mirror of
https://github.com/Ylianst/MeshAgent
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41 lines
1.2 KiB
JavaScript
41 lines
1.2 KiB
JavaScript
/*
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Copyright 2020 Intel Corporation
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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var Writable = require('stream').Writable;
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function create(useCRC32c)
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{
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var ret = new Writable(
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{
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write: function (chunk, flush)
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{
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this._current = this._CRC32C ? crc32c(chunk, this._current) : crc32(chunk, this._current);
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flush();
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},
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final: function (flush)
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{
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flush();
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}
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});
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ret._current = 0;
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ret._CRC32C = useCRC32c ? true : false;
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Object.defineProperty(ret, 'value', { get: function () { return (this._current); } });
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return (ret);
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}
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module.exports = { create: create };
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