lint: bar setPositions comments + spaces

Author: etpinard

src/traces/bar/set_positions.js

@@ -148,8 +148,11 @@ module.exports = function setPositions(gd, plotinfo) {
                     if(!isNumeric(ti[j].s)) continue;
 
                     sv = Math.round(ti[j].p / sumround);
-                    // store the negative sum value for p at the same key, with sign flipped
-                    if(relative && ti[j].s < 0) sv = '-' + sv;  // use string to ensure -0 !== 0
+
+                    // store the negative sum value for p at the same key,
+                    // with sign flipped using string to ensure -0 !== 0.
+                    if(relative && ti[j].s < 0) sv = '-' + sv;
+
                     var previousSum = sums[sv] || 0;
                     if(stack || relative) ti[j].b = previousSum;
                     barEnd = ti[j].b + ti[j].s;
@@ -167,20 +170,29 @@ module.exports = function setPositions(gd, plotinfo) {
             }
 
             if(norm) {
-                padded = false;
                 var top = norm === 'fraction' ? 1 : 100,
                     relAndNegative = false,
                     tiny = top / 1e9; // in case of rounding error in sum
+
+                padded = false;
                 sMin = 0;
                 sMax = stack ? top : 0;
+
                 for(i = 0; i < bl.length; i++) { // trace index
                     ti = gd.calcdata[bl[i]];
+
                     for(j = 0; j < ti.length; j++) {
-                        relAndNegative = relative && ti[j].s < 0;
+                        relAndNegative = (relative && ti[j].s < 0);
+
                         sv = Math.round(ti[j].p / sumround);
-                        if(relAndNegative) sv = '-' + sv;  // locate negative sum amount for this p val
+
+                        // locate negative sum amount for this p val
+                        if(relAndNegative) sv = '-' + sv;
+
                         scale = top / sums[sv];
-                        if(relAndNegative) scale *= -1; // preserve sign if negative
+
+                        // preserve sign if negative
+                        if(relAndNegative) scale *= -1;
                         ti[j].b *= scale;
                         ti[j].s *= scale;
                         barEnd = ti[j].b + ti[j].s;