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local skeleton = require 'nvim_lsp/skeleton'
local util = require 'nvim_lsp/util'
local lsp = vim.lsp
local fn = vim.fn
local api = vim.api
local need_bins = util.need_bins
local default_capabilities = lsp.protocol.make_client_capabilities()
default_capabilities.offsetEncoding = {"utf-8", "utf-16"}
local bin_name = "typescript-language-server"
local install_dir = util.path.join(fn.stdpath("cache"), "nvim_lsp", "typescript-language-server")
local function get_install_info()
local bin_dir = util.path.join(install_dir, "node_modules", ".bin")
local bins = { bin_dir = bin_dir; install_dir = install_dir; }
bins.tsserver = util.path.join(bin_dir, bin_name)
bins.is_installed = need_bins(bins.tsserver)
return bins
end
local global_commands = {
TsServerInstall = {
function()
if get_install_info().is_installed then
return print('typescript-language-server is already installed')
end
skeleton.tsserver.install()
end;
description = 'Install typescript-language-server and its dependencies to stdpath("cache")/nvim_lsp/typescript-language-server';
};
TsServerInstallInfo = {
function()
local install_info = get_install_info()
if not install_info.is_installed then
return print('typescript-language-server is not installed')
end
print(vim.inspect(install_info))
end;
description = 'Print installation infor for `typescript-language-server`'
}
};
util.create_module_commands("typescript-language-server", global_commands)
skeleton.tsserver = {
default_config = {
cmd = {bin_name};
filetypes = {"typescript", "typescriptreact", "typescript.tsx"};
root_dir = util.root_pattern("package.json");
log_level = lsp.protocol.MessageType.Warning;
settings = {};
capabilities = default_capabilities;
on_init = function(client, result)
if result.offsetEncoding then
client.offset_encoding = result.offsetEncoding
end
end
};
commands = global_commands;
on_new_config = function(new_config)
local install_info = get_install_info()
if install_info.is_installed then
new_config.cmd = {install_info.tsserver}
end
end;
docs = {
description = [[
https://github.com/theia-ide/typescript-language-server
typescript-language-server can be installed via `:TsServerInstall` or by yourself with `npm`:
```sh
npm install -g typescript-language-server
```
]];
default_config = {
root_dir = [[root_pattern("package.json")]];
on_init = [[function to handle changing offsetEncoding]];
capabilities = [[default capabilities, with offsetEncoding utf-8]];
};
};
}
function skeleton.tsserver.install()
if not need_bins(bin_name) then return end
if not need_bins("sh", "npm", "mkdir", "cd") then
vim.api.nvim_err_writeln('Installation requires "sh", "npm", "mkdir", "cd"')
return
end
local install_info = get_install_info()
if install_info.is_installed then
return
end
local cmd = io.popen("sh", "w")
local install_script = ([[
set -eo pipefail
mkdir -p "{{install_dir}}"
cd "{{install_dir}}"
npm install typescript-language-server
]]):gsub("{{(%S+)}}", install_info)
print(install_script)
cmd:write(install_script)
cmd:close()
end
skeleton.tsserver.get_install_info = get_install_info
-- vim:et ts=2 sw=2
|
