June 2021
Intermediate to advanced
290 pages
9h 21m
Chinese
Content preview from Node与Express开发（第2版）
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module.exports = {
resetValidation(req, res, next) {
const { cart } = req.session
if(cart) cart.warnings = cart.errors = []
next()
},
checkWaivers(req, res, next) {
const { cart } = req.session
if(!cart) return next()
if(cart.items.some(item => item.product.requiresWaiver)) {
cart.warnings.push('One or more of your selected ' +
'tours requires a waiver.')
}
next()
},
checkGuestCounts(req, res, next) {
const { cart } = req.session
if(!cart) return next()
if(cart.items.some(item => item.guests > item.product.maxGuests )) {
cart.errors.push('One or more of your selected tours ' +
'cannot accommodate the number of ...
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.