core-js
Version:
Standard library
16 lines (13 loc) • 707 B
JavaScript
// TODO: Remove from `core-js@4`
var ArrayBufferViewCore = require('../internals/array-buffer-view-core');
var $group = require('../internals/array-group');
var aTypedArray = ArrayBufferViewCore.aTypedArray;
var getTypedArrayConstructor = ArrayBufferViewCore.getTypedArrayConstructor;
var exportTypedArrayMethod = ArrayBufferViewCore.exportTypedArrayMethod;
// `%TypedArray%.prototype.groupBy` method
// https://github.com/tc39/proposal-array-grouping
exportTypedArrayMethod('groupBy', function groupBy(callbackfn /* , thisArg */) {
var thisArg = arguments.length > 1 ? arguments[1] : undefined;
return $group(aTypedArray(this), callbackfn, thisArg, getTypedArrayConstructor);
}, true);
;