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

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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 19:22:32 -05:00
parent bb9ca987e1
commit b95493ddee
Signed by: barrett
GPG key ID: A6C96C9349D2FC81
4 changed files with 40 additions and 7 deletions
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6
lua/preview/init.lua
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@ -10,6 +10,7 @@
---@field clean? string[]|fun(ctx: preview.Context): string[]
---@field open? boolean|string[]
---@field reload? boolean|string[]|fun(ctx: preview.Context): string[]
---@field detach? boolean
---@class preview.Config
---@field debug boolean|string
@ -101,6 +102,7 @@ function M.setup(opts)
end, 'false, "diagnostic", or "quickfix"')
vim.validate(prefix .. '.open', provider.open, { 'boolean', 'table' }, true)
vim.validate(prefix .. '.reload', provider.reload, { 'boolean', 'table', 'function' }, true)
vim.validate(prefix .. '.detach', provider.detach, 'boolean', true)
end
config = vim.tbl_deep_extend('force', default_config, {
@ -246,4 +248,8 @@ M._test = {
end,
}
if vim.g.preview then
M.setup(vim.g.preview)
end
return M