barrett/preview.nvim
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feat: add detach provider field and vim.g.preview config support (#42)

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Problem: viewer processes launched via a string[] `open` command were
always killed on buffer deletion with no way to opt out. Configuring
the plugin also required an explicit `setup()` call in a `config`
hook, preventing config from being declared before the plugin loads.

Solution: add a `detach` boolean to `ProviderConfig` that skips
SIGTERM on buffer unload. Auto-call `setup()` from `vim.g.preview`
at module load time, enabling config via lazy.nvim's `init` hook.
Update vimdoc and README accordingly.
This commit is contained in:
Barrett Ruth 2026-03-04 19:30:56 -05:00 • committed by GitHub
parent bb9ca987e1
commit f1aed82f42
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4 changed files with 40 additions and 7 deletions
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12
lua/preview/compiler.lua
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@ -291,7 +291,9 @@ function M.compile(bufnr, name, provider, ctx, opts)
callback = function()
M.stop(bufnr)
stop_open_watcher(bufnr)
close_viewer(bufnr)
if not provider.detach then
close_viewer(bufnr)
end
last_output[bufnr] = nil
end,
})
@ -404,7 +406,9 @@ function M.compile(bufnr, name, provider, ctx, opts)
once = true,
callback = function()
M.stop(bufnr)
close_viewer(bufnr)
if not provider.detach then
close_viewer(bufnr)
end
last_output[bufnr] = nil
end,
})
@ -507,7 +511,9 @@ function M.toggle(bufnr, name, provider, ctx_builder)
callback = function()
M.unwatch(bufnr)
stop_open_watcher(bufnr)
close_viewer(bufnr)
if not provider.detach then
close_viewer(bufnr)
end
opened[bufnr] = nil
end,
})