moy-fp/src/Object/omitBy.js

A functional programming library.

import curry from '../Function/curry'

/**
 * ((v, k) -> Boolean) -> {k: v} -> {k: v}
 */
const omitBy = curry(
  (fn, obj) => {
    const result = {},
          entries = Object.entries(obj)
    for(let [key, value] of entries){
      if(!fn(value, key)){
        result[key] = value
      }
    }
    return result
  }
)

export default omitBy