151 lines
3.9 KiB
Markdown
151 lines
3.9 KiB
Markdown
# @trigger.dev/schema-to-json
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Convert various schema validation libraries to JSON Schema format.
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## Installation
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```bash
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npm install @trigger.dev/schema-to-json
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```
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## Important: Bundle Safety
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This package is designed to be **bundle-safe**. It does NOT bundle any schema libraries (zod, yup, etc.) as dependencies. Instead:
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1. **Built-in conversions** work immediately (ArkType, Zod 4, TypeBox)
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2. **External conversions** (Zod 3, Yup, Effect) require the conversion libraries to be available at runtime
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This design ensures that:
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- ✅ Your bundle size stays small
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- ✅ You only include the schema libraries you actually use
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- ✅ Tree-shaking works properly
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- ✅ No unnecessary dependencies are installed
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## Supported Schema Libraries
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- ✅ **Zod** - Full support
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- Zod 4: Native support via built-in `toJsonSchema` method (no external deps needed)
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- Zod 3: Requires `zod-to-json-schema` to be installed
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- ✅ **Yup** - Requires `@sodaru/yup-to-json-schema` to be installed
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- ✅ **ArkType** - Native support (built-in `toJsonSchema` method)
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- ✅ **Effect/Schema** - Requires `effect` or `@effect/schema` to be installed
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- ✅ **TypeBox** - Native support (already JSON Schema compliant)
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- ⏳ **Valibot** - Coming soon
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- ⏳ **Superstruct** - Coming soon
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- ⏳ **Runtypes** - Coming soon
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## Usage
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### Basic Usage (Built-in conversions only)
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```typescript
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import { schemaToJsonSchema } from '@trigger.dev/schema-to-json';
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import { type } from 'arktype';
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// Works immediately for schemas with built-in conversion
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const arkSchema = type({
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name: 'string',
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age: 'number',
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});
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const result = schemaToJsonSchema(arkSchema);
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console.log(result);
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// { jsonSchema: {...}, schemaType: 'arktype' }
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```
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### Full Usage (With external conversion libraries)
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```typescript
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import { schemaToJsonSchema, initializeSchemaConverters } from '@trigger.dev/schema-to-json';
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import { z } from 'zod';
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// Initialize converters once in your app (loads conversion libraries if available)
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await initializeSchemaConverters();
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// Now you can convert Zod 3, Yup, and Effect schemas
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const zodSchema = z.object({
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name: z.string(),
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age: z.number(),
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email: z.string().email(),
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});
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const result = schemaToJsonSchema(zodSchema);
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console.log(result);
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// {
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// jsonSchema: {
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// type: 'object',
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// properties: {
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// name: { type: 'string' },
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// age: { type: 'number' },
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// email: { type: 'string', format: 'email' }
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// },
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// required: ['name', 'age', 'email']
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// },
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// schemaType: 'zod'
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// }
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```
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## API
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### `schemaToJsonSchema(schema, options?)`
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Convert a schema to JSON Schema format.
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**Parameters:**
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- `schema` - The schema to convert
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- `options` (optional)
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- `name` - Name to use for the schema (supported by some converters)
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- `additionalProperties` - Additional properties to merge into the result
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**Returns:**
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- `{ jsonSchema, schemaType }` - The converted JSON Schema and detected type
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- `undefined` - If the schema cannot be converted
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### `initializeSchemaConverters()`
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Initialize the external conversion libraries. Call this once in your application if you need to convert schemas that don't have built-in JSON Schema support (Zod 3, Yup, Effect).
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**Returns:** `Promise<void>`
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### `canConvertSchema(schema)`
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Check if a schema can be converted to JSON Schema.
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**Returns:** `boolean`
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### `detectSchemaType(schema)`
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Detect the type of schema.
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**Returns:** `'zod' | 'yup' | 'arktype' | 'effect' | 'valibot' | 'superstruct' | 'runtypes' | 'typebox' | 'unknown'`
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### `areConvertersInitialized()`
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Check which conversion libraries are available.
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**Returns:** `{ zod: boolean, yup: boolean, effect: boolean }`
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## Peer Dependencies
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Each schema library is an optional peer dependency. Install only the ones you need:
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```bash
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# For Zod
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npm install zod
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# For Yup
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npm install yup
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# For ArkType
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npm install arktype
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# For Effect
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npm install effect @effect/schema
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# For TypeBox
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npm install @sinclair/typebox
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```
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## License
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MIT |