@opentelemetry/core/build/esm/platform/node/hex-to-base64.js

OpenTelemetry Core provides constants and utilities shared by all OpenTelemetry SDK packages.

/*
 * 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;
}
var buf8 = Buffer.alloc(8);
var buf16 = Buffer.alloc(16);
export function hexToBase64(hexStr) {
    var buf;
    if (hexStr.length === 16) {
        buf = buf8;
    }
    else if (hexStr.length === 32) {
        buf = buf16;
    }
    else {
        buf = Buffer.alloc(hexStr.length / 2);
    }
    var offset = 0;
    for (var i = 0; i < hexStr.length; i += 2) {
        var hi = intValue(hexStr.charCodeAt(i));
        var lo = intValue(hexStr.charCodeAt(i + 1));
        buf.writeUInt8((hi << 4) | lo, offset++);
    }
    return buf.toString('base64');
}
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