Buat Slug Menggunakan Middleware
//4 types of middleware document,query,aggregate and model
//document middleware run before .save() and .create()
const slugify = require('slugify')
tourSchema.pre('save',function(next) {
console.log('will save document')
this.slug= slugify(this.name,{lower:true})
next()
})
Shirshak kandel