feat: replace $themes with $config

removes unused $metadata

packages/calcite-design-tokens/src/$config.ts

@@ -0,0 +1,63 @@
+import { dirname, resolve } from "path";
+import { fileURLToPath } from "url";
+
+import { CalciteTokenTransformConfig } from "../support/types/config.js";
+import { Platform } from "../support/types/platform.js";
+import { globalTokens, coreTokens } from "./index.js";
+
+const __filename = fileURLToPath(import.meta.url);
+const __dirname = dirname(__filename);
+
+export const config: CalciteTokenTransformConfig = {
+  files: [coreTokens, globalTokens],
+  options: {
+    prefix: "calcite",
+  },
+  output: {
+    dir: resolve(__dirname, "../dist"),
+    platforms: [Platform.SCSS, Platform.CSS, Platform.JS, Platform.ES6],
+    expandFiles: {
+      css: {
+        typography: "classes.css",
+        colorScheme: { light: "light.css", dark: "dark.css" },
+        breakpoint: "breakpoint.css",
+        index: {
+          name: "index.css",
+          import: [
+            "./global.css",
+            "./classes.css",
+            ["./dark.css", "(prefers-color-scheme: dark)"],
+            ["./light.css", "(prefers-color-scheme: light)"],
+          ],
+          class: [
+            ["calcite-color-scheme-light", "light"],
+            ["calcite-color-scheme-dark", "dark"],
+          ],
+        },
+      },
+      scss: {
+        typography: "mixins.scss",
+        colorScheme: { light: "light.scss", dark: "dark.scss" },
+        breakpoint: "breakpoints.scss",
+        index: {
+          name: "index.scss",
+          import: ["../css/index.css"],
+          forward: ["./mixins.scss"],
+          mixin: [
+            ["calcite-color-scheme-light", "light"],
+            ["calcite-color-scheme-dark", "dark"],
+          ],
+        },
+      },
+      js: {
+        breakpoint: "breakpoints.js",
+        index: {
+          name: "index.js",
+          export: ["./global.js", "./breakpoints.js"],
+        },
+      },
+    },
+  },
+};
+
+export default config;