jsonls (vscode-json-languageserver) #85

1 files changed, 54 insertions, 0 deletions

diff --git a/lua/nvim_lsp/jsonls.lua b/lua/nvim_lsp/jsonls.lua
new file mode 100644
index 00000000..c93607c9
--- /dev/null
+++ b/lua/nvim_lsp/jsonls.lua
@@ -0,0 +1,54 @@
+local configs = require 'nvim_lsp/configs'
+local util = require 'nvim_lsp/util'
+local lsp = vim.lsp
+
+local server_name = "jsonls"
+local bin_name = "vscode-json-languageserver"
+
+local installer = util.npm_installer {
+  server_name = server_name;
+  packages = {bin_name};
+  binaries = {bin_name};
+}
+
+configs[server_name] = {
+  default_config = util.utf8_config {
+    cmd = {bin_name, "--stdio"};
+    filetypes = {"json"};
+    root_dir = util.root_pattern(".git", vim.fn.getcwd());
+    log_level = lsp.protocol.MessageType.Warning;
+    settings = {};
+  };
+  on_new_config = function(new_config)
+    local install_info = installer.info()
+    if install_info.is_installed then
+      if type(new_config.cmd) == 'table' then
+        -- Try to preserve any additional args from upstream changes.
+        new_config.cmd[1] = install_info.binaries[bin_name]
+      else
+        new_config.cmd = {install_info.binaries[bin_name]}
+      end
+    end
+  end;
+  docs = {
+    -- this language server config is in VSCode built-in package.json
+    package_json = "https://raw.githubusercontent.com/microsoft/vscode/master/extensions/json-language-features/package.json";
+    description = [[
+https://github.com/vscode-langservers/vscode-json-languageserver
+
+vscode-json-languageserver, a language server for JSON and JSON schema
+
+`vscode-json-languageserver` can be installed via `:LspInstall jsonls` or by yourself with `npm`:
+```sh
+npm install -g vscode-json-languageserver
+```
+]];
+    default_config = {
+      root_dir = [[root_pattern(".git", vim.fn.getcwd())]];
+    };
+  };
+}
+
+configs[server_name].install = installer.install
+configs[server_name].install_info = installer.info
+-- vim:et ts=2 sw=2