{"id":360573,"date":"2024-05-21T00:55:54","date_gmt":"2024-05-21T00:55:54","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=360573"},"modified":"-0001-11-30T00:00:00","modified_gmt":"2024-05-21T00:55:54","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=360573","title":{"rendered":"\u041a\u0430\u043a \u0441\u0433\u0435\u043d\u0435\u0440\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u044b\u0439, \u0442\u0438\u043f\u0438\u0437\u0438\u0440\u043e\u0432\u0430\u043d\u043d\u044b\u0439 Node.js API \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c Prisma, TypeGraphQL \u0438 graphql-query-purifier<\/span>"},"content":{"rendered":"
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\u0421\u043e\u0437\u0434\u0430\u043d\u0438\u0435 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0433\u043e Node.js API, \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u044e\u0449\u0435\u0433\u043e \u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0442\u0438\u043f\u043e\u0431\u0435\u0437\u043e\u043f\u0430\u0441\u043d\u043e\u0441\u0442\u044c, \u043c\u043e\u0436\u0435\u0442 \u0431\u044b\u0442\u044c \u0441\u043b\u043e\u0436\u043d\u043e\u0439 \u0437\u0430\u0434\u0430\u0447\u0435\u0439. \u042d\u0442\u043e \u0440\u0443\u043a\u043e\u0432\u043e\u0434\u0441\u0442\u0432\u043e \u0434\u0435\u043c\u043e\u043d\u0441\u0442\u0440\u0438\u0440\u0443\u0435\u0442 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 \u0441 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0438\u0435\u043c Prisma, TypeGraphQL <\/a>\u0438 graphql-query-purifier<\/a>.<\/p>\n

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\u041d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043f\u0440\u043e\u0435\u043a\u0442\u0430 Node.js \u0438 \u0438\u043d\u0442\u0435\u0433\u0440\u0430\u0446\u0438\u044f \u0441 Prisma<\/h4>\n

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mkdir nodejs-api && cd nodejs-api npm init -y npm i --save-dev @types\/cors@2.8.16 @types\/graphql-fields@1.3.9 @types\/node@20.9.2 body-parser@1.20.2 cors@2.8.5 express@4.18.2 graphql-query-purifier prisma@5.6.0 ts-node@10.9.1 type-graphql@2.0.0-beta.1 typegraphql-prisma@0.27.1 typescript@5.2.2 npm i @apollo\/server@4.9.5 @prisma\/client@5.6.0 graphql@16.8.1 graphql-fields@2.0.3 graphql-scalars@1.22.4 reflect-metadata@0.1.13 npx tsc --init npx prisma init --datasource-provider sqlite<\/code><\/pre>\n
\u041e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u0438\u0435 \u043c\u043e\u0434\u0435\u043b\u0435\u0439 Prisma<\/h4>\n
\u0421\u043e\u0437\u0434\u0430\u0439\u0442\u0435 \u0441\u0445\u0435\u043c\u0443 Prisma \u0434\u043b\u044f \u043f\u0440\u0435\u0434\u0441\u0442\u0430\u0432\u043b\u0435\u043d\u0438\u044f \u0441\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u044b \u043a\u043e\u043c\u043f\u0430\u043d\u0438\u0438:<\/p>\n
\/\/ schema.prisma  datasource db {   provider = \"sqlite\"   url      = \"file:.\/dev.db\" }  generator client {   provider = \"prisma-client-js\" }  generator typegraphql {   provider = \"typegraphql-prisma\"   output   = \"generated\" }  model Employee {   id           Int        @id @default(autoincrement())   name         String   departmentId Int   department   Department @relation(fields: [departmentId], references: [id])   salary       Salary?   salaryId     Int? }  model Department {   id        Int        @id @default(autoincrement())   name      String   employees Employee[] }  model Salary {   id         Int      @id @default(autoincrement())   amount     Float   employeeId Int      @unique   employee   Employee @relation(fields: [employeeId], references: [id]) }<\/code><\/pre>\n
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npx prisma migrate dev --name init<\/code><\/pre>\n
\u041d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 Apollo Server \u0441 Express<\/h4>\n
\u0418\u043d\u0442\u0435\u0433\u0440\u0438\u0440\u0443\u0439\u0442\u0435 Apollo Server \u0441 Express:<\/p>\n
import \"reflect-metadata\"; import express from \"express\"; import { ApolloServer } from \"@apollo\/server\"; import { GraphQLQueryPurifier } from \"graphql-query-purifier\"; import { resolvers } from \"..\/prisma\/generated\"; import { PrismaClient } from \"@prisma\/client\";  import cors from \"cors\"; import path from \"path\"; import { json, urlencoded } from \"body-parser\"; import { expressMiddleware } from \"@apollo\/server\/express4\"; import { buildSchema } from \"type-graphql\";  const startServer = async () => {   const app = express();   const prisma = new PrismaClient();    app.use(cors(), json(), urlencoded({ extended: true }));    const gqlPath = path.resolve(__dirname, \"..\/frontend\");   const queryPurifier = new GraphQLQueryPurifier({     gqlPath,     allowStudio: true,     \/\/ allowAll: false,   });   app.use(queryPurifier.filter);    const server = new ApolloServer({     schema: await buildSchema({       resolvers,       validate: false,     }),   });    await server.start();    const context = expressMiddleware(server, {     context: async (_ctx) => ({       prisma,     }),   });    app.use(\"\/graphql\", context);    const PORT = process.env.PORT || 3000;   app.listen(PORT, () => {     console.log(`Server running on http:\/\/localhost:${PORT}\/graphql`);   }); };  startServer();<\/code><\/pre>\n
\u0422\u0435\u0441\u0442\u0438\u0440\u043e\u0432\u0430\u043d\u0438\u0435 API<\/h4>\n
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query {   departments {     id     name     employees {       id       name     }   } }<\/code><\/pre>\n
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query {   departments {     id     name     employees {       id       name       salary {         amount       }     }   } }<\/code><\/pre>\n
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