node-jscover

node-jscover - - A JavaScript code coverage measurement tool

node version of JSCover. only support file system instrument.

use command line tools

• install jscover globally

  npm install node-jscover -g

• instrument supplied directory of javascript files(/lib) and save result to another directory(/out)

  jscover -d /lib -o /out
  

  similar to java version:

  java -jar JSCover-all.jar -fs /lib /out
  

• all arguments

short name	full name	type	default	description
-d	--dir	String		directory of javascript source files
-o	--out	String		destination directory of instrumented javascript source files
-f	--front	Boolean	false	whether output JSCover front-end files to destination directory

usage doc

https://github.com/yiminghe/node-jscover/blob/master/docs/usage.md

use api

• install jscover locally

  npm install node-jscover

• get jscover

  var jscover = require('node-jscover');

method

String instrument(String code, String fileName): return instrumented code

name	type	description
code	String	code to be instrumented
fileName	String	fileName of code

example

var jscover = require('node-jscover');
console.log(jscover.instrument('var x=1;','test.js'));
// ->  _$jscoverage['test.js'].lineData[0]++;
// ->  var x = 1;

example

changelog

0.6.0

• add console reporter for mocha and jasmine: /lib/reporters/...

0.5.0

• change function count format: https://github.com/yiminghe/node-jscover/issues/1

0.4.0

• compatible with jscover
• support function count