mirror of
https://github.com/atlanticbiomedical/biomedjs.git
synced 2025-07-02 00:47:26 -04:00
Updated mongoose
This commit is contained in:
Dobie Wollert
90
node_modules/mongoose/lib/querystream.js
generated
vendored
90
node_modules/mongoose/lib/querystream.js
generated
vendored
@ -1,12 +1,13 @@
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/* eslint no-empty: 1 */
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/*!
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* Module dependencies.
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*/
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var Stream = require('stream').Stream
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var utils = require('./utils')
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var helpers = require('./queryhelpers')
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var K = function(k){ return k }
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var Stream = require('stream').Stream;
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var utils = require('./utils');
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var helpers = require('./queryhelpers');
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var K = function(k) { return k; };
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/**
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* Provides a Node.js 0.8 style [ReadStream](http://nodejs.org/docs/v0.8.21/api/stream.html#stream_readable_stream) interface for Queries.
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@ -49,7 +50,7 @@ var K = function(k){ return k }
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* @api public
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*/
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function QueryStream (query, options) {
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function QueryStream(query, options) {
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Stream.call(this);
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this.query = query;
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@ -67,7 +68,7 @@ function QueryStream (query, options) {
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// give time to hook up events
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var self = this;
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process.nextTick(function () {
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process.nextTick(function() {
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self._init();
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});
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}
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@ -107,13 +108,13 @@ var T_CONT = 2;
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* @api private
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*/
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QueryStream.prototype._init = function () {
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QueryStream.prototype._init = function() {
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if (this._destroyed) return;
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var query = this.query
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, model = query.model
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, options = query._optionsForExec(model)
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, self = this
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var query = this.query,
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model = query.model,
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options = query._optionsForExec(model),
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self = this;
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try {
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query.cast(model);
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@ -124,12 +125,12 @@ QueryStream.prototype._init = function () {
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self._fields = utils.clone(query._fields);
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options.fields = query._castFields(self._fields);
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model.collection.find(query._conditions, options, function (err, cursor) {
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model.collection.find(query._conditions, options, function(err, cursor) {
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if (err) return self.destroy(err);
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self._cursor = cursor;
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self._next();
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});
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}
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};
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/**
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* Trampoline for pulling the next doc from cursor.
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@ -138,7 +139,7 @@ QueryStream.prototype._init = function () {
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* @api private
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*/
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QueryStream.prototype._next = function _next () {
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QueryStream.prototype._next = function _next() {
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if (this.paused || this._destroyed) {
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return this._running = false;
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}
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@ -155,7 +156,7 @@ QueryStream.prototype._next = function _next () {
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// avoid stack overflows with large result sets.
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// trampoline instead of recursion.
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while (this.__next()) {}
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}
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};
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/**
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* Pulls the next doc from the cursor.
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@ -164,14 +165,14 @@ QueryStream.prototype._next = function _next () {
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* @api private
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*/
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QueryStream.prototype.__next = function () {
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QueryStream.prototype.__next = function() {
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if (this.paused || this._destroyed)
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return this._running = false;
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var self = this;
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self._inline = T_INIT;
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self._cursor.nextObject(function cursorcb (err, doc) {
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self._cursor.nextObject(function cursorcb(err, doc) {
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self._onNextObject(err, doc);
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});
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@ -185,7 +186,7 @@ QueryStream.prototype.__next = function () {
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// the trampoline anymore.
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this._inline = T_IDLE;
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}
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}
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};
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/**
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* Transforms raw `doc`s returned from the cursor into a model instance.
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@ -195,7 +196,7 @@ QueryStream.prototype.__next = function () {
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* @api private
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*/
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QueryStream.prototype._onNextObject = function _onNextObject (err, doc) {
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QueryStream.prototype._onNextObject = function _onNextObject(err, doc) {
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if (this._destroyed) return;
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if (this.paused) {
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@ -212,28 +213,37 @@ QueryStream.prototype._onNextObject = function _onNextObject (err, doc) {
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return this.destroy();
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}
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var opts = this.query.options;
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var opts = this.query._mongooseOptions;
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if (!opts.populate) {
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return true === opts.lean
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? emit(this, doc)
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: createAndEmit(this, doc);
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return true === opts.lean ?
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emit(this, doc) :
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createAndEmit(this, null, doc);
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}
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var self = this;
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var pop = helpers.preparePopulationOptions(self.query, self.query.options);
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var pop = helpers.preparePopulationOptionsMQ(self.query, self.query._mongooseOptions);
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self.query.model.populate(doc, pop, function (err, doc) {
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// Hack to work around gh-3108
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pop.forEach(function(option) {
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delete option.model;
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});
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self.query.model.populate(doc, pop, function(err, doc) {
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if (err) return self.destroy(err);
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return true === opts.lean
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? emit(self, doc)
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: createAndEmit(self, doc);
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})
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}
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return true === opts.lean ?
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emit(self, doc) :
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createAndEmit(self, pop, doc);
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});
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};
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function createAndEmit (self, doc) {
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var instance = new self.query.model(undefined, self._fields, true);
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instance.init(doc, function (err) {
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function createAndEmit(self, populatedIds, doc) {
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var instance = helpers.createModel(self.query.model, doc, self._fields);
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var opts = populatedIds ?
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{ populated: populatedIds } :
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undefined;
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instance.init(doc, opts, function(err) {
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if (err) return self.destroy(err);
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emit(self, instance);
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});
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@ -243,7 +253,7 @@ function createAndEmit (self, doc) {
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* Emit a data event and manage the trampoline state
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*/
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function emit (self, doc) {
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function emit(self, doc) {
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self.emit('data', self._transform(doc));
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// trampoline management
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@ -263,9 +273,9 @@ function emit (self, doc) {
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* @api public
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*/
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QueryStream.prototype.pause = function () {
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QueryStream.prototype.pause = function() {
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this.paused = true;
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}
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};
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/**
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* Resumes this stream.
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@ -273,7 +283,7 @@ QueryStream.prototype.pause = function () {
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* @api public
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*/
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QueryStream.prototype.resume = function () {
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QueryStream.prototype.resume = function() {
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this.paused = false;
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if (!this._cursor) {
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@ -290,7 +300,7 @@ QueryStream.prototype.resume = function () {
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// outside QueryStream control, need manual restart
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return this._next();
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}
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}
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};
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/**
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* Destroys the stream, closing the underlying cursor. No more events will be emitted.
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@ -299,7 +309,7 @@ QueryStream.prototype.resume = function () {
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* @api public
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*/
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QueryStream.prototype.destroy = function (err) {
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QueryStream.prototype.destroy = function(err) {
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if (this._destroyed) return;
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this._destroyed = true;
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this._running = false;
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@ -314,7 +324,7 @@ QueryStream.prototype.destroy = function (err) {
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}
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this.emit('close');
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}
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};
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/**
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* Pipes this query stream into another stream. This method is inherited from NodeJS Streams.
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