[Node.js] npm init && npm install
2024-10-11 17:32:10
npm init:
For create package.json file which will recode the dependence.
npm install:
You can also write like:
npm i
This is a shortcut way to write npm install.
For example. we want to install undersocre.js
npm install -S underscore
The way '-S' works is it will write down the dependence into the package.json we just create:
{
"name": "commonJSBroswerfiy",
"version": "0.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "MIT",
"dependencies": {
"underscore": "^1.7.0"
}
}
dev-dependence:
npm install -D bower
'-D' is to add dependence into devdependence which only available for the co-work.
{
"name": "commonJSBroswerfiy",
"version": "0.0.0",
"description": "",
"main": "index.js",
"scripts": {
"test": "echo \"Error: no test specified\" && exit 1"
},
"author": "",
"license": "MIT",
"dependencies": {
"underscore": "^1.7.0"
},
"devDependencies": {
"bower": "^1.3.12"
}
}
If we have package.json, other people download our project and they just need to run:
npm i
They can install all the dependence.
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