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node_modules/core-js/modules/esnext.set.reduce.js
28 строк
925 B
1lostsun
initial commit
05 май 2025, 11:35
05 май 2025, 11:35
fe8f535
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'use strict'; var $ = require('../internals/export'); var aCallable = require('../internals/a-callable'); var aSet = require('../internals/a-set'); var iterate = require('../internals/set-iterate'); var $TypeError = TypeError; // `Set.prototype.reduce` method // https://github.com/tc39/proposal-collection-methods $({ target: 'Set', proto: true, real: true, forced: true }, { reduce: function reduce(callbackfn /* , initialValue */) { var set = aSet(this); var noInitial = arguments.length < 2; var accumulator = noInitial ? undefined : arguments[1]; aCallable(callbackfn); iterate(set, function (value) { if (noInitial) { noInitial = false; accumulator = value; } else { accumulator = callbackfn(accumulator, value, value, set); } }); if (noInitial) throw new $TypeError('Reduce of empty set with no initial value'); return accumulator; } });