add preview and style

app/javascript/mastodon/features/compose/components/compose_form.js

@@ -21,12 +21,11 @@ import { length } from 'stringz';
 import { countableText } from '../util/counter';
 import Icon from 'mastodon/components/icon';
 import snarkdown from 'snarkdown';
-
+import DOMPurify from 'dompurify';
 
 // import elephantUIPlane from '../../../images/elephant_ui_plane.svg';
 // import { mascot } from '../../initial_state';
 
-
 const allowedAroundShortCode = '><\u0085\u0020\u00a0\u1680\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200a\u202f\u205f\u3000\u2028\u2029\u0009\u000a\u000b\u000c\u000d';
 
 const messages = defineMessages({
@@ -39,6 +38,8 @@ const messages = defineMessages({
 export default @injectIntl
 class ComposeForm extends ImmutablePureComponent {
 
+  textMarkdownConverted = '';
+
   static contextTypes = {
     router: PropTypes.object,
   };
@@ -46,6 +47,7 @@ class ComposeForm extends ImmutablePureComponent {
   static propTypes = {
     intl                 : PropTypes.object.isRequired,
     text                 : PropTypes.string.isRequired,
+    textMarkdownConverted: PropTypes.string,
     suggestions          : ImmutablePropTypes.list,
     spoiler              : PropTypes.bool,
     privacy              : PropTypes.string,
@@ -80,14 +82,18 @@ class ComposeForm extends ImmutablePureComponent {
   };
 
   handleKeyDown = (e) => {
+    let markdownConverted = this.convertMarkdown(this.props.text);
+    console.log('markdownConverted', markdownConverted);
+    this.render();
     if (e.keyCode === 13 && (e.ctrlKey || e.metaKey)) {
       this.handleSubmit();
     }
+
   };
 
   getFulltextForCharacterCounting = () => {
     return [this.props.spoiler ? this.props.spoilerText : '', countableText(this.props.text)].join('');
-  }
+  };
 
   canSubmit = () => {
     const { isSubmitting, isChangingUpload, isUploading, anyMedia } = this.props;
@@ -95,7 +101,7 @@ class ComposeForm extends ImmutablePureComponent {
     const isOnlyWhitespace = fulltext.length !== 0 && fulltext.trim().length === 0;
 
     return !(isSubmitting || isUploading || isChangingUpload || length(fulltext) > 500 || (isOnlyWhitespace && !anyMedia));
-  }
+  };
 
   handleSubmit = () => {
     if (this.props.text !== this.autosuggestTextarea.textarea.value) {
@@ -193,10 +199,36 @@ class ComposeForm extends ImmutablePureComponent {
     this.props.onPickEmoji(position, data, needsSpace);
   };
 
-  convertMarkdown(){
+  convertMarkdown(markdownInput) {
-    let md = '_this_ is **easy** to `use`.';
+    let md = `# title ouane
-    let html = snarkdown(md);
+* aaaaaa
-    console.log(html);
+* bbbbbb
+* cccccc
+aaaaa
+
+## title deux
+deuuuux
+
+### title trois
+
+_this_ is **easy** to \` use\`. 
+
+* aaaaaa
+* bbbbbb
+* cccccc
+
+un lien vers [[www.wikipedia.org]]
+[un lien vers cipherbliss.com](https://cipherbliss.com)
+    `;
+    let html = '';
+    if (!markdownInput) {
+      html = snarkdown(md);
+    } else {
+      html = snarkdown(markdownInput);
+      html = DOMPurify.sanitize(markdownInput);
+    }
+    this.textMarkdownConverted = html;
+    return html;
   };
 
   render() {
@@ -210,7 +242,6 @@ class ComposeForm extends ImmutablePureComponent {
     } else {
       publishText = this.props.privacy !== 'unlisted' ? intl.formatMessage(messages.publishLoud, { publish: intl.formatMessage(messages.publish) }) : intl.formatMessage(messages.publish);
     }
-    this.convertMarkdown();
 
     return (
       <div className='compose-form'>
@@ -268,14 +299,37 @@ class ComposeForm extends ImmutablePureComponent {
             <PrivacyDropdownContainer />
             <SpoilerButtonContainer />
           </div >
-          <div className='character-counter__wrapper'><CharacterCounter max={7777} text={this.getFulltextForCharacterCounting()} /></div>
+          <div className='character-counter__wrapper'><CharacterCounter
+            max={this.props.maxTootCharsLimit}
+            text={this.getFulltextForCharacterCounting()}
+          /></div >
         </div >
 
         <div className='compose-form__publish'>
-          <div className='compose-form__publish-button-wrapper'><Button text={publishText} onClick={this.handleSubmit} disabled={!this.canSubmit()} block /></div>
+          <div className='compose-form__publish-button-wrapper'><Button
+            text={publishText}
+            onClick={this.handleSubmit}
+            disabled={!this.canSubmit()}
+            block
+          /></div >
+        </div >
+
+        {this.textMarkdownConverted &&
+
+          <div className='preview formatted-markdown'>
+            <h1>Markdown:</h1>
+          <div
+          dangerouslySetInnerHTML={{
+          __html: this.textMarkdownConverted,
+        }}
+          >
           </div >
           </div >
-    );
+
-  }
+        }
+
+      </div >
+    );
+  };
 
 }

app/javascript/mastodon/features/compose/containers/compose_form_container.js

@@ -13,6 +13,7 @@ import {
 
 const mapStateToProps = state => ({
   text: state.getIn(['compose', 'text']),
+  textMarkdownConverted: state.getIn(['compose', 'textMarkdownConverted']),
   suggestions: state.getIn(['compose', 'suggestions']),
   spoiler: state.getIn(['compose', 'spoiler']),
   spoilerText: state.getIn(['compose', 'spoiler_text']),

app/javascript/styles/bliss.scss

@@ -15,6 +15,7 @@
 @import 'bliss/compact_header';
 @import 'bliss/widgets';
 @import 'bliss/forms';
+@import 'bliss/markdown';
 @import 'bliss/accounts';
 @import 'bliss/statuses';
 @import 'bliss/boost';

app/javascript/styles/bliss/_markdown.scss

@@ -0,0 +1,56 @@
+.formatted-markdown{
+  padding: 1em;
+  &.preview{
+
+  background: $dark-text-color;
+  margin-top: 0.5em;
+  }
+
+  h1,h2,h3,h4,h5,h6{
+    &:first-letter{
+      text-transform: uppercase;
+    }
+  }
+  h1{
+    font-size: 1.5rem;
+    margin-bottom: 1em;
+    margin-top: 1.5em;
+    font-weight: 500;
+  }
+  h2{
+    font-size: 1.25rem;
+    margin-bottom: 1em;
+    margin-top: 1.25em;
+    font-weight: 400;
+  }
+  h3{
+    font-size: 1rem;
+    margin-bottom: 1em;
+    font-weight: 300;
+  }
+  h4{
+    font-size: 0.85rem;
+    margin-bottom: 1em;
+  }
+  h5{
+    font-size: 0.75rem;
+    margin-bottom: 1em;
+  }
+  h6{
+    font-size: 0.70rem;
+    margin-bottom: 1em;
+  }
+  strong{
+    font-weight:700;
+  }
+  i{
+    font-style: italic;
+  }
+  a {
+    color: $primary-text-color;
+  }
+  em{
+    background: $darker-text-color;
+    padding: 0.25em;
+  }
+}

package.json

@@ -89,6 +89,7 @@
     "css-loader": "^5.0.1",
     "cssnano": "^4.1.10",
     "detect-passive-events": "^2.0.2",
+    "dompurify": "^2.2.6",
     "dotenv": "^8.2.0",
     "emoji-mart": "Gargron/emoji-mart#build",
     "es6-symbol": "^3.1.3",

yarn.lock

@@ -3956,6 +3956,11 @@ domexception@^2.0.1:
   dependencies:
     webidl-conversions "^5.0.0"
 
+dompurify@^2.2.6:
+  version "2.2.6"
+  resolved "https://registry.yarnpkg.com/dompurify/-/dompurify-2.2.6.tgz#54945dc5c0b45ce5ae228705777e8e59d7b2edc4"
+  integrity sha512-7b7ZArhhH0SP6W2R9cqK6RjaU82FZ2UPM7RO8qN1b1wyvC/NY1FNWcX1Pu00fFOAnzEORtwXe4bPaClg6pUybQ==
+
 domutils@^1.7.0:
   version "1.7.0"
   resolved "https://registry.yarnpkg.com/domutils/-/domutils-1.7.0.tgz#56ea341e834e06e6748af7a1cb25da67ea9f8c2a"