pinafore/routes/_components/compose/ComposeBox.html

<div class="compose-box {{overLimit ? 'over-char-limit' : ''}}">
  <ComposeAuthor />
  {{#if contentWarningShown}}
    <div class="compose-content-warning-wrapper"
         transition:slide="{duration: 333}">
      <ComposeContentWarning :realm :contentWarning />
    </div>
  {{/if}}
  <ComposeInput :realm :text :autoFocus />
  <ComposeLengthGauge :length :overLimit />
  <ComposeToolbar :realm :postPrivacy :media :contentWarningShown />
  <ComposeLengthIndicator :length :overLimit />
  <ComposeMedia :realm :media />
  <ComposeButton :length :overLimit on:click="onClickPostButton()" />
</div>
<style>
  .compose-box {
    border-radius: 4px;
    padding: 20px;
    display: grid;
    align-items: flex-start;
    grid-template-areas:
      "avatar name       handle    handle"
      "avatar cw         cw        cw"
      "avatar input      input     input"
      "avatar gauge      gauge     gauge"
      "avatar toolbar    toolbar   length"
      "avatar media      media     media"
      "avatar button     button    button";
    grid-template-columns: min-content minmax(0, max-content) 1fr 1fr;
    border-bottom: 1px solid var(--main-border);
    width: 560px;
    max-width: calc(100vw - 40px);
  }

  .compose-content-warning-wrapper {
    grid-area: cw;
  }

  @media (max-width: 767px) {
    .compose-box {
      padding: 10px 10px;
      max-width: calc(100vw - 20px);
      width: 580px;
    }
  }
</style>
<script>
  import ComposeToolbar from './ComposeToolbar.html'
  import ComposeLengthGauge from './ComposeLengthGauge.html'
  import ComposeLengthIndicator from './ComposeLengthIndicator.html'
  import ComposeAuthor from './ComposeAuthor.html'
  import ComposeInput from './ComposeInput.html'
  import ComposeButton from './ComposeButton.html'
  import ComposeMedia from './ComposeMedia.html'
  import ComposeContentWarning from './ComposeContentWarning.html'
  import { measureText } from '../../_utils/measureText'
  import { CHAR_LIMIT, POST_PRIVACY_OPTIONS } from '../../_static/statuses'
  import { store } from '../../_store/store'
  import { slide } from 'svelte-transitions'
  import { postStatus, insertHandleForReply } from '../../_actions/compose'

  export default {
    oncreate() {
      let realm = this.get('realm')
      if (realm !== 'home') {
        // if this is a reply, populate the handle immediately
        insertHandleForReply(realm)

        // if this is a reply, go back immediately after it's posted
        this.observe('postedStatusForRealm', postedStatusForRealm => {
          if (postedStatusForRealm === realm) {
            window.history.back()
          }
        }, {init: false})
      }
    },
    components: {
      ComposeAuthor,
      ComposeToolbar,
      ComposeLengthGauge,
      ComposeLengthIndicator,
      ComposeInput,
      ComposeButton,
      ComposeMedia,
      ComposeContentWarning
    },
    store: () => store,
    computed: {
      composeData: ($currentComposeData, realm) => $currentComposeData[realm] || {},
      text: (composeData) => composeData.text || '',
      media: (composeData) => composeData.media || [],
      postPrivacy: (postPrivacyKey) => POST_PRIVACY_OPTIONS.find(_ => _.key === postPrivacyKey),
      defaultPostPrivacyKey: ($currentVerifyCredentials) => $currentVerifyCredentials.source.privacy,
      postPrivacyKey: (composeData, defaultPostPrivacyKey) => composeData.postPrivacy || defaultPostPrivacyKey,
      textLength: (text) => measureText(text),
      contentWarningLength: (contentWarning) => measureText(contentWarning),
      length: (textLength, contentWarningLength, contentWarningShown) => {
        return textLength + (contentWarningShown ? contentWarningLength : 0)
      },
      overLimit: (length) => length > CHAR_LIMIT,
      contentWarningShown: (composeData) => composeData.contentWarningShown,
      contentWarning: (composeData) => composeData.contentWarning || '',
      postedStatusForRealm: ($postedStatusForRealm) => $postedStatusForRealm
    },
    transitions: {
      slide
    },
    methods: {
      onClickPostButton() {
        let text = this.get('text')
        let media = this.get('media')
        let postPrivacyKey = this.get('postPrivacyKey')
        let contentWarning = this.get('contentWarning')
        let sensitive = media.length && !!contentWarning
        let realm = this.get('realm')
        let mediaIds = media.map(_ => _.data.id)
        let inReplyTo = realm === 'home' ? null : realm
        let overLimit = this.get('overLimit')

        if (!text || overLimit) {
          return // do nothing if invalid
        }

        /* no await */ postStatus(realm, text, inReplyTo, mediaIds,
          sensitive, contentWarning, postPrivacyKey)
      }
    }
  }
</script>