(ml5717) (ztw17) Pulled out Object.keys().length

src/canvas.js

@@ -193,12 +193,13 @@ export const splitOnPressures = ([...path]) => {
 
 export const renderPath = (id, points, pathEraseIntervals) => {
   let rectShapeStartIndex = -1
+  const pointsWithIntervals = Object.keys(pathEraseIntervals).length
 
   // Rect recognition hint shape: pure rect with no erasure
-  if (Object.keys(pathEraseIntervals).length == 0 && points.length == 5) {
+  if (pointsWithIntervals == 0 && points.length == 5) {
     rectShapeStartIndex = 0
     // Recognised rect shape: rect after completely erased raw data
-  } else if (Object.keys(pathEraseIntervals).length > 0 && points.length > 5) {
+  } else if (pointsWithIntervals > 0 && points.length > 5) {
     // Check that the preceding raw data is completely erased
     for (let i = 0; i < points.length - 5; i++) {
       if (