[typescript-node] Runtime error when using array definitions

Description

When using arrays in definitions (swagger 2.0), an error occures when calling the api via the generated code (typescript-node):

TypeError: typeMap[type].getAttributeTypeMap is not a function
    at Function.deserialize ((...)\generated-client\api.ts:128:48)
    at Request.localVarRequest [as _callback] ((...)\generated-client\api.ts:653:45)
    at Request.self.callback ((...)\node_modules\request\request.js:185:22)
    at Request.emit (events.js:189:13)
    at Request.<anonymous> ((...)\node_modules\request\request.js:1161:10)
    at Request.emit (events.js:189:13)
    at IncomingMessage.<anonymous> ((...)\node_modules\request\request.js:1083:12)
    at Object.onceWrapper (events.js:277:13)
    at IncomingMessage.emit (events.js:194:15)
    at endReadableNT (_stream_readable.js:1103:12)
    at process._tickCallback (internal/process/next_tick.js:63:19)

at the following code line:
let attributeTypes = typeMap[type].getAttributeTypeMap();

The requested definition typeMap[type] is LocationGetResponse, which is an array (see below). So the error is comprehensible because the class definition is
export class LocationGetResponse extends Array<LocationGetResponseInner>
-> getAttributeTypeMap only exists for the array elements, not the array itself.

Swagger-codegen version

Same error with current master (2.4.13) and older versions (2.4.9 - 2.4.12)

Swagger declaration file content or url

swagger: "2.0"
info:
  description: ""
  version: "1.0.0"
  title: "MyAPI"``

paths:
  /location:
    get:
      x-swagger-router-controller: "location"
      operationId: "location_get"
      summary: "..."
      description: ""
      parameters:
        - name: "input"
          in: "query"
          description: "search string"
          required: true
          pattern: '^.+$'
          type: "string"
      produces:
        - "application/json"
      responses:
        200:
          description: "successful operation"
          schema:
            $ref: "#/definitions/LocationGetResponse"

definitions:
  LocationGetResponse:
    type: "array"
    items:
      type: "object"
      required:
        - id
        - text
      properties:
        id:
          type: "string"
          description: "ID of location"
        text:
          type: "string"
          description: "Name of location"

Command line used for generation

java -jar swagger-codegen-cli-2.4.12.jar generate --input-spec api.yaml --lang typescript-node --config typescript-node.json

with typescript-node.json:

{
    "supportsES6": true
}

Steps to reproduce

You need at least a small dummy server which produces request results.

1. generate api.ts via swagger-codegen
2. Try to call the location method

Related issues/PRs

Suggest a fix/enhancement

Maybe checking for array type before reaching the throwing line...

PS: I'm looking forward generating typescript-node for openapi3 :)