Navigating Zettelkasten links in Marked 2

matthew3wilson

Has anyone found a way to get Marked 2 to navigate wikilinks? E.g. I would like to be able to view a note from my Zettelkasten in Marked, click a link referencing another note, and have Marked open that note.

ctietze

I haven't implemented this, but I think your best bet is (a) a pre-processor that replaces wiki links with Markdown links, or (b) JavaScript to achieve a similar effect but in the template/output. You can use thearchive://match/<WIKI LINK HERE> to simulate clicking a wiki link from outside of the app.

mjknght

Hi there,

I do this using a preprocessor, just as @ctietze suggests.

Try the following ruby script, which strips the wiki link syntax, and adds the Markdown links. I had some help from the Marked developer when figuring this out, so credit goes to Brett Terpstra for this:

#!/usr/bin/ruby
require 'uri'

def class_exists?(class_name)
  klass = Module.const_get(class_name)
  return klass.is_a?(Class)
rescue NameError
  return false
end

if class_exists? 'Encoding'
  Encoding.default_external = Encoding::UTF_8 if Encoding.respond_to?('default_external')
  Encoding.default_internal = Encoding::UTF_8 if Encoding.respond_to?('default_internal')
end

begin
  input = STDIN.read.force_encoding('utf-8')
rescue
  input = STDIN.read
end

input.gsub!(/\[\[(.*?)\]\]/) do |m|
  match = Regexp.last_match
  "[#{match[1]}](thearchive://match/#{URI.escape(match[1])}.txt)"
end

print input

Hope it helps!

mjknght

Just to add, you won’t need the .txt here! A relic from a prior version…

frandsoh

@mjknght said:
Hi there,

I do this using a preprocessor, just as @ctietze suggests.

Amazing! Thanks for the script - It works

m_g

Hi! I'm a long time lurker around here, and this is my first comment.

I'm trying to modify the script posted above to make tags clickable in Marked in addition to WikiLinks, but I've had no success. Has anyone done this? I've tried the following, and some variations, but all have failed.

    input.gsub!(/\#(.*$)/) do |m|
    match = Regexp.last_match
    tag = match[1]
    "[#{tag}](thearchive://search/#{URI.escape(tag)})"
    end

I will appreciate any help or pointers.

ctietze

@m_g What happens instead?

m_g

@ctietze said:
@m_g What happens instead?

After some more experimenting, I managed to come up with a solution. Below is my modified version of @mjknght's Ruby script that makes tags clickable in Marked, in addition to WikiLinks.

    #!/usr/bin/env ruby
    require 'uri'

    def class_exists?(class_name)
      klass = Module.const_get(class_name)
      return klass.is_a?(Class)
    rescue NameError
      return false
    end

    if class_exists? 'Encoding'
      Encoding.default_external = Encoding::UTF_8 if Encoding.respond_to?('default_external')
      Encoding.default_internal = Encoding::UTF_8 if Encoding.respond_to?('default_internal')
    end

    begin
      input = STDIN.read.force_encoding('utf-8')
    rescue
      input = STDIN.read
    end

    input.gsub!(/\[\[(.*?)\]\]/) do |m|
      match = Regexp.last_match
      link_target = match[1]
      "[#{link_target}](thearchive://match/#{URI.escape(link_target)})"
    end

    input.gsub!(/#(\w+)/) do |m|
      match = Regexp.last_match
      tag = match[1]
      "🏷 [#{tag}](thearchive://search/#{URI.escape(tag)})"
    end

    print input