feat: new chord editor prototype

src/lib/chord-editor/action-serializer.ts

@@ -0,0 +1,16 @@
+import { KEYMAP_CODES, type KeyInfo } from "$lib/serial/keymap-codes";
+import { get } from "svelte/store";
+
+export function canUseIdAsString(info: KeyInfo): boolean {
+  return !!info.id && /^[a-zA-Z_][a-zA-Z0-9_]*$/.test(info.id);
+}
+
+export function actionToValue(action: number | KeyInfo) {
+  const info =
+    typeof action === "number" ? get(KEYMAP_CODES).get(action) : action;
+  if (info && info.id?.length === 1)
+    return /^[<>\\\s]$/.test(info.id) ? `\\${info.id}` : info.id;
+  if (!info || !canUseIdAsString(info))
+    return `<0x${(info?.code ?? action).toString(16).padStart(2, "0")}>`;
+  return `<${info.id}>`;
+}