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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
-
-return {
- init_options = { hostInfo = 'neovim' },
- cmd = { 'typescript-language-server', '--stdio' },
- filetypes = {
- 'javascript',
- 'javascriptreact',
- 'javascript.jsx',
- 'typescript',
- 'typescriptreact',
- 'typescript.tsx',
- },
- root_markers = { 'tsconfig.json', 'jsconfig.json', 'package.json', '.git' },
- 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,
-}