Add flow (#408)

* Add flow

* Add flow

README.md

@@ -112,6 +112,7 @@ Because there is no way to update a server, please run `:LspInstallServer` again
 | JavaScript       | typescript-language-server        | Yes       | Yes           |
 | JavaScript       | javascript-typescript-stdio       | Yes       | Yes           |
 | JavaScript       | rome                              | Yes       | Yes           |
+| JavaScript       | flow                              | Yes       | Yes           |
 | JavaScript       | eslint-language-server            | Yes       | Yes           |
 | Julia            | LanguageServer.jl                 | Yes       | No            |
 | Java             | java-language-server              | No        | No            |
@@ -173,6 +174,10 @@ If you installed rls already, you can use rls without configurations. But if you
 
 To use deno, `node_modules` should **not** located on the project directory.
 
+### flow (JavaScript)
+
+To use flow, the `.flowconfig` has to be located on the top of project directory.
+
 ### graphql-language-service-cli(GraphQL)
 
 To use graphql-language-service-cli, the [GraphQL Config](https://graphql-config.com/introduction#examples) has to be located on the top of project directory. The schema must be pointed to the schema file correctly.

installer/install-flow.cmd

@@ -0,0 +1,3 @@
+@echo off
+
+call "%~dp0\npm_install.cmd" flow flow-bin

installer/install-flow.sh

@@ -0,0 +1,5 @@
+#!/usr/bin/env bash
+
+set -e
+
+"$(dirname "$0")/npm_install.sh" flow flow-bin

settings.json

@@ -460,6 +460,16 @@
       "requires": [
         "cargo"
       ]
+    },
+    {
+      "command": "flow",
+      "requires": [
+        "npm"
+      ],
+      "root_uri_patterns": [
+        "package.json",
+        ".flowconfig"
+      ]
     }
   ],
   "javascriptreact": [
@@ -496,6 +506,16 @@
     {
       "command": "deno",
       "requires": []
+    },
+    {
+      "command": "flow",
+      "requires": [
+        "npm"
+      ],
+      "root_uri_patterns": [
+        "package.json",
+        ".flowconfig"
+      ]
     }
   ],
   "json": [

settings/flow.vim

@@ -0,0 +1,14 @@
+augroup vim_lsp_settings_flow
+  au!
+  LspRegisterServer {
+      \ 'name': 'flow',
+      \ 'cmd': {server_info->lsp_settings#get('node', 'cmd', [lsp_settings#exec_path('flow'), 'lsp'])},
+      \ 'root_uri': {server_info->lsp#utils#path_to_uri(lsp#utils#find_nearest_parent_file_directory(lsp#utils#get_buffer_path(), '.flowconfig'))},
+      \ 'initialization_options': lsp_settings#get('flow', 'initialization_options', {}),
+      \ 'allowlist': lsp_settings#get('flow', 'allowlist', ['javascript', 'javascriptreact']),
+      \ 'blocklist': lsp_settings#get('flow', 'blocklist', []),
+      \ 'config': lsp_settings#get('flow', 'config', {}),
+      \ 'workspace_config': lsp_settings#get('flow', 'workspace_config', {}),
+      \ 'semantic_highlight': lsp_settings#get('flow', 'semantic_highlight', {}),
+      \}
+augroup END