| 1 |
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| 2 | var assert = require('assert')
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| 3 |
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| 4 | module.exports = function () {
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| 5 | return function (req, res, next) {
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| 6 | assert(req.session, 'a req.session is required!')
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| 7 | res.locals.flash = req.session.flash = req.session.flash || []
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| 8 | req.flash = res.flash = push
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| 9 | next()
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| 10 | }
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| 11 | }
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| 12 |
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| 13 | function push(type, msg) {
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| 14 | if (!msg) {
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| 15 | msg = type
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| 16 | type = 'info'
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| 17 | }
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| 18 | var res = this.res || this
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| 19 | res.locals.flash.push({
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| 20 | type: type,
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| 21 | message: msg,
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| 22 | })
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| 23 | return this
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| 24 | }
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