fix: context not clearing on trigger character, path regexes

closes Saghen#16

lua/blink/cmp/sources/path/init.lua

@@ -29,6 +29,9 @@ end
 function path:get_trigger_characters() return { '/', '.' } end
 
 function path:get_completions(context, callback)
+  -- we use libuv, but the rest of the library expects to be synchronous
+  callback = vim.schedule_wrap(callback)
+
   local lib = require('blink.cmp.sources.path.lib')
 
   local dirname = lib.dirname(PATH_REGEX, self.opts.get_cwd, context)

lua/blink/cmp/sources/path/lib.lua

@@ -4,7 +4,10 @@ local lib = {}
 --- @param get_cwd fun(context: blink.cmp.Context): string
 --- @param context blink.cmp.Context
 function lib.dirname(path_regex, get_cwd, context)
-  local line_before_cursor = context.line:sub(1, context.cursor[2])
+  -- HACK: move this :sub logic into the context?
+  -- it's not obvious that you need to avoid going back a char if the start_col == end_col
+  local line_before_cursor =
+    context.line:sub(1, context.bounds.start_col - (context.bounds.start_col ~= context.bounds.end_col and 1 or 0))
   local s = path_regex:match_str(line_before_cursor)
   if not s then return nil end
 

lua/blink/cmp/trigger/completion.lua

@@ -63,10 +63,14 @@ function trigger.activate_autocmds()
         and not vim.tbl_contains(config.show_on_insert_blocked_trigger_characters, char_under_cursor)
       local is_on_context_char = char_under_cursor:match(config.keyword_regex) ~= nil
 
-      if is_within_bounds or (is_on_trigger and trigger.context ~= nil) then
+      if is_within_bounds then
         trigger.show()
-      -- check if we've gone 1 char behind the context and we're still on a context char
-      elseif is_on_context_char and trigger.context ~= nil and cursor_col == trigger.context.bounds.start_col - 1 then
+      elseif
+        -- check if we've gone 1 char behind the context and we're still on a context char
+        (is_on_context_char and trigger.context ~= nil and cursor_col == trigger.context.bounds.start_col - 1)
+        -- or if we've moved onto a trigger character
+        or (is_on_trigger and trigger.context ~= nil)
+      then
         trigger.context = nil
         trigger.show()
       elseif config.show_on_insert_on_trigger_character and is_on_trigger and ev.event == 'InsertEnter' then