RAHHH

backend/frontend/node_modules/tcomb/lib/decompose.js

@@ -0,0 +1,26 @@
+var isType = require('./isType');
+
+function isRefinement(type) {
+  return isType(type) && type.meta.kind === 'subtype';
+}
+
+function getPredicates(type) {
+  return isRefinement(type) ?
+    [type.meta.predicate].concat(getPredicates(type.meta.type)) :
+    [];
+}
+
+function getUnrefinedType(type) {
+  return isRefinement(type) ?
+    getUnrefinedType(type.meta.type) :
+    type;
+}
+
+function decompose(type) {
+  return {
+    predicates: getPredicates(type),
+    unrefinedType: getUnrefinedType(type)
+  };
+}
+
+module.exports = decompose;