Remove unnecessary constructors (#3280)

app/javascript/mastodon/components/account.js

@@ -27,22 +27,15 @@ class Account extends ImmutablePureComponent {
     intl: PropTypes.object.isRequired,
   };
 
-  constructor (props, context) {
+  handleFollow = () => {
-    super(props, context);
-    this.handleFollow = this.handleFollow.bind(this);
-    this.handleBlock = this.handleBlock.bind(this);
-    this.handleMute = this.handleMute.bind(this);
-  }
-
-  handleFollow () {
     this.props.onFollow(this.props.account);
   }
 
-  handleBlock () {
+  handleBlock = () => {
     this.props.onBlock(this.props.account);
   }
 
-  handleMute () {
+  handleMute = () => {
     this.props.onMute(this.props.account);
   }
 

app/javascript/mastodon/components/autosuggest_textarea.js

@@ -51,23 +51,14 @@ class AutosuggestTextarea extends ImmutablePureComponent {
     autoFocus: true,
   };
 
-  constructor (props, context) {
+  state = {
-    super(props, context);
-    this.state = {
     suggestionsHidden: false,
     selectedSuggestion: 0,
     lastToken: null,
     tokenStart: 0,
   };
-    this.onChange = this.onChange.bind(this);
-    this.onKeyDown = this.onKeyDown.bind(this);
-    this.onBlur = this.onBlur.bind(this);
-    this.onSuggestionClick = this.onSuggestionClick.bind(this);
-    this.setTextarea = this.setTextarea.bind(this);
-    this.onPaste = this.onPaste.bind(this);
-  }
 
-  onChange (e) {
+  onChange = (e) => {
     const [ tokenStart, token ] = textAtCursorMatchesToken(e.target.value, e.target.selectionStart);
 
     if (token !== null && this.state.lastToken !== token) {
@@ -85,7 +76,7 @@ class AutosuggestTextarea extends ImmutablePureComponent {
     this.props.onChange(e);
   }
 
-  onKeyDown (e) {
+  onKeyDown = (e) => {
     const { suggestions, disabled } = this.props;
     const { selectedSuggestion, suggestionsHidden } = this.state;
 
@@ -135,7 +126,7 @@ class AutosuggestTextarea extends ImmutablePureComponent {
     this.props.onKeyDown(e);
   }
 
-  onBlur () {
+  onBlur = () => {
     // If we hide the suggestions immediately, then this will prevent the
     // onClick for the suggestions themselves from firing.
     // Setting a short window for that to take place before hiding the
@@ -145,7 +136,7 @@ class AutosuggestTextarea extends ImmutablePureComponent {
     }, 100);
   }
 
-  onSuggestionClick (e) {
+  onSuggestionClick = (e) => {
     const suggestion = Number(e.currentTarget.getAttribute('data-index'));
     e.preventDefault();
     this.props.onSuggestionSelected(this.state.tokenStart, this.state.lastToken, suggestion);
@@ -158,11 +149,11 @@ class AutosuggestTextarea extends ImmutablePureComponent {
     }
   }
 
-  setTextarea (c) {
+  setTextarea = (c) => {
     this.textarea = c;
   }
 
-  onPaste (e) {
+  onPaste = (e) => {
     if (e.clipboardData && e.clipboardData.files.length === 1) {
       this.props.onPaste(e.clipboardData.files);
       e.preventDefault();

app/javascript/mastodon/features/ui/components/boost_modal.js

@@ -27,12 +27,6 @@ class BoostModal extends ImmutablePureComponent {
     intl: PropTypes.object.isRequired,
   };
 
-  constructor (props, context) {
-    super(props, context);
-    this.handleReblog = this.handleReblog.bind(this);
-    this.handleAccountClick = this.handleAccountClick.bind(this);
-  }
-
   handleReblog = () => {
     this.props.onReblog(this.props.status);
     this.props.onClose();