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|
---@brief
---
--- https://github.com/typescript-language-server/typescript-language-server
---
--- `ts_ls`, aka `typescript-language-server`, is a Language Server Protocol implementation for TypeScript wrapping `tsserver`. Note that `ts_ls` is not `tsserver`.
---
--- `typescript-language-server` depends on `typescript`. Both packages can be installed via `npm`:
--- ```sh
--- npm install -g typescript typescript-language-server
--- ```
---
--- To configure typescript language server, add a
--- [`tsconfig.json`](https://www.typescriptlang.org/docs/handbook/tsconfig-json.html) or
--- [`jsconfig.json`](https://code.visualstudio.com/docs/languages/jsconfig) to the root of your
--- project.
---
--- Here's an example that disables type checking in JavaScript files.
---
--- ```json
--- {
--- "compilerOptions": {
--- "module": "commonjs",
--- "target": "es6",
--- "checkJs": false
--- },
--- "exclude": [
--- "node_modules"
--- ]
--- }
--- ```
---
--- Use the `:LspTypescriptSourceAction` command to see "whole file" ("source") code-actions such as:
--- - organize imports
--- - remove unused code
---
--- ### Monorepo support
---
--- `ts_ls` supports monorepos by default. It will automatically find the `tsconfig.json` or `jsconfig.json` corresponding to the package you are working on.
--- This works without the need of spawning multiple instances of `ts_ls`, saving memory.
---
--- It is recommended to use the same version of TypeScript in all packages, and therefore have it available in your workspace root. The location of the TypeScript binary will be determined automatically, but only once.
---
---@type vim.lsp.Config
return {
init_options = { hostInfo = 'neovim' },
cmd = { 'typescript-language-server', '--stdio' },
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
-- As stated in the documentation above, this LSP supports monorepos and simple projects.
-- We select then from the project root, which is identified by the presence of a package
-- manager lock file.
local root_markers = { 'package-lock.json', 'yarn.lock', 'pnpm-lock.yaml', 'bun.lockb', 'bun.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' })
-- We fallback to the current working directory if no project root is found
local project_root = vim.fs.root(bufnr, root_markers) or vim.fn.getcwd()
on_dir(project_root)
end,
handlers = {
-- handle rename request for certain code actions like extracting functions / types
['_typescript.rename'] = function(_, result, ctx)
local client = assert(vim.lsp.get_client_by_id(ctx.client_id))
vim.lsp.util.show_document({
uri = result.textDocument.uri,
range = {
start = result.position,
['end'] = result.position,
},
}, client.offset_encoding)
vim.lsp.buf.rename()
return vim.NIL
end,
},
commands = {
['editor.action.showReferences'] = function(command, ctx)
local client = assert(vim.lsp.get_client_by_id(ctx.client_id))
local file_uri, position, references = unpack(command.arguments)
local quickfix_items = vim.lsp.util.locations_to_items(references, client.offset_encoding)
vim.fn.setqflist({}, ' ', {
title = command.title,
items = quickfix_items,
context = {
command = command,
bufnr = ctx.bufnr,
},
})
vim.lsp.util.show_document({
uri = file_uri,
range = {
start = position,
['end'] = position,
},
}, client.offset_encoding)
vim.cmd('botright copen')
end,
},
on_attach = function(client, bufnr)
-- ts_ls provides `source.*` code actions that apply to the whole file. These only appear in
-- `vim.lsp.buf.code_action()` if specified in `context.only`.
vim.api.nvim_buf_create_user_command(bufnr, 'LspTypescriptSourceAction', function()
local source_actions = vim.tbl_filter(function(action)
return vim.startswith(action, 'source.')
end, client.server_capabilities.codeActionProvider.codeActionKinds)
vim.lsp.buf.code_action({
context = {
only = source_actions,
},
})
end, {})
end,
}
|