feat(text-field): Sync inputComponent when component is updated (#848)

Author: 태재영

packages/text-field/Input.tsx

@@ -29,7 +29,7 @@ export interface InputProps<T extends HTMLElement = HTMLInputElement> {
   isValid?: boolean;
   foundation?: MDCTextFieldFoundation;
   handleValueChange?: (value: string | number | string[] | undefined, cb: () => void) => void;
-  ref?: (inputInstance: Input<T>) => void,
+  syncInput?: (inputInstance: Input<T>) => void,
   onBlur?: Pick<React.HTMLProps<T>, 'onBlur'>;
   onChange?: Pick<React.HTMLProps<T>, 'onChange'>;
   onFocus?: Pick<React.HTMLProps<T>, 'onFocus'>;
@@ -81,6 +81,7 @@ export default class Input<T extends HTMLElement = HTMLInputElement> extends Rea
   componentDidMount() {
     const {
       id,
+      syncInput,
       disabled,
       value,
       setInputId,
@@ -89,6 +90,9 @@ export default class Input<T extends HTMLElement = HTMLInputElement> extends Rea
       foundation,
       isValid,
     } = this.props;
+    if (syncInput) {
+      syncInput(this);
+    }
     if (setInputId && id) {
       setInputId(id!);
     }
@@ -257,6 +261,7 @@ export default class Input<T extends HTMLElement = HTMLInputElement> extends Rea
       /* eslint-disable no-unused-vars */
       className,
       foundation,
+      syncInput,
       isValid,
       value,
       handleFocusChange,

packages/text-field/index.tsx

@@ -275,18 +275,13 @@ class TextField<T extends HTMLElement = HTMLInputElement> extends React.Componen
   inputProps(child: React.ReactElement<InputProps<T>>) {
     // ref does exist on React.ReactElement<InputProps<T>>
     // @ts-ignore
-    const {props, ref} = child;
+    const {props} = child;
     return Object.assign({}, props, {
       foundation: this.state.foundation,
       handleFocusChange: (isFocused: boolean) => this.setState({isFocused}),
       setDisabled: (disabled: boolean) => this.setState({disabled}),
       setInputId: (id: string) => this.setState({inputId: id}),
-      ref: (input: Input<T>) => {
-        if (typeof ref === 'function') {
-          ref(input);
-        }
-        this.inputComponent_ = input;
-      },
+      syncInput: (input: Input<T>) => (this.inputComponent_ = input),
       inputType: this.props.textarea ? 'textarea' : 'input',
     });
   }

test/unit/text-field/index.test.tsx

@@ -696,3 +696,21 @@ test('Useless test for code coverage', () => {
   wrapper.instance().adapter.registerInputInteractionHandler(temp, temp);
   wrapper.instance().adapter.deregisterInputInteractionHandler(temp, temp);
 });
+
+test('Input component sync test in TextField', () => {
+  class TestComponent extends React.Component {
+    state = {
+      disabled: false,
+    };
+    render() {
+      return <TextField>
+        <Input disabled={this.state.disabled} />
+      </TextField>;
+    }
+  }
+  const wrapper = mount<TestComponent>(<TestComponent/>);
+  // If inputComponent is null and disabled is true,
+  // setDisabled called #inputAdapter.getNativeInput
+  // and throw error because there is no inputComponent
+  assert.doesNotThrow(() => wrapper.instance().setState({disabled: true}));
+});