1 files changed, 46 insertions, 0 deletions
diff --git a/node_modules/clean-css/lib/optimizer/level-1/value-optimizers/unit.js b/node_modules/clean-css/lib/optimizer/level-1/value-optimizers/unit.js
new file mode 100644
index 00000000..df2cda59
--- /dev/null
+++ b/node_modules/clean-css/lib/optimizer/level-1/value-optimizers/unit.js
@@ -0,0 +1,46 @@
+var WHOLE_PIXEL_VALUE = /(?:^|\s|\()(-?\d+)px/;
+
+var plugin = {
+  level1: {
+    value: function unit(_name, value, options) {
+      if (!WHOLE_PIXEL_VALUE.test(value)) {
+        return value;
+      }
+
+      return value.replace(WHOLE_PIXEL_VALUE, function(match, val) {
+        var newValue;
+        var intVal = parseInt(val);
+
+        if (intVal === 0) {
+          return match;
+        }
+
+        if (options.compatibility.properties.shorterLengthUnits
+          && options.compatibility.units.pt
+          && intVal * 3 % 4 === 0) {
+          newValue = intVal * 3 / 4 + 'pt';
+        }
+
+        if (options.compatibility.properties.shorterLengthUnits
+          && options.compatibility.units.pc
+          && intVal % 16 === 0) {
+          newValue = intVal / 16 + 'pc';
+        }
+
+        if (options.compatibility.properties.shorterLengthUnits
+          && options.compatibility.units.in
+          && intVal % 96 === 0) {
+          newValue = intVal / 96 + 'in';
+        }
+
+        if (newValue) {
+          newValue = match.substring(0, match.indexOf(val)) + newValue;
+        }
+
+        return newValue && newValue.length < match.length ? newValue : match;
+      });
+    }
+  }
+};
+
+module.exports = plugin;