Sha256: d5a26b415fea1dd05bbd6cf94a5f8f23d803d735089a1eb4eae44185b574b5bd
Contents?: true
Size: 1.72 KB
Versions: 19
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Stored size: 1.72 KB
Contents
'use strict';
var path = require('../internals/path');
var aFunction = require('../internals/a-function');
var anObject = require('../internals/an-object');
var create = require('../internals/object-create');
var createNonEnumerableProperty = require('../internals/create-non-enumerable-property');
var redefineAll = require('../internals/redefine-all');
var wellKnownSymbol = require('../internals/well-known-symbol');
var InternalStateModule = require('../internals/internal-state');
var setInternalState = InternalStateModule.set;
var getInternalState = InternalStateModule.get;
var TO_STRING_TAG = wellKnownSymbol('toStringTag');
var $return = function (value) {
var iterator = getInternalState(this).iterator;
var $$return = iterator['return'];
return $$return === undefined ? { done: true, value: value } : anObject($$return.call(iterator, value));
};
var $throw = function (value) {
var iterator = getInternalState(this).iterator;
var $$throw = iterator['throw'];
if ($$throw === undefined) throw value;
return $$throw.call(iterator, value);
};
module.exports = function (nextHandler, IS_ITERATOR) {
var IteratorProxy = function Iterator(state) {
state.next = aFunction(state.iterator.next);
state.done = false;
setInternalState(this, state);
};
IteratorProxy.prototype = redefineAll(create(path.Iterator.prototype), {
next: function next() {
var state = getInternalState(this);
var result = state.done ? undefined : nextHandler.apply(state, arguments);
return { done: state.done, value: result };
},
'return': $return,
'throw': $throw
});
if (!IS_ITERATOR) {
createNonEnumerableProperty(IteratorProxy.prototype, TO_STRING_TAG, 'Generator');
}
return IteratorProxy;
};
Version data entries
19 entries across 18 versions & 7 rubygems