Sha256: 4693ffaacca79e3914a294b3ea9dd780ca630e22168348adef75ea5ef887ba3c
Contents?: true
Size: 854 Bytes
Versions: 12
Compression:
Stored size: 854 Bytes
Contents
'use strict';
var $ = require('../internals/export');
var IS_PURE = require('../internals/is-pure');
var anObject = require('../internals/an-object');
var bind = require('../internals/bind-context');
var getMapIterator = require('../internals/get-map-iterator');
var iterate = require('../internals/iterate');
// `Map.prototype.findKey` method
// https://github.com/tc39/proposal-collection-methods
$({ target: 'Map', proto: true, real: true, forced: IS_PURE }, {
findKey: function findKey(callbackfn /* , thisArg */) {
var map = anObject(this);
var iterator = getMapIterator(map);
var boundFunction = bind(callbackfn, arguments.length > 1 ? arguments[1] : undefined, 3);
return iterate(iterator, function (key, value) {
if (boundFunction(value, key, map)) return iterate.stop(key);
}, undefined, true, true).result;
}
});
Version data entries
12 entries across 12 versions & 4 rubygems