@opentelemetry/sdk-metrics
Version:
141 lines • 4.84 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.equalsCaseInsensitive = exports.binarySearchUB = exports.setEquals = exports.isPromiseAllSettledRejectionResult = exports.PromiseAllSettled = exports.callWithTimeout = exports.TimeoutError = exports.instrumentationScopeId = exports.hashAttributes = void 0;
/**
* Converting the unordered attributes into unique identifier string.
* @param attributes user provided unordered Attributes.
*/
function hashAttributes(attributes) {
let keys = Object.keys(attributes);
if (keys.length === 0)
return '';
// Return a string that is stable on key orders.
keys = keys.sort();
return JSON.stringify(keys.map(key => [key, attributes[key]]));
}
exports.hashAttributes = hashAttributes;
/**
* Converting the instrumentation scope object to a unique identifier string.
* @param instrumentationScope
*/
function instrumentationScopeId(instrumentationScope) {
return `${instrumentationScope.name}:${instrumentationScope.version ?? ''}:${instrumentationScope.schemaUrl ?? ''}`;
}
exports.instrumentationScopeId = instrumentationScopeId;
/**
* Error that is thrown on timeouts.
*/
class TimeoutError extends Error {
constructor(message) {
super(message);
// manually adjust prototype to retain `instanceof` functionality when targeting ES5, see:
// https://github.com/Microsoft/TypeScript-wiki/blob/main/Breaking-Changes.md#extending-built-ins-like-error-array-and-map-may-no-longer-work
Object.setPrototypeOf(this, TimeoutError.prototype);
}
}
exports.TimeoutError = TimeoutError;
/**
* Adds a timeout to a promise and rejects if the specified timeout has elapsed. Also rejects if the specified promise
* rejects, and resolves if the specified promise resolves.
*
* <p> NOTE: this operation will continue even after it throws a {@link TimeoutError}.
*
* @param promise promise to use with timeout.
* @param timeout the timeout in milliseconds until the returned promise is rejected.
*/
function callWithTimeout(promise, timeout) {
let timeoutHandle;
const timeoutPromise = new Promise(function timeoutFunction(_resolve, reject) {
timeoutHandle = setTimeout(function timeoutHandler() {
reject(new TimeoutError('Operation timed out.'));
}, timeout);
});
return Promise.race([promise, timeoutPromise]).then(result => {
clearTimeout(timeoutHandle);
return result;
}, reason => {
clearTimeout(timeoutHandle);
throw reason;
});
}
exports.callWithTimeout = callWithTimeout;
/**
* Node.js v12.9 lower and browser compatible `Promise.allSettled`.
*/
async function PromiseAllSettled(promises) {
return Promise.all(promises.map(async (p) => {
try {
const ret = await p;
return {
status: 'fulfilled',
value: ret,
};
}
catch (e) {
return {
status: 'rejected',
reason: e,
};
}
}));
}
exports.PromiseAllSettled = PromiseAllSettled;
function isPromiseAllSettledRejectionResult(it) {
return it.status === 'rejected';
}
exports.isPromiseAllSettledRejectionResult = isPromiseAllSettledRejectionResult;
function setEquals(lhs, rhs) {
if (lhs.size !== rhs.size) {
return false;
}
for (const item of lhs) {
if (!rhs.has(item)) {
return false;
}
}
return true;
}
exports.setEquals = setEquals;
/**
* Binary search the sorted array to the find upper bound for the value.
* @param arr
* @param value
* @returns
*/
function binarySearchUB(arr, value) {
let lo = 0;
let hi = arr.length - 1;
let ret = arr.length;
while (hi >= lo) {
const mid = lo + Math.trunc((hi - lo) / 2);
if (arr[mid] < value) {
lo = mid + 1;
}
else {
ret = mid;
hi = mid - 1;
}
}
return ret;
}
exports.binarySearchUB = binarySearchUB;
function equalsCaseInsensitive(lhs, rhs) {
return lhs.toLowerCase() === rhs.toLowerCase();
}
exports.equalsCaseInsensitive = equalsCaseInsensitive;
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