Add support for providing a default line-height for each font-size

src/corePlugins.js

@@ -126,6 +126,7 @@ export default function({ corePlugins: corePluginConfig }) {
     fontFamily,
     fontWeight,
     height,
+    fontSize,
     lineHeight,
     listStylePosition,
     listStyleType,
@@ -152,7 +153,6 @@ export default function({ corePlugins: corePluginConfig }) {
     tableLayout,
     textAlign,
     textColor,
-    fontSize,
     fontStyle,
     textTransform,
     textDecoration,

src/plugins/fontSize.js

@@ -4,10 +4,17 @@ export default function() {
   return function({ addUtilities, e, theme, variants }) {
     const utilities = _.fromPairs(
       _.map(theme('fontSize'), (value, modifier) => {
+        const [fontSize, lineHeight] = Array.isArray(value) ? value : [value]
+
         return [
           `.${e(`text-${modifier}`)}`,
           {
-            'font-size': value,
+            'font-size': fontSize,
+            ...(lineHeight === undefined
+              ? {}
+              : {
+                  'line-height': lineHeight,
+                }),
           },
         ]
       })