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feat(lsp): support willSave & willSaveWaitUntil capability (#21315)

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`willSaveWaitUntil` allows servers to respond with text edits before
saving a document. That is used by some language servers to format a
document or apply quick fixes like removing unused imports.
This commit is contained in:
Mathias Fußenegger
2022-12-08 10:55:01 +01:00
committed by GitHub
parent a505c1acc3
commit 54305443b9
4 changed files with 114 additions and 13 deletions
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32
runtime/lua/vim/lsp.lua
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@@ -1611,9 +1611,37 @@ function lsp.buf_attach_client(bufnr, client_id)
all_buffer_active_clients[bufnr] = buffer_client_ids
local uri = vim.uri_from_bufnr(bufnr)
local augroup = ('lsp_c_%d_b_%d_did_save'):format(client_id, bufnr)
local augroup = ('lsp_c_%d_b_%d_save'):format(client_id, bufnr)
local group = api.nvim_create_augroup(augroup, { clear = true })
api.nvim_create_autocmd('BufWritePre', {
group = group,
buffer = bufnr,
desc = 'vim.lsp: textDocument/willSave',
callback = function(ctx)
for_each_buffer_client(ctx.buf, function(client)
local params = {
textDocument = {
uri = uri,
},
reason = protocol.TextDocumentSaveReason.Manual,
}
if vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'willSave') then
client.notify('textDocument/willSave', params)
end
if vim.tbl_get(client.server_capabilities, 'textDocumentSync', 'willSaveWaitUntil') then
local result, err =
client.request_sync('textDocument/willSaveWaitUntil', params, 1000, ctx.buf)
if result and result.result then
util.apply_text_edits(result.result, ctx.buf, client.offset_encoding)
elseif err then
log.error(vim.inspect(err))
end
end
end)
end,
})
api.nvim_create_autocmd('BufWritePost', {
group = api.nvim_create_augroup(augroup, { clear = true }),
group = group,
buffer = bufnr,
desc = 'vim.lsp: textDocument/didSave handler',
callback = function(ctx)