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-rw-r--r--node_modules/core-js/modules/esnext.iterator.reduce.js25
1 files changed, 25 insertions, 0 deletions
diff --git a/node_modules/core-js/modules/esnext.iterator.reduce.js b/node_modules/core-js/modules/esnext.iterator.reduce.js
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+++ b/node_modules/core-js/modules/esnext.iterator.reduce.js
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+'use strict';
+// https://github.com/tc39/proposal-iterator-helpers
+var $ = require('../internals/export');
+var iterate = require('../internals/iterate');
+var aFunction = require('../internals/a-function');
+var anObject = require('../internals/an-object');
+
+$({ target: 'Iterator', proto: true, real: true }, {
+ reduce: function reduce(reducer /* , initialValue */) {
+ anObject(this);
+ aFunction(reducer);
+ var noInitial = arguments.length < 2;
+ var accumulator = noInitial ? undefined : arguments[1];
+ iterate(this, function (value) {
+ if (noInitial) {
+ noInitial = false;
+ accumulator = value;
+ } else {
+ accumulator = reducer(accumulator, value);
+ }
+ }, { IS_ITERATOR: true });
+ if (noInitial) throw TypeError('Reduce of empty iterator with no initial value');
+ return accumulator;
+ }
+});