[change] implement TextInput without e.which

e.which is considered deprecated and should be replaced with e.key.

Fix #1190
Close #1193

packages/react-native-web/src/exports/TextInput/__tests__/index-test.js

@@ -183,7 +183,7 @@ describe('components/TextInput', () => {
     test('arrow key', () => {
       const onKeyPress = jest.fn();
       const input = findNativeInput(mount(<TextInput onKeyPress={onKeyPress} />));
-      input.simulate('keyPress', { which: 37 });
+      input.simulate('keyPress', { key: 'ArrowLeft' });
       expect(onKeyPress).toHaveBeenCalledTimes(1);
       expect(onKeyPress).toBeCalledWith(
         expect.objectContaining({
@@ -202,7 +202,7 @@ describe('components/TextInput', () => {
     test('backspace key', () => {
       const onKeyPress = jest.fn();
       const input = findNativeInput(mount(<TextInput onKeyPress={onKeyPress} />));
-      input.simulate('keyDown', { which: 8 });
+      input.simulate('keyDown', { key: 'Backspace' });
       expect(onKeyPress).toHaveBeenCalledTimes(1);
       expect(onKeyPress).toBeCalledWith(
         expect.objectContaining({
@@ -221,7 +221,7 @@ describe('components/TextInput', () => {
     test('enter key', () => {
       const onKeyPress = jest.fn();
       const input = findNativeInput(mount(<TextInput onKeyPress={onKeyPress} />));
-      input.simulate('keyPress', { which: 13 });
+      input.simulate('keyPress', { key: 'Enter' });
       expect(onKeyPress).toHaveBeenCalledTimes(1);
       expect(onKeyPress).toBeCalledWith(
         expect.objectContaining({
@@ -240,7 +240,7 @@ describe('components/TextInput', () => {
     test('escape key', () => {
       const onKeyPress = jest.fn();
       const input = findNativeInput(mount(<TextInput onKeyPress={onKeyPress} />));
-      input.simulate('keyPress', { which: 27 });
+      input.simulate('keyPress', { key: 'Escape' });
       expect(onKeyPress).toHaveBeenCalledTimes(1);
       expect(onKeyPress).toBeCalledWith(
         expect.objectContaining({
@@ -259,7 +259,7 @@ describe('components/TextInput', () => {
     test('space key', () => {
       const onKeyPress = jest.fn();
       const input = findNativeInput(mount(<TextInput onKeyPress={onKeyPress} />));
-      input.simulate('keyPress', { which: 32 });
+      input.simulate('keyPress', { key: ' ' });
       expect(onKeyPress).toHaveBeenCalledTimes(1);
       expect(onKeyPress).toBeCalledWith(
         expect.objectContaining({
@@ -278,7 +278,7 @@ describe('components/TextInput', () => {
     test('tab key', () => {
       const onKeyPress = jest.fn();
       const input = findNativeInput(mount(<TextInput onKeyPress={onKeyPress} />));
-      input.simulate('keyDown', { which: 9 });
+      input.simulate('keyDown', { key: 'Tab' });
       expect(onKeyPress).toHaveBeenCalledTimes(1);
       expect(onKeyPress).toBeCalledWith(
         expect.objectContaining({
@@ -297,7 +297,7 @@ describe('components/TextInput', () => {
     test('text key', () => {
       const onKeyPress = jest.fn();
       const input = findNativeInput(mount(<TextInput onKeyPress={onKeyPress} />));
-      input.simulate('keyPress', { which: 97 });
+      input.simulate('keyPress', { key: 'a' });
       expect(onKeyPress).toHaveBeenCalledTimes(1);
       expect(onKeyPress).toBeCalledWith(
         expect.objectContaining({
@@ -321,7 +321,7 @@ describe('components/TextInput', () => {
         ctrlKey: true,
         metaKey: true,
         shiftKey: true,
-        which: 32
+        key: ' '
       });
       expect(onKeyPress).toHaveBeenCalledTimes(1);
       expect(onKeyPress).toBeCalledWith(
@@ -343,7 +343,7 @@ describe('components/TextInput', () => {
       const input = findNativeInput(mount(<TextInput onKeyPress={onKeyPress} />));
       input.simulate('keyDown', {
         metaKey: true,
-        which: 13
+        key: 'Enter'
       });
       expect(onKeyPress).toHaveBeenCalledTimes(1);
     });
@@ -377,7 +377,7 @@ describe('components/TextInput', () => {
       const input = findNativeInput(
         mount(<TextInput defaultValue="12345" onSubmitEditing={onSubmitEditing} />)
       );
-      input.simulate('keyPress', { which: 13 });
+      input.simulate('keyPress', { key: 'Enter' });
       function onSubmitEditing(e) {
         expect(e.nativeEvent.target).toBeDefined();
         expect(e.nativeEvent.text).toBe('12345');
@@ -390,7 +390,7 @@ describe('components/TextInput', () => {
       const input = findNativeTextarea(
         mount(<TextInput defaultValue="12345" multiline onSubmitEditing={onSubmitEditing} />)
       );
-      input.simulate('keyPress', { which: 13 });
+      input.simulate('keyPress', { key: 'Enter' });
       expect(onSubmitEditing).not.toHaveBeenCalled();
     });
 
@@ -410,11 +410,11 @@ describe('components/TextInput', () => {
       );
 
       // shift+enter should enter newline, not submit
-      input.simulate('keyPress', { which: 13, preventDefault, shiftKey: true });
+      input.simulate('keyPress', { key: 'Enter', preventDefault, shiftKey: true });
       expect(onSubmitEditing).not.toHaveBeenCalledWith(expect.objectContaining({ shiftKey: true }));
       expect(preventDefault).not.toHaveBeenCalled();
 
-      input.simulate('keyPress', { which: 13, preventDefault });
+      input.simulate('keyPress', { key: 'Enter', preventDefault });
       expect(onSubmitEditing).toHaveBeenCalledTimes(1);
       expect(preventDefault).toHaveBeenCalledTimes(1);
     });

packages/react-native-web/src/exports/TextInput/index.js

@@ -318,14 +318,14 @@ class TextInput extends Component<*> {
     // Backspace, Escape, Tab, Cmd+Enter, and Arrow keys only fire 'keydown'
     // DOM events
     if (
-      e.which === 8 ||
+      e.key === 'ArrowLeft' ||
-      e.which === 9 ||
+      e.key === 'ArrowUp' ||
-      (e.which === 13 && e.metaKey) ||
+      e.key === 'ArrowRight' ||
-      e.which === 27 ||
+      e.key === 'ArrowDown' ||
-      e.which === 37 ||
+      e.key === 'Backspace' ||
-      e.which === 38 ||
+      e.key === 'Escape' ||
-      e.which === 39 ||
+      (e.key === 'Enter' && e.metaKey) ||
-      e.which === 40
+      e.key === 'Tab'
     ) {
       this._handleKeyPress(e);
     }
@@ -337,46 +337,7 @@ class TextInput extends Component<*> {
     const shouldBlurOnSubmit = blurOnSubmit == null ? blurOnSubmitDefault : blurOnSubmit;
 
     if (onKeyPress) {
-      let keyValue;
+      const keyValue = e.key;
-      switch (e.which) {
-        case 8:
-          keyValue = 'Backspace';
-          break;
-        case 9:
-          keyValue = 'Tab';
-          break;
-        case 13:
-          keyValue = 'Enter';
-          break;
-        case 27:
-          keyValue = 'Escape';
-          break;
-        case 32:
-          keyValue = ' ';
-          break;
-        case 37:
-          keyValue = 'ArrowLeft';
-          break;
-        case 38:
-          keyValue = 'ArrowUp';
-          break;
-        case 39:
-          keyValue = 'ArrowRight';
-          break;
-        case 40:
-          keyValue = 'ArrowDown';
-          break;
-        default: {
-          // Trim to only care about the keys that have a textual representation
-          if (e.shiftKey) {
-            keyValue = String.fromCharCode(e.which).trim();
-          } else {
-            keyValue = String.fromCharCode(e.which)
-              .toLowerCase()
-              .trim();
-          }
-        }
-      }
 
       if (keyValue) {
         e.nativeEvent = {
@@ -391,7 +352,7 @@ class TextInput extends Component<*> {
       }
     }
 
-    if (!e.isDefaultPrevented() && e.which === 13 && !e.shiftKey) {
+    if (!e.isDefaultPrevented() && e.key === 'Enter' && !e.shiftKey) {
       if ((blurOnSubmit || !multiline) && onSubmitEditing) {
         // prevent "Enter" from inserting a newline
         e.preventDefault();