feat: add erg-language-server (#503)

1 files changed, 45 insertions, 0 deletions

diff --git a/lua/mason-registry/erg-language-server/init.lua b/lua/mason-registry/erg-language-server/init.lua
new file mode 100644
index 00000000..4bbae8a0
--- /dev/null
+++ b/lua/mason-registry/erg-language-server/init.lua
@@ -0,0 +1,45 @@
+local Pkg = require "mason-core.package"
+local github = require "mason-core.managers.github"
+local platform = require "mason-core.platform"
+local _ = require "mason-core.functional"
+
+return Pkg.new {
+    name = "erg-language-server",
+    desc = [[ELS is a language server for the Erg programing language.]],
+    homepage = "https://github.com/erg-lang/erg-language-server",
+    languages = { Pkg.Lang.Erg },
+    categories = { Pkg.Cat.LSP },
+    ---@async
+    ---@param ctx InstallContext
+    install = function(ctx)
+        local repo = "erg-lang/erg-language-server"
+        local asset_file = _.coalesce(
+            _.when(platform.is.mac_x64, "els-x86_64-apple-darwin.tar.gz"),
+            _.when(platform.is.mac_arm64, "els-aarch64-apple-darwin.tar.gz"),
+            _.when(platform.is.linux_arm64_gnu, "els-aarch64-unknown-linux-gnu.tar.gz"),
+            _.when(platform.is.linux_x64_gnu, "els-x86_64-unknown-linux-gnu.tar.gz"),
+            _.when(platform.is.linux_x64, "els-x86_64-unknown-linux-musl.tar.gz"),
+            _.when(platform.is.win_x64, "els-x86_64-pc-windows-msvc.zip")
+        )
+        platform.when {
+            unix = function()
+                github
+                    .untargz_release_file({
+                        repo = repo,
+                        asset_file = asset_file,
+                    })
+                    .with_receipt()
+                ctx:link_bin("els", "els")
+            end,
+            win = function()
+                github
+                    .unzip_release_file({
+                        repo = repo,
+                        asset_file = asset_file,
+                    })
+                    .with_receipt()
+                ctx:link_bin("els", "els.exe")
+            end,
+        }
+    end,
+}