npm npm scripts
Syntax
- The "scripts" property in
package.jsonallows you to run npm packages locally. - The
"karma": "karma"script references thekarmashell script is thenode_modules/.bindirectory. This reference needs to be grab and an alias needs to be applied to it in order to be used in other npm scripts, such as"test": "karma start".
Remarks
Pre-recognized scripts
prepublish: Run before the package is publishedpublish,postpublish: Run after the package is publishedpreinstall: Run before the package is installedinstall,postinstall: Run after the package is installedpreversion,version: Run before bump the package versionpostversion: Run after bump the package versionpretest,test,posttest: Run by thenpm testcommandprestop,stop,poststop: Run by thenpm stopcommandprestart,start,poststart: Run by thenpm startcommandprerestart,restart,postrestart: Run by thenpm restartcommand. Note:npm restartwill run the stop and start scripts if norestartscript is provided.
It can be deduced that the "scripts" property in package.json is a very powerful tool. It can be used as a build tool, similar to the likes of Grunt and Gulp, but with over 250,000 packages available. NPM scripts runs npm packages installed locally to your project from the node_modules/.bin directory.
