Apply suggestions from code review

Co-authored-by: Athan <kgryte@gmail.com>
Signed-off-by: Athan <kgryte@gmail.com>

Author: kgryte

lib/node_modules/@stdlib/plot/base/view/lib/browser/app/schema/transforms/axis.js

@@ -92,9 +92,9 @@ function transform( schema, signals, defaults, prefix ) {
 		v = schema[ k ];
 		if ( !isSignalReference( v ) ) {
 			name = signalName( prefix+k );
-			value = isUndefined( v ) ? defaults[ k ].default : v;
+			value = ( isUndefined( v ) ) ? defaults[ k ].default : v;
 
-			if ( k == 'tickCount' ) {
+			if ( k === 'tickCount' ) {
 				signals.push({
 					'name': name,
 					'value': ( value === '' ) ? void 0 : value