merge plugins/roundNumericValues and plugins/removeDefaultPx into one plugins/cleanupNumericValues

plugins/cleanupNumericValues.js

@@ -0,0 +1,47 @@
+'use strict';
+
+var regNumericValues = /^([\-+]?\d*\.?\d+)(px|pt|pc|mm|cm|m|in|ft|em|ex|%)?$/,
+    removeLeadingZero = require('../lib/svgo/tools').removeLeadingZero;
+
+/**
+ * Round numeric values to the fixed precision,
+ * remove default 'px' units.
+ *
+ * @param {Object} item current iteration item
+ * @param {Object} params plugin params
+ * @return {Boolean} if false, item will be filtered out
+ *
+ * @author Kir Belevich
+ */
+exports.cleanupNumericValues = function(item, params) {
+
+    if (item.isElem()) {
+
+        var match;
+
+        item.eachAttr(function(attr) {
+            match = attr.value.match(regNumericValues);
+
+            // if attribute value matches regNumericValues
+            if (match) {
+                    // round it to the fixed precision
+                var num = +(+match[1]).toFixed(params.floatPrecision),
+                    units = match[2] || '';
+
+                // and remove leading zero
+                if (params.leadingZero) {
+                    num = removeLeadingZero(num);
+                }
+
+                // remove default 'px' units
+                if (params.defaultPx && units === 'px') {
+                    units = '';
+                }
+
+                attr.value = num + units;
+            }
+        });
+
+    }
+
+};