Remove bignumber allocation, refactor open function

Switched out manual BIGNUMBER creation for the lua inbuilt `math.huge`.
Refactored `open_selected` a tiny bit in preparation for automatic link
creation.

README.md

@@ -67,6 +67,7 @@ start neovim with  `nvim --cmd "set rtp+=$(pwd)" .` to automatically load the fi
   * [ ] add missing anchors
   * [ ] 'rename' anchor (goes against stability?)
   * [ ] recognize duplicate anchors (in directory, when listing, etc)
+    * [ ] potentially warn user
     * [ ] provide option to rename and automatically change backlinks
 * [ ] zettel 'lens' (preview first headline + content of linked zettel through floating window etc, on keypress)
 * [ ] support *both* md-style and wiki-style links at the same time

lua/zettelkasten/action.lua

@@ -2,16 +2,14 @@ local A = {}
 
 local o = require 'zettelkasten.options'
 local link = require 'zettelkasten.link'
-local list = require 'zettelkasten.files'
+local files = require 'zettelkasten.files'
-
-local BIGNUMBER = 10000000
 
 -- Opens the link passed in in the editor's current buffer.
 -- Requires a link object passed in.
 function A.open(zlink)
     if not zlink or not zlink.ref then return end
-    local fname = list.get_zettel_by_anchor(zlink.anchor) or
+    local fname = files.get_zettel_by_anchor(zlink.anchor) or
-                      list.get_zettel_by_ref(zlink.ref) or zlink.ref
+                      files.get_zettel_by_ref(zlink.ref) or zlink.ref
     vim.api.nvim_command(string.format("edit %s", fname))
 end
 
@@ -25,13 +23,18 @@ function A.open_selected(style)
     local curpos = vim.api.nvim_win_get_cursor(0)[2]
     local links = link.extract_all(vim.api.nvim_get_current_line())
 
+    local ln
     if st == 'line' then
-        A.open(A.get_next_link_on_line(links, curpos))
+        ln = A.get_next_link_on_line(links, curpos)
     elseif st == 'cursor' then
-        A.open(A.get_link_under_cursor(links, curpos))
+        ln = A.get_link_under_cursor(links, curpos)
     end
+
+    A.open(ln)
 end
 
+function A.create_link() return end
+
 -- Returns the link currently under cursor, roughly the vim equivalent of yiW.
 -- Works for links containing spaces in their text or reference link.
 function A.get_link_under_cursor(links, curpos)
@@ -43,7 +46,7 @@ end
 
 -- Returns the next link of the current line from the cursor onwards.
 function A.get_next_link_on_line(links, curpos)
-    local nearestpos = BIGNUMBER
+    local nearestpos = math.huge
     local nearestlink
     for _, ln in pairs(links) do
         if ln.endpos > curpos and ln.endpos < nearestpos then

lua/zettelkasten/init.lua

@@ -10,7 +10,7 @@ local action = require 'zettelkasten.action'
 -- table.
 -- Recurses into subdirectories if recursive argument is true.
 function ZK.get_zettel_list(path, recursive)
-    return ls.get_anchors_and_paths(path, recursive or false)
+    return ls.get_anchors_and_paths(ls.get_all_files(path, recursive or false))
 end
 
 -- Return a valid zettelkasten anchor for the current time,