search in array object nested ts

Question

I have arrays of this object:

const equipmentSchema = new Schema({
   country: { type: String, required: true },
   uf: { type: String, required: true },
   state: { type: String, required: true },
   city: { type: String, required: true },
   cp: { type: String },
   alias: { type: String },
   address: { type: String },
   location: { type: String },
   vendor: { type: String },
   hostname: { type: String, required: true, uppercase: true },
   type: { type: String, required: true },
   model: { type: String, required: true },
   cards: [{
       model: { type: String, required: true },
       slot: {type: String, required: true },
       typePort: { type: String, required: true },
       ports: [{
           numberPort: { type: Number, required: true },
           connector: { type: String },
           status: { type: String, required: true },
           speedCircuit: { type: String },
           serviceType: { type: String },
           network: { type: String },
           connectedTo: { type: String },
           customerName: { type: String },
           addressCustomer: { type: String },
           lelisID: { type: String },
           requester: { type: String },
           dateRequester: { type: Date },
           carrier: { type: String }
       }]
   }]

I don't have any idea how can i search by "Customer name" and retrive all object. (I'm using Angular2)

Thanks for all!!!

mickl · Accepted Answer · 2017-10-09 16:58:17Z

2

array.filter(o => !!o.cards.find(c => !!c.ports.find(p => p.customerName === "Marek")))

To scan nested arrays you can use find which will return first matching element or undefined if there's no match in your array. Filter expects function which will return boolean so to improve readability we cast object or undefined to boolean using !!. Because we're filtering on outer array, entire objects will be returned.

answered Oct 9, 2017 at 16:58

mickl

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