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With the introduction of lazy compilation in Meteor 1.8, calling
inputFile.addJavaScript({
...
hash: inputFile.getSourceHash(),
...
}, function () {
return compiler.processFilesForTarget(inputFile);
});
becomes problematic, since inputFile.getSourceHash() is usually different
from compiler.processFilesForTarget(inputFile).hash, because the latter is
computed from the compiled code, whereas the former is computed from the
source code.
For example, when we use file.hash to cache imported module identifiers in
ImportScanner#_findImportedModuleIdentifiers, we really need to be using
the hash of the compiled code, since a single source module can be
compiled in different ways. If we cache based on the source hash, there's
a risk of reusing the scanned imports from the web.browser version for the
web.browser.legacy version, which can lead to all sorts of problems that
are only apparent in legacy browsers.
The quick fix is easy enough: BabelCompiler can simply stop including a
hash in the eager options to inputFile.addJavaScript. This fix can be
published as a minor update to the babel-compiler and ecmascript packages.
The remaining changes in this commit add another layer of defense against
this problem, by ignoring any hash options provided by compiler plugins,
in favor of simply computing the hash from the compiled data buffer.
These additional changes will become available in the next release of
Meteor (likely 1.8.1).
Meteor is an ultra-simple environment for building modern web applications.
With Meteor you write apps:
- in modern JavaScript
- that send data over the wire, rather than HTML
- using your choice of popular open-source libraries
Try a getting started tutorial:
Next, read the guide and the documentation.
Quick Start
On Windows, the installer can be found at https://www.meteor.com/install.
On Linux/macOS, use this line:
curl https://install.meteor.com/ | sh
Create a project:
meteor create try-meteor
Run it:
cd try-meteor
meteor
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Uninstalling Meteor
Aside from a short launcher shell script, Meteor installs itself inside your home directory. To uninstall Meteor, run:
rm -rf ~/.meteor/
sudo rm /usr/local/bin/meteor
On Windows, just run the uninstaller from your Control Panel.