随笔分类 - Node.js
摘要：远程通信方式 通信方式： Stdio： 推荐，高效、简洁、本地 Streamable HTTP： 远程 前置知识 SSE 全称 Server-Sent Events，中文是“服务器发送事件”。是一种基于 HTTP 的单向通信协议，由浏览器发起连接，服务器可以持续不断地向客户端推送数据。 你可以把它想
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摘要：chokidar chokidar 是一个功能强大、跨平台、性能优秀的 文件系统监听库，适用于 Node.js 环境，底层使用原生 fs.watch 和 fs.watchFile，并在 macOS/Linux 上优先使用更高效的 fsevents（若可用）。 基本用法： import chokida
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摘要：SSE SSE（Server-Sent Events） 是一种浏览器原生支持的、单向的流式通信协议： 服务器 → 客户端 持续不断推送数据（比如：消息、token、进度） 它基于 HTTP 协议，使用 MIME 类型 text/event-stream。 核心特性 单向通信：只能从服务端推送到客户端
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摘要：When you run node.js you can run node --expose-gc index.js Which will allow you manully cleanup gc: global.gc() Map For map, it is easy to cost memory
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摘要：Using the Node.js glob function as a practical example, you'll learn how Array.fromAsync facilitates the creation of arrays from asynchronous iterable
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摘要：You can create a javascript file as a bash file: #!/usr/bin/env node console.log("Hello World!") Run the script: ./script.js
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摘要：Normally you need to put require("dotenv").config() console.log(process.env.TEST) to access env vars WIth --node-fileflag you don't need to do that an
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摘要：# Create a node cli ## Init a project Run: `npm run init` Let's say we want to create a cli command call `note-dev`, let's add this into `package.json
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摘要：logger.ts // .env LOGGER_LEVEL=debug // logger.ts import * as winston from "winston"; export const logger = winston.createLogger({ level: process.env.
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摘要：import * as dotenv from "dotenv"; const result = dotenv.config(); if (result.error) { console.log('Error loading environment variables, aborting.') pr
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摘要：https://www.npmjs.com/package/umzug // index.js const { Sequelize } = require('sequelize'); const { Umzug, SequelizeStorage } = require('umzug'); cons
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摘要：We use needleas a client on Node.js express server for fetching the data or site. https://www.npmjs.com/package/needle The leanest and most handsome H
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摘要：Express app: import cors from 'cors'; import express, { Application } from 'express'; import routes from './routes'; import * as middlewares from './m
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摘要：Creating a CLI in Node.js just takes a extra step or two because they are really just an ordinary Node.js app wrapped behind a bin command. For this e
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摘要：If you cannot catch those pesky errors for any reason. Maybe some lib is throwing them and you can't catch them. You can use: process.on('uncaughtExce
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摘要：CrudController: 查看代码 export const getOne = model => async (req, res) => { try { const doc = model .findOne({ createdBy: req.user._id, _id: req.params.
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摘要：Each model controller: import { crudControllers } from '../../utils/crud' import { Item } from './item.model' export default crudControllers(Item) You
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摘要：Model: import mongoose from 'mongoose' const itemSchema = new mongoose.Schema( { name: { type: String, required: true, trim: true, maxlength: 50 }, st
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摘要：Model: import mongoose from 'mongoose' const itemSchema = new mongoose.Schema( { name: { type: String, required: true, trim: true, maxlength: 50 }, st
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摘要：Example 1: import mongoose from 'mongoose' const itemSchema = new mongoose.Schema( { name: { type: String, required: true, trim: true, maxlength: 50 }
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