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JavaScript

JSON

1{
2  "title": {
3    "type": "String",
4    "trim": true,
5    "index": true,
6    "required": true
7  },
8  "year": {
9    "type": "Number",
10    "max": 2012,
11    "validate": "validateBookYear"
12  },
13  "author": {
14    "type": "ObjectId",
15    "ref": "Author",
16    "index": true,
17    "required": true
18  }
19}