applicationinsights
Version:
Microsoft Application Insights module for Node.js
83 lines • 3.29 kB
JavaScript
;
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT license.
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.EtwWriter = void 0;
const fs = __importStar(require("fs"));
const path = __importStar(require("path"));
const util_1 = require("../../../shared/util");
class EtwWriter {
constructor() {
const nodeMajVer = parseInt(process.versions.node.split('.')[0], 10);
try {
this._etwModule = this._loadEtwModule(nodeMajVer);
if (this._etwModule) {
console.log('AppInsightsAgent: Successfully loaded ETW');
}
else {
console.log('AppInsightsAgent: ETW could not be loaded');
}
}
catch (e) {
console.log('Could not load ETW. Defaulting to console logging', e);
this._etwModule = undefined;
}
}
log(message, optional) {
if (this._etwModule) {
// eslint-disable-next-line @typescript-eslint/ban-types
this._etwModule.logInfoEvent(message, ...optional);
}
else {
console.log(util_1.Util.getInstance().stringify(message));
}
}
error(message, optional) {
if (this._etwModule) {
// eslint-disable-next-line @typescript-eslint/ban-types
this._etwModule.logErrEvent(message, ...optional);
}
else {
console.error(util_1.Util.getInstance().stringify(message));
}
}
_loadEtwModule(nodeMajVer) {
// Try to load precompiled ETW module if it exists and is "importable"
const dirname = path.join(__dirname, '../../../../../../../etw', `etw_${nodeMajVer}`);
try {
// throws an error if directory is not readable / does not exist
fs.accessSync(dirname, fs.constants.R_OK);
// eslint-disable-next-line @typescript-eslint/no-var-requires
return require(dirname);
}
catch (e) {
// Could not load ETW, return nothing
return undefined;
}
}
}
exports.EtwWriter = EtwWriter;
//# sourceMappingURL=etwWriter.js.map