yangxin1994 / empty-trim

npm module for deleting empty subobjects from deep objects

empty-trim

A module to remove empty subobjects from given object recursively.

Installation

With npm

npm install empty-trim

Example

var trim = require('trim-empty');
var obj = {
  level1:{
    level2:{
      level3:{
        name: "Foo"
      },
      emptyOne: {
        inner: {}
      }
    },
    anotherLevel2: "bar"
  }
};

trim(obj); 
/*
Object now:
obj => {
  level1:{
    level2:{
      level3:{
        name: "Foo"
      }
    },
    anotherLevel2: "bar"
  }
}
*/

API

trim(object);

Removes all empty objects({}) recursively. If object becomes empty after its children are removed, it'll remove empty parent too.