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NPM

Node.js Package Manager

Alternative​

scripts in sequence​

Works on Linux and Windows

{
  "scripts" : {
    "build.js" : "...",
    "build.css" : "...",
    "build" : "npm run build.js && npm run build.css"
  }
}

scrtips in parallel​

On Linux

{
  "scripts" : {
    "watch.js" : "...",
    "watch.css" : "...",
    "watch" : "npm run watch.js & npm run watch.css"
  }
}

On Linux and Windows

npm i concurrently --save-dev
concurrently "npm:watch.js" "npm:watch.css"

# or

concurrently "npm:watch.*"
{
  "scripts" : {
    "watch.js" : "...",
    "watch.css" : "...",
    "watch" : "concurrently 'npm:watch.*'"
  }
}

yarn run​

yarn run <command> will execute the first match of

  • scripts field from local package.json
  • the local workspace's dependencies binary
  • the specified name contains a colon character and one of the workspaces in the project contains exactly one script with a matching name

npx​

npx <command> will execute the first match of

  • <command> exists in PATH
  • the local project binaries
  • If <command> is not found, it will be installed prior to execution