@graphql-codegen/typescript-operations
Version:
GraphQL Code Generator plugin for generating TypeScript types for GraphQL queries, mutations, subscriptions and fragments
291 lines (290 loc) • 9.02 kB
text/typescript
import { AvoidOptionalsConfig, RawDocumentsConfig } from '@graphql-codegen/visitor-plugin-common';
/**
* @description This plugin generates TypeScript types based on your GraphQLSchema _and_ your GraphQL operations and fragments.
* It generates types for your GraphQL documents: Query, Mutation, Subscription and Fragment.
*
* Note: In most configurations, this plugin requires you to use `typescript as well, because it depends on its base types.
*/
export interface TypeScriptDocumentsPluginConfig extends RawDocumentsConfig {
/**
* @description The [GraphQL spec](https://spec.graphql.org/draft/#sel-FAHjBJFCAACE_Gh7d)
* allows arrays and a single primitive value for list input. This allows to
* deactivate that behavior to only accept arrays instead of single values. If
* set to `false`, the definition: `query foo(bar: [Int!]!): Foo` will output
* `bar: Array<Int>` instead of `bar: Array<Int> | Int` for the variable part.
* @default true
*
* @exampleMarkdown
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript'],
* config: {
* arrayInputCoercion: false
* },
* },
* },
* };
* export default config;
* ```
*/
arrayInputCoercion?: boolean;
/**
* @description This will cause the generator to avoid using TypeScript optionals (`?`) on types,
* so the following definition: `type A { myField: String }` will output `myField: Maybe<string>`
* instead of `myField?: Maybe<string>`.
* @default false
*
* @exampleMarkdown
* ## Override all definition types
*
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript'],
* config: {
* avoidOptionals: true
* },
* },
* },
* };
* export default config;
* ```
*
* ## Override only specific definition types
*
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript'],
* config: {
* avoidOptionals: {
* field: true
* inputValue: true
* object: true
* defaultValue: true
* }
* },
* },
* },
* };
* export default config;
* ```
*/
avoidOptionals?: boolean | AvoidOptionalsConfig;
/**
* @description Generates immutable types by adding `readonly` to properties and uses `ReadonlyArray`.
* @default false
*
* @exampleMarkdown
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript'],
* config: {
* immutableTypes: true
* },
* },
* },
* };
* export default config;
* ```
*/
immutableTypes?: boolean;
/**
* @description Flatten fragment spread and inline fragments into a simple selection set before generating.
* @default false
*
* @exampleMarkdown
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript', 'typescript-operations'],
* config: {
* flattenGeneratedTypes: true
* },
* },
* },
* };
* export default config;
* ```
*/
flattenGeneratedTypes?: boolean;
/**
* @description Include all fragments types when flattenGeneratedTypes is enabled.
* @default false
*
* @exampleMarkdown
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript', 'typescript-operations'],
* config: {
* flattenGeneratedTypes: true,
* flattenGeneratedTypesIncludeFragments: true
* },
* },
* },
* };
* export default config;
* ```
*/
flattenGeneratedTypesIncludeFragments?: boolean;
/**
* @description Set to `true` in order to generate output without `export` modifier.
* This is useful if you are generating `.d.ts` file and want it to be globally available.
* @default false
*
* @exampleMarkdown
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript'],
* config: {
* noExport: true
* },
* },
* },
* };
* export default config;
* ```
*/
noExport?: boolean;
globalNamespace?: boolean;
/**
* @name addOperationExport
* @type boolean
* @description Add const export of the operation name to output file. Pay attention that the file should be `d.ts`.
* You can combine it with `near-operation-file preset` and therefore the types will be generated along with graphql file. Then you need to set extension in `presetConfig` to be `.gql.d.ts` and by that you can import `gql` file in `ts` files.
* It will allow you to get everything with one import:
*
* ```ts
* import { GetClient, GetClientQuery, GetClientQueryVariables } from './GetClient.gql.js'
* ```
* @default false
* @see https://github.com/dotansimha/graphql-code-generator/issues/3949
*
* @exampleMarkdown
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* "./typings/api.ts": {
* "plugins": [
* "typescript"
* ]
* },
* "./": {
* "preset": "near-operation-file",
* "presetConfig": {
* "baseTypesPath": "./typings/api.ts",
* "extension": ".gql.d.ts"
* },
* "plugins": [
* "@graphql-codegen/typescript-operations"
* ],
* "config": {
* "addOperationExport": true
* }
* }
* };
* export default config;
* ```
*/
addOperationExport?: boolean;
/**
* @description Allow to override the type value of `Maybe`.
* @default T | null
*
* @exampleMarkdown
* ## Allow undefined
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript'],
* config: {
* maybeValue: 'T | null | undefined'
* },
* },
* },
* };
* export default config;
* ```
*
* ## Allow `null` in resolvers:
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript'],
* config: {
* maybeValue: 'T extends PromiseLike<infer U> ? Promise<U | null> : T | null'
* },
* },
* },
* };
* export default config;
* ```
*/
maybeValue?: string;
/**
* @description Adds undefined as a possible type for query variables
* @default false
*
* @exampleMarkdown
* ```ts filename="codegen.ts"
* import type { CodegenConfig } from '@graphql-codegen/cli';
*
* const config: CodegenConfig = {
* // ...
* generates: {
* 'path/to/file.ts': {
* plugins: ['typescript'],
* config: {
* allowUndefinedQueryVariables: true
* },
* },
* },
* };
* export default config;
* ```
*/
allowUndefinedQueryVariables?: boolean;
}