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refactor: introduce nvim_on internally #39883

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Problem:
`nvim_create_autocmd` is too verbose and its `callback` requires extra
"nesting".

Solution:
Introduce `nvim_on`. Start using it internally. Then we can get a feel
for how it should look before making it public.
This commit is contained in:
Justin M. Keyes
2026-05-20 17:33:01 -04:00
committed by GitHub
parent 799cbfff85
commit 9aa4608401
32 changed files with 842 additions and 1040 deletions
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51
runtime/lua/vim/lsp/diagnostic.lua
View File

@@ -8,6 +8,7 @@ local protocol = lsp.protocol
local util = lsp.util
local api = vim.api
local nvim_on = require('vim._core.util').nvim_on
local M = {}
@@ -416,22 +417,18 @@ function M._enable(bufnr)
bufstates[bufnr] = { pull_kind = 'document', client_result_id = {} }
end
api.nvim_create_autocmd('LspNotify', {
buf = bufnr,
callback = function(opts)
if
opts.data.method ~= 'textDocument/didChange'
and opts.data.method ~= 'textDocument/didOpen'
then
return
end
if bufstates[bufnr] and bufstates[bufnr].pull_kind == 'document' then
local client_id = opts.data.client_id --- @type integer?
M._refresh(bufnr, client_id, true)
end
end,
group = augroup,
})
nvim_on('LspNotify', augroup, { buf = bufnr }, function(opts)
if
opts.data.method ~= 'textDocument/didChange'
and opts.data.method ~= 'textDocument/didOpen'
then
return
end
if bufstates[bufnr] and bufstates[bufnr].pull_kind == 'document' then
local client_id = opts.data.client_id --- @type integer?
M._refresh(bufnr, client_id, true)
end
end)
api.nvim_buf_attach(bufnr, false, {
on_reload = function()
@@ -444,21 +441,15 @@ function M._enable(bufnr)
end,
})
api.nvim_create_autocmd('LspDetach', {
buf = bufnr,
callback = function(ev)
local clients = lsp.get_clients({ bufnr = bufnr, method = 'textDocument/diagnostic' })
nvim_on('LspDetach', augroup, { buf = bufnr }, function(ev)
local clients = lsp.get_clients({ bufnr = bufnr, method = 'textDocument/diagnostic' })
if
not vim.iter(clients):any(function(c)
return c.id ~= ev.data.client_id
end)
then
disable(bufnr)
end
end,
group = augroup,
})
if not vim.iter(clients):any(function(c)
return c.id ~= ev.data.client_id
end) then
disable(bufnr)
end
end)
end
--- Returns the result IDs from the reports provided by the given client.