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|
---@brief
---
--- https://github.com/denoland/deno
---
--- Deno's built-in language server
---
--- To appropriately highlight codefences returned from denols, you will need to augment vim.g.markdown_fenced languages
--- in your init.lua. Example:
---
--- ```lua
--- vim.g.markdown_fenced_languages = {
--- "ts=typescript"
--- }
--- ```
local lsp = vim.lsp
local function virtual_text_document_handler(uri, res, client)
if not res then
return nil
end
local lines = vim.split(res.result, '\n')
local bufnr = vim.uri_to_bufnr(uri)
local current_buf = vim.api.nvim_buf_get_lines(bufnr, 0, -1, false)
if #current_buf ~= 0 then
return nil
end
vim.api.nvim_buf_set_lines(bufnr, 0, -1, false, lines)
vim.api.nvim_set_option_value('readonly', true, { buf = bufnr })
vim.api.nvim_set_option_value('modified', false, { buf = bufnr })
vim.api.nvim_set_option_value('modifiable', false, { buf = bufnr })
lsp.buf_attach_client(bufnr, client.id)
end
local function virtual_text_document(uri, client)
local params = {
textDocument = {
uri = uri,
},
}
local result = client:request_sync('deno/virtualTextDocument', params)
virtual_text_document_handler(uri, result, client)
end
local function denols_handler(err, result, ctx, config)
if not result or vim.tbl_isempty(result) then
return nil
end
local client = vim.lsp.get_client_by_id(ctx.client_id)
for _, res in pairs(result) do
local uri = res.uri or res.targetUri
if uri:match '^deno:' then
virtual_text_document(uri, client)
res['uri'] = uri
res['targetUri'] = uri
end
end
lsp.handlers[ctx.method](err, result, ctx, config)
end
---@type vim.lsp.Config
return {
cmd = { 'deno', 'lsp' },
cmd_env = { NO_COLOR = true },
filetypes = {
'javascript',
'javascriptreact',
'javascript.jsx',
'typescript',
'typescriptreact',
'typescript.tsx',
},
root_dir = function(bufnr, on_dir)
-- The project root is where the LSP can be started from
local root_markers = { 'deno.lock' }
-- Give the root markers equal priority by wrapping them in a table
root_markers = vim.fn.has('nvim-0.11.3') == 1 and { root_markers, { '.git' } }
or vim.list_extend(root_markers, { '.git' })
-- exclude non-deno projects (npm, yarn, pnpm, bun)
local non_deno_path = vim.fs.root(
bufnr,
{ 'package.json', 'package-lock.json', 'yarn.lock', 'pnpm-lock.yaml', 'bun.lockb', 'bun.lock' }
)
local project_root = vim.fs.root(bufnr, root_markers)
if non_deno_path and (not project_root or #non_deno_path >= #project_root) then
return
end
-- We fallback to the current working directory if no project root is found
on_dir(project_root or vim.fn.getcwd())
end,
settings = {
deno = {
enable = true,
suggest = {
imports = {
hosts = {
['https://deno.land'] = true,
},
},
},
},
},
handlers = {
['textDocument/definition'] = denols_handler,
['textDocument/typeDefinition'] = denols_handler,
['textDocument/references'] = denols_handler,
},
on_attach = function(client, bufnr)
vim.api.nvim_buf_create_user_command(bufnr, 'LspDenolsCache', function()
client:exec_cmd({
title = 'DenolsCache',
command = 'deno.cache',
arguments = { {}, vim.uri_from_bufnr(bufnr) },
}, { bufnr = bufnr }, function(err, _, ctx)
if err then
local uri = ctx.params.arguments[2]
vim.notify('cache command failed for' .. vim.uri_to_fname(uri), vim.log.levels.ERROR)
end
end)
end, {
desc = 'Cache a module and all of its dependencies.',
})
end,
}
|
