@opentelemetry/otlp-transformer
Version:
Transform OpenTelemetry SDK data into OTLP
38 lines • 1.23 kB
JavaScript
/*
* Copyright The OpenTelemetry Authors
*
* 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
*
* https://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.
*/
function intValue(charCode) {
// 0-9
if (charCode >= 48 && charCode <= 57) {
return charCode - 48;
}
// a-f
if (charCode >= 97 && charCode <= 102) {
return charCode - 87;
}
// A-F
return charCode - 55;
}
export function hexToBinary(hexStr) {
const buf = new Uint8Array(hexStr.length / 2);
let offset = 0;
for (let i = 0; i < hexStr.length; i += 2) {
const hi = intValue(hexStr.charCodeAt(i));
const lo = intValue(hexStr.charCodeAt(i + 1));
buf[offset++] = (hi << 4) | lo;
}
return buf;
}
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