Added warning for use of ReactLink.

Author: jimfb

src/renderers/dom/client/wrappers/ReactDOMInput.js

@@ -18,9 +18,12 @@ var ReactUpdates = require('ReactUpdates');
 
 var assign = require('Object.assign');
 var invariant = require('invariant');
+var warning = require('warning');
 
 var instancesByReactID = {};
 
+var didWarnValueLink = false;
+
 function forceUpdateIfMounted() {
   if (this._rootNodeID) {
     // DOM component is still mounted; update
@@ -67,6 +70,14 @@ var ReactDOMInput = {
         props,
         inst._currentElement._owner
       );
+
+      if (props.valueLink !== undefined && !didWarnValueLink) {
+        warning(
+          false,
+          '`.valueLink` on `input` is deprecated; set `.value` and `.onChange` instead.'
+        );
+        didWarnValueLink = true;
+      }
     }
 
     var defaultValue = props.defaultValue;

src/renderers/dom/client/wrappers/ReactDOMSelect.js

@@ -18,6 +18,8 @@ var ReactUpdates = require('ReactUpdates');
 var assign = require('Object.assign');
 var warning = require('warning');
 
+var didWarnValueLink = false;
+
 var valueContextKey =
   '__ReactDOMSelect_value$' + Math.random().toString(36).slice(2);
 
@@ -58,6 +60,14 @@ function checkSelectPropTypes(inst, props) {
     owner
   );
 
+  if (props.valueLink !== undefined && !didWarnValueLink) {
+    warning(
+      false,
+      '`.valueLink` on `select` is deprecated; set `.value` and `.onChange` instead.'
+    );
+    didWarnValueLink = true;
+  }
+
   for (var i = 0; i < valuePropNames.length; i++) {
     var propName = valuePropNames[i];
     if (props[propName] == null) {

src/renderers/dom/client/wrappers/ReactDOMTextarea.js

@@ -19,6 +19,8 @@ var assign = require('Object.assign');
 var invariant = require('invariant');
 var warning = require('warning');
 
+var didWarnValueLink = false;
+
 function forceUpdateIfMounted() {
   if (this._rootNodeID) {
     // DOM component is still mounted; update
@@ -67,6 +69,13 @@ var ReactDOMTextarea = {
         props,
         inst._currentElement._owner
       );
+      if (props.valueLink !== undefined && !didWarnValueLink) {
+        warning(
+          false,
+          '`.valueLink` on `textarea` is deprecated; set `.value` and `.onChange` instead.'
+        );
+        didWarnValueLink = true;
+      }
     }
 
     var defaultValue = props.defaultValue;

src/renderers/dom/client/wrappers/__tests__/ReactDOMInput-test.js

@@ -254,14 +254,17 @@ describe('ReactDOMInput', function() {
   it('should warn with value and no onChange handler', function() {
     var link = new ReactLink('yolo', mocks.getMockFunction());
     ReactTestUtils.renderIntoDocument(<input type="text" valueLink={link} />);
-    expect(console.error.argsForCall.length).toBe(0);
+    expect(console.error.argsForCall.length).toBe(1);
+    expect(console.error.argsForCall[0][0]).toContain(
+      '`.valueLink` on `input` is deprecated; set `.value` and `.onChange` instead.'
+    );
 
     ReactTestUtils.renderIntoDocument(
       <input type="text" value="zoink" onChange={mocks.getMockFunction()} />
     );
-    expect(console.error.argsForCall.length).toBe(0);
-    ReactTestUtils.renderIntoDocument(<input type="text" value="zoink" />);
     expect(console.error.argsForCall.length).toBe(1);
+    ReactTestUtils.renderIntoDocument(<input type="text" value="zoink" />);
+    expect(console.error.argsForCall.length).toBe(2);
   });
 
   it('should warn with value and no onChange handler and readOnly specified', function() {

src/renderers/dom/client/wrappers/__tests__/ReactDOMSelect-test.js

@@ -357,7 +357,16 @@ describe('ReactDOMSelect', function() {
         <option value="giraffe">A giraffe!</option>
         <option value="gorilla">A gorilla!</option>
       </select>;
+
+    spyOn(console, 'error');
+
     stub = ReactTestUtils.renderIntoDocument(stub);
+
+    expect(console.error.argsForCall.length).toBe(1);
+    expect(console.error.argsForCall[0][0]).toContain(
+      '`.valueLink` on `select` is deprecated; set `.value` and `.onChange` instead.'
+    );
+
     var node = ReactDOM.findDOMNode(stub);
 
     expect(node.options[0].selected).toBe(false);  // monkey

src/renderers/dom/client/wrappers/__tests__/ReactDOMTextarea-test.js

@@ -241,7 +241,13 @@ describe('ReactDOMTextarea', function() {
     var link = new ReactLink('yolo', mocks.getMockFunction());
     var instance = <textarea valueLink={link} />;
 
+    spyOn(console, 'error');
     instance = renderTextarea(instance);
+    expect(console.error.argsForCall.length).toBe(1);
+    expect(console.error.argsForCall[0][0]).toContain(
+      '`.valueLink` on `textarea` is deprecated; set `.value` and `.onChange` instead.'
+    );
+
 
     expect(ReactDOM.findDOMNode(instance).value).toBe('yolo');
     expect(link.value).toBe('yolo');