diff options
Diffstat (limited to 'spellcheck.lua')
| -rw-r--r-- | spellcheck.lua | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/spellcheck.lua b/spellcheck.lua index 4e4797c..a01170f 100644 --- a/spellcheck.lua +++ b/spellcheck.lua @@ -64,6 +64,24 @@ local supress_stderr = ' 2>/dev/null' -- Detect if vis supports piping a buffer to an external command. local vis_supports_pipe_buf = pcall(vis.pipe, vis, 'foo', 'true', false) +--- Detect if vis supports file snapshots via lua +-- This is a function to lazily evaluate vis' capacity, because during startup +-- there is no file available. +local vis_supports_file_snapshot +do + local _vis_supports_file_snapshot + + vis_supports_file_snapshot = function() + if _vis_supports_file_snapshot ~= nil then + return _vis_supports_file_snapshot + end + if vis.win and vis.win.file and _vis_supports_file_snapshot == nil then + _vis_supports_file_snapshot = pcall(vis.win.file.snapshot, vis.win.file) + end + return _vis_supports_file_snapshot + end +end + -- Return nil or a sequence of misspelled words in a specific file range or text -- by calling the spellchecker's list command. -- If given a range we will use vis:pipe to get our typos from the spellchecker. @@ -384,6 +402,9 @@ vis:map(vis.modes.NORMAL, '<C-w>w', function() if status == 0 then -- trim correction correction = correction:match('^%s*(.-)%s*$') + if vis_supports_file_snapshot() then + win.file:snapshot() + end win.file:delete(range) win.file:insert(range.start, correction) end |