fix: fuzzy autocompletion with blink

Author: Sebastian Flügge

lua/orgmode/org/autocompletion/blink.lua

@@ -17,10 +17,34 @@ end
 function Source:get_completions(ctx, callback)
   local line = ctx.line:sub(1, ctx.cursor[2])
   local offset = org.completion:get_start({ line = line }) + 1
-  local base = string.sub(line, offset)
+  local full_base = string.sub(line, offset)
+
+  -- Create a simplified base that preserves completion context but avoids over-filtering
+  local simplified_base = full_base
+
+  -- For file links, keep only the protocol part to preserve context
+  if full_base:match('^file:') then
+    simplified_base = 'file:'
+  elseif full_base:match('^~/') then
+    simplified_base = '~/'
+  elseif full_base:match('^%./') then
+    simplified_base = './'
+  elseif full_base:match('^/') then
+    simplified_base = '/'
+  -- For other contexts, use a minimal base to get all results
+  elseif full_base:match('^%*') then
+    simplified_base = '*'
+  elseif full_base:match('^#%+') then
+    simplified_base = '#+'
+  elseif full_base:match('^:') then
+    simplified_base = ':'
+  end
+
+  -- Pass simplified base to orgmode sources to preserve context but get more results
   local results = org.completion:complete({
     line = line,
-    base = base,
+    base = simplified_base,
+    framework = 'blink', -- Still signal framework for any remaining filtering
   })
 
   local cb = function(items)
@@ -55,14 +79,16 @@ function Source:get_completions(ctx, callback)
     return 0
   end
 
-  local baseOffset = getInsertTextOffset(base)
+  -- Use full_base for insertText calculation
+  local baseOffset = getInsertTextOffset(full_base)
   local insertTextOffset = baseOffset > 0 and math.max(2, baseOffset) or 0
 
   local items = {}
 
   for _, item in ipairs(results) do
     table.insert(items, {
       label = item.word,
+      filterText = item.word, -- Text to fuzzy match against
       insertText = insertTextOffset > 0 and item.word:sub(insertTextOffset) or item.word,
       labelDetails = item.menu and { description = item.menu } or nil,
     })

lua/orgmode/org/autocompletion/init.lua

@@ -55,10 +55,15 @@ end
 
 function OrgCompletion:_get_valid_results(results, context)
   local base = context.base or ''
+  local framework = context.framework or 'nvim-cmp'
 
   local valid_results = {}
   for _, item in ipairs(results) do
-    if base == '' or item:find('^' .. vim.pesc(base)) then
+    -- For blink.cmp, skip prefix filtering and return all results
+    -- Let blink.cmp's fuzzy matcher handle the filtering
+    local should_include = framework == 'blink' or base == '' or item:find('^' .. vim.pesc(base))
+
+    if should_include then
       table.insert(valid_results, {
         word = item,
         menu = self.menu,

tests/plenary/org/autocompletion_spec.lua

@@ -436,8 +436,8 @@ describe('Blink completion', function()
 
     assert(directive_item, 'Should find a directive completion item')
     assert(
-      directive_item.insertText:match('^#%+'),
-      string.format("insertText should start with '+#', got: %s", directive_item.insertText)
+      directive_item.insertText and directive_item.insertText:match('^#%+'),
+      string.format("completion text should start with '#+', got: %s", directive_item.insertText or 'nil')
     )
 
     assert(line:sub(1, 4) == '#+fi', "Original line should contain '#+fi'")