追加包管理工具

package-lock.json

@@ -0,0 +1,24 @@
+{
+  "name": "vue_demo",
+  "lockfileVersion": 2,
+  "requires": true,
+  "packages": {
+    "": {
+      "dependencies": {
+        "pubsub-js": "^1.9.4"
+      }
+    },
+    "node_modules/pubsub-js": {
+      "version": "1.9.4",
+      "resolved": "https://registry.npmmirror.com/pubsub-js/-/pubsub-js-1.9.4.tgz",
+      "integrity": "sha512-hJYpaDvPH4w8ZX/0Fdf9ma1AwRgU353GfbaVfPjfJQf1KxZ2iHaHl3fAUw1qlJIR5dr4F3RzjGaWohYUEyoh7A=="
+    }
+  },
+  "dependencies": {
+    "pubsub-js": {
+      "version": "1.9.4",
+      "resolved": "https://registry.npmmirror.com/pubsub-js/-/pubsub-js-1.9.4.tgz",
+      "integrity": "sha512-hJYpaDvPH4w8ZX/0Fdf9ma1AwRgU353GfbaVfPjfJQf1KxZ2iHaHl3fAUw1qlJIR5dr4F3RzjGaWohYUEyoh7A=="
+    }
+  }
+}

package.json

@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "pubsub-js": "^1.9.4"
+  }
+}