/TypeScript/Trim undefined keys from object typescript

Trim undefined keys from object typescript

Js remove undefined from object

Object.keys(obj).forEach(key => obj[key] === undefined && delete obj[key])

Source: stackoverflow.com

Trim undefined keys from object typescript

const obj = {
  a: 1,
  b: undefined
}

// pure functional approach without side-effects
const newObject = Object.keys(obj).reduce((acc, key) => {
  const _acc = acc;
  if (obj[key] !== undefined) _acc[key] = obj[key];
  return _acc;
}, {})

console.log(newObject)
// Object {a: 1}

Source: stackoverflow.com

Similar codes

0 vote196 views1 answer
What is the reason we are using properties file
TypeScript
1 vote165 views2 answers
Benefits of linux
TypeScript
0 vote242 views1 answer
Downgrade typescript version
TypeScript
0 vote270 views1 answer
Error NG8002: Can't bind to 'ngbCollapse' since it isn't a known property of 'ul'.
TypeScript
0 vote195 views1 answer
Mongoose model enum
TypeScript
0 vote215 views1 answer
Css how to create gradients on text stroke
TypeScript
8 votes212 views2 answers
Comment on blade laravel
TypeScript
0 vote183 views1 answer
Wordpress get_posts custom posts by meta key
TypeScript
0 vote197 views1 answer
First k digits of n*n
TypeScript
1 vote190 views1 answer
Its getting abort when im trying to open the webcame using opencv
TypeScript