minifyjson filter

da2x · da2x · commit 402a62eee125 · 2015-09-21T14:12:02.000+02:00
diff --git a/CHANGES.txt b/CHANGES.txt
@@ -4,6 +4,7 @@ New in master
 Features
 --------
 
+* New ```jsonmnify``` filter for minifying JSON files.
 * New option ``FEED_PREVIEWIMAGE`` includes the ``post.meta.previewimage``
   image in Atom and RSS feeds. (Issue #2095)
 
diff --git a/docs/manual.txt b/docs/manual.txt
@@ -1381,6 +1381,9 @@ cssminify
 jsminify
    Minify JS using http://javascript-minifier.com/ (requires internet access)
 
+jsonminify
+   Minify JSON files (strips whitespace and use minimal separators).
+
 You can apply filters to specific posts or pages by using the ``filters`` metadata field:
 
 .. code:: restructuredtext
diff --git a/nikola/filters.py b/nikola/filters.py
@@ -29,6 +29,7 @@
 from functools import wraps
 import os
 import io
+import json
 import shutil
 import subprocess
 import tempfile
@@ -307,6 +308,12 @@ def jsminify(data):
         return data
 
 
+@apply_to_text_file
+def jsonminify(data):
+    data = json.dumps(json.loads(data), indent=None, separators=(',', ':'))
+    return data
+
+
 def _normalize_html(data):
     """Pass HTML through LXML to clean it up, if possible."""
     try:
