prisma-supabase v0.0.1
Prisma Supabase Generator
A Prisma generator that creates types for the @supabase/supabase-js or @supabase/postgrest-js client without the need for an online or dockerized database, resulting in faster generation times. This is particularly useful for projects that only use PostgREST.
Installation
To use this generator, add it to your Prisma project. First, install the package:
NPM
npm i -D prisma-supabase
Yarn
yarn add -D prisma-supabase
PNPM
pnpm add -D prisma-supabase
Deno 2.x
deno add -D prisma-supabase
Bun
bun add -D prisma-supabase
Usage
- Add the generator to your
schema.prisma
file:
generator supabase {
provider = "prisma-supabase"
output = "./database.ts" // Optional: Defaults to ./database.ts which would store in ./prisma/database.ts
enableDocumentation = true // Optional: Defaults to true
}
- Run Prisma generate to create the Supabase types:
npx prisma generate
This will generate a database.ts
file (or whatever you specified in the output
option) in your Prisma output directory (usually prisma/
).
Configuration Options
output
: Specifies the output file for the generated types. Defaults to./prisma/database.ts
.enableDocumentation
: Enables or disables the generation of JSDoc comments from Prisma schema comments. Defaults totrue
.
Example Usage
Here's an example of how to use the generated types with Supabase:
import { createClient } from "@supabase/supabase-js";
import { type Database } from "./prisma/database";
// Supabase Example
const supabase = createClient<Database>('', '');
supabase.from('User').select('*').limit(1).single().then((res) => {
console.log(res.data?.id);
});
supabase.from('User').select('*, Post(*)').limit(1).single().then((res) => {
console.log(res.data?.Post[0].content);
});
Or using PostgREST:
import { PostgrestClient } from "@supabase/postgrest-js";
import { type Database } from "./prisma/database";
// PostgREST Example
const postgrest = new PostgrestClient<Database>('');
postgrest.from('User').select('*').limit(1).single().then((res) => {
console.log(res.data?.id);
});
postgrest.from('User').select('*, Post(*)').limit(1).single().then((res) => {
console.log(res.data?.Post[0].content);
});
In these examples, the Database
type is imported from the generated database.ts
file, providing type safety for your Supabase or PostgREST queries based on your Prisma schema.
Example Output
Schema: example/prisma/schema.prisma
Output: example/prisma/database.ts
Features
- Table Types
- Table Relationships
- Enum Types
- JSDoc from Prisma schema comments
- View Types (included within Table Types)
- Multiple Schemas (in progress)
- Composite Types (not supported by Prisma yet)
- Function Types (not supported by Prisma yet)
Benefits
- Generate Supabase types from your Prisma schema without an online or dockerized database
- Useful for projects that only use PostgREST
- Faster type generation process
- Optional JSDoc comments for better code documentation
Requirements
- Prisma 2.x or higher
Contributing
Contributions are welcome! Please feel free to submit a Pull Request or open an Issue.
License
This project is licensed under the MIT License.
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