refactor: extract common code

packages/synthetic-chain/src/lib/vat-status.js

@@ -30,9 +30,7 @@ export const dbTool = db => {
   return sql;
 };
 
-/**
- * @param {import('better-sqlite3').Database} db
- */
+/** @param {import('better-sqlite3').Database} db */
 const makeSwingstore = db => {
   const sql = dbTool(db);
 
@@ -79,27 +77,29 @@ const makeSwingstore = db => {
   });
 };
 
-/**
- * @param {string} vatName
- */
-export const getVatDetails = async vatName => {
-  const fullPath = swingstorePath.replace(/^~/, NonNullish(HOME));
-  const kStore = makeSwingstore(dbOpenAmbient(fullPath, { readonly: true }));
+const fullPath = swingstorePath.replace(/^~/, NonNullish(HOME));
+const kStore = makeSwingstore(dbOpenAmbient(fullPath, { readonly: true }));
 
-  const vatID = kStore.findVat(vatName);
+/** @param {string} vatID */
+function getVatDetailsFromID(vatID) {
   const vatInfo = kStore.lookupVat(vatID);
+  const vatName = vatInfo.options().name;
 
   const source = vatInfo.source();
   // @ts-expect-error sqlite typedefs
   const { incarnation } = vatInfo.currentSpan();
   const terminated = vatInfo.terminated();
 
   return { vatName, vatID, incarnation, ...source, terminated };
+}
+
+/** @param {string} vatName */
+export const getVatDetails = async vatName => {
+  const vatID = kStore.findVat(vatName);
+  return getVatDetailsFromID(vatID);
 };
 
-/**
- * @param {string} vatName
- */
+/** @param {string} vatName */
 export const getIncarnation = async vatName => {
   const details = await getVatDetails(vatName);
 
@@ -109,23 +109,12 @@ export const getIncarnation = async vatName => {
   return details.incarnation;
 };
 
-/** @param {string} vatName */
-export const getDetailsMatchingVats = async vatName => {
-  const fullPath = swingstorePath.replace(/^~/, NonNullish(HOME));
-
-  const db = dbOpenAmbient(fullPath, { readonly: true });
-  const kStore = makeSwingstore(db);
-
-  const vatIDs = kStore.findVats(vatName);
+/** @param {string} vatSubstring substring to search for within the vat name. */
+export const getDetailsMatchingVats = async vatSubstring => {
+  const vatIDs = kStore.findVats(vatSubstring);
   const infos = [];
   for (const vatID of vatIDs) {
-    const vatInfo = kStore.lookupVat(vatID);
-    const name = vatInfo.options().name;
-    const source = vatInfo.source();
-    // @ts-expect-error cast
-    const { incarnation } = vatInfo.currentSpan();
-    const terminated = vatInfo.terminated();
-    infos.push({ vatName: name, vatID, incarnation, ...source, terminated });
+    infos.push(getVatDetailsFromID(vatID));
   }
 
   return infos;