feat: add originalType to studio extensions, fix type issues wrt opti…

…onals

.changeset/small-mice-share.md

@@ -0,0 +1,5 @@
+---
+'@tokens-studio/types': minor
+---
+
+BREAKING: $extensions['studio.tokens'] is now optional, modify inner prop is optional, $extensions is extendable with other namespaces, add originalType meta prop to studio.tokens namespace.

package.json

@@ -53,7 +53,7 @@
     "rimraf": "^5.0.0",
     "rollup": "^3.20.2",
     "typedoc": "^0.24.1",
-    "typescript": "^5.0.4"
+    "typescript": "^5.5.3"
   },
   "keywords": [
     "design tokens",

src/types/tokens/SingleGenericToken.ts

@@ -13,7 +13,16 @@ type _SingleGenericToken<T, V, Named, P> = {
   oldValue?: V;
   internal__Parent?: string;
   inheritTypeLevel?: number;
-  $extensions?: { 'studio.tokens': { modify: ColorModifier } };
+  $extensions?: { 
+    'studio.tokens'?: { 
+      modify?: ColorModifier,
+      // this may be set by sd-transforms when aligning the Tokens Studio types to the DTCG types
+      // so that certain transforms can still match tokens e.g. letterSpacing -> dimension, but the letterspacing
+      // transform only wants to match for letterSpacing tokens, not all dimension tokens.
+      originalType?: T;
+    },
+    [key: string]: object | undefined
+  };
 } & (Named extends true
   ? {
       name: string;

tsconfig.json

@@ -1,9 +1,9 @@
 {
   "compilerOptions": {
     "target": "esnext",
-    "module": "esnext",
+    "module": "NodeNext",
     "declaration": true,
-    "moduleResolution": "nodenext",
+    "moduleResolution": "NodeNext",
     "lib": ["ESNext", "dom"],
     "allowSyntheticDefaultImports": true,
     "strict": true,