Extend nodejs util api, and it is light weight and simple.

var util = require('utils-extend'); 

npm install utils-extend --save 

Extend api in nodejs util module,

Deep clone soure object to target

var target = {}; var source = { k: 'v', k2: [] }; var source2 = { k3: { } }; util.extend(target, source, source2);

Check target is object, array and function return false.

Chck target is array

uitl.isArray = Array.isArray 

Empty function

Make array unique.

var arr = [4, 5, 5, 6]; var result = uitl.unique(arr); 

Return a copy of the object with list keys

util.pick({ key: 'value' }, 'key'); util.pick({ key: 'value' }, function(value, key, object) { });

Escapes a string for insertion into HTML, replacing &, <, >, ", `, and ' characters.

var html = '<div></div>' var result = util.escape('<div></div>')

The opposite of escape

Return true is path isabsolute, otherwise return false.

util.path.isAbsolute('C:\\file\\path'); // windows util.path.isAbsolute('/file/path'); // unix 

Normalize \ paths to / paths.