Sha256: a6cedbc96d59cf4024ed9f373274253717f7b04d45e2361c5a5fa09b31e4a2e0
Contents?: true
Size: 994 Bytes
Versions: 17
Compression:
Stored size: 994 Bytes
Contents
'use strict';
// https://github.com/tc39/proposal-iterator-helpers
var $ = require('../internals/export');
var aFunction = require('../internals/a-function');
var anObject = require('../internals/an-object');
var createIteratorProxy = require('../internals/iterator-create-proxy');
var callWithSafeIterationClosing = require('../internals/call-with-safe-iteration-closing');
var IteratorProxy = createIteratorProxy(function (arg) {
var iterator = this.iterator;
var filterer = this.filterer;
var next = this.next;
var result, done, value;
while (true) {
result = anObject(next.call(iterator, arg));
done = this.done = !!result.done;
if (done) return;
value = result.value;
if (callWithSafeIterationClosing(iterator, filterer, value)) return value;
}
});
$({ target: 'Iterator', proto: true, real: true }, {
filter: function filter(filterer) {
return new IteratorProxy({
iterator: anObject(this),
filterer: aFunction(filterer)
});
}
});
Version data entries
17 entries across 16 versions & 6 rubygems