feat: initial commit

.dockerignore

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+/biome.json

.github/workflows/build.yaml

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+name: build
+on:
+  push:
+    branches:
+      - main
+  workflow_dispatch:
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-build
+  cancel-in-progress: true
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    permissions:
+      contents: read
+      packages: write
+    steps:
+      - uses: actions/checkout@v4
+      - uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+      - uses: docker/setup-buildx-action@v3
+      - uses: docker/metadata-action@v5
+        id: meta
+        with:
+          images: ghcr.io/${{ github.repository }}
+          tags: |
+            type=sha,format=short,prefix=,priority=100
+            type=raw,value=latest,priority=200
+      - uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: Dockerfile
+          push: true
+          provenance: true
+          no-cache: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}

.github/workflows/lint.yaml

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+name: lint
+on:
+  pull_request:
+  workflow_dispatch:
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-lint
+  cancel-in-progress: true
+jobs:
+  actionlint:
+    runs-on: ubuntu-latest
+    timeout-minutes: 10
+    steps:
+      - uses: actions/checkout@v4
+      - uses: reviewdog/action-actionlint@v1
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          reporter: github-pr-review
+  javascript:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - uses: oven-sh/setup-bun@v1
+      - run: bun install
+      - uses: biomejs/setup-biome@v2
+      - run: biome ci .
+  typos:
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+    steps:
+      - uses: actions/checkout@v4
+      - uses: crate-ci/typos@master

.github/workflows/test.yaml

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+name: test
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+concurrency:
+  group: ${{ github.workflow }}-${{ github.ref }}-test
+  cancel-in-progress: true
+jobs:
+  javascript:
+    timeout-minutes: 30
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: oven-sh/setup-bun@v1
+      - run: bun install
+      - run: bun test

.gitignore

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+node_modules/

Dockerfile

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+FROM oven/bun:latest
+COPY . .
+ENTRYPOINT ["bun",  "./index.ts"]

biome.json

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+{
+  "$schema": "https://biomejs.dev/schemas/1.5.3/schema.json",
+  "files": {
+    "ignore": ["node_modules"],
+    "ignoreUnknown": true
+  },
+  "organizeImports": {
+    "enabled": true
+  },
+  "formatter": {
+    "enabled": true,
+    "indentStyle": "space"
+  },
+  "linter": {
+    "enabled": true,
+    "rules": {
+      "recommended": true,
+      "complexity": {
+        "noBannedTypes": "off"
+      }
+    }
+  }
+}

index.ts

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+import { Hono } from "hono";
+import { logger } from "hono/logger";
+import { createHeadlessEditor } from "@lexical/headless";
+import { JSDOM } from "jsdom";
+import { $generateNodesFromDOM } from "@lexical/html";
+import { $getRoot, $getSelection } from "lexical";
+
+export const runtime = "edge";
+
+const app = new Hono();
+app.use(logger());
+
+app.get("/healthcheck", (c) => c.text("ok"));
+app.post("/html_to_json", async (c) => {
+  const body = await c.req.text();
+
+  const editor = createHeadlessEditor({
+    nodes: [],
+    onError: (e) => {
+      console.error(e);
+    },
+  });
+  await editor.update(() => {
+    const dom = new JSDOM(body);
+    const nodes = $generateNodesFromDOM(editor, dom.window.document);
+    $getRoot().select();
+    const selection = $getSelection();
+    selection?.insertNodes(nodes);
+  });
+
+  return c.json(editor.getEditorState().toJSON());
+});
+
+export default app;

package.json

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+{
+  "name": "lexical-server",
+  "module": "index.ts",
+  "type": "module",
+  "devDependencies": {
+    "@biomejs/biome": "1.6.1",
+    "@types/bun": "latest"
+  },
+  "peerDependencies": {
+    "typescript": "^5.0.0"
+  },
+  "dependencies": {
+    "@lexical/headless": "0.14.2",
+    "@lexical/html": "0.14.2",
+    "hono": "4.1.3",
+    "jsdom": "24.0.0",
+    "lexical": "0.14.2"
+  }
+}

tsconfig.json

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+{
+  "compilerOptions": {
+    // Enable latest features
+    "lib": ["ESNext"],
+    "target": "ESNext",
+    "module": "ESNext",
+    "moduleDetection": "force",
+    "jsx": "react-jsx",
+    "allowJs": true,
+
+    // Bundler mode
+    "moduleResolution": "bundler",
+    "allowImportingTsExtensions": true,
+    "verbatimModuleSyntax": true,
+    "noEmit": true,
+
+    // Best practices
+    "strict": true,
+    "skipLibCheck": true,
+    "noFallthroughCasesInSwitch": true,
+
+    // Some stricter flags (disabled by default)
+    "noUnusedLocals": false,
+    "noUnusedParameters": false,
+    "noPropertyAccessFromIndexSignature": false
+  }
+}