@lightbend/akkaserverless-javascript-sdk
Version:
Akka Serverless JavaScript SDK
42 lines • 1.22 kB
JavaScript
;
/*
* Copyright 2021 Lightbend Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
// Internal utility functions for iterators
// Map an iterator to a new iterator
function map(iter, f) {
const mapped = {
[Symbol.iterator]: () => mapped,
next: () => {
const next = iter.next();
if (next.done) {
return {
done: true,
};
}
else {
return {
value: f(next.value),
done: false,
};
}
},
};
return mapped;
}
module.exports = {
map: map,
};
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