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express-mongoose-loader
Advanced tools
Create mongodb models loaders scripts for your express app
Create MongoDB models loaders scripts for your express app, saving you thoses numerous database requests.
$ npm install express-mongoose-loader
First call for express-mongoose-loader
to set up loading system.
app.use(require('express-mongoose-loader'));
Then, create a mongoose model loader by requesting mongoose id list to load
with the function req.requestList(listName)
. Add item's data into the object
req.db[listName]
created by express-mongoose-loader
.
import mongoose from 'mongoose';
import Article from './model/article';
let articlesLoaders = (req, res , next) => {
Article.find(
{
_id: { $in: req.requestList('articles') }
},
(err, docs) => {
if (!err && docs) {
for (const doc of docs) {
req.db.articles[doc.id] = {
title: doc.title,
datetime: doc.datetime,
content: doc.content
};
}
}
next();
}
);
}
Request model's item loading by calling the function req.load(id)
.
req.load('57f0c59a779f68ea0a70a4e2');
After requesting a load you must call your model loader middleware.
app.use(articlesLoaders);
/* Init your express app */
import express from 'express';
import mongooseLoader from 'express-mongoose-loader';
import mongoose from 'mongoose';
mongoose.connect(/* DB config */);
const app = express();
app.listen(8080);
app.use(mongooseLoader);
/* Create a basic mongoose model */
var ArticleSchema = new mongoose.Schema({
title: String,
datetime: Date,
content: String
});
const Article = mongoose.model('article', ArticleSchema);
/* Create a basic mongoose loader */
let articlesLoaders = (req, res, next) => {
Article.find(
{
_id: { $in: req.requestList('articles') }
},
(err, docs) => {
if (!err && docs) {
for (const doc of docs) {
req.db.articles[doc.id] = {
title: doc.title,
datetime: doc.datetime,
content: doc.content
};
}
}
next();
}
);
}
/* Create a basic articles loader middleware */
let loadArticles = (req, res, next) => {
Article.find(
{
public: true
},
(err, articles) => {
if (!err && articles) {
for (const article of articles) {
/* Ask for article data loading */
req.load('articles', article.id);
}
}
}
);
}
/* Basic index page */
app.use([loadArticles, articlesLoaders]);
app.get('/',
(req, res) => {
let content = '';
for (const article of req.db.articles) {
content += '<h1>' + article.title + '</h1><br />';
}
res.send(content);
}
);
This project is licensed under the MIT license.
FAQs
Create mongodb models loaders scripts for your express app
We found that express-mongoose-loader demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
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