refactor

js/branch.js

@@ -0,0 +1,17 @@
+let lib;
+
+function standard() {
+  return ["master", "release"];
+}
+
+function isStandard(b) {
+  return lib.standard().includes(b);
+}
+
+function isNonStandard(b) {
+  return !lib.isStandard(b);
+}
+
+lib = { standard, isStandard, isNonStandard };
+
+module.exports = lib;