commit 1eb5350d0959fa4c895beb2dfdd52c3b269f429b Author: ruinivist Date: Sun May 24 15:32:36 2026 +0000 init diff --git a/.dockerignore b/.dockerignore new file mode 100644 index 0000000..4f2f110 --- /dev/null +++ b/.dockerignore @@ -0,0 +1,5 @@ +node_modules +dist +data +.git +coverage diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..2192986 --- /dev/null +++ b/.gitignore @@ -0,0 +1,35 @@ +# dependencies (bun install) +node_modules + +# output +out +dist +*.tgz +data + +# code coverage +coverage +*.lcov + +# logs +logs +_.log +report.[0-9]_.[0-9]_.[0-9]_.[0-9]_.json + +# dotenv environment variable files +.env +.env.development.local +.env.test.local +.env.production.local +.env.local + +# caches +.eslintcache +.cache +*.tsbuildinfo + +# IntelliJ based IDEs +.idea + +# Finder (MacOS) folder config +.DS_Store diff --git a/Dockerfile b/Dockerfile new file mode 100644 index 0000000..5b85c7f --- /dev/null +++ b/Dockerfile @@ -0,0 +1,25 @@ +FROM oven/bun:1.3.11-alpine AS build +WORKDIR /app + +COPY package.json bun.lock tsconfig.json ./ +RUN bun install --frozen-lockfile + +COPY src ./src +COPY README.md ./ +RUN bun run build + +FROM oven/bun:1.3.11-alpine AS runner +WORKDIR /app/dist + +ENV NODE_ENV=production +ENV HOST=0.0.0.0 +ENV PORT=3000 +ENV DATABASE_PATH=/data/excalidraw.sqlite + +COPY --from=build /app/dist ./ + +RUN mkdir -p /data + +EXPOSE 3000 + +CMD ["bun", "./server.js"] diff --git a/PLAN.md b/PLAN.md new file mode 100644 index 0000000..4220717 --- /dev/null +++ b/PLAN.md @@ -0,0 +1,831 @@ +# Project: `excalidraw-box` + +## Goal + +Build a small self-hosted web app that provides: + +```text +- Excalidraw editor +- Server-side autosave to SQLite +- No collaboration +- No accounts inside the app +- Reverse-proxy auth handled by Caddy +- Manual export to PNG/SVG/.excalidraw +- Docker Compose deployment +``` + +The app should be intentionally small and auditable. + +--- + +# Non-goals + +Do **not** implement: + +```text +- real-time collaboration +- public sharing links +- user accounts +- teams/workspaces +- comments +- Firebase +- S3/MinIO in v1 +- complex permissions +``` + +Authentication is handled outside the app by Caddy `basic_auth` or later Authelia/AuthentiK. + +--- + +# Stack + +Use: + +```text +Next.js App Router +React +TypeScript +@excalidraw/excalidraw +better-sqlite3 +Docker Compose +Caddy reverse proxy +``` + +Rationale: + +- `@excalidraw/excalidraw` is the official embeddable package. ([npm][1]) +- Excalidraw exposes `onChange(elements, appState, files)` for persistence. ([Excalidraw Docs][2]) +- Excalidraw provides export utilities such as `exportToCanvas` for rendering scenes to images. ([Excalidraw Docs][3]) +- Next.js officially supports standalone Docker deployment. ([Next.js][4]) + +--- + +# Version 1 feature set + +## V1 must have + +```text +1. Single default drawing +2. Load drawing from SQLite on page load +3. Autosave drawing to SQLite after edits +4. Debounce saves by 1.5 seconds +5. Show save status: + - Saved + - Saving… + - Save failed +6. Export PNG from the current scene +7. Export .excalidraw JSON from the current scene +8. Persist SQLite database under /data +9. Dockerfile +10. docker-compose.yml +11. Caddyfile example +``` + +## V1 should avoid + +```text +- multiple drawings +- login UI +- sharing +- collaboration +- migrations framework +- Prisma, unless really needed +``` + +Use plain `better-sqlite3` to keep the code small. + +--- + +# Directory structure + +```text +excalidraw-autosave/ + app/ + api/ + drawing/ + route.ts + globals.css + layout.tsx + page.tsx + + components/ + ExcalidrawClient.tsx + + lib/ + db.ts + scene.ts + debounce.ts + + public/ + + Dockerfile + docker-compose.yml + Caddyfile.example + next.config.ts + package.json + tsconfig.json + .dockerignore + README.md +``` + +--- + +# Data model + +Use one SQLite table. + +```sql +CREATE TABLE IF NOT EXISTS drawings ( + id TEXT PRIMARY KEY, + data TEXT NOT NULL, + created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP, + updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP +); +``` + +For v1, always use: + +```text +id = "default" +``` + +Stored `data` should be the scene object: + +```json +{ + "type": "excalidraw-autosave-scene", + "version": 1, + "elements": [], + "appState": {}, + "files": {} +} +``` + +Do not store only rendered PNG. Store the editable scene JSON as the source of truth. + +--- + +# API design + +## `GET /api/drawing` + +Returns the saved drawing. + +If no drawing exists, return an empty scene: + +```json +{ + "type": "excalidraw-autosave-scene", + "version": 1, + "elements": [], + "appState": {}, + "files": {} +} +``` + +## `POST /api/drawing` + +Accepts: + +```json +{ + "elements": [], + "appState": {}, + "files": {} +} +``` + +Behavior: + +```text +- Validate body is an object. +- Validate elements is an array. +- Validate appState is an object. +- Validate files is an object. +- Strip volatile or UI-only appState fields if needed. +- Save JSON to SQLite. +- Upsert row id = "default". +- Return { "ok": true, "updatedAt": "..." }. +``` + +## Optional `GET /api/health` + +Returns: + +```json +{ + "ok": true +} +``` + +Useful for Docker health checks. + +--- + +# Scene handling + +Create `lib/scene.ts`. + +Responsibilities: + +```text +- define EmptyScene +- normalize incoming scene +- remove unwanted volatile appState fields +- cap payload size +``` + +Recommended payload size cap for v1: + +```text +25 MB +``` + +If the scene exceeds this, return HTTP `413 Payload Too Large`. + +Reason: Excalidraw embedded images are stored under `files`; they can make scene JSON large. + +--- + +# Frontend behavior + +## Page load + +```text +1. Render loading state. +2. Fetch /api/drawing. +3. Pass returned scene to Excalidraw as initialData. +4. Render editor full-screen. +``` + +The official integration docs show that the Excalidraw component should be used client-side in Next.js, with `"use client"` and the Excalidraw CSS import. ([Excalidraw Docs][5]) + +## Autosave + +Use Excalidraw’s `onChange`. + +Pseudo-flow: + +```tsx +onChange={(elements, appState, files) => { + setSaveStatus("dirty"); + debouncedSave({ elements, appState, files }); +}} +``` + +Debounced save: + +```text +- wait 1500 ms after last change +- POST to /api/drawing +- set status Saving… while request in flight +- set status Saved after success +- set status Save failed after failure +``` + +Important: Do not save on every pointer movement without debounce. + +## Save status UI + +A small fixed indicator: + +```text +top-right: + Saved + Saving… + Save failed +``` + +Optionally show last saved timestamp. + +--- + +# Export behavior + +## `.excalidraw` export + +Implement client-side export by taking the current scene and downloading JSON. + +Filename: + +```text +drawing-YYYY-MM-DD-HHMM.excalidraw +``` + +Content: + +```json +{ + "type": "excalidraw", + "version": 2, + "source": "https://excalidraw.com", + "elements": [], + "appState": {}, + "files": {} +} +``` + +This keeps compatibility with regular Excalidraw import/export. The Excalidraw repo describes the open `.excalidraw` JSON file format as a supported feature. ([GitHub][6]) + +## PNG export + +Use Excalidraw export utilities client-side. + +The docs show `exportToCanvas` exported from `@excalidraw/excalidraw`; it takes `elements`, `appState`, and export dimensions. ([Excalidraw Docs][3]) + +Implementation idea: + +```tsx +import { exportToCanvas } from "@excalidraw/excalidraw"; + +const canvas = await exportToCanvas({ + elements, + appState: { + ...appState, + exportBackground: true, + }, + files, + getDimensions: (width, height) => ({ + width, + height, + scale: 2, + }), +}); + +const blob = await new Promise((resolve) => + canvas.toBlob((blob) => resolve(blob!), "image/png"), +); +``` + +Then trigger browser download. + +Do PNG export client-side first. It avoids needing headless browser rendering on the server. + +--- + +# Important implementation detail: access to current scene + +Use `excalidrawAPI`. + +The Excalidraw API exposes methods such as `getFiles`. ([Excalidraw Docs][7]) + +Store latest values from `onChange` in React refs: + +```tsx +const latestSceneRef = useRef({ + elements: [], + appState: {}, + files: {}, +}); +``` + +Update it inside `onChange`. + +Use that ref for export buttons. + +--- + +# Suggested files + +## `package.json` + +```json +{ + "name": "excalidraw-autosave", + "private": true, + "scripts": { + "dev": "next dev", + "build": "next build", + "start": "next start", + "lint": "next lint", + "typecheck": "tsc --noEmit" + }, + "dependencies": { + "@excalidraw/excalidraw": "latest", + "better-sqlite3": "latest", + "next": "latest", + "react": "latest", + "react-dom": "latest" + }, + "devDependencies": { + "@types/better-sqlite3": "latest", + "@types/node": "latest", + "@types/react": "latest", + "@types/react-dom": "latest", + "typescript": "latest" + } +} +``` + +## `next.config.ts` + +```ts +import type { NextConfig } from "next"; + +const nextConfig: NextConfig = { + output: "standalone", +}; + +export default nextConfig; +``` + +--- + +# Database module + +## `lib/db.ts` + +Requirements: + +```text +- Read DATABASE_PATH from env +- Default to /data/excalidraw.sqlite +- Ensure parent directory exists +- Initialize schema +- Export getDrawing() and saveDrawing() +``` + +Pseudo-code: + +```ts +import Database from "better-sqlite3"; +import fs from "node:fs"; +import path from "node:path"; + +const dbPath = process.env.DATABASE_PATH ?? "/data/excalidraw.sqlite"; +fs.mkdirSync(path.dirname(dbPath), { recursive: true }); + +const db = new Database(dbPath); + +db.pragma("journal_mode = WAL"); + +db.exec(` + CREATE TABLE IF NOT EXISTS drawings ( + id TEXT PRIMARY KEY, + data TEXT NOT NULL, + created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP, + updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP + ) +`); + +export function getDrawing(id = "default") { + const row = db.prepare("SELECT data FROM drawings WHERE id = ?").get(id) as + | { data: string } + | undefined; + + return row ? JSON.parse(row.data) : null; +} + +export function saveDrawing(data: unknown, id = "default") { + const serialized = JSON.stringify(data); + + db.prepare( + ` + INSERT INTO drawings (id, data, created_at, updated_at) + VALUES (?, ?, CURRENT_TIMESTAMP, CURRENT_TIMESTAMP) + ON CONFLICT(id) DO UPDATE SET + data = excluded.data, + updated_at = CURRENT_TIMESTAMP + `, + ).run(id, serialized); + + return new Date().toISOString(); +} +``` + +--- + +# API route + +## `app/api/drawing/route.ts` + +Requirements: + +```text +- Force Node runtime, not Edge +- GET returns saved or empty scene +- POST saves normalized scene +- Handle invalid JSON +- Enforce payload size cap +``` + +Add: + +```ts +export const runtime = "nodejs"; +``` + +Pseudo-code: + +```ts +import { NextResponse } from "next/server"; +import { getDrawing, saveDrawing } from "@/lib/db"; +import { emptyScene, normalizeScene } from "@/lib/scene"; + +export const runtime = "nodejs"; + +export async function GET() { + const saved = getDrawing("default"); + return NextResponse.json(saved ?? emptyScene()); +} + +export async function POST(req: Request) { + const text = await req.text(); + + if (text.length > 25 * 1024 * 1024) { + return NextResponse.json( + { ok: false, error: "Scene too large" }, + { status: 413 }, + ); + } + + let raw: unknown; + + try { + raw = JSON.parse(text); + } catch { + return NextResponse.json( + { ok: false, error: "Invalid JSON" }, + { status: 400 }, + ); + } + + const scene = normalizeScene(raw); + const updatedAt = saveDrawing(scene, "default"); + + return NextResponse.json({ ok: true, updatedAt }); +} +``` + +--- + +# Client component + +## `components/ExcalidrawClient.tsx` + +Requirements: + +```text +- "use client" +- import Excalidraw and CSS +- fetch initial data +- render full viewport +- onChange debounced autosave +- export JSON button +- export PNG button +- save status +``` + +Important: + +```tsx +import "@excalidraw/excalidraw/index.css"; +``` + +Use a custom debounce instead of lodash to avoid another dependency. + +--- + +# CSS/UI + +Keep UI minimal. + +```text +- Editor fills viewport. +- Floating toolbar at top-right. +- Buttons: + - Export PNG + - Export .excalidraw +- Save status badge: + - Saved + - Saving… + - Failed +``` + +Do not attempt to reproduce Excalidraw’s own toolbar. + +--- + +# Docker + +## `Dockerfile` + +Use Next.js standalone output. + +```dockerfile +FROM node:22-alpine AS deps +WORKDIR /app +COPY package.json package-lock.json* ./ +RUN npm install + +FROM node:22-alpine AS builder +WORKDIR /app +COPY --from=deps /app/node_modules ./node_modules +COPY . . +RUN npm run build + +FROM node:22-alpine AS runner +WORKDIR /app + +ENV NODE_ENV=production +ENV PORT=3000 +ENV HOSTNAME=0.0.0.0 +ENV DATABASE_PATH=/data/excalidraw.sqlite + +RUN mkdir -p /data + +COPY --from=builder /app/public ./public +COPY --from=builder /app/.next/standalone ./ +COPY --from=builder /app/.next/static ./.next/static + +EXPOSE 3000 + +CMD ["node", "server.js"] +``` + +## `docker-compose.yml` + +```yaml +services: + excalidraw-autosave: + build: . + container_name: excalidraw-autosave + expose: + - "3000" + environment: + DATABASE_PATH: /data/excalidraw.sqlite + volumes: + - ./data:/data + restart: unless-stopped + + caddy: + image: caddy:latest + container_name: excalidraw-caddy + depends_on: + - excalidraw-autosave + ports: + - "80:80" + - "443:443" + volumes: + - ./Caddyfile.example:/etc/caddy/Caddyfile:ro + - caddy_data:/data + - caddy_config:/config + restart: unless-stopped + +volumes: + caddy_data: + caddy_config: +``` + +## `Caddyfile.example` + +```caddyfile +draw.example.com { + basic_auth { + zero REPLACE_WITH_CADDY_HASH + } + + reverse_proxy excalidraw-autosave:3000 +} +``` + +Generate password hash: + +```bash +docker run --rm -it caddy:latest caddy hash-password +``` + +--- + +# Backup plan + +SQLite file: + +```text +./data/excalidraw.sqlite +``` + +Backup command: + +```bash +mkdir -p ./backups +sqlite3 ./data/excalidraw.sqlite ".backup './backups/excalidraw-$(date +%F-%H%M).sqlite'" +``` + +Recommended cron: + +```cron +0 3 * * * cd /path/to/excalidraw-autosave && sqlite3 ./data/excalidraw.sqlite ".backup './backups/excalidraw-$(date +\%F-\%H\%M).sqlite'" +``` + +Also back up `.excalidraw` exports manually for critical drawings. + +--- + +# Security model + +V1 app assumes: + +```text +- It is not public without reverse proxy auth. +- Caddy handles TLS. +- Caddy handles basic_auth. +- The app does not implement users. +- The app should not expose port 3000 to the public internet. +``` + +In Compose, use: + +```yaml +expose: + - "3000" +``` + +Do **not** use: + +```yaml +ports: + - "3000:3000" +``` + +unless testing locally. + +--- + +# Acceptance criteria + +Codex should finish with a repo that satisfies: + +```text +1. `npm run dev` opens editor locally. +2. Drawing reloads after refresh. +3. Drawing persists after app restart. +4. Docker Compose starts Caddy + app. +5. SQLite DB is created under ./data. +6. No direct public app port is exposed. +7. Export PNG downloads a PNG. +8. Export .excalidraw downloads editable JSON. +9. Autosave status visibly changes. +10. No collaboration code exists. +``` + +Manual test: + +```text +1. Start app. +2. Draw rectangle and text. +3. Wait until status says Saved. +4. Refresh browser. +5. Confirm rectangle and text remain. +6. Restart container. +7. Confirm drawing remains. +8. Export PNG. +9. Export .excalidraw. +10. Import .excalidraw into official Excalidraw and confirm it opens. +``` + +--- + +# Future V2, only after V1 works + +Add these later, not now: + +```text +- multiple named drawings +- drawing list page +- thumbnails +- duplicate drawing +- delete drawing +- server-side export endpoint +- periodic backup UI +- WebDAV/S3 export +- basic file manager +``` + +For V2 multiple drawings, change routes to: + +```text +GET /api/drawings +POST /api/drawings +GET /api/drawings/:id +PUT /api/drawings/:id +DELETE /api/drawings/:id +``` + +Schema: + +```sql +CREATE TABLE drawings ( + id TEXT PRIMARY KEY, + title TEXT NOT NULL, + data TEXT NOT NULL, + created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP, + updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP +); +``` + +--- + +# Instruction + +Build the V1 exactly as specified. Keep code minimal. Do not add accounts, collaboration, sharing, Firebase, Prisma, Tailwind, or extra abstractions. Use the official `@excalidraw/excalidraw` package and SQLite persistence through `better-sqlite3`. Use Caddy for auth in the deployment example. diff --git a/README.md b/README.md new file mode 100644 index 0000000..ee0542f --- /dev/null +++ b/README.md @@ -0,0 +1,26 @@ +# excali + +Private self-hosted Excalidraw with Bun and SQLite. + +## Run locally + +```bash +bun install +bun run dev +``` + +Open `http://localhost:3000`. + +## Test + +```bash +bun run test +bun run typecheck +``` + +## Build the image + +```bash +docker build -t excali . +docker run --rm -p 3000:3000 -v "$PWD/data:/data" excali +``` diff --git a/bun.lock b/bun.lock new file mode 100644 index 0000000..d07154e --- /dev/null +++ b/bun.lock @@ -0,0 +1,565 @@ +{ + "lockfileVersion": 1, + "configVersion": 1, + "workspaces": { + "": { + "name": "excali", + "dependencies": { + "@excalidraw/excalidraw": "^0.18.1", + "react": "^19.2.6", + "react-dom": "^19.2.6", + }, + "devDependencies": { + "@types/bun": "^1.3.14", + "@types/react": "^19.2.15", + "@types/react-dom": "^19.2.3", + "typescript": "^5.9.3", + }, + }, + }, + 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b/package.json new file mode 100644 index 0000000..7e0453e --- /dev/null +++ b/package.json @@ -0,0 +1,23 @@ +{ + "name": "excali", + "type": "module", + "private": true, + "scripts": { + "dev": "bun --hot src/server.tsx", + "build": "rm -rf dist && bun build --target=bun ./src/server.tsx --outdir ./dist", + "start": "cd dist && DATABASE_PATH=../data/excalidraw.sqlite bun ./server.js", + "test": "bun test", + "typecheck": "tsc --noEmit" + }, + "dependencies": { + "@excalidraw/excalidraw": "^0.18.1", + "react": "^19.2.6", + "react-dom": "^19.2.6" + }, + "devDependencies": { + "@types/bun": "^1.3.14", + "@types/react": "^19.2.15", + "@types/react-dom": "^19.2.3", + "typescript": "^5.9.3" + } +} diff --git a/src/App.tsx b/src/App.tsx new file mode 100644 index 0000000..de51cb9 --- /dev/null +++ b/src/App.tsx @@ -0,0 +1,477 @@ +import "../node_modules/@excalidraw/excalidraw/dist/prod/index.css"; +import { + Excalidraw, + exportToBlob, + serializeAsJSON, +} from "@excalidraw/excalidraw"; +import type { + AppState, + BinaryFiles, + ExcalidrawInitialDataState, +} from "@excalidraw/excalidraw/types"; +import { useCallback, useEffect, useMemo, useRef, useState } from "react"; +import { DEFAULT_TITLE, type DrawingMeta, type ScenePayload } from "./shared"; + +type SaveStatus = "saved" | "saving" | "failed"; + +type DrawingResponse = DrawingMeta & ScenePayload; + +function pathToId(pathname = window.location.pathname): string | null { + const match = pathname.match(/^\/d\/([^/]+)$/); + return match?.[1] ?? null; +} + +function sortDrawings(drawings: DrawingMeta[]): DrawingMeta[] { + return [...drawings].sort((a, b) => b.updatedAt.localeCompare(a.updatedAt)); +} + +function replaceMeta(drawings: DrawingMeta[], drawing: DrawingMeta): DrawingMeta[] { + const filtered = drawings.filter((item) => item.id !== drawing.id); + return sortDrawings([drawing, ...filtered]); +} + +function sceneToInitialData(scene: ScenePayload): ExcalidrawInitialDataState { + return scene as ExcalidrawInitialDataState; +} + +function sceneFromEditor( + elements: readonly unknown[], + appState: AppState, + files: BinaryFiles, +): ScenePayload { + return { + elements: [...elements], + appState: appState as unknown as Record, + files: files as unknown as Record, + }; +} + +function downloadBlob(blob: Blob, filename: string) { + const url = URL.createObjectURL(blob); + const link = document.createElement("a"); + link.href = url; + link.download = filename; + link.click(); + URL.revokeObjectURL(url); +} + +function filenameBase(title: string): string { + const safeTitle = title + .trim() + .toLowerCase() + .replace(/[^a-z0-9]+/g, "-") + .replace(/^-+|-+$/g, ""); + + const now = new Date(); + const stamp = `${now.getFullYear()}-${String(now.getMonth() + 1).padStart(2, "0")}-${String( + now.getDate(), + ).padStart(2, "0")}-${String(now.getHours()).padStart(2, "0")}${String( + now.getMinutes(), + ).padStart(2, "0")}`; + + return `${safeTitle || "drawing"}-${stamp}`; +} + +async function requestJson(url: string, init?: RequestInit): Promise { + const response = await fetch(url, { + ...init, + headers: { + ...(init?.body ? { "content-type": "application/json" } : {}), + ...init?.headers, + }, + }); + + const body = (await response.json()) as T & { error?: string }; + if (!response.ok) { + throw new Error(body.error ?? `Request failed: ${response.status}`); + } + + return body; +} + +export function App() { + const [drawings, setDrawings] = useState([]); + const [activeId, setActiveId] = useState(pathToId()); + const [activeTitle, setActiveTitle] = useState(DEFAULT_TITLE); + const [scene, setScene] = useState(null); + const [loading, setLoading] = useState(true); + const [saveStatus, setSaveStatus] = useState("saved"); + const [error, setError] = useState(null); + + const currentIdRef = useRef(activeId); + const currentTitleRef = useRef(activeTitle); + const latestSceneRef = useRef(null); + const ignoreChangeRef = useRef(false); + const timeoutRef = useRef(null); + const inFlightSaveRef = useRef | null>(null); + const loadVersionRef = useRef(0); + + const activeDrawing = useMemo( + () => drawings.find((drawing) => drawing.id === activeId) ?? null, + [activeId, drawings], + ); + + const refreshList = useCallback(async () => { + const list = await requestJson("/api/drawings", { method: "GET" }); + setDrawings(sortDrawings(list)); + return list; + }, []); + + const saveScene = useCallback(async () => { + const drawingId = currentIdRef.current; + const nextScene = latestSceneRef.current; + if (!drawingId || !nextScene) { + return; + } + + setSaveStatus("saving"); + setError(null); + + const promise = requestJson<{ ok: true; drawing: DrawingMeta }>(`/api/drawings/${drawingId}`, { + method: "PUT", + body: JSON.stringify(nextScene), + }) + .then((body) => { + setDrawings((current) => replaceMeta(current, body.drawing)); + setSaveStatus("saved"); + }) + .catch((saveError: unknown) => { + setSaveStatus("failed"); + setError(saveError instanceof Error ? saveError.message : "Save failed"); + throw saveError; + }) + .finally(() => { + inFlightSaveRef.current = null; + }); + + inFlightSaveRef.current = promise; + await promise; + }, []); + + const flushPendingSave = useCallback(async () => { + if (timeoutRef.current !== null) { + clearTimeout(timeoutRef.current); + timeoutRef.current = null; + await saveScene(); + return; + } + + if (inFlightSaveRef.current) { + await inFlightSaveRef.current; + } + }, [saveScene]); + + const scheduleSave = useCallback(() => { + if (timeoutRef.current !== null) { + clearTimeout(timeoutRef.current); + } + + setSaveStatus("saving"); + timeoutRef.current = window.setTimeout(() => { + timeoutRef.current = null; + void saveScene(); + }, 1500); + }, [saveScene]); + + const loadDrawing = useCallback( + async (drawingId: string) => { + const version = ++loadVersionRef.current; + setLoading(true); + setError(null); + + try { + const [list, drawing] = await Promise.all([ + requestJson("/api/drawings", { method: "GET" }), + requestJson(`/api/drawings/${drawingId}`, { method: "GET" }), + ]); + + if (version !== loadVersionRef.current) { + return; + } + + const nextScene = { + elements: drawing.elements, + appState: drawing.appState, + files: drawing.files, + }; + + ignoreChangeRef.current = true; + currentIdRef.current = drawing.id; + currentTitleRef.current = drawing.title; + latestSceneRef.current = nextScene; + + setDrawings(sortDrawings(list)); + setActiveId(drawing.id); + setActiveTitle(drawing.title); + setScene(nextScene); + setSaveStatus("saved"); + } catch (loadError) { + const list = await refreshList(); + if (list.length === 0) { + const created = await requestJson("/api/drawings", { method: "POST" }); + window.history.replaceState(null, "", `/d/${created.id}`); + await loadDrawing(created.id); + return; + } + + const fallback = list[0]; + if (fallback && fallback.id !== drawingId) { + window.history.replaceState(null, "", `/d/${fallback.id}`); + await loadDrawing(fallback.id); + return; + } + + setError(loadError instanceof Error ? loadError.message : "Failed to load drawing"); + } finally { + if (version === loadVersionRef.current) { + setLoading(false); + } + } + }, + [refreshList], + ); + + const navigateToDrawing = useCallback( + async (drawingId: string, options?: { replace?: boolean; flush?: boolean }) => { + const replace = options?.replace ?? false; + const flush = options?.flush ?? true; + + if (drawingId === currentIdRef.current && latestSceneRef.current) { + if (replace) { + window.history.replaceState(null, "", `/d/${drawingId}`); + } + return; + } + + if (flush) { + await flushPendingSave(); + } + + if (replace) { + window.history.replaceState(null, "", `/d/${drawingId}`); + } else { + window.history.pushState(null, "", `/d/${drawingId}`); + } + + await loadDrawing(drawingId); + }, + [flushPendingSave, loadDrawing], + ); + + const createDrawing = useCallback(async () => { + await flushPendingSave(); + const created = await requestJson("/api/drawings", { method: "POST" }); + await navigateToDrawing(created.id, { flush: false }); + }, [flushPendingSave, navigateToDrawing]); + + const deleteDrawing = useCallback( + async (drawingId: string) => { + if (!window.confirm("Delete this drawing?")) { + return; + } + + if (drawingId === currentIdRef.current) { + await flushPendingSave(); + } + + const response = await requestJson<{ ok: true; nextId: string | null }>(`/api/drawings/${drawingId}`, { + method: "DELETE", + }); + + if (drawingId === currentIdRef.current && response.nextId) { + await navigateToDrawing(response.nextId, { replace: true, flush: false }); + } else { + await refreshList(); + } + }, + [flushPendingSave, navigateToDrawing, refreshList], + ); + + const handleTitleSubmit = useCallback(async () => { + const drawingId = currentIdRef.current; + if (!drawingId) { + return; + } + + try { + const body = await requestJson<{ ok: true; drawing: DrawingMeta }>(`/api/drawings/${drawingId}`, { + method: "PUT", + body: JSON.stringify({ title: currentTitleRef.current }), + }); + + currentTitleRef.current = body.drawing.title; + setActiveTitle(body.drawing.title); + setDrawings((current) => replaceMeta(current, body.drawing)); + } catch (renameError) { + setError(renameError instanceof Error ? renameError.message : "Rename failed"); + } + }, []); + + const exportPng = useCallback(async () => { + const latest = latestSceneRef.current; + if (!latest) { + return; + } + + const blob = await exportToBlob({ + elements: latest.elements as never[], + appState: { + ...(latest.appState as unknown as AppState), + exportBackground: true, + }, + files: latest.files as BinaryFiles, + mimeType: "image/png", + getDimensions: (width: number, height: number) => ({ + width, + height, + scale: 2, + }), + }); + + downloadBlob(blob, `${filenameBase(currentTitleRef.current)}.png`); + }, []); + + const exportExcalidraw = useCallback(() => { + const latest = latestSceneRef.current; + if (!latest) { + return; + } + + const json = serializeAsJSON( + latest.elements as never[], + latest.appState as Partial, + latest.files as BinaryFiles, + "local", + ); + + downloadBlob( + new Blob([json], { type: "application/json" }), + `${filenameBase(currentTitleRef.current)}.excalidraw`, + ); + }, []); + + useEffect(() => { + const currentPathId = pathToId(); + if (currentPathId) { + void loadDrawing(currentPathId); + } else { + window.location.replace("/"); + } + + const onPopState = () => { + const nextId = pathToId(); + if (nextId) { + void navigateToDrawing(nextId, { replace: true, flush: true }); + } + }; + + window.addEventListener("popstate", onPopState); + return () => { + window.removeEventListener("popstate", onPopState); + }; + }, [loadDrawing, navigateToDrawing]); + + useEffect(() => { + return () => { + if (timeoutRef.current !== null) { + clearTimeout(timeoutRef.current); + } + }; + }, []); + + return ( +
+ + +
+
+ + {saveStatus === "saving" ? "Saving..." : saveStatus === "failed" ? "Save failed" : "Saved"} + + + +
+ + {loading || !scene ? ( +
{error ?? "Loading..."}
+ ) : ( +
+ { + latestSceneRef.current = sceneFromEditor(elements, appState, files); + + if (ignoreChangeRef.current) { + ignoreChangeRef.current = false; + return; + } + + scheduleSave(); + }} + /> +
+ )} +
+
+ ); +} diff --git a/src/api.test.ts b/src/api.test.ts new file mode 100644 index 0000000..5e79849 --- /dev/null +++ b/src/api.test.ts @@ -0,0 +1,73 @@ +import { describe, expect, test } from "bun:test"; +import { mkdtempSync, rmSync } from "node:fs"; +import { tmpdir } from "node:os"; +import { join } from "node:path"; +import { createApi } from "./api"; +import { createDrawingStore } from "./db"; + +function withApi() { + const dir = mkdtempSync(join(tmpdir(), "excali-api-")); + const store = createDrawingStore(join(dir, "test.sqlite")); + const api = createApi(store); + + return { + api, + cleanup() { + store.close(); + rmSync(dir, { recursive: true, force: true }); + }, + }; +} + +describe("api", () => { + test("returns 400 for invalid JSON", async () => { + const { api, cleanup } = withApi(); + const drawing = await api.createDrawing().json(); + + const response = await api.updateDrawing( + Object.assign( + new Request(`http://local/api/drawings/${drawing.id}`, { + method: "PUT", + body: "{", + }), + { params: { id: drawing.id } }, + ), + ); + + expect(response.status).toBe(400); + cleanup(); + }); + + test("returns 404 for missing drawing", () => { + const { api, cleanup } = withApi(); + + const response = api.getDrawing( + Object.assign(new Request("http://local/api/drawings/missing"), { params: { id: "missing" } }), + ); + + expect(response.status).toBe(404); + cleanup(); + }); + + test("updates a drawing scene", async () => { + const { api, cleanup } = withApi(); + const created = await api.createDrawing().json(); + + const response = await api.updateDrawing( + Object.assign( + new Request(`http://local/api/drawings/${created.id}`, { + method: "PUT", + body: JSON.stringify({ + elements: [{ id: "shape" }], + appState: {}, + files: {}, + }), + }), + { params: { id: created.id } }, + ), + ); + + expect(response.status).toBe(200); + cleanup(); + }); +}); diff --git a/src/api.ts b/src/api.ts new file mode 100644 index 0000000..521c204 --- /dev/null +++ b/src/api.ts @@ -0,0 +1,119 @@ +import { type DrawingStore } from "./db"; +import { HttpError, normalizeTitle, parseJsonBody, parseSceneText } from "./scene"; + +type RouteRequest = Request & { + params?: Record; +}; + +function json(data: unknown, init?: ResponseInit): Response { + return Response.json(data, init); +} + +function errorResponse(error: unknown): Response { + if (error instanceof HttpError) { + return json({ ok: false, error: error.message }, { status: error.status }); + } + + console.error(error); + return json({ ok: false, error: "Internal server error" }, { status: 500 }); +} + +export function createApi(store: DrawingStore) { + return { + health() { + return json({ ok: true }); + }, + + listDrawings() { + return json(store.listDrawings()); + }, + + createDrawing() { + const drawing = store.createDrawing(); + return json( + { + id: drawing.id, + title: drawing.title, + createdAt: drawing.createdAt, + updatedAt: drawing.updatedAt, + ...drawing.scene, + }, + { status: 201 }, + ); + }, + + getDrawing(request: RouteRequest) { + const id = request.params?.id; + const drawing = id ? store.getDrawing(id) : null; + + if (!drawing) { + return json({ ok: false, error: "Drawing not found" }, { status: 404 }); + } + + return json({ + id: drawing.id, + title: drawing.title, + createdAt: drawing.createdAt, + updatedAt: drawing.updatedAt, + ...drawing.scene, + }); + }, + + async updateDrawing(request: RouteRequest) { + try { + const id = request.params?.id; + if (!id) { + throw new HttpError(400, "Missing drawing id"); + } + + const text = await request.text(); + const raw = parseJsonBody>(text); + const hasTitle = Object.hasOwn(raw, "title"); + const hasScene = + Object.hasOwn(raw, "elements") || + Object.hasOwn(raw, "appState") || + Object.hasOwn(raw, "files"); + + if (!hasTitle && !hasScene) { + throw new HttpError(400, "Nothing to update"); + } + + const scene = hasScene ? parseSceneText(text) : undefined; + const updated = store.updateDrawing(id, { + scene, + title: hasTitle ? normalizeTitle(raw.title) : undefined, + }); + + if (!updated) { + return json({ ok: false, error: "Drawing not found" }, { status: 404 }); + } + + return json({ + ok: true, + drawing: { + id: updated.id, + title: updated.title, + createdAt: updated.createdAt, + updatedAt: updated.updatedAt, + }, + }); + } catch (error) { + return errorResponse(error); + } + }, + + deleteDrawing(request: RouteRequest) { + const id = request.params?.id; + if (!id) { + return json({ ok: false, error: "Missing drawing id" }, { status: 400 }); + } + + const { deleted, next } = store.deleteDrawing(id); + if (!deleted) { + return json({ ok: false, error: "Drawing not found" }, { status: 404 }); + } + + return json({ ok: true, nextId: next?.id ?? null }); + }, + }; +} diff --git a/src/client.tsx b/src/client.tsx new file mode 100644 index 0000000..9f5ddcb --- /dev/null +++ b/src/client.tsx @@ -0,0 +1,16 @@ +import React from "react"; +import { createRoot } from "react-dom/client"; +import { App } from "./App"; +import "./styles.css"; + +const root = document.getElementById("root"); + +if (!root) { + throw new Error("Root element not found"); +} + +createRoot(root).render( + + + , +); diff --git a/src/db.test.ts b/src/db.test.ts new file mode 100644 index 0000000..7c5c670 --- /dev/null +++ b/src/db.test.ts @@ -0,0 +1,49 @@ +import { afterEach, describe, expect, test } from "bun:test"; +import { mkdtempSync, rmSync } from "node:fs"; +import { tmpdir } from "node:os"; +import { join } from "node:path"; +import { createDrawingStore } from "./db"; + +const cleanup: string[] = []; + +afterEach(() => { + while (cleanup.length > 0) { + const dir = cleanup.pop(); + if (dir) { + rmSync(dir, { recursive: true, force: true }); + } + } +}); + +function createTempStore() { + const dir = mkdtempSync(join(tmpdir(), "excali-")); + cleanup.push(dir); + return createDrawingStore(join(dir, "test.sqlite")); +} + +describe("drawing store", () => { + test("creates, updates, lists, and deletes drawings", () => { + const store = createTempStore(); + const created = store.createDrawing(); + + expect(created.title).toBe("Untitled"); + expect(store.listDrawings()).toHaveLength(1); + + const updated = store.updateDrawing(created.id, { + title: "Flow", + scene: { + elements: [{ id: "one" }], + appState: { gridSize: 20 }, + files: {}, + }, + }); + + expect(updated?.title).toBe("Flow"); + expect(updated?.scene.elements).toHaveLength(1); + + const removed = store.deleteDrawing(created.id); + expect(removed.deleted).toBe(true); + expect(store.listDrawings()).toHaveLength(1); + expect(removed.next?.id).not.toBe(created.id); + }); +}); diff --git a/src/db.ts b/src/db.ts new file mode 100644 index 0000000..987dd01 --- /dev/null +++ b/src/db.ts @@ -0,0 +1,209 @@ +import { Database } from "bun:sqlite"; +import { randomUUID } from "node:crypto"; +import { mkdirSync } from "node:fs"; +import { dirname } from "node:path"; +import { DEFAULT_TITLE, type DrawingMeta, type DrawingRecord, type ScenePayload } from "./shared"; +import { coerceStoredScene, emptyScene, normalizeTitle } from "./scene"; + +type DrawingRow = { + id: string; + title: string; + data: string; + createdAt: string; + updatedAt: string; +}; + +type DrawingMetaRow = Omit; + +export type DrawingStore = ReturnType; + +function createId(): string { + return randomUUID().replaceAll("-", "").slice(0, 12); +} + +function resolveDatabasePath(): string { + if (process.env.DATABASE_PATH) { + return process.env.DATABASE_PATH; + } + + try { + mkdirSync("/data", { recursive: true }); + return "/data/excalidraw.sqlite"; + } catch { + return `${process.cwd()}/data/excalidraw.sqlite`; + } +} + +function readMeta(row: DrawingMetaRow | null | undefined): DrawingMeta | null { + if (!row) { + return null; + } + + return { + id: row.id, + title: row.title, + createdAt: row.createdAt, + updatedAt: row.updatedAt, + }; +} + +function readRow(row: DrawingRow | null | undefined): DrawingRecord | null { + if (!row) { + return null; + } + + return { + ...readMeta(row)!, + scene: coerceStoredScene(JSON.parse(row.data)), + }; +} + +export function createDrawingStore(databasePath = resolveDatabasePath()) { + mkdirSync(dirname(databasePath), { recursive: true }); + + const db = new Database(databasePath, { create: true, strict: true }); + db.exec(` + PRAGMA journal_mode = WAL; + + CREATE TABLE IF NOT EXISTS drawings ( + id TEXT PRIMARY KEY, + title TEXT NOT NULL, + data TEXT NOT NULL, + created_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP, + updated_at TEXT NOT NULL DEFAULT CURRENT_TIMESTAMP + ); + + CREATE INDEX IF NOT EXISTS drawings_updated_at_idx + ON drawings(updated_at DESC, created_at DESC); + `); + + const listQuery = db.query(` + SELECT + id, + title, + created_at AS createdAt, + updated_at AS updatedAt + FROM drawings + ORDER BY updated_at DESC, created_at DESC + `); + + const getQuery = db.query(` + SELECT + id, + title, + data, + created_at AS createdAt, + updated_at AS updatedAt + FROM drawings + WHERE id = ?1 + `); + + const createQuery = db.query(` + INSERT INTO drawings (id, title, data) + VALUES (?1, ?2, ?3) + `); + + const updateSceneQuery = db.query(` + UPDATE drawings + SET data = ?2, updated_at = CURRENT_TIMESTAMP + WHERE id = ?1 + `); + + const updateTitleQuery = db.query(` + UPDATE drawings + SET title = ?2, updated_at = CURRENT_TIMESTAMP + WHERE id = ?1 + `); + + const updateBothQuery = db.query(` + UPDATE drawings + SET title = ?2, data = ?3, updated_at = CURRENT_TIMESTAMP + WHERE id = ?1 + `); + + const deleteQuery = db.query(` + DELETE FROM drawings + WHERE id = ?1 + `); + + function listDrawings(): DrawingMeta[] { + return (listQuery.all() as DrawingMetaRow[]).map((row) => readMeta(row)!); + } + + function getDrawing(id: string): DrawingRecord | null { + return readRow(getQuery.get(id) as DrawingRow | null | undefined); + } + + function createDrawing(title = DEFAULT_TITLE): DrawingRecord { + const id = createId(); + createQuery.run(id, normalizeTitle(title), JSON.stringify(emptyScene())); + return getDrawing(id)!; + } + + function getLatestDrawing(): DrawingMeta | null { + return listDrawings()[0] ?? null; + } + + function ensureInitialDrawing(): DrawingMeta { + return getLatestDrawing() ?? createDrawing(); + } + + function updateDrawing(id: string, update: { scene?: ScenePayload; title?: string }): DrawingRecord | null { + const existing = getDrawing(id); + if (!existing) { + return null; + } + + const hasScene = update.scene !== undefined; + const hasTitle = update.title !== undefined; + + if (!hasScene && !hasTitle) { + return existing; + } + + if (hasScene && hasTitle) { + updateBothQuery.run(id, normalizeTitle(update.title), JSON.stringify(update.scene)); + } else if (hasScene) { + updateSceneQuery.run(id, JSON.stringify(update.scene)); + } else { + updateTitleQuery.run(id, normalizeTitle(update.title)); + } + + return getDrawing(id); + } + + function deleteDrawing(id: string): { deleted: boolean; next: DrawingMeta | null } { + const changes = Number(deleteQuery.run(id).changes); + if (changes === 0) { + return { deleted: false, next: null }; + } + + return { + deleted: true, + next: ensureInitialDrawing(), + }; + } + + function close() { + db.close(false); + } + + return { + databasePath, + close, + listDrawings, + getDrawing, + createDrawing, + getLatestDrawing, + ensureInitialDrawing, + updateDrawing, + deleteDrawing, + }; +} + +let defaultStore: DrawingStore | null = null; + +export function getDefaultDrawingStore(): DrawingStore { + defaultStore ??= createDrawingStore(); + return defaultStore; +} diff --git a/src/index.html b/src/index.html new file mode 100644 index 0000000..1e3e3d3 --- /dev/null +++ b/src/index.html @@ -0,0 +1,12 @@ + + + + + + excali + + + +
+ + diff --git a/src/scene.test.ts b/src/scene.test.ts new file mode 100644 index 0000000..c9fdff7 --- /dev/null +++ b/src/scene.test.ts @@ -0,0 +1,25 @@ +import { describe, expect, test } from "bun:test"; +import { HttpError, MAX_SCENE_BYTES, normalizeScene, parseJsonBody } from "./scene"; + +describe("scene helpers", () => { + test("normalizes volatile app state fields", () => { + const scene = normalizeScene({ + elements: [], + appState: { + selectedElementIds: { one: true }, + viewModeEnabled: false, + }, + files: {}, + }); + + expect(scene.appState.selectedElementIds).toBeUndefined(); + expect(scene.appState.viewModeEnabled).toBe(false); + }); + + test("rejects oversized payloads", () => { + const text = "x".repeat(MAX_SCENE_BYTES + 1); + + expect(() => parseJsonBody(text)).toThrow(HttpError); + expect(() => parseJsonBody(text)).toThrow("Payload too large"); + }); +}); diff --git a/src/scene.ts b/src/scene.ts new file mode 100644 index 0000000..8bf5d1e --- /dev/null +++ b/src/scene.ts @@ -0,0 +1,97 @@ +import { DEFAULT_TITLE, type ScenePayload } from "./shared"; + +export const MAX_SCENE_BYTES = 25 * 1024 * 1024; + +export class HttpError extends Error { + constructor( + readonly status: number, + message: string, + ) { + super(message); + } +} + +const VOLATILE_APP_STATE_KEYS = new Set([ + "collaborators", + "selectedElementIds", + "selectedGroupIds", + "editingElement", + "editingLinearElement", + "openMenu", + "openSidebar", + "contextMenu", + "toast", +]); + +export function emptyScene(): ScenePayload { + return { + elements: [], + appState: {}, + files: {}, + }; +} + +function isRecord(value: unknown): value is Record { + return typeof value === "object" && value !== null && !Array.isArray(value); +} + +export function normalizeTitle(input: unknown): string { + if (typeof input !== "string") { + return DEFAULT_TITLE; + } + + const trimmed = input.trim(); + return trimmed.length > 0 ? trimmed : DEFAULT_TITLE; +} + +export function normalizeScene(input: unknown): ScenePayload { + if (!isRecord(input)) { + throw new HttpError(400, "Body must be an object"); + } + + if (!Array.isArray(input.elements)) { + throw new HttpError(400, "elements must be an array"); + } + + if (!isRecord(input.appState)) { + throw new HttpError(400, "appState must be an object"); + } + + if (!isRecord(input.files)) { + throw new HttpError(400, "files must be an object"); + } + + const appState = Object.fromEntries( + Object.entries(input.appState).filter(([key]) => !VOLATILE_APP_STATE_KEYS.has(key)), + ); + + return { + elements: input.elements, + appState, + files: input.files, + }; +} + +export function parseJsonBody(text: string): T { + if (new TextEncoder().encode(text).byteLength > MAX_SCENE_BYTES) { + throw new HttpError(413, "Payload too large"); + } + + try { + return JSON.parse(text) as T; + } catch { + throw new HttpError(400, "Invalid JSON"); + } +} + +export function parseSceneText(text: string): ScenePayload { + return normalizeScene(parseJsonBody(text)); +} + +export function coerceStoredScene(input: unknown): ScenePayload { + try { + return normalizeScene(input); + } catch { + return emptyScene(); + } +} diff --git a/src/server.tsx b/src/server.tsx new file mode 100644 index 0000000..dd9b9f1 --- /dev/null +++ b/src/server.tsx @@ -0,0 +1,40 @@ +import index from "./index.html"; +import { createApi } from "./api"; +import { getDefaultDrawingStore } from "./db"; + +export function createServer() { + const drawingStore = getDefaultDrawingStore(); + const api = createApi(drawingStore); + + return { + port: Number(process.env.PORT ?? "3000"), + hostname: process.env.HOST ?? "0.0.0.0", + routes: { + "/": (request: Request) => { + const drawing = drawingStore.ensureInitialDrawing(); + return Response.redirect(new URL(`/d/${drawing.id}`, request.url), 302); + }, + "/d/:id": index, + "/api/health": { + GET: () => api.health(), + }, + "/api/drawings": { + GET: () => api.listDrawings(), + POST: () => api.createDrawing(), + }, + "/api/drawings/:id": { + GET: (request: Request & { params: Record }) => api.getDrawing(request), + PUT: (request: Request & { params: Record }) => api.updateDrawing(request), + DELETE: (request: Request & { params: Record }) => api.deleteDrawing(request), + }, + }, + fetch() { + return Response.json({ ok: false, error: "Not found" }, { status: 404 }); + }, + } satisfies Parameters[0]; +} + +if (import.meta.main) { + const server = Bun.serve(createServer()); + console.log(`Listening on http://${server.hostname}:${server.port}`); +} diff --git a/src/shared.ts b/src/shared.ts new file mode 100644 index 0000000..5153b0d --- /dev/null +++ b/src/shared.ts @@ -0,0 +1,18 @@ +export type ScenePayload = { + elements: unknown[]; + appState: Record; + files: Record; +}; + +export type DrawingMeta = { + id: string; + title: string; + createdAt: string; + updatedAt: string; +}; + +export type DrawingRecord = DrawingMeta & { + scene: ScenePayload; +}; + +export const DEFAULT_TITLE = "Untitled"; diff --git a/src/styles.css b/src/styles.css new file mode 100644 index 0000000..ee2a99b --- /dev/null +++ b/src/styles.css @@ -0,0 +1,187 @@ +:root { + color-scheme: light; + font-family: + Inter, + ui-sans-serif, + system-ui, + -apple-system, + BlinkMacSystemFont, + "Segoe UI", + sans-serif; +} + +* { + box-sizing: border-box; +} + +html, +body, +#root { + margin: 0; + height: 100%; +} + +body { + background: #f5f5f4; + color: #18181b; +} + +button, +input { + font: inherit; +} + +.app-shell { + display: flex; + height: 100%; +} + +.sidebar { + display: flex; + width: 260px; + min-width: 260px; + flex-direction: column; + border-right: 1px solid #e4e4e7; + background: #ffffff; +} + +.sidebar-header { + display: flex; + align-items: center; + justify-content: space-between; + gap: 12px; + border-bottom: 1px solid #e4e4e7; + padding: 16px; +} + +.sidebar-header h1 { + margin: 0; + font-size: 16px; + font-weight: 600; +} + +.drawing-list { + overflow: auto; + padding: 8px; +} + +.drawing-item { + display: grid; + grid-template-columns: minmax(0, 1fr) 32px; + align-items: center; + gap: 8px; + border-radius: 8px; + padding: 4px; +} + +.drawing-item-active { + background: #f4f4f5; +} + +.drawing-link { + min-width: 0; + border: 0; + background: transparent; + padding: 8px; + text-align: left; +} + +.drawing-title, +.title-input { + display: block; + width: 100%; + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; +} + +.title-input { + border: 1px solid #d4d4d8; + border-radius: 6px; + background: #ffffff; + padding: 6px 8px; +} + +.editor-shell { + position: relative; + min-width: 0; + flex: 1; +} + +.toolbar { + position: absolute; + top: 16px; + right: 16px; + z-index: 20; + display: flex; + align-items: center; + gap: 8px; +} + +.status-badge, +.primary-button, +.secondary-button, +.icon-button { + border: 1px solid #d4d4d8; + border-radius: 8px; + background: #ffffff; +} + +.status-badge { + padding: 8px 10px; + font-size: 13px; +} + +.status-saving { + color: #1d4ed8; +} + +.status-failed { + color: #b91c1c; +} + +.status-saved { + color: #166534; +} + +.primary-button, +.secondary-button { + cursor: pointer; + padding: 8px 12px; +} + +.secondary-button:disabled { + cursor: not-allowed; + opacity: 0.6; +} + +.icon-button { + width: 32px; + height: 32px; + cursor: pointer; +} + +.editor-frame, +.editor-loading { + height: 100%; +} + +.editor-loading { + display: grid; + place-items: center; + color: #52525b; +} + +@media (max-width: 900px) { + .sidebar { + width: 220px; + min-width: 220px; + } + + .toolbar { + left: 12px; + right: 12px; + flex-wrap: wrap; + justify-content: flex-end; + } +} diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..147326a --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,20 @@ +{ + "compilerOptions": { + "lib": ["ESNext", "DOM", "DOM.Iterable"], + "target": "ESNext", + "module": "Preserve", + "moduleDetection": "force", + "jsx": "react-jsx", + "moduleResolution": "bundler", + "allowImportingTsExtensions": true, + "verbatimModuleSyntax": true, + "noEmit": true, + "strict": true, + "skipLibCheck": true, + "noFallthroughCasesInSwitch": true, + "noUncheckedIndexedAccess": true, + "noImplicitOverride": true, + "types": ["bun-types"] + }, + "include": ["src/**/*"] +}