fix(submit): use file path over stdin; fix CF CodeMirror textarea (#305)

## Problem

After the initial submit hardening, two issues remained: source code was
read in Lua and piped as stdin to the scraper (unnecessary roundtrip
since
the file exists on disk), and CF's `page.fill()` timed out on the hidden
`textarea[name="source"]` because CodeMirror owns the editor state.

## Solution

Pass the source file path as a CLI arg instead — AtCoder calls
`page.set_input_files(file_path)` directly, CF reads it with
`Path(file_path).read_text()`. Fix CF source injection via
`page.evaluate()`
into the CodeMirror instance. Extract `BROWSER_SUBMIT_NAV_TIMEOUT` as a
per-platform `defaultdict` (CF defaults to 2× nav timeout). Save the
buffer
with `vim.cmd.update()` before submitting.
This commit is contained in:
Barrett Ruth 2026-03-05 14:34:14 -05:00 committed by GitHub
parent 127089c57f
commit a202725cc5
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GPG key ID: B5690EEEBB952194
28 changed files with 269 additions and 168 deletions

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@ -12,7 +12,7 @@ function M.handle_pick_action(language)
if not (config.ui and config.ui.picker) then
logger.log(
'No picker configured. Set ui.picker = "{telescope,fzf-lua}" in your config.',
vim.log.levels.ERROR
{ level = vim.log.levels.ERROR }
)
return
end
@ -25,13 +25,13 @@ function M.handle_pick_action(language)
if not ok then
logger.log(
'telescope.nvim is not available. Install telescope.nvim xor change your picker config.',
vim.log.levels.ERROR
{ level = vim.log.levels.ERROR }
)
return
end
local ok_cp, telescope_picker = pcall(require, 'cp.pickers.telescope')
if not ok_cp then
logger.log('Failed to load telescope integration.', vim.log.levels.ERROR)
logger.log('Failed to load telescope integration.', { level = vim.log.levels.ERROR })
return
end
@ -41,13 +41,13 @@ function M.handle_pick_action(language)
if not ok then
logger.log(
'fzf-lua is not available. Install fzf-lua or change your picker config',
vim.log.levels.ERROR
{ level = vim.log.levels.ERROR }
)
return
end
local ok_cp, fzf_picker = pcall(require, 'cp.pickers.fzf_lua')
if not ok_cp then
logger.log('Failed to load fzf-lua integration.', vim.log.levels.ERROR)
logger.log('Failed to load fzf-lua integration.', { level = vim.log.levels.ERROR })
return
end