From ad329c33fa90c3238dd490399d7c49324f12d57a Mon Sep 17 00:00:00 2001
From: Alex Gleason <alex@alexgleason.me>
Date: Wed, 11 Oct 2023 13:38:58 -0500
Subject: [PATCH] Remove AutosuggestTextarea

---
 package.json                                  |   1 -
 src/components/autosuggest-textarea.tsx       | 288 ------------------
 .../compose/components/compose-form.tsx       |  27 +-
 yarn.lock                                     |  28 +-
 4 files changed, 2 insertions(+), 342 deletions(-)
 delete mode 100644 src/components/autosuggest-textarea.tsx

diff --git a/package.json b/package.json
index aac07953f..c97a7ae5d 100644
--- a/package.json
+++ b/package.json
@@ -152,7 +152,6 @@
     "react-sparklines": "^1.7.0",
     "react-sticky-box": "^2.0.0",
     "react-swipeable-views": "^0.14.0",
-    "react-textarea-autosize": "^8.3.4",
     "react-virtuoso": "^4.3.11",
     "redux": "^4.1.1",
     "redux-immutable": "^4.0.0",
diff --git a/src/components/autosuggest-textarea.tsx b/src/components/autosuggest-textarea.tsx
deleted file mode 100644
index 233c1e4e3..000000000
--- a/src/components/autosuggest-textarea.tsx
+++ /dev/null
@@ -1,288 +0,0 @@
-import clsx from 'clsx';
-import React from 'react';
-import ImmutablePureComponent from 'react-immutable-pure-component';
-import Textarea from 'react-textarea-autosize';
-
-import { Portal } from 'soapbox/components/ui';
-import AutosuggestAccount from 'soapbox/features/compose/components/autosuggest-account';
-import { isRtl } from 'soapbox/utils/rtl';
-import { textAtCursorMatchesToken } from 'soapbox/utils/suggestions';
-
-import AutosuggestEmoji from './autosuggest-emoji';
-
-import type { List as ImmutableList } from 'immutable';
-import type { Emoji } from 'soapbox/features/emoji';
-
-interface IAutosuggesteTextarea {
-  id?: string;
-  value: string;
-  suggestions: ImmutableList<string>;
-  disabled: boolean;
-  placeholder: string;
-  onSuggestionSelected: (tokenStart: number, token: string | null, value: string | undefined) => void;
-  onSuggestionsClearRequested: () => void;
-  onSuggestionsFetchRequested: (token: string | number) => void;
-  onChange: React.ChangeEventHandler<HTMLTextAreaElement>;
-  onKeyUp?: React.KeyboardEventHandler<HTMLTextAreaElement>;
-  onKeyDown?: React.KeyboardEventHandler<HTMLTextAreaElement>;
-  onPaste: (files: FileList) => void;
-  autoFocus: boolean;
-  onFocus: () => void;
-  onBlur?: () => void;
-  condensed?: boolean;
-  children: React.ReactNode;
-}
-
-class AutosuggestTextarea extends ImmutablePureComponent<IAutosuggesteTextarea> {
-
-  textarea: HTMLTextAreaElement | null = null;
-
-  static defaultProps = {
-    autoFocus: true,
-  };
-
-  state = {
-    suggestionsHidden: true,
-    focused: false,
-    selectedSuggestion: 0,
-    lastToken: null,
-    tokenStart: 0,
-  };
-
-  onChange: React.ChangeEventHandler<HTMLTextAreaElement> = (e) => {
-    const [tokenStart, token] = textAtCursorMatchesToken(
-      e.target.value,
-      e.target.selectionStart,
-      ['@', ':', '#'],
-    );
-
-    if (token !== null && this.state.lastToken !== token) {
-      this.setState({ lastToken: token, selectedSuggestion: 0, tokenStart });
-      this.props.onSuggestionsFetchRequested(token);
-    } else if (token === null) {
-      this.setState({ lastToken: null });
-      this.props.onSuggestionsClearRequested();
-    }
-
-    this.props.onChange(e);
-  };
-
-  onKeyDown: React.KeyboardEventHandler<HTMLTextAreaElement> = (e) => {
-    const { suggestions, disabled } = this.props;
-    const { selectedSuggestion, suggestionsHidden } = this.state;
-
-    if (disabled) {
-      e.preventDefault();
-      return;
-    }
-
-    if (e.which === 229 || (e as any).isComposing) {
-      // Ignore key events during text composition
-      // e.key may be a name of the physical key even in this case (e.x. Safari / Chrome on Mac)
-      return;
-    }
-
-    switch (e.key) {
-      case 'Escape':
-        if (suggestions.size === 0 || suggestionsHidden) {
-          document.querySelector('.ui')?.parentElement?.focus();
-        } else {
-          e.preventDefault();
-          this.setState({ suggestionsHidden: true });
-        }
-
-        break;
-      case 'ArrowDown':
-        if (suggestions.size > 0 && !suggestionsHidden) {
-          e.preventDefault();
-          this.setState({ selectedSuggestion: Math.min(selectedSuggestion + 1, suggestions.size - 1) });
-        }
-
-        break;
-      case 'ArrowUp':
-        if (suggestions.size > 0 && !suggestionsHidden) {
-          e.preventDefault();
-          this.setState({ selectedSuggestion: Math.max(selectedSuggestion - 1, 0) });
-        }
-
-        break;
-      case 'Enter':
-      case 'Tab':
-        // Select suggestion
-        if (this.state.lastToken !== null && suggestions.size > 0 && !suggestionsHidden) {
-          e.preventDefault();
-          e.stopPropagation();
-          this.props.onSuggestionSelected(this.state.tokenStart, this.state.lastToken, suggestions.get(selectedSuggestion));
-        }
-
-        break;
-    }
-
-    if (e.defaultPrevented || !this.props.onKeyDown) {
-      return;
-    }
-
-    this.props.onKeyDown(e);
-  };
-
-  onBlur = () => {
-    this.setState({ suggestionsHidden: true, focused: false });
-
-    if (this.props.onBlur) {
-      this.props.onBlur();
-    }
-  };
-
-  onFocus = () => {
-    this.setState({ focused: true });
-
-    if (this.props.onFocus) {
-      this.props.onFocus();
-    }
-  };
-
-  onSuggestionClick: React.MouseEventHandler<HTMLDivElement> = (e) => {
-    const suggestion = this.props.suggestions.get(e.currentTarget.getAttribute('data-index') as any);
-    e.preventDefault();
-    this.props.onSuggestionSelected(this.state.tokenStart, this.state.lastToken, suggestion);
-    this.textarea?.focus();
-  };
-
-  shouldComponentUpdate(nextProps: IAutosuggesteTextarea, nextState: any) {
-    // Skip updating when only the lastToken changes so the
-    // cursor doesn't jump around due to re-rendering unnecessarily
-    const lastTokenUpdated = this.state.lastToken !== nextState.lastToken;
-    const valueUpdated = this.props.value !== nextProps.value;
-
-    if (lastTokenUpdated && !valueUpdated) {
-      return false;
-    } else {
-      // https://stackoverflow.com/a/35962835
-      return super.shouldComponentUpdate!.bind(this)(nextProps, nextState, undefined);
-    }
-  }
-
-  componentDidUpdate(prevProps: IAutosuggesteTextarea, prevState: any) {
-    const { suggestions } = this.props;
-    if (suggestions !== prevProps.suggestions && suggestions.size > 0 && prevState.suggestionsHidden && prevState.focused) {
-      this.setState({ suggestionsHidden: false });
-    }
-  }
-
-  setTextarea: React.Ref<HTMLTextAreaElement> = (c) => {
-    this.textarea = c;
-  };
-
-  onPaste: React.ClipboardEventHandler<HTMLTextAreaElement> = (e) => {
-    if (e.clipboardData && e.clipboardData.files.length === 1) {
-      this.props.onPaste(e.clipboardData.files);
-      e.preventDefault();
-    }
-  };
-
-  renderSuggestion = (suggestion: string | Emoji, i: number) => {
-    const { selectedSuggestion } = this.state;
-    let inner, key;
-
-    if (typeof suggestion === 'object') {
-      inner = <AutosuggestEmoji emoji={suggestion} />;
-      key = suggestion.id;
-    } else if (suggestion[0] === '#') {
-      inner = suggestion;
-      key = suggestion;
-    } else {
-      inner = <AutosuggestAccount id={suggestion} />;
-      key = suggestion;
-    }
-
-    return (
-      <div
-        role='button'
-        tabIndex={0}
-        key={key}
-        data-index={i}
-        className={clsx({
-          'px-4 py-2.5 text-sm text-gray-700 dark:text-gray-500 hover:bg-gray-100 dark:hover:bg-gray-800 focus:bg-gray-100 dark:focus:bg-primary-800 group': true,
-          'bg-gray-100 dark:bg-gray-800 hover:bg-gray-100 dark:hover:bg-gray-800': i === selectedSuggestion,
-        })}
-        onMouseDown={this.onSuggestionClick}
-      >
-        {inner}
-      </div>
-    );
-  };
-
-  setPortalPosition() {
-    if (!this.textarea) {
-      return {};
-    }
-
-    const { top, height, left, width } = this.textarea.getBoundingClientRect();
-
-    return {
-      top: top + height,
-      left,
-      width,
-    };
-  }
-
-  render() {
-    const { value, suggestions, disabled, placeholder, onKeyUp, autoFocus, children, condensed, id } = this.props;
-    const { suggestionsHidden } = this.state;
-    const style = { direction: 'ltr', minRows: 10 };
-
-    // TODO: convert to functional component and use `useLocale()` hook instead of checking placeholder text.
-    if (isRtl(value) || (!value && placeholder && isRtl(placeholder))) {
-      style.direction = 'rtl';
-    }
-
-    return [
-      <div key='textarea'>
-        <div className='relative'>
-          <label>
-            <span style={{ display: 'none' }}>{placeholder}</span>
-
-            <Textarea
-              ref={this.setTextarea}
-              className={clsx('w-full resize-none border-0 px-0 text-gray-800 transition-[min-height] placeholder:text-gray-600 focus:border-0 focus:shadow-none focus:ring-0 motion-reduce:transition-none dark:bg-transparent dark:text-white dark:placeholder:text-gray-600', {
-                'min-h-[40px]': condensed,
-                'min-h-[100px]': !condensed,
-              })}
-              id={id}
-              disabled={disabled}
-              placeholder={placeholder}
-              autoFocus={autoFocus}
-              value={value}
-              onChange={this.onChange}
-              onKeyDown={this.onKeyDown}
-              onKeyUp={onKeyUp}
-              onFocus={this.onFocus}
-              onBlur={this.onBlur}
-              onPaste={this.onPaste}
-              style={style as any}
-              aria-autocomplete='list'
-            />
-          </label>
-        </div>
-
-        {children}
-      </div>,
-
-      <Portal key='portal'>
-        <div
-          style={this.setPortalPosition()}
-          className={clsx({
-            'fixed z-1000 shadow bg-white dark:bg-gray-900 rounded-lg py-1 space-y-0 dark:ring-2 dark:ring-primary-700 focus:outline-none': true,
-            hidden: suggestionsHidden || suggestions.isEmpty(),
-            block: !suggestionsHidden && !suggestions.isEmpty(),
-          })}
-        >
-          {suggestions.map(this.renderSuggestion)}
-        </div>
-      </Portal>,
-    ];
-  }
-
-}
-
-export default AutosuggestTextarea;
diff --git a/src/features/compose/components/compose-form.tsx b/src/features/compose/components/compose-form.tsx
index 13a627b93..db583569f 100644
--- a/src/features/compose/components/compose-form.tsx
+++ b/src/features/compose/components/compose-form.tsx
@@ -14,7 +14,6 @@ import {
   uploadCompose,
 } from 'soapbox/actions/compose';
 import AutosuggestInput, { AutoSuggestion } from 'soapbox/components/autosuggest-input';
-import AutosuggestTextarea from 'soapbox/components/autosuggest-textarea';
 import { Button, HStack, Stack } from 'soapbox/components/ui';
 import EmojiPickerDropdown from 'soapbox/features/emoji/containers/emoji-picker-dropdown-container';
 import { ComposeEditor } from 'soapbox/features/ui/util/async-components';
@@ -82,8 +81,6 @@ const ComposeForm = <ID extends string>({ id, shouldCondense, autoFocus, clickab
     spoiler,
     spoiler_text: spoilerText,
     privacy,
-    focusDate,
-    caretPosition,
     is_submitting: isSubmitting,
     is_changing_upload:
     isChangingUpload,
@@ -104,7 +101,6 @@ const ComposeForm = <ID extends string>({ id, shouldCondense, autoFocus, clickab
   const firstRender = useRef(true);
   const formRef = useRef<HTMLDivElement>(null);
   const spoilerTextRef = useRef<AutosuggestInput>(null);
-  const autosuggestTextareaRef = useRef<AutosuggestTextarea>(null);
   const editorRef = useRef<LexicalEditor>(null);
 
   const { isDraggedOver } = useDraggedFiles(formRef);
@@ -172,11 +168,6 @@ const ComposeForm = <ID extends string>({ id, shouldCondense, autoFocus, clickab
     dispatch(selectComposeSuggestion(id, tokenStart, token, value, ['spoiler_text']));
   };
 
-  const setCursor = (start: number, end: number = start) => {
-    if (!autosuggestTextareaRef.current?.textarea) return;
-    autosuggestTextareaRef.current.textarea.setSelectionRange(start, end);
-  };
-
   const handleEmojiPick = (data: Emoji) => {
     const editor = editorRef.current;
     if (!editor) return;
@@ -194,18 +185,9 @@ const ComposeForm = <ID extends string>({ id, shouldCondense, autoFocus, clickab
     spoilerTextRef.current?.input?.focus();
   };
 
-  const focusTextarea = () => {
-    autosuggestTextareaRef.current?.textarea?.focus();
-  };
-
   useEffect(() => {
-    const length = text.length;
     document.addEventListener('click', handleClick, true);
 
-    if (length > 0) {
-      setCursor(length); // Set cursor at end
-    }
-
     return () => {
       document.removeEventListener('click', handleClick, true);
     };
@@ -213,21 +195,14 @@ const ComposeForm = <ID extends string>({ id, shouldCondense, autoFocus, clickab
 
   useEffect(() => {
     if (spoiler && firstRender.current) {
-      focusTextarea();
       firstRender.current = false;
     } else if (!spoiler && prevSpoiler) {
-      focusTextarea();
+      //
     } else if (spoiler && !prevSpoiler) {
       focusSpoilerInput();
     }
   }, [spoiler]);
 
-  useEffect(() => {
-    if (typeof caretPosition === 'number') {
-      setCursor(caretPosition);
-    }
-  }, [focusDate]);
-
   const renderButtons = useCallback(() => (
     <HStack alignItems='center' space={2}>
       {features.media && <UploadButtonContainer composeId={id} />}
diff --git a/yarn.lock b/yarn.lock
index 7fa150531..5ca1e8f38 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1051,7 +1051,7 @@
   dependencies:
     regenerator-runtime "^0.12.0"
 
-"@babel/runtime@^7.1.2", "@babel/runtime@^7.10.2", "@babel/runtime@^7.11.2", "@babel/runtime@^7.12.1", "@babel/runtime@^7.12.13", "@babel/runtime@^7.12.5", "@babel/runtime@^7.2.0", "@babel/runtime@^7.20.7", "@babel/runtime@^7.7.6", "@babel/runtime@^7.8.4", "@babel/runtime@^7.9.2":
+"@babel/runtime@^7.1.2", "@babel/runtime@^7.11.2", "@babel/runtime@^7.12.1", "@babel/runtime@^7.12.13", "@babel/runtime@^7.12.5", "@babel/runtime@^7.2.0", "@babel/runtime@^7.20.7", "@babel/runtime@^7.7.6", "@babel/runtime@^7.8.4", "@babel/runtime@^7.9.2":
   version "7.22.15"
   resolved "https://registry.yarnpkg.com/@babel/runtime/-/runtime-7.22.15.tgz#38f46494ccf6cf020bd4eed7124b425e83e523b8"
   integrity sha512-T0O+aa+4w0u06iNmapipJXMV4HoUir03hpx3/YqXXhu9xim3w+dVphjFWl1OH8NbZHw5Lbm9k45drDkgq2VNNA==
@@ -7589,15 +7589,6 @@ react-swipeable-views@^0.14.0:
     react-swipeable-views-utils "^0.14.0"
     warning "^4.0.1"
 
-react-textarea-autosize@^8.3.4:
-  version "8.3.4"
-  resolved "https://registry.yarnpkg.com/react-textarea-autosize/-/react-textarea-autosize-8.3.4.tgz#270a343de7ad350534141b02c9cb78903e553524"
-  integrity sha512-CdtmP8Dc19xL8/R6sWvtknD/eCXkQr30dtvC4VmGInhRsfF8X/ihXCq6+9l9qbxmKRiq407/7z5fxE7cVWQNgQ==
-  dependencies:
-    "@babel/runtime" "^7.10.2"
-    use-composed-ref "^1.3.0"
-    use-latest "^1.2.1"
-
 react-transition-group@^2.2.1:
   version "2.9.0"
   resolved "https://registry.yarnpkg.com/react-transition-group/-/react-transition-group-2.9.0.tgz#df9cdb025796211151a436c69a8f3b97b5b07c8d"
@@ -8956,23 +8947,6 @@ url-parse@^1.5.3:
     querystringify "^2.1.1"
     requires-port "^1.0.0"
 
-use-composed-ref@^1.3.0:
-  version "1.3.0"
-  resolved "https://registry.yarnpkg.com/use-composed-ref/-/use-composed-ref-1.3.0.tgz#3d8104db34b7b264030a9d916c5e94fbe280dbda"
-  integrity sha512-GLMG0Jc/jiKov/3Ulid1wbv3r54K9HlMW29IWcDFPEqFkSO2nS0MuefWgMJpeHQ9YJeXDL3ZUF+P3jdXlZX/cQ==
-
-use-isomorphic-layout-effect@^1.1.1:
-  version "1.1.2"
-  resolved "https://registry.yarnpkg.com/use-isomorphic-layout-effect/-/use-isomorphic-layout-effect-1.1.2.tgz#497cefb13d863d687b08477d9e5a164ad8c1a6fb"
-  integrity sha512-49L8yCO3iGT/ZF9QttjwLF/ZD9Iwto5LnH5LmEdk/6cFmXddqi2ulF0edxTwjj+7mqvpVVGQWvbXZdn32wRSHA==
-
-use-latest@^1.2.1:
-  version "1.2.1"
-  resolved "https://registry.yarnpkg.com/use-latest/-/use-latest-1.2.1.tgz#d13dfb4b08c28e3e33991546a2cee53e14038cf2"
-  integrity sha512-xA+AVm/Wlg3e2P/JiItTziwS7FK92LWrDB0p+hgXloIMuVCeJJ8v6f0eeHyPZaJrM+usM1FkFfbNCrJGs8A/zw==
-  dependencies:
-    use-isomorphic-layout-effect "^1.1.1"
-
 use-sync-external-store@^1.0.0, use-sync-external-store@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/use-sync-external-store/-/use-sync-external-store-1.2.0.tgz#7dbefd6ef3fe4e767a0cf5d7287aacfb5846928a"