feat: add apex_ls (#746)

Closes #701.

2 files changed, 45 insertions, 0 deletions

diff --git a/lua/nvim-lsp-installer/servers/apex_ls/init.lua b/lua/nvim-lsp-installer/servers/apex_ls/init.lua
new file mode 100644
index 00000000..56585b78
--- /dev/null
+++ b/lua/nvim-lsp-installer/servers/apex_ls/init.lua
@@ -0,0 +1,44 @@
+local server = require "nvim-lsp-installer.server"
+local github = require "nvim-lsp-installer.core.managers.github"
+local github_client = require "nvim-lsp-installer.core.managers.github.client"
+local git = require "nvim-lsp-installer.core.managers.git"
+local Optional = require "nvim-lsp-installer.core.optional"
+local path = require "nvim-lsp-installer.core.path"
+local _ = require "nvim-lsp-installer.core.functional"
+
+return function(name, root_dir)
+    local JAR_FILE = "apex-jorje-lsp.jar"
+
+    return server.Server:new {
+        name = name,
+        root_dir = root_dir,
+        homepage = "https://github.com/forcedotcom/salesforcedx-vscode",
+        languages = { "apex" },
+        ---@async
+        ---@param ctx InstallContext
+        installer = function(ctx)
+            local repo = "forcedotcom/salesforcedx-vscode"
+
+            -- See https://github.com/forcedotcom/salesforcedx-vscode/issues/4184#issuecomment-1146052086
+            ---@type GitHubRelease
+            local release = github_client
+                .fetch_releases(repo)
+                :map(_.find_first(_.prop_satisfies(_.compose(_.gt(0), _.length), "assets")))
+                :map(Optional.of_nilable)
+                :get_or_throw() -- Result unwrap
+                :or_else_throw "Failed to find release with assets." -- Optional unwrap
+
+            github.unzip_release_file({
+                version = Optional.of(release.tag_name),
+                asset_file = _.compose(_.format "salesforcedx-vscode-apex-%s.vsix", _.gsub("^v", "")),
+                repo = repo,
+            }).with_receipt()
+
+            ctx.fs:rename(path.concat { "extension", "out", JAR_FILE }, JAR_FILE)
+            ctx.fs:rmrf "extension"
+        end,
+        default_options = {
+            apex_jar_path = path.concat { root_dir, JAR_FILE },
+        },
+    }
+end
diff --git a/lua/nvim-lsp-installer/servers/init.lua b/lua/nvim-lsp-installer/servers/init.lua
index fc049589..861f4e09 100644
--- a/lua/nvim-lsp-installer/servers/init.lua
+++ b/lua/nvim-lsp-installer/servers/init.lua
@@ -34,6 +34,7 @@ local INSTALL_DIRS = {
 local CORE_SERVERS = _.set_of {
     "angularls",
     "ansiblels",
+    "apex_ls",
     "arduino_language_server",
     "asm_lsp",
     "astro",