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Meteor, an ultra-simple, database-everywhere, data-on-the-wire, pure-Javascript web framework.

branch: devel

Fix {{#with}} over a data context that is mutated

In `Spacebars.With` we embox the data context. This commit makes
that emboxing happen modulo `safeEquals`. So now if you
{{#with}} over a helper that returns an object, any time
that helper gets invalidated we re-run the computations in the block.

Fixes #2046 (though notably that example mutates the data context
from within a helper, which could lead to other types of unintended
behavior; it's probably in this particular example -- the data context
just gets added properties)
latest commit 95aaa99312
Avital Oliver avital authored April 19, 2014
Octocat-spinner-32 docs Add docs for `Random.secret` April 17, 2014
Octocat-spinner-32 examples Move the ddp-heartbeat test into tools/tests. March 30, 2014
Octocat-spinner-32 packages Fix {{#with}} over a data context that is mutated April 19, 2014
Octocat-spinner-32 scripts remove now unused script. April 08, 2014
Octocat-spinner-32 tools Remove outdated comment April 18, 2014
Octocat-spinner-32 .arcconfig Create .arcconfig March 21, 2012
Octocat-spinner-32 .gitignore Revert "Make paths relative in .gitignore" March 03, 2014
Octocat-spinner-32 .gitmodules "tools" -> "scripts", "engine" -> "tools" March 19, 2013
Octocat-spinner-32 .mailmap add external contributors March 26, 2014
Octocat-spinner-32 De-dup Contributing text between repo and wiki November 18, 2013
Octocat-spinner-32 Meteor.loginWith<External> now waits for config April 18, 2014
Octocat-spinner-32 LICENSE.txt update license file for copied/adapted code packages/html5-tokenizer March 25, 2014
Octocat-spinner-32 update readme to note build requirements. December 19, 2013
Octocat-spinner-32 meteor Bump openssl version used for mongo. Add node-aes-gcm. April 07, 2014


Meteor is an ultra-simple environment for building modern web applications.

With Meteor you write apps:

  • in pure Javascript
  • that send data over the wire, rather than HTML
  • using your choice of popular open-source libraries

Documentation is available at

Quick Start

Install Meteor:

curl | /bin/sh

Create a project:

meteor create try-meteor

Run it:

cd try-meteor

Deploy it to the world, for free:

meteor deploy

Slow Start (for developers)

If you want to run on the bleeding edge, or help develop Meteor, you can run Meteor directly from a git checkout.

git clone git://
cd meteor

If you're the sort of person who likes to build everything from scratch, you can build all the Meteor dependencies (node.js, npm, mongodb, etc) with the provided script. This requires git, a C and C++ compiler, autotools, and scons. If you do not run this script, Meteor will automatically download pre-compiled binaries when you first run it.


Now you can run meteor directly from the checkout (if you did not build the dependency bundle above, this will take a few moments to download a pre-build version).

./meteor --help

From your checkout, you can read the docs locally. The /docs directory is a meteor application, so simply change into the /docs directory and launch the app:

cd docs/

You'll then be able to read the docs locally in your browser at http://localhost:3000/

Note that if you run Meteor from a git checkout, you cannot pin apps to specific Meteor releases or run using different Meteor releases using --release.

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