atom-markdown-auto-preview

Automatically makes the preview tab visible, when a Markdown file's text editor is activated. (The preview needs to be already opened, and in a different pane.)
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Atom Markdown Auto-Preview

Blurb

Automatically activates the preview tab corresponding to a Markdown source file (if open in a different pane). Works a treat with markdown-scroll-sync!

Screencap in action

Features

  • When switching to a Markdown file, makes the first corresponding preview active (visible)

    • If it has already been opened
    • Is in a different pane/group to the source file

  • When closing a Markdown file, closes any corresponding previews

Fiddly bits

The module works on the following logic:

  • If the previewer exists, and
  • If the previewer is in a different pane, then
  • Make the previewer visible

The module scans all open tabs for ones which have an 'editor' property, to identify preview-type tabs

The 'editor' property must match the editor which has just been made active:

  • Sometimes this fails after reloading a window or in similar circumstances
  • The preview tabs persist, but this link back to the source editor is no longer valid (a limitation of Atom)