Remove redundant value existence checks

Author: blikblum

lib/line_wrapper.js

@@ -311,7 +311,7 @@ class LineWrapper extends EventEmitter {
       this.maxY = this.document.page.maxY();
       this.document.x = this.startX;
       if (this.document._fillColor) {
-        this.document.fillColor(...(this.document._fillColor || []));
+        this.document.fillColor(...this.document._fillColor);
       }
       this.emit('pageBreak', options, this);
     } else {

lib/path.js

@@ -147,7 +147,7 @@ const runners = {
     cy = a[5];
     px = a[2];
     py = a[3];
-    return doc.bezierCurveTo(...(a || []));
+    return doc.bezierCurveTo(...a);
   },
 
   c(doc, a) {
@@ -314,8 +314,8 @@ const solveArc = function(doc, x, y, coords) {
   const segs = arcToSegments(ex, ey, rx, ry, large, sweep, rot, x, y);
 
   for (let seg of segs) {
-    const bez = segmentToBezier(...(seg || []));
-    doc.bezierCurveTo(...(bez || []));
+    const bez = segmentToBezier(...seg);
+    doc.bezierCurveTo(...bez);
   }
 };