flow like the river

BACK_BACK/node_modules/is-resolvable/index.js

@@ -0,0 +1,16 @@
+'use strict';
+
+var inspect = require('util').inspect;
+
+module.exports = function isResolvable(moduleId, options) {
+	if (typeof moduleId !== 'string') {
+		throw new TypeError(inspect(moduleId) + ' is not a string. Expected a valid Node.js module identifier (<string>), for example \'eslint\', \'./index.js\', \'./lib\'.');
+	}
+
+	try {
+		require.resolve(moduleId, options);
+		return true;
+	} catch (err) {
+		return false;
+	}
+};