plugins/convertPathData: -1.816-9.278.682-13.604 parsing error (fix s…

…vg#85)

lib/svgo/tools.js

@@ -54,7 +54,8 @@ exports.intersectArrays = function(a, b) {
 exports.cleanupOutData = function(data, params) {
 
     var str = '',
-        delimiter;
+        delimiter,
+        prev;
 
     data.forEach(function(item, i) {
 
@@ -66,11 +67,20 @@ exports.cleanupOutData = function(data, params) {
             delimiter = '';
         }
 
-        // no extra space in front of negative number
-        if (params.negativeExtraSpace && item < 0) {
+        // no extra space in front of negative number or
+        // in front of a floating number if a previous number is floating too
+        if (
+            params.negativeExtraSpace &&
+            (item < 0 ||
+             (item > 0 && item < 1 && prev % 1 !== 0)
+            )
+        ) {
             delimiter = '';
         }
 
+        // save prev item value
+        prev = item;
+
         // remove floating-point numbers leading zeros
         // 0.5 → .5
         // -0.5 → -.5

plugins/convertPathData.js

@@ -2,7 +2,7 @@
 
 var cleanupOutData = require('../lib/svgo/tools').cleanupOutData,
     regPathInstructions = /([MmLlHhVvCcSsQqTtAaZz])\s*/,
-    regPathData = /[\-+]?\d*\.?\d+(\.\d+)?([eE][\-+]?\d+)?/g,
+    regPathData = /[\-+]?\d*\.?\d+([eE][\-+]?\d+)?/g,
     pathElems = ['path', 'glyph', 'missing-glyph'],
     hasMarkerMid;