fix wind calculation/display

src/components/metar/LimitsMatrix.jsx

@@ -53,7 +53,7 @@ const LimitsMatrix = ({ metar }) => {
     },
     {
       label: 'Crosswind',
-      value: `${metar.crosswind}kts (R${metar.runway})`,
+      value: `${metar.crosswind ?? 0}kts ${metar.runway ? `(R${metar.runway})` : ''}`,
       pattern: withinLimits('pattern', 'crosswind', metar.crosswind),
       dual: withinLimits('dual', 'crosswind', metar.crosswind),
       solo: withinLimits('solo', 'crosswind', metar.crosswind),

src/lib/metar.js

@@ -24,20 +24,15 @@ export function decodeMetar(metar) {
     const baseWind = parseInt(windMatch[2], 10);
     const gust = windMatch[4] ? parseInt(windMatch[4], 10) : null;
 
-    result.direction =
-      dir === 'VRB'
-        ? 'variable'
-        : dir === '000' && baseWind === 0
-          ? 'calm'
-          : parseInt(dir, 10);
+    result.direction = dir === 'VRB' ? 'variable' : parseInt(dir, 10);
 
     result.gusts = gust;
     const effectiveWind = gust ? Math.max(baseWind, gust) : baseWind;
     result.wind = effectiveWind;
 
     // Runway calculations
-    if (typeof result.direction === 'number') {
-      const windDir = result.direction;
+    if (true) {
+      const windDir = result.direction || 0;
 
       result.runwayBreakdown = runways.map(({ id, heading }) => {
         const angleDiff = Math.abs(windDir - heading);
@@ -60,8 +55,9 @@ export function decodeMetar(metar) {
         a.headwind > b.headwind ? a : b,
       );
 
-      result.runway = best.runway;
+      result.runway = dir === '000' && baseWind === 0 ? null : best.runway;
       result.crosswind = Math.abs(best.crosswind);
+    } else {
     }
   }