Rename borderWidths to borderWidth

src/plugins/borderWidth.js

@@ -0,0 +1,25 @@
+import _ from 'lodash'
+
+export default function({ values, variants }) {
+  return function({ addUtilities, e }) {
+    const generators = [
+      (value, modifier) => ({
+        [`.${e(`border${modifier}`)}`]: { borderWidth: `${value}` },
+      }),
+      (value, modifier) => ({
+        [`.${e(`border-t${modifier}`)}`]: { borderTopWidth: `${value}` },
+        [`.${e(`border-r${modifier}`)}`]: { borderRightWidth: `${value}` },
+        [`.${e(`border-b${modifier}`)}`]: { borderBottomWidth: `${value}` },
+        [`.${e(`border-l${modifier}`)}`]: { borderLeftWidth: `${value}` },
+      }),
+    ]
+
+    const utilities = _.flatMap(generators, generator => {
+      return _.flatMap(values, (value, modifier) => {
+        return generator(value, modifier === 'default' ? '' : `-${modifier}`)
+      })
+    })
+
+    addUtilities(utilities, variants)
+  }
+}