Using WeakMap to make componentMap field private.

Author: nlaffey

dist/react-json-schema.js

@@ -12,11 +12,11 @@ function _objectWithoutProperties(obj, keys) { var target = {}; for (var i in ob
 
 function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
 
+var _componentMap = new WeakMap();
+
 var ReactJsonSchema = function () {
   function ReactJsonSchema() {
     _classCallCheck(this, ReactJsonSchema);
-
-    this._componentMap = null;
   }
 
   _createClass(ReactJsonSchema, [{
@@ -82,7 +82,7 @@ var ReactJsonSchema = function () {
   }, {
     key: 'resolveComponent',
     value: function resolveComponent(schema) {
-      var _componentMap = this._componentMap;
+      var _componentMap = this.getComponentMap();
       var Component = null;
       if (schema.hasOwnProperty('component')) {
         if (schema.component === Object(schema.component)) {
@@ -105,12 +105,12 @@ var ReactJsonSchema = function () {
   }, {
     key: 'getComponentMap',
     value: function getComponentMap() {
-      return this._componentMap;
+      return _componentMap.get(this);
     }
   }, {
     key: 'setComponentMap',
     value: function setComponentMap(componentMap) {
-      this._componentMap = componentMap;
+      _componentMap.set(this, componentMap);
     }
   }]);
 

dist/react-json-schema.min.js

@@ -1,10 +1,8 @@
 import { DOM, createElement } from 'react';
 
-export default class ReactJsonSchema {
+const _componentMap = new WeakMap();
 
-  constructor(){
-    this._componentMap = null;
-  }
+export default class ReactJsonSchema {
 
   parseSchema(schema) {
     let element = null;
@@ -29,20 +27,20 @@ export default class ReactJsonSchema {
   }
 
   createComponent(schema) {
-    const { component, children, text, ...rest} = schema;
+    const { component, children, text, ...rest } = schema;
     const Component = this.resolveComponent(schema);
     const Children = typeof text !== 'undefined' ? text : this.resolveComponentChildren(schema);
     return createElement(Component, rest, Children);
   }
 
   resolveComponent(schema) {
-    const _componentMap = this._componentMap;
+    const componentMap = this.getComponentMap();
     let Component = null;
     if (schema.hasOwnProperty('component')) {
       if (schema.component === Object(schema.component)) {
         Component = schema.component;
-      } else if (_componentMap && _componentMap[schema.component]) {
-        Component = _componentMap[schema.component];
+      } else if (componentMap && componentMap[schema.component]) {
+        Component = componentMap[schema.component];
       } else if (DOM.hasOwnProperty(schema.component)) {
         Component = schema.component;
       }
@@ -58,10 +56,10 @@ export default class ReactJsonSchema {
   }
 
   getComponentMap() {
-    return this._componentMap;
+    return _componentMap.get(this);
   }
 
   setComponentMap(componentMap) {
-    this._componentMap = componentMap;
+    _componentMap.set(this, componentMap);
   }
 }