fix: convert swing-store-simple to "type": "module"

Author: michaelfig

packages/solo/package.json

@@ -6,7 +6,7 @@
     "js": "mjs"
   },
   "bin": {
-    "ag-solo": "bin/ag-solo"
+    "ag-solo": "src/entrypoint.cjs"
   },
   "main": "src/main.js",
   "repository": "https://github.com/Agoric/agoric-sdk",

packages/swing-store-simple/package.json

@@ -5,6 +5,7 @@
   "parsers": {
     "js": "mjs"
   },
+  "type": "module",
   "main": "simpleSwingStore.js",
   "repository": "https://github.com/Agoric/agoric-sdk",
   "author": "Agoric",
@@ -20,8 +21,7 @@
     "n-readlines": "^1.0.0"
   },
   "devDependencies": {
-    "ava": "^3.12.1",
-    "esm": "^3.2.25"
+    "ava": "^3.12.1"
   },
   "publishConfig": {
     "access": "public"

packages/swing-store-simple/test/test-state.js

@@ -7,7 +7,7 @@ import {
   openSwingStore,
   getAllState,
   isSwingStore,
-} from '../simpleSwingStore';
+} from '../simpleSwingStore.js';
 
 function testStorage(t, storage) {
   t.falsy(storage.has('missing'));