preface

May often forget some commands, record the basic command standby their query, there is a new update, save often go to the network search

1. Basic operations

// Node installation usually comes with NPM to check whether the installation is successful
npm -v  / / 6.14.6
npm i // Initialize the project // short for NPM install
npm i ${package} // Install project dependencies
npm i ${package} -g // Global installation
npm i ${package@2.0. 0} // Install the specified version
// NPM is too slow? Switch CNPM Taobao image
npm install -g cnpm --registry=https://registry.npm.taobao.org 

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  • Tips1: MAC bro added in front of NPM during global installationsudo
  • Tips2: Installation error, often exit in the middle of the installation and continue the installation error, this is due to cache.
npm cache clean --force
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  • Tips3: –save-dev and –save

    Install to the development environment

    npm i ${package} --save-devOr use the -d

    package.json 的devDependenciesInside is the project development environment needs to depend on.devDependenciesRepresents modules required for project development

    Install it in the production environment

    npm i ${package} --saveOr use the -spackage.json 的dependenciesInside are the dependencies needed for the project’s production run.dependenciesRepresents the module on which the project runs

2. Dependence on addition, deletion and modification

  • Upgrade depend on
npm update vue // Take vue as an example
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  • Delete rely on
npm uninstall vue // Take vue as an example
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  • Update all project dependencies

Install NPM install -g npm-check-updates or npm-check updates

ncu // View updatable dependencies under the project
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3. Project operation and packaging

View scripts in package.json and run the command

// Take my VUE project for example
npm run serve // Run the project
npm run build // Package the project
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More order please refer to the link docs.npmjs.com/cli/v8/comm…