feat(mason-lspconfig): add :LspInstall and :LspUninstall commands (#35)

These should be in complete parity with the nvim-lsp-installer commands.
Now even better than before.

1 files changed, 20 insertions, 0 deletions

diff --git a/scripts/autogen_metadata.lua b/scripts/autogen_metadata.lua
index 29339ce1..736b1bcb 100644
--- a/scripts/autogen_metadata.lua
+++ b/scripts/autogen_metadata.lua
@@ -3,6 +3,7 @@ local Path = require "mason-core.path"
 local fetch = require "mason-core.fetch"
 local _ = require "mason-core.functional"
 local fs = require "mason-core.fs"
+local registry = require "mason-registry"
 local lspconfig_server_mapping = require "mason-lspconfig.mappings.server"
 
 ---@async
@@ -48,6 +49,24 @@ local function create_lspconfig_filetype_map()
 end
 
 ---@async
+local function create_language_map()
+    local language_map = {}
+    local sorted_packages = _.sort_by(_.prop "name", registry.get_all_packages())
+    _.each(function(pkg)
+        _.each(function(language)
+            local language_lc = language:lower()
+            language_map[language_lc] = _.append(pkg.name, language_map[language_lc] or {})
+        end, pkg.spec.languages)
+    end, sorted_packages)
+
+    write_file(
+        Path.concat { vim.loop.cwd(), "lua", "mason", "mappings", "language.lua" },
+        "return " .. vim.inspect(language_map),
+        "w"
+    )
+end
+
+---@async
 local function create_lsp_setting_schema_files()
     local lsp_schemas_path = Path.concat {
         vim.loop.cwd(),
@@ -124,6 +143,7 @@ end
 a.run_blocking(function()
     a.wait_all(_.filter(_.identity, {
         create_lspconfig_filetype_map,
+        create_language_map,
         not vim.env.SKIP_SCHEMAS and create_lsp_setting_schema_files,
         create_package_index,
     }))