symbols: Setup basic highlighting for icons (using tree-sitter)

Color == cool

lua/symbols-outline.lua

@@ -89,9 +89,14 @@ end
 
 local function setup_highlights()
     -- markers
-    highlight_text(markers.middle, markers.middle, "Comment")
+    highlight_text("marker_middle", markers.middle, "Comment")
-    highlight_text(markers.horizontal, markers.horizontal, "Comment")
+    highlight_text("markers_horizontal", markers.horizontal, "Comment")
-    highlight_text(markers.bottom, markers.bottom, "Comment")
+    highlight_text("markers_bottom", markers.bottom, "Comment")
+
+    for _, value in ipairs(symbols.kinds) do
+      local symbol = symbols[value]
+      highlight_text(value, symbol.icon, symbol.hl)
+    end
 end
 
 local function write(outline_items, bufnr, winnr)

lua/symbols.lua

@@ -1,30 +1,30 @@
 M = {}
 
-M.File = ""
+M.File = {icon = "", hl = "TSURI"}
-M.Module = ""
+M.Module = {icon = "", hl = "TSNamespace"}
-M.Namespace = ""
+M.Namespace = {icon = "", hl = "TSNamespace"}
-M.Package = ""
+M.Package = {icon = "", hl = "TSNamespace"}
-M.Class = "𝓒"
+M.Class = {icon = "𝓒", hl = "TSType"}
-M.Method = "ƒ"
+M.Method = {icon = "ƒ", hl = "TSMethod"}
-M.Property = ""
+M.Property = {icon = "", hl = "TSMethod"}
-M.Field = ""
+M.Field = {icon = "", hl = "TSField"}
-M.Constructor = ""
+M.Constructor = {icon = "", hl = "TSConstructor"}
-M.Enum = "ℰ"
+M.Enum = {icon = "ℰ", hl = "TSType"}
-M.Interface = "ﰮ"
+M.Interface = {icon = "ﰮ", hl = "TSType"}
-M.Function = ""
+M.Function = {icon = "", hl = "TSFunction"}
-M.Variable = ""
+M.Variable = {icon = "", hl = "TSConstant"}
-M.Constant = ""
+M.Constant = {icon = "", hl = "TSConstant"}
-M.String = "𝓐"
+M.String = {icon = "𝓐", hl = "TSString"}
-M.Number = "#"
+M.Number = {icon = "#", hl = "TSNumber"}
-M.Boolean = "⊨"
+M.Boolean = {icon = "⊨", hl = "TSBoolean"}
-M.Array = ""
+M.Array = {icon = "", hl = "TSConstant"}
-M.Object = "⦿"
+M.Object = {icon = "⦿", hl = "TSType"}
-M.Key = "🔐"
+M.Key = {icon = "🔐", hl = "TSType"}
-M.Null = "NULL"
+M.Null = {icon = "NULL", hl = "TSType"}
-M.EnumMember = ""
+M.EnumMember = {icon = "", hl = "TSField"}
-M.Struct = "𝓢"
+M.Struct = {icon = "𝓢", hl = "TSType"}
-M.Event = "🗲"
+M.Event = {icon = "🗲", hl = "TSType"}
-M.Operator = "𝒯"
+M.Operator = {icon = "𝒯", hl = "TSOperator"}
 
 M.kinds = {
     "File", "Module", "Namespace", "Package", "Class", "Method", "Property",
@@ -33,8 +33,6 @@ M.kinds = {
     "EnumMember", "Struct", "Event", "Operator"
 }
 
-function M.icon_from_kind(kind)
+function M.icon_from_kind(kind) return M[M.kinds[kind]].icon end
-   return M[M.kinds[kind]]
-end
 
 return M