container.ts/modules/log/RollbarLog.js

Modular application framework

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const assert = require("assert");
const container_1 = require("../../container");
const Process_1 = require("../process/Process");
const Log_1 = require("./Log");
// Rollbar does not have defined types.
const ROLLBAR = require("rollbar");
// TODO: Validation library.
exports.ENV_ROLLBAR_ACCESS_TOKEN = "ROLLBAR_ACCESS_TOKEN";
exports.ENV_ROLLBAR_REPORT_LEVEL = "ROLLBAR_REPORT_LEVEL";
class RollbarLog extends Log_1.Log {
    constructor(name, opts) {
        super(name, opts, { _process: Process_1.Process.name });
        // Get Node environment value.
        const environment = this._process.nodeEnvironment;
        this.debug(`environment '${environment}'`);
        // Get access token from environment.
        const accessToken = this.environment.get(exports.ENV_ROLLBAR_ACCESS_TOKEN);
        assert(accessToken != null, "Rollbar access token is undefined");
        // Get report level from environment or fall back on log level.
        const rawReportLevel = this.environment.get(exports.ENV_ROLLBAR_REPORT_LEVEL);
        const reportLevel = this.reportLevel(rawReportLevel);
        this.debug(`reportLevel '${reportLevel}'`);
        // Create Rollbar instance.
        // Report level determined by module log level.
        // Handle uncaught exceptions and unhandled rejections by default.
        // Uncaught errors have 'critical' level by default.
        this._rollbar = new ROLLBAR({
            environment,
            accessToken,
            reportLevel,
            handleUncaughtExceptions: true,
            handleUnhandledRejections: true,
            uncaughtErrorLevel: "critical",
        });
    }
    /** Rollbar handler for incoming log messages. */
    handleLog(log) {
        const callback = this.handlerError.bind(this);
        // Map log level to rollbar log methods.
        switch (log.level) {
            case container_1.ELogLevel.Emergency:
            case container_1.ELogLevel.Alert:
            case container_1.ELogLevel.Critical: {
                this._rollbar.critical(log.message, log.metadata, ...log.args, callback);
                break;
            }
            case container_1.ELogLevel.Error: {
                this._rollbar.error(log.message, log.metadata, ...log.args, callback);
                break;
            }
            case container_1.ELogLevel.Warning: {
                this._rollbar.warning(log.message, log.metadata, ...log.args, callback);
                break;
            }
            case container_1.ELogLevel.Notice:
            case container_1.ELogLevel.Informational: {
                this._rollbar.info(log.message, log.metadata, ...log.args, callback);
                break;
            }
            case container_1.ELogLevel.Debug: {
                this._rollbar.debug(log.message, log.metadata, ...log.args, callback);
                break;
            }
        }
    }
    /** Rollbar error handler callback. */
    handlerError(error) {
        if (error != null) {
            process.stderr.write(String(error));
        }
    }
    /** Return rollbar report level. */
    reportLevel(value) {
        let level;
        if (value != null) {
            level = this.parseLevel(value);
        }
        else {
            level = this.level;
        }
        switch (level) {
            case container_1.ELogLevel.Emergency:
            case container_1.ELogLevel.Alert:
            case container_1.ELogLevel.Critical: {
                return "critical";
            }
            case container_1.ELogLevel.Error: {
                return "error";
            }
            case container_1.ELogLevel.Warning: {
                return "warning";
            }
            case container_1.ELogLevel.Notice:
            case container_1.ELogLevel.Informational: {
                return "info";
            }
            case container_1.ELogLevel.Debug: {
                return "debug";
            }
            default: {
                return "error";
            }
        }
    }
}
exports.RollbarLog = RollbarLog;
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