module.exports = function array_intersect_assoc(arr1) { // discuss at: https://locutus.io/php/array_intersect_assoc/ // original by: Brett Zamir (https://brett-zamir.me) // note 1: These only output associative arrays (would need to be // note 1: all numeric and counting from zero to be numeric) // example 1: var $array1 = {a: 'green', b: 'brown', c: 'blue', 0: 'red'} // example 1: var $array2 = {a: 'green', 0: 'yellow', 1: 'red'} // example 1: array_intersect_assoc($array1, $array2) // returns 1: {a: 'green'} const retArr = {} const argl = arguments.length const arglm1 = argl - 1 let k1 = '' let arr = {} let i = 0 let k = '' arr1keys: for (k1 in arr1) { arrs: for (i = 1; i < argl; i++) { arr = arguments[i] for (k in arr) { if (arr[k] === arr1[k1] && k === k1) { if (i === arglm1) { retArr[k1] = arr1[k1] } // If the innermost loop always leads at least once to an equal value, // continue the loop until done continue arrs // eslint-disable-line no-labels } } // If it reaches here, it wasn't found in at least one array, so try next value continue arr1keys // eslint-disable-line no-labels } } return retArr }