41 lines
905 B
JavaScript
41 lines
905 B
JavaScript
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// used to set a flash message for next request
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exports.flash = function() {
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return function(req, res, next) {
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if (req.flash) {
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return next();
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}
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req.flash = _flash;
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next();
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};
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};
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// used on new requests to check for flash messages stored in session
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exports.flashRead = function() {
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return function(req, res, next) {
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if (typeof req.session.flash !== 'undefined') {
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res.locals.flash = req.session.flash;
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}
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next();
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};
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};
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/**
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* Sets a session-based flash message.
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*
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* @this req
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* @param {string} type - user-defined type of flash message
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* @param {string} msg - message to be displayed to the user
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*/
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function _flash(type, msg) {
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// verify that express-session has been enabled
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if (this.session === undefined) throw Error('req.flash() requires sessions');
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// set session properties
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this.session.flash = {
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type: type,
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msg: msg,
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};
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}
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