js editor + fix js runner

src/rules/ScriptEditor.vue

@@ -29,12 +29,29 @@ const loadScriptDefinitions = async () => {
   }
 };
 
+const props = defineProps<{ ledgerRefs?: string[] }>();
+
+let ledgersLib: monaco.IDisposable | undefined;
+
+const updateLedgerRefs = (refs: readonly string[]) => {
+  ledgersLib?.dispose();
+  const members = refs
+      .filter(ref => ref && ref !== 'system')
+      .map(ref => `    readonly ${JSON.stringify(ref)}: Ledger;`)
+      .join('\n');
+  ledgersLib = monaco.typescript.javascriptDefaults.addExtraLib(
+      `declare interface Ledgers {\n${members}\n}\n`,
+      'ts:rule-runner.ledgers.d.ts'
+  );
+};
+
 const model = defineModel<string>({default: ''});
 const container = ref<HTMLElement>();
 let editor: monaco.editor.IStandaloneCodeEditor | undefined;
 
 onMounted(async () => {
   await loadScriptDefinitions();
+  updateLedgerRefs(props.ledgerRefs ?? []);
 
   if (!container.value) {
     return;
@@ -66,7 +83,12 @@ watch(model, value => {
   }
 });
 
-onBeforeUnmount(() => editor?.dispose());
+watch(() => props.ledgerRefs, refs => updateLedgerRefs(refs ?? []), {deep: true});
+
+onBeforeUnmount(() => {
+  editor?.dispose();
+  ledgersLib?.dispose();
+});
 </script>
 
 <template>