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johnymontanajohnymontana
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update examples
1 parent cc9c86f commit 870e98b

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‎.github/workflows/ci-typescript.yml‎

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permissions:
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contents: read
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defaults:
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run:
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working-directory: typescript
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jobs:
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lint-test:
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name: Lint + Test (Node ${{ matrix.node }})
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runs-on: ubuntu-latest
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defaults:
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run:
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working-directory: typescript
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strategy:
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fail-fast: false
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matrix:
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- name: Verify packed artifact
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run: npm pack --dry-run
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type-check-examples:
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name: Type-check example (${{ matrix.example }})
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runs-on: ubuntu-latest
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needs: lint-test
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strategy:
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fail-fast: false
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matrix:
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example: [langchain, mastra, mcp, strands, vercel-ai]
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steps:
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- uses: actions/checkout@v4
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- name: Set up Node.js
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uses: actions/setup-node@v4
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with:
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node-version: '22'
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cache: 'npm'
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cache-dependency-path: typescript/package-lock.json
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- name: Build SDK (populates typescript/dist for file: deps)
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working-directory: typescript
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run: |
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npm ci
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npm run build
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- name: Install example dependencies
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working-directory: typescript/examples/${{ matrix.example }}
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run: npm install --no-package-lock
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- name: Type-check example
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working-directory: typescript/examples/${{ matrix.example }}
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run: npx tsc --noEmit

‎.gitignore‎

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typescript/dist/
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typescript/.tsbuildinfo
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typescript/docs-api/
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typescript/examples/*/node_modules/
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typescript/examples/*/package-lock.json
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# Build outputs
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*.log

‎Makefile‎

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.PHONY: help install install-all install-dev lint format typecheck test test-unit test-integration test-integration-mcp test-e2e test-all test-docker test-ci test-no-docker test-quick test-file test-match test-aws test-nams-unit test-nams-integration test-nams coverage coverage-all coverage-ci coverage-mcp test-examples test-examples-quick test-examples-no-neo4j test-docs test-docs-syntax test-docs-build test-docs-links neo4j-start neo4j-stop neo4j-logs clean build publish docs docs-diagrams-list docs-diagrams-status docs-diagrams-missing docs-diagrams-manifest docs-diagrams-add-refs docs-diagrams-generate example-basic example-resolution example-langchain example-pydantic examples chat-agent-install chat-agent-backend chat-agent-frontend chat-agent ts-install ts-build ts-test ts-test-unit ts-test-integration ts-lint ts-docs ts-conformance ts-pack ts-clean
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.PHONY: help install install-all install-dev lint format typecheck test test-unit test-integration test-integration-mcp test-e2e test-all test-docker test-ci test-no-docker test-quick test-file test-match test-aws test-nams-unit test-nams-integration test-nams coverage coverage-all coverage-ci coverage-mcp test-examples test-examples-quick test-examples-no-neo4j test-docs test-docs-syntax test-docs-build test-docs-links neo4j-start neo4j-stop neo4j-logs clean build publish docs docs-diagrams-list docs-diagrams-status docs-diagrams-missing docs-diagrams-manifest docs-diagrams-add-refs docs-diagrams-generate example-basic example-resolution example-langchain example-pydantic examples chat-agent-install chat-agent-backend chat-agent-frontend chat-agent ts-install ts-build ts-test ts-test-unit ts-test-integration ts-lint ts-docs ts-conformance ts-pack ts-clean ts-test-examples
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# Default target
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help:
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# Remove TS build artifacts
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ts-clean:
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rm -rf $(TS_DIR)/dist $(TS_DIR)/docs-api $(TS_DIR)/.tsbuildinfo
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# Type-check every TS example against the freshly built SDK. Catches
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# API drift between examples and the SDK without needing API keys.
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# Mirrors the ci-typescript.yml type-check-examples matrix.
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ts-test-examples:
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cd $(TS_DIR) && npm ci && npm run build
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@for ex in langchain mastra mcp strands vercel-ai; do \
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echo "=== Type-checking $$ex ==="; \
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(cd $(TS_DIR)/examples/$$ex && npm install --no-package-lock && npx tsc --noEmit) || exit 1; \
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done
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@echo "All TS examples type-check cleanly."

‎typescript/examples/langchain/package.json‎

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"start": "tsx src/index.ts"
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},
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"dependencies": {
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"@neo4j-labs/agent-memory": "file:.."
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"@neo4j-labs/agent-memory": "file:../.."
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},
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"devDependencies": {
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"@types/node": "^20.0.0",
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"tsx": "^4.0.0",
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"@types/node": "^20.0.0"
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"typescript": "^5.9.3"
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}
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}

‎typescript/examples/langchain/src/index.ts‎

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console.log("Persisting messages via Neo4jChatMessageHistory ...");
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await history.addUserMessage("Tell me about graph databases.");
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await history.addAIMessage(
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await history.addAIChatMessage(
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"Graph databases store data as nodes and relationships, making path queries fast.",
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);
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await history.addUserMessage("How does that compare to relational?");
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await memory.longTerm.addEntity("Neo4j", "concept", {
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description: "Graph database; mentioned in this demo.",
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});
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const retriever = new Neo4jEntityRetriever(memory, { limit: 3 });
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const retriever = new Neo4jEntityRetriever(memory, { topK: 3 });
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const docs = await retriever.invoke("graph database");
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console.log(`Found ${docs.length} entity-shaped documents.`);
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for (const d of docs) {

‎typescript/examples/langchain/tsconfig.json‎

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{
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"extends": "../tsconfig.base.json",
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"include": ["src/**/*"]
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}

‎typescript/examples/mastra/package.json‎

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"start": "tsx src/index.ts"
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},
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"dependencies": {
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"@neo4j-labs/agent-memory": "file:.."
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"@neo4j-labs/agent-memory": "file:../.."
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},
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"devDependencies": {
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"tsx": "^4.0.0",
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"typescript": "^5.5.0",
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"@types/node": "^20.0.0"
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}
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}

‎typescript/examples/mastra/tsconfig.json‎

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{
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"extends": "../tsconfig.base.json",
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"include": ["src/**/*"]
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}

‎typescript/examples/mcp/package.json‎

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"start": "tsx src/index.ts"
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},
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"dependencies": {
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"@neo4j-labs/agent-memory": "file:..",
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"@neo4j-labs/agent-memory": "file:../..",
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"@modelcontextprotocol/sdk": "^1.0.0"
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},
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"devDependencies": {
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"tsx": "^4.0.0",
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"typescript": "^5.5.0",
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"@types/node": "^20.0.0"
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}
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}

‎typescript/examples/mcp/tsconfig.json‎

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{
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"extends": "../tsconfig.base.json",
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"include": ["src/**/*"]
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}

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