 | if (!app.messageAction) continue; |
| 2416 | let spec = null; |
| 2417 | try { |
| 2418 | spec = app.messageAction(msg); |
| 2419 | } catch {} |
| 2420 | if (!spec || !spec.run) continue; |
| 2421 | out.push({ |
| 2422 | label: spec.label, |
| 2423 | glyph: spec.glyph, |
| 2424 | run: async () => { |
| 2425 | // Always the PERSONAL instance — even when the app is added to this |
| 2426 | // group or installed for the space. Saving somebody's message |
| 2427 | // privately is the point of the gesture (see bookmarks.js); the |
| 2428 | // shared instances are reached by command/mention, always explicit. |
| 2429 | const target = resolveAppThread ? await resolveAppThread(app.name) : null; |
| 2430 | if (!target) return; |
| 2431 | await spec.run(makeCtx(target, app)); |
| 2432 | if (toastFn) toastFn(`Added to ${app.title || app.name}`); |
| 2433 | }, |
| 2434 | }); |
| 2435 | } |
| 2436 | return out; |
| 2437 | } |
| 2438 | |
| 2439 | // ---- sidebar presence: previews + unread dots ----------------------------- |
| 2440 | |
| 2441 | // An app decides how its events appear in the chat list: `preview(event)` |
| 2442 | // returns the sidebar preview line (or null to leave the existing preview), |
| 2443 | // and `unread(event)` says whether a live event should light the thread's |
| 2444 | // unread dot. Defaults preserve the old behaviour — app events are silent in |
| 2445 | // the sidebar — so an app opts IN to presence (e.g. poll shows "📊 <question>" |
| 2446 | // and marks unread when someone starts a poll). This removes the host's |
| 2447 | // hardcoded "app events never preview/unread" special case: the app decides. |
| 2448 | export function appPreview(event, opts) { |
| 2449 | const app = typeOwner.get(event && event.type); |
| 2450 | if (!app) return null; |
| 2451 | const you = !!(opts && opts.you); |
| 2452 | if (app.preview) { |
| 2453 | try { |
| 2454 | return app.preview(event, { you }) || null; |
| 2455 | } catch { |
| 2456 | return null; |
| 2457 | } |
| 2458 | } |
| 2459 | // The voice defaulting chain (docs/native-apps.md): no preview hook → the |
| 2460 | // chat projection speaks for the sidebar too, actor-prefixed the way the |
| 2461 | // feed prefixes action lines. Silent projections stay silent. |
| 2462 | try { |
| 2463 | let line = null; |
| 2464 | if (typeof app.groupFeedMessage === "function") line = app.groupFeedMessage(event); |
| 2465 | else if (typeof app.chatMessage === "function") line = app.chatMessage(event, { group: true }); |
| 2466 | if (!line) return null; |
| 2467 | if (typeof line === "string") return line; |
| 2468 | if (typeof line.text !== "string" || !line.text) return null; |
| 2469 | if (!line.action) return line.text; |
| 2470 | return `${you ? "You" : event.name || "Someone"} ${line.text}`; |
| 2471 | } catch { |
| 2472 | return null; |
| 2473 | } |
| 2474 | } |
| 2475 | |
| 2476 | export function appUnread(event) { |
| 2477 | const app = typeOwner.get(event && event.type); |
| 2478 | if (!app || !app.unread) return false; |
| 2479 | try { |
| 2480 | return !!app.unread(event); |
| 2481 | } catch { |
| 2482 | return false; |
| 2483 | } |
| 2484 | } |
| 2485 | |
| 2486 | // ---- spontaneous app → user communication -------------------------------- |
| 2487 | |
| 2488 | // notifyLive gives an app a voice when one of its events arrives LIVE (over the |
| 2489 | // WebSocket — including a scheduled event the server just delivered), no matter |
| 2490 | // which thread the user is looking at. Two ways to speak: |
| 2491 | // - the event carries a `notice: { title, body }` (encrypted like the rest of |
| 2492 | // the payload) — the ONE field that alerts everywhere: the service worker |
| 2493 | // shows it when the app is closed, this shows it when the app is open; |
| 2494 | // - or the app defines a `notify(event, ctx)` hook returning { title, body } |
| 2495 | // (or null for silence) — for wording that depends on current state. |
| 2496 | // An app event that arrives while the page is HIDDEN raises a system |
| 2497 | // notification (permission permitting) — the background equivalent of the push |
| 2498 | // a closed app gets. There is deliberately no in-app floating toast: a live app |
| 2499 | // event announces itself where it belongs — the event lands in its thread, which |
| 2500 | // floats to the top of the chat list (sorted by recency) with an unread dot and |
| 2501 | // preview. A pop-up that overlays whatever you're reading is exactly the thing |
| 2502 | // CLAUDE.md bans. Never called during history refolds: replaying the past must not re-alert. |
| 2503 | export function notifyLive(threadId, event) { |
| 2504 | const app = typeOwner.get(event && event.type); |
| 2505 | if (!app) return; |
| 2506 | let spec = null; |
| 2507 | if (app.notify) { |
| 2508 | try { |
| 2509 | spec = app.notify(event, makeCtx(threadId, app)); |
| 2510 | } catch {} |
| 2511 | } else if (event.notice && event.notice.title) { |
| 2512 | spec = event.notice; |
| 2513 | } |
| 2514 | if (!spec || !spec.title) return; |
| 2515 | try { |
| 2516 | if ( |
| 2517 | typeof Notification !== "undefined" && |
| 2518 | Notification.permission === "granted" && |
| 2519 | typeof document !== "undefined" && |
| 2520 | document.visibilityState !== "visible" |
| 2521 | ) { |
| 2522 | new Notification(spec.title, { body: spec.body || "", tag: "lchat-app-" + app.name }); |
| 2523 | } |
| 2524 | } catch {} |
| 2525 | } |
| 2526 | |
| 2527 | // ---- surfaces ----------------------------------------------------------- |
| 2528 | |
| 2529 | // renderInline asks the owning app for a stream line (a DOM node) representing an |
| 2530 | // event, or null if the event should be silent in the feed. Used by appendMessage |
| 2531 | // to give app events an optional presence in the message stream. |
| 2532 | export function renderInline(app, event, meta) { |
| 2533 | if (!app || !app.renderEvent) return null; |
| 2534 | return app.renderEvent(event, meta || {}); |
| 2535 | } |
| 2536 | |
| 2537 | // The legacy ambient-panel renderer (scope:"shared") is RETIRED — #405 closed: |
| 2538 | // Poll and Whiteboard are chat-place apps in the widget bar now, and no app |
| 2539 | // renders into a panel above the feed. A legacy custom app still declaring |
| 2540 | // scope:"shared" degrades to command-only (its commands run; nothing mounts). |
| 2541 | |
| 2542 | // renderApp draws a single (personal) app full-pane into `el` — the whole thread |
| 2543 | // view when you open the app from the sidebar. State is the folded event log. |
| 2544 | export function renderApp(threadId, appName, el) { |
| 2545 | const app = appByName(appName); |
| 2546 | if (!app || !app.render || !el) return; |
| 2547 | runCleanups(threadId, app.name); |
| 2548 | // A member-app mount tags the pane .sandbox-pane (sandbox.js), which now |
| 2549 | // strips the pane's padding; the tag must not survive onto a built-in app |
| 2550 | // reusing the same pane. The sandbox render re-adds it every time. |
| 2551 | if (!app.memberApp) el.classList.remove("sandbox-pane"); |
| 2552 | if (!app.incremental) el.textContent = ""; |
| 2553 | // A mini-app's render must NEVER take down the host. This surface can be the |
| 2554 | // whole thread, and it's reached on boot (reopening your last thread) — an |
| 2555 | // unguarded throw here white-screens the entire client ("Something went |
| 2556 | // wrong"). Contain it: log, and show a localized, non-fatal message in the |
| 2557 | // app's own pane so the rest of the app still loads. |
| 2558 | try { |
| 2559 | app.render(appStateFor(threadId, app.name), el, makeCtx(threadId, app)); |
| 2560 | } catch (e) { |
| 2561 | console.error(`app "${app.name}" render failed:`, e); |
| 2562 | el.textContent = ""; |
| 2563 | const p = document.createElement("p"); |
| 2564 | p.style.cssText = "padding:16px;color:var(--muted);font-size:13px;line-height:1.5"; |
| 2565 | p.textContent = `This view hit an error and couldn't load (${(e && e.message) || e}). Try reopening it.`; |
| 2566 | el.appendChild(p); |
| 2567 | } |
| 2568 | } |
| 2569 | |
amadan