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- /*!
- * Module dependencies.
- */
- 'use strict';
- const NodeJSDocument = require('./document');
- const EventEmitter = require('events').EventEmitter;
- const MongooseError = require('./error/index');
- const Schema = require('./schema');
- const ObjectId = require('./types/objectid');
- const ValidationError = MongooseError.ValidationError;
- const applyHooks = require('./helpers/model/applyHooks');
- const isObject = require('./helpers/isObject');
- /**
- * Document constructor.
- *
- * @param {Object} obj the values to set
- * @param {Object} [fields] optional object containing the fields which were selected in the query returning this document and any populated paths data
- * @param {Boolean} [skipId] bool, should we auto create an ObjectId _id
- * @inherits NodeJS EventEmitter http://nodejs.org/api/events.html#events_class_events_eventemitter
- * @event `init`: Emitted on a document after it has was retrieved from the db and fully hydrated by Mongoose.
- * @event `save`: Emitted when the document is successfully saved
- * @api private
- */
- function Document(obj, schema, fields, skipId, skipInit) {
- if (!(this instanceof Document)) {
- return new Document(obj, schema, fields, skipId, skipInit);
- }
- if (isObject(schema) && !schema.instanceOfSchema) {
- schema = new Schema(schema);
- }
- // When creating EmbeddedDocument, it already has the schema and he doesn't need the _id
- schema = this.schema || schema;
- // Generate ObjectId if it is missing, but it requires a scheme
- if (!this.schema && schema.options._id) {
- obj = obj || {};
- if (obj._id === undefined) {
- obj._id = new ObjectId();
- }
- }
- if (!schema) {
- throw new MongooseError.MissingSchemaError();
- }
- this.$__setSchema(schema);
- NodeJSDocument.call(this, obj, fields, skipId, skipInit);
- applyHooks(this, schema, { decorateDoc: true });
- // apply methods
- for (const m in schema.methods) {
- this[m] = schema.methods[m];
- }
- // apply statics
- for (const s in schema.statics) {
- this[s] = schema.statics[s];
- }
- }
- /*!
- * Inherit from the NodeJS document
- */
- Document.prototype = Object.create(NodeJSDocument.prototype);
- Document.prototype.constructor = Document;
- /*!
- * ignore
- */
- Document.events = new EventEmitter();
- /*!
- * Browser doc exposes the event emitter API
- */
- Document.$emitter = new EventEmitter();
- ['on', 'once', 'emit', 'listeners', 'removeListener', 'setMaxListeners',
- 'removeAllListeners', 'addListener'].forEach(function(emitterFn) {
- Document[emitterFn] = function() {
- return Document.$emitter[emitterFn].apply(Document.$emitter, arguments);
- };
- });
- /*!
- * Module exports.
- */
- Document.ValidationError = ValidationError;
- module.exports = exports = Document;
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