Robert 雜記

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分隔線

使用三個連續符號表示（-、*)

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***
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---
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hexo d - “ERROR Deployer not found git”

Install hexo-deployer-git

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npm install hexo-deployer-git --save
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  • Bash lang-bash, lang-sh, lang-zsh

  • C, C++, and other C-likes lang-c, lang-h, lang-cpp, lang-hpp, lang-c++, lang-h++, lang-cc, lang-hh, lang-cxx, lang-hxx, lang-c-like

  • C# lang-cs, lang-csharp, lang-c#

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command

Install Hexo

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Install Hexo

Dump version

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hexo version
// 新版修改
npx hexo version
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預先安裝 Git 和 Node.js

Install Hexo

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npm install -g hexo-cli

Dump version

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hexo version
// 新版修改
npx hexo version
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基本設定

Install Hexo

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npm install -g hexo-cli

Dump version

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hexo version
// 新版修改
npx hexo version
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npm WARN npm does not support Node.js v14.16.0 (windows)

刪除目錄

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C:\Users\yourname\AppData\Roaming
目錄 npm and npm-cache

安裝npm

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npm install -g npm@latest

Cannot use import statement outside a module (node.js)

參考 Node.js v16.0.0 document type

package.json 加入 “type”: “module”,

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{
  "name": "node_test",
  "version": "1.0.0",
  "description": "",
	"main": "index.js",
	"type": "module",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1"
	},
  "author": "",
  "license": "ISC",
  "dependencies": {
    "hexo": "^5.4.0",
    "hexo-theme-next": "^8.3.0",
    "lodash": "^4.17.21",
    "mathjs": "^9.3.2"
  }
}

require is not defined (node.js)

package.json 移除 “type”: “module”,

process 參數含 & 要加 “ 才不會有問題

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// index.js
console.log("---------")
console.log(process.argv[2])
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$ node index.js &01
[35] 3164
bash: 01: command not found

$ node index.js &
[36] 15224

$ node index.js "&01"
---------
&01
[35]+  Stopped                 winpty node.exe index.js

process 參數含 ! 使用 “ 會有問題 要改為 ‘

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node challeng.js "lv15?token={ILOVELIdemy!!!}"
	bash: !}: event not found

node challeng.js 'lv15?token={ILOVELIdemy!!!}'
	還真的是我猜的那樣...不過還是要謝謝你幫我們完成這麼多任務！
	......

npm install 一直處於 sill install loadAllDepsIntoIdealTree

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# 不知何時設定 https-proxy, 刪除即 ok
npm config get https-proxy
  http://103.253.27.108:80/
npm config get proxy
  null
npm config delete https-proxy
npm config list
  ; "builtin" config from C:\Users\win10\AppData\Roaming\npm\node_modules\npm\npmrc
  prefix = "C:\\Users\\win10\\AppData\\Roaming\\npm"
  ; "cli" config from command line options
  omit = []
  user-agent = "npm/7.6.3 node/v14.17.0 win32 x64"
  ; node bin location = D:\app\nodejs\node.exe
  ; cwd = D:\work\git\test-npm
  ; HOME = C:\Users\win10
  ; Run `npm config ls -l` to show all defaults.

node.js server 中文亂碼

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// 'Content-Type': 'text/html;charset=utf-8' 修正中文亂碼
// demo_module.js
var http = require('http');
var dt = require('./myfirstmodule');
http.createServer(function (req, res) {
  res.writeHead(200, {'Content-Type': 'text/html;charset=utf-8'});
  res.write("The date and time are currently: " + dt.myDateTime());
  res.end();
}).listen(8080);

// myfirstmodule.js
exports.myDateTime = function () {
  return Date();
};

found vulnerabilities-漏洞

  • 未找到一致解決方法

    9 vulnerabilities (4 low, 5 moderate)
    9 high severity vulnerabilities

body-parser 被標記為棄用(body-parser as deprecated)

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// 原來
const express = require("express");
const bodyParser = require("body-parser");
// app
const app = express();

app.use(bodyParser.json());


// 更新
const express = require("express");
// app
const app = express();

app.use(express.json());

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Commans

Dump version

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npm -v

ping npmjs registry

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npm ping
	npm notice PING https://registry.npmjs.org/
	npm notice PONG 0.358ms

Dump all npm installed models

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npm list
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基本

Dump version

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node -v

simple run js

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// app.js
var msg = "hello World";
console.log(msg);
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node app.js

API 中文文件

OS

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// test1.js
let os = require('os')
console.log(os.platform())
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$ node test1.js
win32

HTTP

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// http_server1.js
let http = require('http');
let server = http.createServer(handleRequest)

function handleRequest(req, res){
	console.log(req.url)
	res.write('hello')
	res.end()
}

server.listen(5000);
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$ node http_server1.js
/
/favicon.ico

Process

process存在於全域性物件上，不需要使用require()載入即可使用

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// const process = require('process')
console.log(process.argv)

File system

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// __dirname 為目前的目錄
let fs = require('fs')
console.log(__dirname)

fs.readFile(__dirname + '/bus921_temp.html', 'utf8',
	(err, data) => {
		parseBusData(data)
		// console.log(data)
	}
)

export my module

export #1

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// myMouble.js - myModule export #1
function double(n) {
	return n * 2
}
module.exports = double
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// test1.js - myModule export #1
let myModule = require('./myModule')
console.log(myModule(3))
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$ node test1.js
6

export #2 (常用)

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// myMouble.js - myModule export #2
function double(n) {
	return n * 2
}

var obj = {
	double: double,
	triple: function(n) {
		return n * 3
	}
}

module.exports = obj
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// test1.js - myModule export #2
let myModule = require('./myModule')
console.log(myModule.double(3), myModule.triple(5))
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$ node test1.js
6 15

HTPP server and client

request - - Simplified HTTP client

install
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npm install request
show status
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const request = require('request');
request('https://github.com/hot5656/AboutMe', function (error, response, body) {
  console.error('error:', error); 
  console.log('statusCode:', response && response.statusCode); 
  // console.log('body:', body); 
});
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$ node request_1.js
error: null
statusCode: 200
get body
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const request = require('request');
request('https://github.com/hot5656/AboutMe', function (error, response, body) {
  // console.error('error:', error); 
  // console.log('statusCode:', response && response.statusCode); 
  console.log('body:', body); 
});
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$ command node request_1.js  > ho5656.html
shwo header
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const request = require('request');
request('https://github.com/hot5656/AboutMe', function (error, response, body) {
	console.log(response.headers)
  // console.log('body:', body); 
});
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$ node request_1.js
{
  server: 'GitHub.com',
  date: 'Wed, 05 May 2021 07:45:16 GMT',
  'content-type': 'text/html; charset=utf-8',
  vary: 'X-PJAX, Accept-Encoding, Accept, X-Requested-With',
  'permissions-policy': 'interest-cohort=()',
  etag: 'W/"6c2b56ff86dccd4690557cb83915b549"',
  'cache-control': 'max-age=0, private, must-revalidate',
  'strict-transport-security': 'max-age=31536000; includeSubdomains; preload',
  'x-frame-options': 'deny',
  'x-content-type-options': 'nosniff',
  'x-xss-protection': '0',
  'referrer-policy': 'no-referrer-when-downgrade',
  'expect-ct': 'max-age=2592000, report-uri="https://api.github.com/_private/browser/errors"',
  'content-security-policy': "default-src 'none'; base-uri 'self'; block-all-mixed-content; connect-src 'self' uploads.g
ithub.com www.githubstatus.com collector.githubapp.com api.github.com github-cloud.s3.amazonaws.com github-production-re
pository-file-5c1aeb.s3.amazonaws.com github-production-upload-manifest-file-7fdce7.s3.amazonaws.com github-production-u
ser-asset-6210df.s3.amazonaws.com cdn.optimizely.com logx.optimizely.com/v1/events wss://alive.github.com *.actions.gith
ubusercontent.com wss://*.actions.githubusercontent.com online.visualstudio.com/api/v1/locations insights.github.com; fo
nt-src github.githubassets.com; form-action 'self' github.com gist.github.com; frame-ancestors 'none'; frame-src render.
githubusercontent.com; img-src 'self' data: github.githubassets.com identicons.github.com collector.githubapp.com github
-cloud.s3.amazonaws.com secured-user-images.githubusercontent.com/ *.githubusercontent.com; manifest-src 'self'; media-s
rc github.com user-images.githubusercontent.com/; script-src github.githubassets.com; style-src 'unsafe-inline' github.g
ithubassets.com; worker-src github.com/socket-worker-3f088aa2.js gist.github.com/socket-worker-3f088aa2.js",
  'set-cookie': [
    '_gh_sess=NI97SaBBGcExrVqC%2FAInwNqd%2FJ8kyr3QWl8aWLyXTQ02WCNaZnTA%2FBLbI9UUPfKJYc6dOc2J8Q9RObRql78r9q3D%2B5tLwpDh0j
a%2FGjn4WsjGm1XH1z7CWvkYyVQfOP%2FQx6n2pm95ePiwSwtITnj27BY7cteKvBzGlMKJNYqVuMzSXcxyMr9Tu4zVG99JDTU6oOOW1WQAPARk2t8Y%2F%2B
SLWBxcIAuEEAoBPH%2FoaBbI0G3IHtvvobWiCQodRvyeXJ30h0qui2ZQs8O8WNTsBdR4Jw%3D%3D--eZlEDQ1ebZKKm2Jh--H8LZRSxWEwmES%2F54qujq%2
Fw%3D%3D; Path=/; HttpOnly; Secure; SameSite=Lax',
    '_octo=GH1.1.1400842276.1620200716; Path=/; Domain=github.com; Expires=Thu, 05 May 2022 07:45:16 GMT; Secure; SameSi
te=Lax',
    'logged_in=no; Path=/; Domain=github.com; Expires=Thu, 05 May 2022 07:45:16 GMT; HttpOnly; Secure; SameSite=Lax'
  ],
  'accept-ranges': 'bytes',
  'transfer-encoding': 'chunked',
  'x-github-request-id': 'F317:1E82:12B4AA:163825:60924D0B',
  connection: 'close'
}

http-server - node.js 內含

example
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// http_server1.js
let http = require('http');
let server = http.createServer(handleRequest)

function handleRequest(req, res){
	console.log(req.url)
	res.write('hello')
	res.end()
}

server.listen(5000);
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$ node http_server1.js
/
/favicon.ico
example 2
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// http_server1.js
let http = require('http');
let server = http.createServer(handleRequest)

function handleRequest(req, res){
	console.log(req.url)
	if (req.url === '/') {
		res.write('welcome')
		res.end()
		return
	} else if (req.url === '/hello') {
		res.write('hello')
		res.end()
		return
	}else if (req.url === '/redirect') {
		res.writeHead(200, {
			'name': 'Robert'
		})
		res.end()
		return
	}else if (req.url === '/redirect2') {
		res.writeHead(302, {
			'location': '/hello'
		})
		res.end()
		return
	}
	res.writeHead(404)
	res.end()
}

server.listen(5000)
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$ node http_server1.js
/
/hello
/redirect
/new
/redirect2

因 Chrome 使用 network monitor 有問題, 改用 Brave 正常

看不到 network monitor 是因為選JS(應選All)
總是有 util.js 和 pagejs.js 是因為 chrome 安裝了 SmartPKI 多憑證安控模組擴充套件