Merge pull request #28 from crudson/fix-graph-yaxis

Fix graph yaxis

Author: ianvizarra

lib/cli/chart.js

@@ -1,11 +1,13 @@
 const chart  = require('asciichart');
 
-// generate chart for caes or deaths
+// generate chart for cases or deaths
 exports.generate = (data, type = 'cases') => {
+    const maxLength = Object.values(data.timeline[type])
+          .reduce((a,c) => Math.max(a, c.toFixed().length), 0)
     const config = {
         height:  7,
-        format: (x, i) => ('    ' + x.toFixed(0)).slice(-'    '.length)
+        format: (x, i) => x.toFixed().padStart(maxLength)
     };
     chartData = Object.values(data.timeline[type]).flat();
     return chart.plot(chartData, config);
-}
+}