feat: Add keyboard shortcut to publish document

closes #1073

app/scenes/Document/Document.js

@@ -155,6 +155,14 @@ class DocumentScene extends React.Component<Props> {
     }
   }
 
+  @keydown('meta+shift+p')
+  onPublish(ev) {
+    ev.preventDefault();
+    if (!this.document) return;
+    if (this.document.publishedAt) return;
+    this.onSave({ publish: true, done: true });
+  }
+
   loadDocument = async props => {
     const { shareId, revisionId } = props.match.params;
 
@@ -409,6 +417,7 @@ class DocumentScene extends React.Component<Props> {
                 onSearchLink={this.onSearchLink}
                 onChange={this.onChange}
                 onSave={this.onSave}
+                onPublish={this.onPublish}
                 onCancel={this.onDiscard}
                 readOnly={!this.isEditing || document.isArchived}
                 toc={!revision}

app/scenes/Document/components/Header.js

@@ -189,14 +189,21 @@ class Header extends React.Component<Props> {
           {can.update &&
             isDraft && (
               <Action>
-                <Button
+                <Tooltip
-                  onClick={this.handlePublish}
+                  tooltip="Publish"
-                  title="Publish document"
+                  shortcut={`${meta}+shift+p`}
-                  disabled={publishingIsDisabled}
+                  delay={500}
-                  small
+                  placement="bottom"
                 >
-                  {isPublishing ? 'Publishing…' : 'Publish'}
+                  <Button
-                </Button>
+                    onClick={this.handlePublish}
+                    title="Publish document"
+                    disabled={publishingIsDisabled}
+                    small
+                  >
+                    {isPublishing ? 'Publishing…' : 'Publish'}
+                  </Button>
+                </Tooltip>
               </Action>
             )}
           {canEdit && (

app/scenes/Document/components/plugins.js

@@ -1,6 +1,7 @@
 // @flow
 import { Node, Editor } from 'slate';
 import Placeholder from 'rich-markdown-editor/lib/plugins/Placeholder';
+import isModKey from 'rich-markdown-editor/lib/lib/isModKey';
 
 export default [
   Placeholder({
@@ -25,4 +26,13 @@ export default [
       return true;
     },
   }),
+  {
+    onKeyDown(ev: SyntheticKeyboardEvent<>, editor: Editor, next: Function) {
+      if (ev.key === 'p' && ev.shiftKey && isModKey(ev)) {
+        return editor.props.onPublish(ev);
+      }
+
+      return next();
+    },
+  },
 ];