DA-5233 Hono Guide Created #7156
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WalkthroughAdds a new Hono + Prisma guide at Changes
Sequence Diagram(s)sequenceDiagram
autonumber
participant Client as HTTP Client
participant Hono as Hono App
participant Middleware as Prisma Middleware
participant Prisma as PrismaClient
participant Handler as Route Handler
Client->>Hono: HTTP request
Hono->>Middleware: invoke per-request middleware
Middleware->>Prisma: initialize/expose client (withAccelerate or plain)
Middleware-->>Hono: attach `prisma` to ctx
Hono->>Handler: call route handler (ctx.prisma available)
Handler->>Prisma: run query (e.g., findMany users)
Prisma-->>Handler: return results
Handler-->>Client: HTTP response
note right of Middleware #DDDDFF: Middleware may instantiate per-request\nor attach an Accelerate-enabled client extension
Estimated code review effort🎯 2 (Simple) | ⏱️ ~10 minutes Suggested reviewers
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Actionable comments posted: 3
🧹 Nitpick comments (1)
content/800-guides/390-hono.mdx (1)
232-246: Consider adding PrismaClient cleanup to prevent connection leaks.The middleware creates a
PrismaClientand stores it in the context, but there's no cleanup logic to disconnect the client after the request completes. This could lead to connection exhaustion over time.Consider adding a cleanup mechanism or documenting the connection lifecycle. One approach is to use Hono's context cleanup or ensure the client is short-lived:
function withPrisma(c: Context, next: Next) { if (!c.get('prisma')) { const databaseUrl = process.env.DATABASE_URL; if (!databaseUrl) { throw new Error('DATABASE_URL is not set'); } const prisma = new PrismaClient({ datasourceUrl: databaseUrl }) .$extends( withAccelerate(),); c.set('prisma', prisma); } - return next(); + return next().finally(() => { + // Optionally disconnect after request + // const prisma = c.get('prisma'); + // await prisma.$disconnect(); + }); }Note: With Prisma Accelerate, connection pooling is handled externally, so this may be less critical. However, it's worth documenting the expected behavior.
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🔇 Additional comments (6)
sidebars.ts (1)
421-421: LGTM!The addition of
"guides/hono"to the Web Frameworks list is correct and follows the existing pattern. The.sort()call ensures proper alphabetical ordering in the sidebar.content/800-guides/390-hono.mdx (5)
74-103: LGTM!The Prisma schema definition is well-structured with a clear one-to-many relationship between
UserandPostmodels. The generator configuration correctly sets the output path.
286-293: LGTM!The dotenv setup is correctly implemented and the explanation is clear about why it's needed for Hono.
298-308: LGTM!The type augmentation for Hono context is properly implemented, ensuring type safety when accessing the Prisma client from the context.
321-330: LGTM!The GET route example is well-structured and demonstrates proper usage of the Prisma client from Hono's context, including related data with the
includeoption.
60-60: No change needed for Prisma output path
The--output ../src/generated/prismaflag correctly points fromprisma/schema.prismato thesrc/generated/prismadirectory in a standard Hono project setup.
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Actionable comments posted: 6
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🔇 Additional comments (4)
content/800-guides/390-hono.mdx (4)
28-34: Verify Hono CLI prompts.Two install prompts look duplicated. Please confirm the current
npm create hono@latestquestions and update this list accordingly.
74-80: Confirm generator settings match the pinned Prisma versions.
provider = "prisma-client"andengineType = "client"may be version‑specific. Ensure these are valid for@prisma/clientandprismaversions specified.
15-16: Validate example link points to a Hono app.The example repo path looks generic (Node). Confirm it matches Hono or link to a Hono‑specific example if available.
6-6: Cover image verified
The file/img/guides/prisma-hono-cover.pngexists.
Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
Co-authored-by: Ankur Datta <64993082+ankur-arch@users.noreply.github.com> Co-authored-by: Aidan McAlister <105178005+aidankmcalister@users.noreply.github.com>
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Actionable comments posted: 4
🧹 Nitpick comments (2)
content/800-guides/390-hono.mdx (2)
272-288: Tighten the wording in the environment/type section.Fix the lingering typos/grammar (“will be read that file…”, “to to know”) for clarity and polish. Example rewrite: “
dotenvreads that file and exposes the values viaprocess.env. Next, add types so Hono knows thewithPrismamiddleware sets aprismakey on the context.”
346-355: Clean up the wording around running the dev script.“Start the Hono app by call…” should be “by calling,” and the following sentence can be tightened (“You should see ‘Server is running…’”). This keeps the prose consistent with the rest of the guide.
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