applicationinsights
Version:
Microsoft Application Insights module for Node.js
122 lines • 4.12 kB
JavaScript
;
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
Object.defineProperty(exports, "__esModule", { value: true });
exports.Util = void 0;
const api_1 = require("@opentelemetry/api");
class Util {
constructor() {
this._listenerAttached = false;
this.isNodeExit = false;
this._addCloseHandler();
}
static getInstance() {
if (!Util._instance) {
Util._instance = new Util();
}
return Util._instance;
}
/**
* helper method to trim strings (IE8 does not implement String.prototype.trim)
*/
trim(str) {
if (typeof str === "string") {
return str.replace(/^\s+|\s+$/g, "");
}
return "";
}
/**
* Check if an object is of type Array
*/
isArray(obj) {
return Object.prototype.toString.call(obj) === "[object Array]";
}
/**
* Check if an object is of type Error
*/
isError(obj) {
return obj instanceof Error;
}
isPrimitive(input) {
const propType = typeof input;
return propType === "string" || propType === "number" || propType === "boolean";
}
/**
* Check if an object is of type Date
*/
isDate(obj) {
return Object.prototype.toString.call(obj) === "[object Date]";
}
/**
* Convert milliseconds to Breeze expected time.
* @internal
*/
msToTimeSpan(ms) {
let totalms = ms;
if (Number.isNaN(totalms) || totalms < 0 || !Number.isFinite(ms)) {
totalms = 0;
}
let sec = ((totalms / 1000) % 60).toFixed(7).replace(/0{0,4}$/, "");
let min = `${Math.floor(totalms / (1000 * 60)) % 60}`;
let hour = `${Math.floor(totalms / (1000 * 60 * 60)) % 24}`;
const days = Math.floor(totalms / (1000 * 60 * 60 * 24));
sec = sec.indexOf(".") < 2 ? `0${sec}` : sec;
min = min.length < 2 ? `0${min}` : min;
hour = hour.length < 2 ? `0${hour}` : hour;
const daysText = days > 0 ? `${days}.` : "";
return `${daysText + hour}:${min}:${sec}`;
}
/**
* Using JSON.stringify, by default Errors do not serialize to something useful:
* Simplify a generic Node Error into a simpler map for customDimensions
* Custom errors can still implement toJSON to override this functionality
*/
extractError(err) {
// Error is often subclassed so may have code OR id properties:
// https://nodejs.org/api/errors.html#errors_error_code
const looseError = err;
return {
message: err.message,
code: looseError.code || looseError.id || "",
};
}
isDbDependency(dependencyType) {
return (dependencyType.indexOf("SQL") > -1 ||
dependencyType === "mysql" ||
dependencyType === "postgresql" ||
dependencyType === "mongodb" ||
dependencyType === "redis");
}
/**
* Returns string representation of an object suitable for diagnostics diag.
*/
dumpObj(object) {
const objectTypeDump = Object["prototype"].toString.call(object);
let propertyValueDump = "";
if (objectTypeDump === "[object Error]") {
propertyValueDump = `{ stack: '${object.stack}', message: '${object.message}', name: '${object.name}'`;
}
else {
propertyValueDump = JSON.stringify(object);
}
return objectTypeDump + propertyValueDump;
}
stringify(payload) {
try {
return JSON.stringify(payload);
}
catch (error) {
api_1.diag.warn("Failed to serialize payload", error, payload);
}
}
_addCloseHandler() {
if (!this._listenerAttached) {
process.on("exit", () => {
this.isNodeExit = true;
});
this._listenerAttached = true;
}
}
}
exports.Util = Util;
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