@opentelemetry/instrumentation
Version:
Base class for node which OpenTelemetry instrumentation modules extend
80 lines • 2.56 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.
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.isWrapped = exports.safeExecuteInTheMiddleAsync = exports.safeExecuteInTheMiddle = void 0;
/**
* function to execute patched function and being able to catch errors
* @param execute - function to be executed
* @param onFinish - callback to run when execute finishes
*/
function safeExecuteInTheMiddle(execute, onFinish, preventThrowingError) {
let error;
let result;
try {
result = execute();
}
catch (e) {
error = e;
}
finally {
onFinish(error, result);
if (error && !preventThrowingError) {
// eslint-disable-next-line no-unsafe-finally
throw error;
}
// eslint-disable-next-line no-unsafe-finally
return result;
}
}
exports.safeExecuteInTheMiddle = safeExecuteInTheMiddle;
/**
* Async function to execute patched function and being able to catch errors
* @param execute - function to be executed
* @param onFinish - callback to run when execute finishes
*/
async function safeExecuteInTheMiddleAsync(execute, onFinish, preventThrowingError) {
let error;
let result;
try {
result = await execute();
}
catch (e) {
error = e;
}
finally {
onFinish(error, result);
if (error && !preventThrowingError) {
// eslint-disable-next-line no-unsafe-finally
throw error;
}
// eslint-disable-next-line no-unsafe-finally
return result;
}
}
exports.safeExecuteInTheMiddleAsync = safeExecuteInTheMiddleAsync;
/**
* Checks if certain function has been already wrapped
* @param func
*/
function isWrapped(func) {
return (typeof func === 'function' &&
typeof func.__original === 'function' &&
typeof func.__unwrap === 'function' &&
func.__wrapped === true);
}
exports.isWrapped = isWrapped;
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