ComposerTextarea → AutosuggestTextarea

10 files changed, 350 insertions, 499 deletions

diff --git a/app/javascript/flavours/glitch/components/autosuggest_emoji.js b/app/javascript/flavours/glitch/components/autosuggest_emoji.js
new file mode 100644
index 000000000..c8609e48f
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/autosuggest_emoji.js
@@ -0,0 +1,42 @@
+import React from 'react';
+import PropTypes from 'prop-types';
+import unicodeMapping from 'flavours/glitch/util/emoji/emoji_unicode_mapping_light';
+
+const assetHost = process.env.CDN_HOST || '';
+
+export default class AutosuggestEmoji extends React.PureComponent {
+
+  static propTypes = {
+    emoji: PropTypes.object.isRequired,
+  };
+
+  render () {
+    const { emoji } = this.props;
+    let url;
+
+    if (emoji.custom) {
+      url = emoji.imageUrl;
+    } else {
+      const mapping = unicodeMapping[emoji.native] || unicodeMapping[emoji.native.replace(/\uFE0F$/, '')];
+
+      if (!mapping) {
+        return null;
+      }
+
+      url = `${assetHost}/emoji/${mapping.filename}.svg`;
+    }
+
+    return (
+      <div className='emoji'>
+        <img
+          className='emojione'
+          src={url}
+          alt={emoji.native || emoji.colons}
+        />
+
+        {emoji.colons}
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/components/autosuggest_textarea.js b/app/javascript/flavours/glitch/components/autosuggest_textarea.js
new file mode 100644
index 000000000..af8fbe406
--- /dev/null
+++ b/app/javascript/flavours/glitch/components/autosuggest_textarea.js
@@ -0,0 +1,224 @@
+import React from 'react';
+import AutosuggestAccountContainer from 'flavours/glitch/features/compose/containers/autosuggest_account_container';
+import AutosuggestEmoji from './autosuggest_emoji';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import PropTypes from 'prop-types';
+import { isRtl } from 'flavours/glitch/util/rtl';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+import Textarea from 'react-textarea-autosize';
+import classNames from 'classnames';
+
+const textAtCursorMatchesToken = (str, caretPosition) => {
+  let word;
+
+  let left  = str.slice(0, caretPosition).search(/[^\s\u200B]+$/);
+  let right = str.slice(caretPosition).search(/[\s\u200B]/);
+
+  if (right < 0) {
+    word = str.slice(left);
+  } else {
+    word = str.slice(left, right + caretPosition);
+  }
+
+  if (!word || word.trim().length < 3 || ['@', ':', '#'].indexOf(word[0]) === -1) {
+    return [null, null];
+  }
+
+  word = word.trim().toLowerCase();
+
+  if (word.length > 0) {
+    return [left, word];
+  } else {
+    return [null, null];
+  }
+};
+
+export default class AutosuggestTextarea extends ImmutablePureComponent {
+
+  static propTypes = {
+    value: PropTypes.string,
+    suggestions: ImmutablePropTypes.list,
+    disabled: PropTypes.bool,
+    placeholder: PropTypes.string,
+    onSuggestionSelected: PropTypes.func.isRequired,
+    onSuggestionsClearRequested: PropTypes.func.isRequired,
+    onSuggestionsFetchRequested: PropTypes.func.isRequired,
+    onChange: PropTypes.func.isRequired,
+    onKeyUp: PropTypes.func,
+    onKeyDown: PropTypes.func,
+    onPaste: PropTypes.func.isRequired,
+    autoFocus: PropTypes.bool,
+  };
+
+  static defaultProps = {
+    autoFocus: true,
+  };
+
+  state = {
+    suggestionsHidden: false,
+    selectedSuggestion: 0,
+    lastToken: null,
+    tokenStart: 0,
+  };
+
+  onChange = (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 = (e) => {
+    const { suggestions, disabled } = this.props;
+    const { selectedSuggestion, suggestionsHidden } = this.state;
+
+    if (disabled) {
+      e.preventDefault();
+      return;
+    }
+
+    if (e.which === 229 || e.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 });
+  }
+
+  onSuggestionClick = (e) => {
+    const suggestion = this.props.suggestions.get(e.currentTarget.getAttribute('data-index'));
+    e.preventDefault();
+    this.props.onSuggestionSelected(this.state.tokenStart, this.state.lastToken, suggestion);
+    this.textarea.focus();
+  }
+
+  componentWillReceiveProps (nextProps) {
+    if (nextProps.suggestions !== this.props.suggestions && nextProps.suggestions.size > 0 && this.state.suggestionsHidden) {
+      this.setState({ suggestionsHidden: false });
+    }
+  }
+
+  setTextarea = (c) => {
+    this.textarea = c;
+  }
+
+  onPaste = (e) => {
+    if (e.clipboardData && e.clipboardData.files.length === 1) {
+      this.props.onPaste(e.clipboardData.files);
+      e.preventDefault();
+    }
+  }
+
+  renderSuggestion = (suggestion, i) => {
+    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 = <AutosuggestAccountContainer id={suggestion} />;
+      key   = suggestion;
+    }
+
+    return (
+      <div role='button' tabIndex='0' key={key} data-index={i} className={classNames('autosuggest-textarea__suggestions__item', { selected: i === selectedSuggestion })} onMouseDown={this.onSuggestionClick}>
+        {inner}
+      </div>
+    );
+  }
+
+  render () {
+    const { value, suggestions, disabled, placeholder, onKeyUp, autoFocus } = this.props;
+    const { suggestionsHidden } = this.state;
+    const style = { direction: 'ltr' };
+
+    if (isRtl(value)) {
+      style.direction = 'rtl';
+    }
+
+    return (
+      <div className='autosuggest-textarea'>
+        <label>
+          <span style={{ display: 'none' }}>{placeholder}</span>
+
+          <Textarea
+            inputRef={this.setTextarea}
+            className='autosuggest-textarea__textarea'
+            disabled={disabled}
+            placeholder={placeholder}
+            autoFocus={autoFocus}
+            value={value}
+            onChange={this.onChange}
+            onKeyDown={this.onKeyDown}
+            onKeyUp={onKeyUp}
+            onBlur={this.onBlur}
+            onPaste={this.onPaste}
+            style={style}
+            aria-autocomplete='list'
+          />
+        </label>
+
+        <div className={`autosuggest-textarea__suggestions ${suggestionsHidden || suggestions.isEmpty() ? '' : 'autosuggest-textarea__suggestions--visible'}`}>
+          {suggestions.map(this.renderSuggestion)}
+        </div>
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/compose/components/autosuggest_account.js b/app/javascript/flavours/glitch/features/compose/components/autosuggest_account.js
new file mode 100644
index 000000000..fb9bb5035
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/compose/components/autosuggest_account.js
@@ -0,0 +1,24 @@
+import React from 'react';
+import Avatar from 'flavours/glitch/components/avatar';
+import DisplayName from 'flavours/glitch/components/display_name';
+import ImmutablePropTypes from 'react-immutable-proptypes';
+import ImmutablePureComponent from 'react-immutable-pure-component';
+
+export default class AutosuggestAccount extends ImmutablePureComponent {
+
+  static propTypes = {
+    account: ImmutablePropTypes.map.isRequired,
+  };
+
+  render () {
+    const { account } = this.props;
+
+    return (
+      <div className='account small' title={account.get('acct')}>
+        <div className='account__avatar-wrapper'><Avatar account={account} size={24} /></div>
+        <DisplayName account={account} inline />
+      </div>
+    );
+  }
+
+}
diff --git a/app/javascript/flavours/glitch/features/compose/components/compose_form.js b/app/javascript/flavours/glitch/features/compose/components/compose_form.js
index ecd1aed69..2ea137965 100644
--- a/app/javascript/flavours/glitch/features/compose/components/compose_form.js
+++ b/app/javascript/flavours/glitch/features/compose/components/compose_form.js
@@ -7,17 +7,20 @@ import ImmutablePureComponent from 'react-immutable-pure-component';
 //  Components.
 import ComposerOptions from '../../composer/options';
 import ComposerPublisher from '../../composer/publisher';
-import ComposerTextarea from '../../composer/textarea';
+import ComposerTextareaIcons from '../../composer/textarea/icons';
 import UploadFormContainer from '../containers/upload_form_container';
 import PollFormContainer from '../containers/poll_form_container';
 import WarningContainer from '../containers/warning_container';
 import ReplyIndicatorContainer from '../containers/reply_indicator_container';
+import EmojiPicker from 'flavours/glitch/features/emoji_picker';
+import AutosuggestTextarea from '../../../components/autosuggest_textarea';
 
 //  Utils.
 import { countableText } from 'flavours/glitch/util/counter';
 import { isMobile } from 'flavours/glitch/util/is_mobile';
 
 const messages = defineMessages({
+  placeholder: { id: 'compose_form.placeholder', defaultMessage: 'What is on your mind?' },
   missingDescriptionMessage: {  id: 'confirmations.missing_media_description.message',
                                 defaultMessage: 'At least one media attachment is lacking a description. Consider describing all media attachments for the visually impaired before sending your toot.' },
   missingDescriptionConfirm: {  id: 'confirmations.missing_media_description.confirm',
@@ -183,7 +186,7 @@ class ComposeForm extends ImmutablePureComponent {
   }
 
   //  Sets a reference to the textarea.
-  handleRefTextarea = (textareaComponent) => {
+  setAutosuggestTextarea = (textareaComponent) => {
     if (textareaComponent) {
       this.textarea = textareaComponent.textarea;
     }
@@ -269,6 +272,10 @@ class ComposeForm extends ImmutablePureComponent {
     }
   }
 
+  handleChange = (e) => {
+    this.props.onChangeText(e.target.value);
+  }
+
   render () {
     const {
       handleEmoji,
@@ -339,27 +346,35 @@ class ComposeForm extends ImmutablePureComponent {
           </label>
         </div>
 
-        <ComposerTextarea
-          advancedOptions={advancedOptions}
-          autoFocus={!showSearch && !isMobile(window.innerWidth, layout)}
-          disabled={isSubmitting}
-          intl={intl}
-          onChange={onChangeText}
-          onPaste={onUpload}
-          onPickEmoji={handleEmoji}
-          onSubmit={handleSubmit}
-          onSecondarySubmit={handleSecondarySubmit}
-          onSuggestionsClearRequested={onClearSuggestions}
-          onSuggestionsFetchRequested={onFetchSuggestions}
-          onSuggestionSelected={handleSelect}
-          ref={handleRefTextarea}
-          suggestions={suggestions}
-          value={text}
-        />
+        <div className='composer--textarea'>
+          <ComposerTextareaIcons
+            advancedOptions={advancedOptions}
+            intl={intl}
+          />
+
+          <AutosuggestTextarea
+            ref={this.setAutosuggestTextarea}
+            placeholder={intl.formatMessage(messages.placeholder)}
+            disabled={isSubmitting}
+            value={this.props.text}
+            onChange={this.handleChange}
+            suggestions={this.props.suggestions}
+            onKeyDown={this.handleKeyDown}
+            onSuggestionsFetchRequested={onFetchSuggestions}
+            onSuggestionsClearRequested={onClearSuggestions}
+            onSuggestionSelected={this.handleSelect}
+            onPaste={onUpload}
+            autoFocus={!showSearch && !isMobile(window.innerWidth, layout)}
+          />
+
+          <EmojiPicker onPickEmoji={handleEmoji} />
+        </div>
+
         <div className='compose-form__modifiers'>
           <UploadFormContainer />
           <PollFormContainer />
         </div>
+
         <ComposerOptions
           acceptContentTypes={acceptContentTypes}
           advancedOptions={advancedOptions}
@@ -385,6 +400,7 @@ class ComposeForm extends ImmutablePureComponent {
           sensitive={sensitive || (spoilersAlwaysOn && spoilerText && spoilerText.length > 0)}
           spoiler={spoilersAlwaysOn ? (spoilerText && spoilerText.length > 0) : spoiler}
         />
+
         <ComposerPublisher
           countText={`${spoilerText}${countableText(text)}${advancedOptions && advancedOptions.get('do_not_federate') ? ' 👁️' : ''}`}
           disabled={disabledButton}
diff --git a/app/javascript/flavours/glitch/features/compose/containers/autosuggest_account_container.js b/app/javascript/flavours/glitch/features/compose/containers/autosuggest_account_container.js
new file mode 100644
index 000000000..0e1c328fe
--- /dev/null
+++ b/app/javascript/flavours/glitch/features/compose/containers/autosuggest_account_container.js
@@ -0,0 +1,15 @@
+import { connect } from 'react-redux';
+import AutosuggestAccount from '../components/autosuggest_account';
+import { makeGetAccount } from 'flavours/glitch/selectors';
+
+const makeMapStateToProps = () => {
+  const getAccount = makeGetAccount();
+
+  const mapStateToProps = (state, { id }) => ({
+    account: getAccount(state, id),
+  });
+
+  return mapStateToProps;
+};
+
+export default connect(makeMapStateToProps)(AutosuggestAccount);
diff --git a/app/javascript/flavours/glitch/features/composer/textarea/index.js b/app/javascript/flavours/glitch/features/composer/textarea/index.js
deleted file mode 100644
index 50e46fc78..000000000
--- a/app/javascript/flavours/glitch/features/composer/textarea/index.js
+++ /dev/null
@@ -1,312 +0,0 @@
-//  Package imports.
-import PropTypes from 'prop-types';
-import React from 'react';
-import ImmutablePropTypes from 'react-immutable-proptypes';
-import {
-  defineMessages,
-  FormattedMessage,
-} from 'react-intl';
-import Textarea from 'react-textarea-autosize';
-
-//  Components.
-import EmojiPicker from 'flavours/glitch/features/emoji_picker';
-import ComposerTextareaIcons from './icons';
-import ComposerTextareaSuggestions from './suggestions';
-
-//  Utils.
-import { isRtl } from 'flavours/glitch/util/rtl';
-import {
-  assignHandlers,
-  hiddenComponent,
-} from 'flavours/glitch/util/react_helpers';
-
-//  Messages.
-const messages = defineMessages({
-  placeholder: {
-    defaultMessage: 'What is on your mind?',
-    id: 'compose_form.placeholder',
-  },
-});
-
-//  Handlers.
-const handlers = {
-
-  //  When blurring the textarea, suggestions are hidden.
-  handleBlur () {
-    this.setState({ suggestionsHidden: true });
-  },
-
-  //  When the contents of the textarea change, we have to pull up new
-  //  autosuggest suggestions if applicable, and also change the value
-  //  of the textarea in our store.
-  handleChange ({
-    target: {
-      selectionStart,
-      value,
-    },
-  }) {
-    const {
-      onChange,
-      onSuggestionsFetchRequested,
-      onSuggestionsClearRequested,
-    } = this.props;
-    const { lastToken } = this.state;
-
-    //  This gets the token at the caret location, if it begins with an
-    //  `@` (mentions) or `:` (shortcodes).
-    const left = value.slice(0, selectionStart).search(/[^\s\u200B]+$/);
-    const right = value.slice(selectionStart).search(/[\s\u200B]/);
-    const token = function () {
-      switch (true) {
-      case left < 0 || !/[@:#]/.test(value[left]):
-        return null;
-      case right < 0:
-        return value.slice(left);
-      default:
-        return value.slice(left, right + selectionStart).trim().toLowerCase();
-      }
-    }();
-
-    //  We only request suggestions for tokens which are at least 3
-    //  characters long.
-    if (onSuggestionsFetchRequested && token && token.length >= 3) {
-      if (lastToken !== token) {
-        this.setState({
-          lastToken: token,
-          selectedSuggestion: 0,
-          tokenStart: left,
-        });
-        onSuggestionsFetchRequested(token);
-      }
-    } else {
-      this.setState({ lastToken: null });
-      if (onSuggestionsClearRequested) {
-        onSuggestionsClearRequested();
-      }
-    }
-
-    //  Updates the value of the textarea.
-    if (onChange) {
-      onChange(value);
-    }
-  },
-
-  //  Handles a click on an autosuggestion.
-  handleClickSuggestion (index) {
-    const { textarea } = this;
-    const {
-      onSuggestionSelected,
-      suggestions,
-    } = this.props;
-    const {
-      lastToken,
-      tokenStart,
-    } = this.state;
-    onSuggestionSelected(tokenStart, lastToken, suggestions.get(index));
-    textarea.focus();
-  },
-
-  //  Handles a keypress.  If the autosuggestions are visible, we need
-  //  to allow keypresses to navigate and sleect them.
-  handleKeyDown (e) {
-    const {
-      disabled,
-      onSubmit,
-      onSecondarySubmit,
-      onSuggestionSelected,
-      suggestions,
-    } = this.props;
-    const {
-      lastToken,
-      suggestionsHidden,
-      selectedSuggestion,
-      tokenStart,
-    } = this.state;
-
-    //  Keypresses do nothing if the composer is disabled.
-    if (disabled) {
-      e.preventDefault();
-      return;
-    }
-
-    //  We submit the status on control/meta + enter.
-    if (onSubmit && e.keyCode === 13 && (e.ctrlKey || e.metaKey)) {
-      onSubmit();
-    }
-
-    // Submit the status with secondary visibility on alt + enter.
-    if (onSecondarySubmit && e.keyCode === 13 && e.altKey) {
-      onSecondarySubmit();
-    }
-
-    //  Switches over the pressed key.
-    switch(e.key) {
-
-    //  On arrow down, we pick the next suggestion.
-    case 'ArrowDown':
-      if (suggestions && suggestions.size > 0 && !suggestionsHidden) {
-        e.preventDefault();
-        this.setState({ selectedSuggestion: Math.min(selectedSuggestion + 1, suggestions.size - 1) });
-      }
-      return;
-
-    //  On arrow up, we pick the previous suggestion.
-    case 'ArrowUp':
-      if (suggestions && suggestions.size > 0 && !suggestionsHidden) {
-        e.preventDefault();
-        this.setState({ selectedSuggestion: Math.max(selectedSuggestion - 1, 0) });
-      }
-      return;
-
-    //  On enter or tab, we select the suggestion.
-    case 'Enter':
-    case 'Tab':
-      if (onSuggestionSelected && lastToken !== null && suggestions && suggestions.size > 0 && !suggestionsHidden) {
-        e.preventDefault();
-        e.stopPropagation();
-        onSuggestionSelected(tokenStart, lastToken, suggestions.get(selectedSuggestion));
-      }
-      return;
-    }
-  },
-
-  //  When the escape key is released, we either close the suggestions
-  //  window or focus the UI.
-  handleKeyUp ({ key }) {
-    const { suggestionsHidden } = this.state;
-    if (key === 'Escape') {
-      if (!suggestionsHidden) {
-        this.setState({ suggestionsHidden: true });
-      } else {
-        document.querySelector('.ui').parentElement.focus();
-      }
-    }
-  },
-
-  //  Handles the pasting of images into the composer.
-  handlePaste (e) {
-    const { onPaste } = this.props;
-    let d;
-    if (onPaste && (d = e.clipboardData) && (d = d.files).length === 1) {
-      onPaste(d);
-      e.preventDefault();
-    }
-  },
-
-  //  Saves a reference to the textarea.
-  handleRefTextarea (textarea) {
-    this.textarea = textarea;
-  },
-};
-
-//  The component.
-export default class ComposerTextarea extends React.Component {
-
-  //  Constructor.
-  constructor (props) {
-    super(props);
-    assignHandlers(this, handlers);
-    this.state = {
-      suggestionsHidden: false,
-      selectedSuggestion: 0,
-      lastToken: null,
-      tokenStart: 0,
-    };
-
-    //  Instance variables.
-    this.textarea = null;
-  }
-
-  //  When we receive new suggestions, we unhide the suggestions window
-  //  if we didn't have any suggestions before.
-  componentWillReceiveProps (nextProps) {
-    const { suggestions } = this.props;
-    const { suggestionsHidden } = this.state;
-    if (nextProps.suggestions && nextProps.suggestions !== suggestions && nextProps.suggestions.size > 0 && suggestionsHidden) {
-      this.setState({ suggestionsHidden: false });
-    }
-  }
-
-  //  Rendering.
-  render () {
-    const {
-      handleBlur,
-      handleChange,
-      handleClickSuggestion,
-      handleKeyDown,
-      handleKeyUp,
-      handlePaste,
-      handleRefTextarea,
-    } = this.handlers;
-    const {
-      advancedOptions,
-      autoFocus,
-      disabled,
-      intl,
-      onPickEmoji,
-      suggestions,
-      value,
-    } = this.props;
-    const {
-      selectedSuggestion,
-      suggestionsHidden,
-    } = this.state;
-
-    //  The result.
-    return (
-      <div className='composer--textarea'>
-        <label>
-          <span {...hiddenComponent}><FormattedMessage {...messages.placeholder} /></span>
-          <ComposerTextareaIcons
-            advancedOptions={advancedOptions}
-            intl={intl}
-          />
-          <Textarea
-            aria-autocomplete='list'
-            autoFocus={autoFocus}
-            className='textarea'
-            disabled={disabled}
-            inputRef={handleRefTextarea}
-            onBlur={handleBlur}
-            onChange={handleChange}
-            onKeyDown={handleKeyDown}
-            onKeyUp={handleKeyUp}
-            onPaste={handlePaste}
-            placeholder={intl.formatMessage(messages.placeholder)}
-            value={value}
-            style={{ direction: isRtl(value) ? 'rtl' : 'ltr' }}
-          />
-        </label>
-        <EmojiPicker onPickEmoji={onPickEmoji} />
-        <ComposerTextareaSuggestions
-          hidden={suggestionsHidden}
-          onSuggestionClick={handleClickSuggestion}
-          suggestions={suggestions}
-          value={selectedSuggestion}
-        />
-      </div>
-    );
-  }
-
-}
-
-//  Props.
-ComposerTextarea.propTypes = {
-  advancedOptions: ImmutablePropTypes.map,
-  autoFocus: PropTypes.bool,
-  disabled: PropTypes.bool,
-  intl: PropTypes.object.isRequired,
-  onChange: PropTypes.func,
-  onPaste: PropTypes.func,
-  onPickEmoji: PropTypes.func,
-  onSubmit: PropTypes.func,
-  onSecondarySubmit: PropTypes.func,
-  onSuggestionsClearRequested: PropTypes.func,
-  onSuggestionsFetchRequested: PropTypes.func,
-  onSuggestionSelected: PropTypes.func,
-  suggestions: ImmutablePropTypes.list,
-  value: PropTypes.string,
-};
-
-//  Default props.
-ComposerTextarea.defaultProps = { autoFocus: true };
diff --git a/app/javascript/flavours/glitch/features/composer/textarea/suggestions/index.js b/app/javascript/flavours/glitch/features/composer/textarea/suggestions/index.js
deleted file mode 100644
index dc72585f2..000000000
--- a/app/javascript/flavours/glitch/features/composer/textarea/suggestions/index.js
+++ /dev/null
@@ -1,43 +0,0 @@
-//  Package imports.
-import PropTypes from 'prop-types';
-import React from 'react';
-import ImmutablePropTypes from 'react-immutable-proptypes';
-
-//  Components.
-import ComposerTextareaSuggestionsItem from './item';
-
-//  The component.
-export default function ComposerTextareaSuggestions ({
-  hidden,
-  onSuggestionClick,
-  suggestions,
-  value,
-}) {
-
-  //  The result.
-  return (
-    <div
-      className='composer--textarea--suggestions'
-      hidden={hidden || !suggestions || suggestions.isEmpty()}
-    >
-      {!hidden && suggestions ? suggestions.map(
-        (suggestion, index) => (
-          <ComposerTextareaSuggestionsItem
-            index={index}
-            key={typeof suggestion === 'object' ? suggestion.id : suggestion}
-            onClick={onSuggestionClick}
-            selected={index === value}
-            suggestion={suggestion}
-          />
-        )
-      ) : null}
-    </div>
-  );
-}
-
-ComposerTextareaSuggestions.propTypes = {
-  hidden: PropTypes.bool,
-  onSuggestionClick: PropTypes.func,
-  suggestions: ImmutablePropTypes.list,
-  value: PropTypes.number,
-};
diff --git a/app/javascript/flavours/glitch/features/composer/textarea/suggestions/item/index.js b/app/javascript/flavours/glitch/features/composer/textarea/suggestions/item/index.js
deleted file mode 100644
index 1b7ae8904..000000000
--- a/app/javascript/flavours/glitch/features/composer/textarea/suggestions/item/index.js
+++ /dev/null
@@ -1,118 +0,0 @@
-//  Package imports.
-import classNames from 'classnames';
-import PropTypes from 'prop-types';
-import React from 'react';
-
-//  Components.
-import AccountContainer from 'flavours/glitch/containers/account_container';
-
-//  Utils.
-import { unicodeMapping } from 'flavours/glitch/util/emoji';
-import { assignHandlers } from 'flavours/glitch/util/react_helpers';
-
-//  Gets our asset host from the environment, if available.
-const assetHost = process.env.CDN_HOST || '';
-
-//  Handlers.
-const handlers = {
-
-  //  Handles a click on a suggestion.
-  handleClick (e) {
-    const {
-      index,
-      onClick,
-    } = this.props;
-    if (onClick) {
-      e.preventDefault();
-      e.stopPropagation();  //  Prevents following account links
-      onClick(index);
-    }
-  },
-
-  //  This prevents the focus from changing, which would mess with
-  //  our suggestion code.
-  handleMouseDown (e) {
-    e.preventDefault();
-  },
-};
-
-//  The component.
-export default class ComposerTextareaSuggestionsItem extends React.Component {
-
-  //  Constructor.
-  constructor (props) {
-    super(props);
-    assignHandlers(this, handlers);
-  }
-
-  //  Rendering.
-  render () {
-    const {
-      handleMouseDown,
-      handleClick,
-    } = this.handlers;
-    const {
-      selected,
-      suggestion,
-    } = this.props;
-    const computedClass = classNames('composer--textarea--suggestions--item', { selected });
-
-    //  If the suggestion is an object, then we render an emoji.
-    //  Otherwise, we render a hashtag if it starts with #, or an account.
-    let inner;
-    if (typeof suggestion === 'object') {
-      let url;
-      if (suggestion.custom) {
-        url = suggestion.imageUrl;
-      } else {
-        const mapping = unicodeMapping[suggestion.native] || unicodeMapping[suggestion.native.replace(/\uFE0F$/, '')];
-        if (mapping) {
-          url = `${assetHost}/emoji/${mapping.filename}.svg`;
-        }
-      }
-      if (url) {
-        inner = (
-          <div className='emoji'>
-            <img
-              alt={suggestion.native || suggestion.colons}
-              className='emojione'
-              src={url}
-            />
-            {suggestion.colons}
-          </div>
-        );
-      }
-    } else if (suggestion[0] === '#') {
-      inner = suggestion;
-    } else {
-      inner = (
-        <AccountContainer
-          id={suggestion}
-          small
-        />
-      );
-    }
-
-    //  The result.
-    return (
-      <div
-        className={computedClass}
-        onMouseDown={handleMouseDown}
-        onClickCapture={handleClick}  //  Jumps in front of contents
-        role='button'
-        tabIndex='0'
-      >
-        { inner }
-      </div>
-    );
-  }
-
-}
-
-//  Props.
-ComposerTextareaSuggestionsItem.propTypes = {
-  index: PropTypes.number,
-  onClick: PropTypes.func,
-  selected: PropTypes.bool,
-  suggestion: PropTypes.oneOfType([PropTypes.object, PropTypes.string]),
-};
diff --git a/app/javascript/flavours/glitch/styles/components/composer.scss b/app/javascript/flavours/glitch/styles/components/composer.scss
index f0729bedc..466b654de 100644
--- a/app/javascript/flavours/glitch/styles/components/composer.scss
+++ b/app/javascript/flavours/glitch/styles/components/composer.scss
@@ -131,8 +131,8 @@
 .composer--textarea {
   position: relative;
 
-  & > label {
-    .textarea {
+  label {
+    .autosuggest-textarea__textarea {
       display: block;
       box-sizing: border-box;
       margin: 0;
@@ -186,7 +186,7 @@
   }
 }
 
-.composer--textarea--suggestions {
+.autosuggest-textarea__suggestions {
   display: block;
   position: absolute;
   box-sizing: border-box;
@@ -199,11 +199,14 @@
   box-shadow: 4px 4px 6px rgba($base-shadow-color, 0.4);
   font-size: 14px;
   z-index: 99;
+  display: none;
+}
 
-  &[hidden] { display: none }
+.autosuggest-textarea__suggestions--visible {
+  display: block;
 }
 
-.composer--textarea--suggestions--item {
+.autosuggest-textarea__suggestions__item {
   display: flex;
   flex-direction: row;
   align-items: center;
diff --git a/app/javascript/flavours/glitch/styles/mastodon-light/diff.scss b/app/javascript/flavours/glitch/styles/mastodon-light/diff.scss
index 6f105d3fa..224272f24 100644
--- a/app/javascript/flavours/glitch/styles/mastodon-light/diff.scss
+++ b/app/javascript/flavours/glitch/styles/mastodon-light/diff.scss
@@ -196,11 +196,11 @@
   border-color: $ui-base-color;
 }
 
-.composer--textarea--suggestions {
+.autosuggest-textarea__suggestions {
   background: lighten($ui-base-color, 10%)
 }
 
-.composer--textarea--suggestions--item {
+.autosuggest-textarea__suggestions__item {
   &:hover,
   &:focus,
   &:active,