Clear mirage deprecations

In v3.x functions from miragejs will no longer be exported by mirage and
must be pulled directly from miragejs.

The configuration system has been modified to match the upstream
expectations and by more explicit as well.

addon/mirage/index.js

@@ -1,5 +1,5 @@
 import RSVP from 'rsvp';
-import Response from 'ember-cli-mirage/response';
+import { Response } from 'miragejs';
 import { extractFormData, extractFileMetadata } from './utils';
 
 const NETWORK = {

package.json

@@ -117,6 +117,7 @@
     "eslint-plugin-qunit": "^7.0.0",
     "fake-xml-http-request": "^2.1.2",
     "loader.js": "^4.7.0",
+    "miragejs": "^0.1.43",
     "npm-run-all": "^4.1.5",
     "prettier": "^2.3.2",
     "qunit": "^2.16.0",

tests/dummy/mirage/config.js

@@ -1,19 +1,29 @@
 import { upload } from 'ember-file-upload/mirage';
+import { discoverEmberDataModels } from 'ember-cli-mirage';
+import { createServer } from 'miragejs';
 
-export default function () {
-  this.post(
-    '/photos/new',
-    upload(function (db, request) {
-      let { type, name, size, url } = request.requestBody.file;
-      return db.create('photo', {
-        filename: name,
-        filesize: size,
-        uploadedAt: new Date(),
-        url,
-        type: type.split('/')[0],
-      });
-    })
-  );
+export default function (config) {
+  let finalConfig = {
+    ...config,
+    models: { ...discoverEmberDataModels(), ...config.models },
+    routes() {
+      this.post(
+        '/photos/new',
+        upload(function (db, request) {
+          let { type, name, size, url } = request.requestBody.file;
+          return db.create('photo', {
+            filename: name,
+            filesize: size,
+            uploadedAt: new Date(),
+            url,
+            type: type.split('/')[0],
+          });
+        })
+      );
 
-  this.passthrough('*');
+      this.passthrough('*');
+    },
+  };
+
+  return createServer(finalConfig);
 }

tests/dummy/mirage/models/photo.js

@@ -1,3 +1,3 @@
-import { Model } from 'ember-cli-mirage';
+import { Model } from 'miragejs';
 
 export default class Photo extends Model {}