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Add and document "shallow recompiles" option #25

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Add and document "shallow recompiles" option #25

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3c70103
move note about entry point .browserify.js extension up in the docs
natevw Mar 1, 2017
9f6bace
add BROWSERIFY_SHALLOW_RECOMPILES setting to opt-out of full dependen…
natevw Mar 1, 2017
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28 changes: 16 additions & 12 deletions README.rst
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Original file line number Diff line number Diff line change
Expand Up @@ -16,6 +16,20 @@ And add it as a compiler to pipeline in your django `settings.py`::
# ...
)

**Important:** give your entry-point file a `.browserify.js` extension::

PIPELINE = {
# ...
'javascript':{
'browserify': {
'source_filenames' : (
'js/entry-point.browserify.js',
),
'output_filename': 'js/entry-point.js',
},
}
}

To add source maps during development (or any other browserify args)::

if DEBUG:
Expand Down Expand Up @@ -45,20 +59,10 @@ To use a local install of the browserify command line utility (or if it is not i
# ...or perhaps something like this:
PIPELINE['BROWSERIFY_BINARY'] = os.path.join(REPO_ROOT, "node_modules/.bin", "browserify"),

By default a full check of your entry point **and its dependencies** is performed to see if the output is stale. This produces the most correct behavior, but with a large JavaScript codebase can cause very slow page refreshes — even when nothing has changed! To use only the main entry point's modification time when determining if recompilation is needed, set:

**Important:** give your entry-point file a `.browserify.js` extension::
PIPELINE['BROWSERIFY_SHALLOW_RECOMPILES'] = True

PIPELINE = {
# ...
'javascript':{
'browserify': {
'source_filenames' : (
'js/entry-point.browserify.js',
),
'output_filename': 'js/entry-point.js',
},
}
}

To suggest a feature or report a bug:
https://github.com/j0hnsmith/django-pipeline-browserify/issues
4 changes: 4 additions & 0 deletions pipeline_browserify/compiler.py
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Expand Up @@ -86,6 +86,10 @@ def is_outdated(self, infile, outfile):
if super(BrowserifyCompiler, self).is_outdated(infile, outfile):
return True

pipeline_settings = getattr(settings, 'PIPELINE', {})
if pipeline_settings.get('BROWSERIFY_SHALLOW_RECOMPILES', False):
return False

# Otherwise we need to see what dependencies there are now, and if they're modified.
tool, args, env = self._get_cmd_parts()
cmd = [tool] + args + ['--list', infile]
Expand Down