是否在GraphQL的节点中创建自定义模块?
我目前正在学习教程,试图通过React学习GraphQL,但在尝试运行是否在GraphQL的节点中创建自定义模块?,graphql,Graphql,我目前正在学习教程,试图通过React学习GraphQL,但在尝试运行npm start时出现以下错误: Error: Cannot find module 'notarealdb' Require stack: - /Users/user/Workspace/intro-to-graphql/db.js - /Users/user/Workspace/intro-to-graphql/server.js at Function.Module._resolveFilename (inte
npm start
时出现以下错误:
Error: Cannot find module 'notarealdb'
Require stack:
- /Users/user/Workspace/intro-to-graphql/db.js
- /Users/user/Workspace/intro-to-graphql/server.js
at Function.Module._resolveFilename (internal/modules/cjs/loader.js:982:15)
at Function.Module._load (internal/modules/cjs/loader.js:864:27)
at Module.require (internal/modules/cjs/loader.js:1044:19)
at require (internal/modules/cjs/helpers.js:77:18)
at Object.<anonymous> (/Users/user/Workspace/intro-to-graphql/db.js:1:23)
at Module._compile (internal/modules/cjs/loader.js:1158:30)
at Object.Module._extensions..js (internal/modules/cjs/loader.js:1178:10)
at Module.load (internal/modules/cjs/loader.js:1002:32)
at Function.Module._load (internal/modules/cjs/loader.js:901:14)
at Module.require (internal/modules/cjs/loader.js:1044:19) {
code: 'MODULE_NOT_FOUND',
requireStack: [
'/Users/user/Workspace/intro-to-graphql/db.js',
'/Users/user/Workspace/intro-to-graphql/server.js'
]
}
[nodemon] app crashed - waiting for file changes before starting...
我们正在创建一个与之交互的新数据存储,而不是与传统数据库交互,我们正在用一个映射到/data
中的名称替换notarealdb
。我想notarealdb
必须映射到某个东西,但是教程没有提到它是什么
有人知道本教程的确切含义吗?这很有效,谢谢!奇怪的是,它不是一个依赖项,这肯定会有帮助。
const { DataStore } = require('notarealdb');
const store = new DataStore('./data');