Ghost/core/shared/errorHandling.js

(function () {
    "use strict";

    var _ = require('underscore'),
        errors;

    /**
     * Basic error handling helpers
     */
    errors = {
        throwError: function (err) {
            if (!err) {
                err = new Error("An error occurred");
            }

            if (_.isString(err)) {
                throw new Error(err);
            }

            throw err;
        },

        logError: function (err) {
            err = err || "Unknown";
            // TODO: Logging framework hookup
            console.log("Error occurred: ", err.message || err);
        },

        logAndThrowError: function (err) {
            this.logError(err);

            this.throwError(err);
        },

        logErrorWithMessage: function (msg) {
            var self = this;

            return function () {
                self.logError(msg);
            };
        },

        logErrorWithRedirect: function (msg, redirectTo, req, res) {
            var self = this;

            return function () {
                self.logError(msg);

                if (_.isFunction(res.redirect)) {
                    res.redirect(redirectTo);
                }
            };
        }
    };

    // Ensure our 'this' context in the functions
    _.bindAll(errors, "throwError", "logError", "logAndThrowError", "logErrorWithMessage", "logErrorWithRedirect");

    module.exports = errors;
}());