@opentelemetry/core
Version:
OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.
53 lines • 1.6 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.hexToBase64 = void 0;
/*
* 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;
}
const buf8 = Buffer.alloc(8);
const buf16 = Buffer.alloc(16);
function hexToBase64(hexStr) {
let buf;
if (hexStr.length === 16) {
buf = buf8;
}
else if (hexStr.length === 32) {
buf = buf16;
}
else {
buf = Buffer.alloc(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.writeUInt8((hi << 4) | lo, offset++);
}
return buf.toString('base64');
}
exports.hexToBase64 = hexToBase64;
//# sourceMappingURL=hex-to-base64.js.map