clean up legacy files

legacy/lua/init.lua

@@ -0,0 +1,38 @@
+vim.o.foldmethod = 'expr'
+vim.o.foldexpr = 'nvim_treesitter#foldexpr()'
+
+vim.diagnostic.config({
+    virtual_text = false,
+    signs = true,
+    underline = false,
+    update_in_insert = false,
+    severity_sort = true,
+    float = {
+        border = "single",
+        source = "always" -- Or "if_many"
+    }
+})
+
+local signs = {Error = "● ", Warn = "● ", Hint = "● ", Info = "● "}
+for type, icon in pairs(signs) do
+    local hl = "DiagnosticSign" .. type
+    vim.fn.sign_define(hl, {text = icon, texthl = hl, numhl = hl})
+end
+
+local border = {
+    {"┌", "FloatBorder"}, {"─", "FloatBorder"}, {"┐", "FloatBorder"},
+    {"│", "FloatBorder"}, {"┘", "FloatBorder"}, {"─", "FloatBorder"},
+    {"└", "FloatBorder"}, {"│", "FloatBorder"}
+}
+
+vim.lsp.handlers["textDocument/hover"] =
+    vim.lsp.with(vim.lsp.handlers.hover, {border = "single"})
+vim.lsp.handlers["textDocument/signatureHelp"] =
+    vim.lsp.with(vim.lsp.handlers.signature_help, {border = "single"})
+
+local orig_util_open_floating_preview = vim.lsp.util.open_floating_preview
+function vim.lsp.util.open_floating_preview(contents, syntax, opts, ...)
+    opts = opts or {}
+    opts.border = opts.border or border
+    return orig_util_open_floating_preview(contents, syntax, opts, ...)
+end