chore: pre-check path length

Author: nikku

intersect.js

@@ -109,7 +109,7 @@ function parsePathString(pathString) {
  */
 function isPathAbsolute(pathComponents) {
 
-  for (var i = 0; i < pathComponents.length; i++) {
+  for (var i = 0, ii = pathComponents.length; i < ii; i++) {
     var command = pathComponents[i][0];
     if (typeof command === 'string' && command !== command.toUpperCase()) {
       return false;
@@ -128,7 +128,8 @@ function isPathAbsolute(pathComponents) {
  * @return {boolean}
  */
 function isPathCurve(pathComponents) {
-  for (var i = 0; i < pathComponents.length; i++) {
+
+  for (var i = 0, ii = pathComponents.length; i < ii; i++) {
     var command = pathComponents[i][0];
     if (command !== 'M' && command !== 'C') {
       return false;
@@ -170,11 +171,11 @@ function pathClone(pathComponents) {
 
   var pathComponentsClone = new Array(pathComponents.length);
 
-  for (var i = 0; i < pathComponents.length; i++) {
+  for (var i = 0, ii = pathComponents.length; i < ii; i++) {
     var component = pathComponents[i];
     var componentClone = pathComponentsClone[i] = new Array(component.length);
 
-    for (var j = 0; j < component.length; j++) {
+    for (var j = 0, jj = component.length; j < jj; j++) {
       componentClone[j] = component[j];
     }
   }