replace jest with ava

node_modules/widest-line/index.js

@@ -0,0 +1,16 @@
+'use strict';
+const stringWidth = require('string-width');
+
+const widestLine = input => {
+	let max = 0;
+
+	for (const line of input.split('\n')) {
+		max = Math.max(max, stringWidth(line));
+	}
+
+	return max;
+};
+
+module.exports = widestLine;
+// TODO: remove this in the next major version
+module.exports.default = widestLine;