Remove spaces after ‘arcto’ path command flags

lib/svgo/tools.js

@@ -10,33 +10,23 @@ var FS = require('fs');
  * @return {String} output string
  */
 exports.encodeSVGDatauri = function(str, type) {
-
     var prefix = 'data:image/svg+xml';
-
-    // base64
     if (!type || type === 'base64') {
-
+        // base64
         prefix += ';base64,';
         if (Buffer.from) {
             str = prefix + Buffer.from(str).toString('base64');
         } else {
             str = prefix + new Buffer(str).toString('base64');
         }
-        
-    // URI encoded
     } else if (type === 'enc') {
-
+        // URI encoded
         str = prefix + ',' + encodeURIComponent(str);
-
-    // unencoded
     } else if (type === 'unenc') {
-
+        // unencoded
         str = prefix + ',' + str;
-
     }
-
     return str;
-
 };
 
 /**
@@ -54,23 +44,16 @@ exports.decodeSVGDatauri = function(str) {
 
     var data = match[3];
 
-    // base64
     if (match[2]) {
-
+        // base64
         str = new Buffer(data, 'base64').toString('utf8');
-
-    // URI encoded
     } else if (data.charAt(0) === '%') {
-
+        // URI encoded
         str = decodeURIComponent(data);
-
-    // unencoded
     } else if (data.charAt(0) === '<') {
-
+        // unencoded
         str = data;
-
     }
-
     return str;
 };
 
@@ -80,20 +63,33 @@ exports.intersectArrays = function(a, b) {
     });
 };
 
-exports.cleanupOutData = function(data, params) {
-
+/**
+ * Convert a row of numbers to an optimized string view.
+ *
+ * @example
+ * [0, -1, .5, .5] → 0-1 .5.5
+ *
+ * @param {number[]} data
+ * @param {Object} params
+ * @param {string?} command path data instruction
+ * @return {[type]}
+ */
+exports.cleanupOutData = function(data, params, command) {
     var str = '',
         delimiter,
         prev;
 
     data.forEach(function(item, i) {
-
         // space delimiter by default
         delimiter = ' ';
 
         // no extra space in front of first number
-        if (i === 0) {
-            delimiter = '';
+        if (i == 0) delimiter = '';
+
+        // no extra space after 'arcto' command flags
+        if (params.noSpaceAfterFlags && (command == 'A' || command == 'a')) {
+            var pos = i % 7;
+            if (pos == 4 || pos == 5) delimiter = '';
         }
 
         // remove floating-point numbers leading zeros
@@ -107,22 +103,18 @@ exports.cleanupOutData = function(data, params) {
         // in front of a floating number if a previous number is floating too
         if (
             params.negativeExtraSpace &&
+            delimiter != '' &&
             (item < 0 ||
                 (String(item).charCodeAt(0) == 46 && prev % 1 !== 0)
             )
         ) {
             delimiter = '';
         }
-
         // save prev item value
         prev = item;
-
         str += delimiter + item;
-
     });
-
     return str;
-
 };
 
 /**
@@ -146,9 +138,7 @@ var removeLeadingZero = exports.removeLeadingZero = function(num) {
     } else if (-1 < num && num < 0 && strNum.charCodeAt(1) == 48) {
         strNum = strNum.charAt(0) + strNum.slice(2);
     }
-
     return strNum;
-
 };
 
 

plugins/_path.js

@@ -553,7 +553,11 @@ exports.js2path = function(path, data, params) {
     }
 
     path.attr('d').value = data.reduce(function(pathString, item) {
-        return pathString += item.instruction + (item.data ? cleanupOutData(item.data, params) : '');
+        var strData = '';
+        if (item.data) {
+            strData = cleanupOutData(item.data, params, item.instruction);
+        }
+        return pathString += item.instruction + strData;
     }, '');
 
 };

plugins/convertPathData.js

@@ -23,6 +23,7 @@ exports.params = {
     utilizeAbsolute: true,
     leadingZero: true,
     negativeExtraSpace: true,
+    noSpaceAfterFlags: true,
     forceAbsolutePath: false
 };
 
@@ -960,6 +961,10 @@ function findArcAngle(curve, relCircle) {
 
 function data2Path(params, pathData) {
     return pathData.reduce(function(pathString, item) {
-        return pathString + item.instruction + (item.data ? cleanupOutData(roundData(item.data.slice()), params) : '');
+        var strData = '';
+        if (item.data) {
+            strData = cleanupOutData(roundData(item.data.slice()), params);
+        }
+        return pathString + item.instruction + strData;
     }, '');
 }

plugins/mergePaths.js

@@ -9,7 +9,8 @@ exports.description = 'merges multiple paths in one if possible';
 exports.params = {
     collapseRepeated: true,
     leadingZero: true,
-    negativeExtraSpace: true
+    negativeExtraSpace: true,
+    noSpaceAfterFlags: true
 };
 
 var path2js = require('./_path.js').path2js,