lua/preview/commands.lua

@@ -57,12 +57,6 @@ function M.setup()
     end,
     desc = 'Toggle, compile, clean, open, or check status of document preview',
   })
-
-  vim.api.nvim_create_autocmd('VimLeavePre', {
-    callback = function()
-      require('preview.compiler').stop_all()
-    end,
-  })
 end
 
 return M

lua/preview/compiler.lua

@@ -58,14 +58,6 @@ end
 function M.compile(bufnr, name, provider, ctx, opts)
   opts = opts or {}
 
-  if vim.fn.executable(provider.cmd[1]) ~= 1 then
-    vim.notify(
-      '[preview.nvim]: "' .. provider.cmd[1] .. '" is not executable (run :checkhealth preview)',
-      vim.log.levels.ERROR
-    )
-    return
-  end
-
   if vim.bo[bufnr].modified then
     vim.cmd('silent! update')
   end
@@ -178,7 +170,7 @@ function M.compile(bufnr, name, provider, ctx, opts)
 
     active[bufnr] = { obj = obj, provider = name, output_file = output_file, is_reload = true }
 
-    vim.api.nvim_create_autocmd('BufUnload', {
+    vim.api.nvim_create_autocmd('BufWipeout', {
       buffer = bufnr,
       once = true,
       callback = function()
@@ -238,12 +230,7 @@ function M.compile(bufnr, name, provider, ctx, opts)
           r.inject(output_file)
           r.broadcast()
         end
-        if
+        if provider.open and not opened[bufnr] and output_file ~= '' then
-          provider.open
-          and not opened[bufnr]
-          and output_file ~= ''
-          and vim.uv.fs_stat(output_file)
-        then
           if provider.open == true then
             vim.ui.open(output_file)
           elseif type(provider.open) == 'table' then
@@ -292,7 +279,7 @@ function M.compile(bufnr, name, provider, ctx, opts)
 
   active[bufnr] = { obj = obj, provider = name, output_file = output_file }
 
-  vim.api.nvim_create_autocmd('BufUnload', {
+  vim.api.nvim_create_autocmd('BufWipeout', {
     buffer = bufnr,
     once = true,
     callback = function()
@@ -387,7 +374,7 @@ function M.toggle(bufnr, name, provider, ctx_builder)
   log.dbg('watching buffer %d with provider "%s"', bufnr, name)
   vim.notify('[preview.nvim]: watching with "' .. name .. '"', vim.log.levels.INFO)
 
-  vim.api.nvim_create_autocmd('BufUnload', {
+  vim.api.nvim_create_autocmd('BufWipeout', {
     buffer = bufnr,
     once = true,
     callback = function()
@@ -465,10 +452,6 @@ function M.open(bufnr, open_config)
     log.dbg('no last output file for buffer %d', bufnr)
     return false
   end
-  if not vim.uv.fs_stat(output) then
-    log.dbg('output file no longer exists for buffer %d: %s', bufnr, output)
-    return false
-  end
   if type(open_config) == 'table' then
     local open_cmd = vim.list_extend({}, open_config)
     table.insert(open_cmd, output)

lua/preview/init.lua

@@ -146,10 +146,6 @@ end
 ---@param bufnr? integer
 function M.compile(bufnr)
   bufnr = bufnr or vim.api.nvim_get_current_buf()
-  if vim.api.nvim_buf_get_name(bufnr) == '' then
-    vim.notify('[preview.nvim]: buffer has no file name', vim.log.levels.WARN)
-    return
-  end
   local name = M.resolve_provider(bufnr)
   if not name then
     vim.notify('[preview.nvim]: no provider configured for this filetype', vim.log.levels.WARN)
@@ -169,10 +165,6 @@ end
 ---@param bufnr? integer
 function M.clean(bufnr)
   bufnr = bufnr or vim.api.nvim_get_current_buf()
-  if vim.api.nvim_buf_get_name(bufnr) == '' then
-    vim.notify('[preview.nvim]: buffer has no file name', vim.log.levels.WARN)
-    return
-  end
   local name = M.resolve_provider(bufnr)
   if not name then
     vim.notify('[preview.nvim]: no provider configured for this filetype', vim.log.levels.WARN)
@@ -186,10 +178,6 @@ end
 ---@param bufnr? integer
 function M.toggle(bufnr)
   bufnr = bufnr or vim.api.nvim_get_current_buf()
-  if vim.api.nvim_buf_get_name(bufnr) == '' then
-    vim.notify('[preview.nvim]: buffer has no file name', vim.log.levels.WARN)
-    return
-  end
   local name = M.resolve_provider(bufnr)
   if not name then
     vim.notify('[preview.nvim]: no provider configured for this filetype', vim.log.levels.WARN)
@@ -202,10 +190,6 @@ end
 ---@param bufnr? integer
 function M.open(bufnr)
   bufnr = bufnr or vim.api.nvim_get_current_buf()
-  if vim.api.nvim_buf_get_name(bufnr) == '' then
-    vim.notify('[preview.nvim]: buffer has no file name', vim.log.levels.WARN)
-    return
-  end
   local name = M.resolve_provider(bufnr)
   local open_config = name and config.providers[name] and config.providers[name].open
   if not compiler.open(bufnr, open_config) then

spec/commands_spec.lua

@@ -11,19 +11,6 @@ describe('commands', function()
       local cmds = vim.api.nvim_get_commands({})
       assert.is_not_nil(cmds.Preview)
     end)
-
-    it('registers VimLeavePre autocmd', function()
-      require('preview.commands').setup()
-      local aus = vim.api.nvim_get_autocmds({ event = 'VimLeavePre' })
-      local found = false
-      for _, au in ipairs(aus) do
-        if au.callback then
-          found = true
-          break
-        end
-      end
-      assert.is_true(found)
-    end)
   end)
 
   describe('dispatch', function()

spec/compiler_spec.lua

@@ -99,35 +99,6 @@ describe('compiler', function()
       helpers.delete_buffer(bufnr)
     end)
 
-    it('notifies and returns when binary is not executable', function()
-      local bufnr = helpers.create_buffer({ 'hello' }, 'text')
-      vim.api.nvim_buf_set_name(bufnr, '/tmp/preview_test_nobin.txt')
-      vim.bo[bufnr].modified = false
-
-      local notified = false
-      local orig = vim.notify
-      vim.notify = function(msg)
-        if msg:find('not executable') then
-          notified = true
-        end
-      end
-
-      local provider = { cmd = { 'totally_nonexistent_binary_xyz_preview' } }
-      local ctx = {
-        bufnr = bufnr,
-        file = '/tmp/preview_test_nobin.txt',
-        root = '/tmp',
-        ft = 'text',
-      }
-
-      compiler.compile(bufnr, 'nobin', provider, ctx)
-      vim.notify = orig
-
-      assert.is_true(notified)
-      assert.is_nil(compiler._test.active[bufnr])
-      helpers.delete_buffer(bufnr)
-    end)
-
     it('fires PreviewCompileFailed on non-zero exit', function()
       local bufnr = helpers.create_buffer({ 'hello' }, 'text')
       vim.api.nvim_buf_set_name(bufnr, '/tmp/preview_test_fail.txt')

spec/init_spec.lua

@@ -108,62 +108,4 @@ describe('preview', function()
       helpers.delete_buffer(bufnr)
     end)
   end)
-
-  describe('unnamed buffer guard', function()
-    before_each(function()
-      helpers.reset_config({ typst = true })
-      preview = require('preview')
-    end)
-
-    local function capture_notify(fn)
-      local msg = nil
-      local orig = vim.notify
-      vim.notify = function(m)
-        msg = m
-      end
-      fn()
-      vim.notify = orig
-      return msg
-    end
-
-    it('compile warns on unnamed buffer', function()
-      local bufnr = helpers.create_buffer({}, 'typst')
-      local msg = capture_notify(function()
-        preview.compile(bufnr)
-      end)
-      assert.is_not_nil(msg)
-      assert.is_truthy(msg:find('no file name'))
-      helpers.delete_buffer(bufnr)
-    end)
-
-    it('toggle warns on unnamed buffer', function()
-      local bufnr = helpers.create_buffer({}, 'typst')
-      local msg = capture_notify(function()
-        preview.toggle(bufnr)
-      end)
-      assert.is_not_nil(msg)
-      assert.is_truthy(msg:find('no file name'))
-      helpers.delete_buffer(bufnr)
-    end)
-
-    it('clean warns on unnamed buffer', function()
-      local bufnr = helpers.create_buffer({}, 'typst')
-      local msg = capture_notify(function()
-        preview.clean(bufnr)
-      end)
-      assert.is_not_nil(msg)
-      assert.is_truthy(msg:find('no file name'))
-      helpers.delete_buffer(bufnr)
-    end)
-
-    it('open warns on unnamed buffer', function()
-      local bufnr = helpers.create_buffer({}, 'typst')
-      local msg = capture_notify(function()
-        preview.open(bufnr)
-      end)
-      assert.is_not_nil(msg)
-      assert.is_truthy(msg:find('no file name'))
-      helpers.delete_buffer(bufnr)
-    end)
-  end)
 end)