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Building Single-page Web Apps with Meteor

Building Single-page Web Apps with Meteor

By : Fabian Vogelsteller
4.5 (8)
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Building Single-page Web Apps with Meteor

Building Single-page Web Apps with Meteor

4.5 (8)
By: Fabian Vogelsteller

Overview of this book

If you are a web developer with basic knowledge of JavaScript and want to take on Web 2.0, build real-time applications, or simply want to write a complete application using only JavaScript and HTML/CSS, this is the book for you. This book is based on Meteor 1.0.
Table of Contents (15 chapters)
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14
Index

Publishing only parts of data


To make our front page future-ready, we will need to limit the amount of posts shown on it, as we will probably have a lot of posts added with time.

For this, we will create a new publication called limited-posts, where we can pass a limit option to the posts' find() function and add it to our publications.js file, as follows:

Meteor.publish('limited-posts', function () {
  return Posts.find({}, {
    limit: 2,
    sort: {timeCreated: -1}
  });
});

We add a sort option, with which we sort the posts in descending order on the timeCreated field. This is necessary to ensure that we get the latest posts and then limit the output. If we only sort the data on the client, it might happen that we leave out newer posts, as the server publication would send only the first two documents it found, regardless of whether they are the latest ones or not.

Now we just have to go to subscriptions.js and change the subscription to the following line of code:

Meteor.subscribe('limited...

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