applicationinsights
Version:
Microsoft Application Insights module for Node.js
71 lines • 2.73 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.dispose = exports.enable = void 0;
var Contracts_1 = require("../../Declarations/Contracts");
var Constants_1 = require("../../Declarations/Constants");
var diagnostic_channel_1 = require("diagnostic-channel");
var clients = [];
// Mapping from bunyan levels defined at https://github.com/trentm/node-bunyan/blob/master/lib/bunyan.js#L256
var bunyanToAILevelMap = {
10: Contracts_1.SeverityLevel.Verbose,
20: Contracts_1.SeverityLevel.Verbose,
30: Contracts_1.SeverityLevel.Information,
40: Contracts_1.SeverityLevel.Warning,
50: Contracts_1.SeverityLevel.Error,
60: Contracts_1.SeverityLevel.Critical
};
var subscriber = function (event) {
var message = event.data.result;
var AIlevel = bunyanToAILevelMap[event.data.level];
clients.forEach(function (client) {
try {
// Try to parse message as Bunyan log is JSON
var log = JSON.parse(message);
if (log.err) {
var bunyanError = new Error(log.err.message);
bunyanError.name = log.err.name;
bunyanError.stack = log.err.stack;
if (client.config.enableLoggerErrorToTrace) {
client.trackTrace({ message: message, severity: AIlevel });
return;
}
client.trackException({ exception: bunyanError });
return;
}
}
catch (err) {
// Ignore error
}
client.trackTrace({ message: message, severity: AIlevel });
});
};
function enable(enabled, client) {
if (enabled) {
var clientFound = clients.find(function (c) { return c == client; });
if (clientFound) {
return;
}
if (clients.length === 0) {
diagnostic_channel_1.channel.subscribe("bunyan", subscriber, diagnostic_channel_1.trueFilter, function (module, version) {
var statsbeat = client.getStatsbeat();
if (statsbeat) {
statsbeat.addInstrumentation(Constants_1.StatsbeatInstrumentation.BUNYAN);
}
});
}
clients.push(client);
}
else {
clients = clients.filter(function (c) { return c != client; });
if (clients.length === 0) {
diagnostic_channel_1.channel.unsubscribe("bunyan", subscriber);
}
}
}
exports.enable = enable;
function dispose() {
diagnostic_channel_1.channel.unsubscribe("bunyan", subscriber);
clients = [];
}
exports.dispose = dispose;
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