refactor(truncate): rename "direction" prop to "clamp"

actions/truncate.js

@@ -1,24 +1,25 @@
 /**
  * Svelte action that applies single-line text truncation to an element
  * @param {HTMLElement} node
- * @param {{ direction?: "end" | "front" }} params
+ * @param {{ clamp?: "end" | "front" }} params
  * @example
  * <script>
  *   import { truncate } from "carbon-components-svelte/actions";
  * </script>
  *
  * <h1 use:truncate>...</h1>
+ * <h1 use:truncate={{ clamp: "front" }}>...</h1>
  */
 export function truncate(node, params = {}) {
   function toggleClass(front = false) {
     node.className = `bx--text-truncate--${front ? "front" : "end"}`;
   }
 
-  toggleClass(params.direction === "front");
+  toggleClass(params.clamp === "front");
 
   return {
     update(params) {
-      toggleClass(params.direction === "front");
+      toggleClass(params.clamp === "front");
     },
   };
 }