propNotEq.js

import { propEq, complement } from 'ramda';

/**
 * Returns true if the specified object property is not equal,
 * in R.equals terms, to the given value; false otherwise.
 *
 * @func propNotEq
 * @memberOf RA
 * @since {@link https://char0n.github.io/ramda-adjunct/2.3.0|v2.3.0}
 * @category Relation
 * @sig  String -> a -> Object -> Boolean
 * @param {String} name The property to pick
 * @param {a} val The value to compare to
 * @param {Object} object The object, that presumably contains value under the property
 * @return {boolean} Comparison result
 * @see {@link http://ramdajs.com/docs/#propEq|R.propEq}
 * @example
 *
 * const abby = { name: 'Abby', age: 7, hair: 'blond' };
 * const fred = { name: 'Fred', age: 12, hair: 'brown' };
 * const rusty = { name: 'Rusty', age: 10, hair: 'brown' };
 * const alois = { name: 'Alois', age: 15, disposition: 'surly' };
 * const kids = [abby, fred, rusty, alois];
 * const hasNotBrownHair = RA.propNotEq('hair', 'brown');
 *
 * R.filter(hasNotBrownHair, kids); //=> [abby, alois]
 */
const propNotEq = complement(propEq);

export default propNotEq;