使用 NextJS 时在 NexusJS 中定义 contextType 的正确方法
Correct way to define contextType in NexusJS while using NextJS
我试图让 Prisma 和 Nexus 与 NextJS 一起工作,但我在定义 GraphQL 模式中的 contextType 时遇到了一些问题。
我这样定义模式:
export const schema = makeSchema({
types: [Query, User, Mutation],
contextType: {
module: require.resolve("./graphql/context"),
export: "Context",
},
plugins: [nexusPrisma({ experimentalCRUD: true })],
outputs: {
typegen: path.join(process.cwd(), "generated", "nexus-typegen.ts"),
schema: path.join(process.cwd(), "generated", "schema.graphql"),
},
});
通过运行npm run dev
启动开发服务器时出现错误。错误如下:
Module not found: Can't resolve './graphql/context'
46 | types: [Query, User, Mutation],
47 | contextType: {
> 48 | module: require.resolve("./graphql/context"),
| ^
49 | export: "Context",
50 | },
51 | plugins: [nexusPrisma({ experimentalCRUD: true })],
这是 context.ts
文件:
import { PrismaClient } from "@prisma/client";
const prisma = new PrismaClient();
export interface Context {
prisma: PrismaClient;
}
export function createContext(): Context {
return { prisma };
}
我的依赖项是这些:
"dependencies": {
"@prisma/client": "^2.13.1",
"apollo-server-micro": "^2.19.1",
"next": "latest",
"nexus": "^1.0.0",
"nexus-plugin-prisma": "^0.27.0",
"react": "^16.12.0",
"react-dom": "^16.12.0"
},
"devDependencies": {
"@prisma/cli": "^2.13.1",
"@types/node": "^12.12.21",
"@types/react": "^16.9.16",
"@types/react-dom": "^16.9.4",
"typescript": "^4.1.3"
},
我一直在努力寻找解决方案,但现在我卡住了。我认为它可能与 NextJS
及其 Webpack 配置有关,但我完全不了解这些,所以我真的不知道该尝试什么。
感谢任何帮助。
项目树:
root
├─ generated
│ ├─ nexus-typegen.ts
│ └─ schema.graphql
├─ graphql
│ ├─ context.ts
│ └─ schema.ts
├─ interfaces
│ └─ index.ts
├─ next-env.d.ts
├─ package-lock.json
├─ package.json
├─ pages
│ ├─ api
│ │ ├─ graphql.ts
├─ prisma
│ └─ schema.prisma
├─ tsconfig.json
我认为错误出在您为模块提供的路径中。假设您已经在 ./schema.ts
中定义了架构,您的上下文类型应该如下所示,因为它是您需要指定的相对路径
contextType: {
module: require.resolve("./context"),
export: "Context",
}
这种方式对我有用:
contextType: {
module: path.join(process.cwd(), "graphql", "context.ts"),
export: "Context",
}
我试图让 Prisma 和 Nexus 与 NextJS 一起工作,但我在定义 GraphQL 模式中的 contextType 时遇到了一些问题。
我这样定义模式:
export const schema = makeSchema({
types: [Query, User, Mutation],
contextType: {
module: require.resolve("./graphql/context"),
export: "Context",
},
plugins: [nexusPrisma({ experimentalCRUD: true })],
outputs: {
typegen: path.join(process.cwd(), "generated", "nexus-typegen.ts"),
schema: path.join(process.cwd(), "generated", "schema.graphql"),
},
});
通过运行npm run dev
启动开发服务器时出现错误。错误如下:
Module not found: Can't resolve './graphql/context'
46 | types: [Query, User, Mutation],
47 | contextType: {
> 48 | module: require.resolve("./graphql/context"),
| ^
49 | export: "Context",
50 | },
51 | plugins: [nexusPrisma({ experimentalCRUD: true })],
这是 context.ts
文件:
import { PrismaClient } from "@prisma/client";
const prisma = new PrismaClient();
export interface Context {
prisma: PrismaClient;
}
export function createContext(): Context {
return { prisma };
}
我的依赖项是这些:
"dependencies": {
"@prisma/client": "^2.13.1",
"apollo-server-micro": "^2.19.1",
"next": "latest",
"nexus": "^1.0.0",
"nexus-plugin-prisma": "^0.27.0",
"react": "^16.12.0",
"react-dom": "^16.12.0"
},
"devDependencies": {
"@prisma/cli": "^2.13.1",
"@types/node": "^12.12.21",
"@types/react": "^16.9.16",
"@types/react-dom": "^16.9.4",
"typescript": "^4.1.3"
},
我一直在努力寻找解决方案,但现在我卡住了。我认为它可能与 NextJS
及其 Webpack 配置有关,但我完全不了解这些,所以我真的不知道该尝试什么。
感谢任何帮助。
项目树:
root
├─ generated
│ ├─ nexus-typegen.ts
│ └─ schema.graphql
├─ graphql
│ ├─ context.ts
│ └─ schema.ts
├─ interfaces
│ └─ index.ts
├─ next-env.d.ts
├─ package-lock.json
├─ package.json
├─ pages
│ ├─ api
│ │ ├─ graphql.ts
├─ prisma
│ └─ schema.prisma
├─ tsconfig.json
我认为错误出在您为模块提供的路径中。假设您已经在 ./schema.ts
中定义了架构,您的上下文类型应该如下所示,因为它是您需要指定的相对路径
contextType: {
module: require.resolve("./context"),
export: "Context",
}
这种方式对我有用:
contextType: {
module: path.join(process.cwd(), "graphql", "context.ts"),
export: "Context",
}