Merge pull request #10 from majkel88/master

get function name - IE support

src/Schema.js

@@ -5,6 +5,7 @@ import {
     getDefaultValueForType,
     getDefaultValueFromOptions,
     wrapToArray,
+    getFunctionName,
 } from './helpers';
 import OneOfTypes from './OneOfTypes';
 import SchemaType from './SchemaType';
@@ -297,7 +298,7 @@ class Schema {
     }
 
     validateType(type, value, key, index) {
-        const { name: typeName } = type;
+        const typeName = getFunctionName(type);
         this.registerTypeIfNotExists(type, typeName);
 
         if (typeof this.typesValidators[typeName] === 'function') {

src/helpers.js

@@ -46,3 +46,15 @@ export const getDefaultValueFromOptions = (options) => {
     }
     return firstOption;
 };
+
+export const getFunctionName = (type) => {
+    const { name: typeName } = type;
+    if (typeof type === 'function' && !typeName) {
+        const functionString = type.toString();
+        return functionString
+            .substr(0, functionString.indexOf('('))
+            .replace('function ', '')
+            .trim();
+    }
+    return typeName;
+};

src/helpers.test.js

@@ -5,6 +5,7 @@ import {
     getFieldType,
     getDefaultValueForType,
     getDefaultValueFromOptions,
+    getFunctionName,
 } from './helpers';
 
 describe('helpers', () => {
@@ -82,4 +83,18 @@ describe('helpers', () => {
         expect(getFieldType(fooField)).toBe(String);
         expect(getFieldType(barField)).toBe(String);
     });
+
+    it('should return function name', () => {
+        const barFunction = function bar() {};
+        const fooFunction = function foo() {};
+        Object.defineProperty(fooFunction, 'name', { value: undefined });
+        expect(getFunctionName(barFunction)).toBe('bar');
+        expect(getFunctionName(String)).toBe('String');
+        expect(getFunctionName(Number)).toBe('Number');
+        expect(getFunctionName(Object)).toBe('Object');
+        expect(getFunctionName(Array)).toBe('Array');
+        expect(getFunctionName(Boolean)).toBe('Boolean');
+        expect(getFunctionName(Date)).toBe('Date');
+        expect(getFunctionName(fooFunction)).toBe('foo');
+    });
 });