Fix local variable overwrites

lua/zettelkasten/action.lua

@@ -8,9 +8,9 @@ local BIGNUMBER = 10000000
 
 -- Opens the link passed in in the editor's current buffer.
 -- Requires a link object passed in.
-function A.open(link)
-    if not link or not link.ref then return end
-    local fname = list.get_zettel(link.anchor) or link.ref
+function A.open(zlink)
+    if not zlink or not zlink.ref then return end
+    local fname = list.get_zettel(zlink.anchor) or zlink.ref
     vim.api.nvim_command(string.format("edit %s", fname))
 end
 
@@ -19,14 +19,14 @@ end
 -- Takes an optional style of link following to use,
 -- superseding the one set in options.
 function A.open_selected(style)
-    local style = style or o.link().following
+    local st = style or o.link().following
 
     local curpos = vim.api.nvim_win_get_cursor(0)[2]
     local links = link.extract_all(vim.api.nvim_get_current_line())
 
-    if style == 'line' then
+    if st == 'line' then
         A.open(A.get_next_link_on_line(links, curpos))
-    elseif style == 'cursor' then
+    elseif st == 'cursor' then
         A.open(A.get_link_under_cursor(links, curpos))
     end
 end
@@ -34,10 +34,8 @@ 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)
-    for _, link in pairs(links) do
-        if link.startpos <= curpos + 1 and link.endpos > curpos then
-            return link
-        end
+    for _, l in pairs(links) do
+        if l.startpos <= curpos + 1 and l.endpos > curpos then return l end
     end
     return nil
 end

lua/zettelkasten/action_spec.lua

@@ -1,4 +1,4 @@
-action = require 'zettelkasten.action'
+local action = require 'zettelkasten.action'
 
 before_each(function()
     _G.vim = {g = {}, b = {}, loop = {fs_scandir = function() end}}
@@ -19,7 +19,7 @@ describe("open", function()
     end)
     it("should use the anchor to open the corresponding zettel", function()
         vim.api = {nvim_command = mock(function() end)}
-        ls = stub(require 'zettelkasten.list', "get_zettel")
+        local ls = stub(require 'zettelkasten.list', "get_zettel")
 
         action.open({
             ref = "1910271456_link-to-my-file.md",