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feat(commands): add :Preview open subcommand

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Problem: after closing a viewer, there was no way to re-open the last
compiled output without recompiling.

Solution: track the most recent output file per buffer in a `last_output`
table that persists after compilation finishes. Add `compiler.open()`,
`M.open()`, and wire it into the command dispatch.
This commit is contained in:
Barrett Ruth 2026-03-03 13:33:13 -05:00
parent 0b16ff7178
commit c0bf5c5ce1
Signed by: barrett
GPG key ID: A6C96C9349D2FC81
5 changed files with 76 additions and 2 deletions
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9
lua/preview/init.lua
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@ -39,6 +39,7 @@
---@field stop fun(bufnr?: integer)
---@field clean fun(bufnr?: integer)
---@field toggle fun(bufnr?: integer)
---@field open fun(bufnr?: integer)
---@field status fun(bufnr?: integer): preview.Status
---@field get_config fun(): preview.Config
local M = {}
@ -166,6 +167,14 @@ function M.toggle(bufnr)
compiler.toggle(bufnr, name, provider, M.build_context)
end
---@param bufnr? integer
function M.open(bufnr)
bufnr = bufnr or vim.api.nvim_get_current_buf()
if not compiler.open(bufnr) then
vim.notify('[preview.nvim] no output file available for this buffer', vim.log.levels.WARN)
end
end
---@class preview.Status
---@field compiling boolean
---@field watching boolean