berror/build/berror.js

Simple error handling

"use strict";
var __extends = (this && this.__extends) || (function () {
    var extendStatics = function (d, b) {
        extendStatics = Object.setPrototypeOf ||
            ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
            function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
        return extendStatics(d, b);
    };
    return function (d, b) {
        extendStatics(d, b);
        function __() { this.constructor = d; }
        d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
    };
})();
var __assign = (this && this.__assign) || function () {
    __assign = Object.assign || function(t) {
        for (var s, i = 1, n = arguments.length; i < n; i++) {
            s = arguments[i];
            for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
                t[p] = s[p];
        }
        return t;
    };
    return __assign.apply(this, arguments);
};
Object.defineProperty(exports, "__esModule", { value: true });
var BError = /** @class */ (function (_super) {
    __extends(BError, _super);
    function BError(msg, cause, metadata) {
        var _this = _super.call(this, msg) || this;
        _this.metadata = metadata;
        _this.firstStack = undefined;
        // Workaround for https://github.com/Microsoft/TypeScript/wiki/Breaking-Changes#extending-built-ins-like-error-array-and-map-may-no-longer-work
        Object.setPrototypeOf(_this, BError.prototype);
        if (cause != undefined) {
            var subMessage = cause instanceof Error
                ? cause.message
                : "non-error object thrown: " + JSON.stringify(cause);
            _this.message = _this.message + ": " + subMessage;
            if (!_this.firstStack) {
                _this.firstStack = cause.stack;
            }
        }
        _this.stack = _this.firstStack;
        _this.metadata = __assign(__assign({}, (cause instanceof BError ? cause.metadata : {})), metadata);
        return _this;
    }
    BError.prototype.log = function () {
        var args = [];
        for (var _i = 0; _i < arguments.length; _i++) {
            args[_i] = arguments[_i];
        }
        var noMetadata = !this.metadata || Object.entries(this.metadata).length === 0;
        if (noMetadata) {
            console.error(this.message);
        }
        else {
            console.error(this.message, this.metadata);
        }
    };
    return BError;
}(Error));
exports.BError = BError;