Initial implementation

node_modules/vue-demi/lib/index.cjs

@@ -0,0 +1,29 @@
+var Vue = require('vue')
+
+Object.keys(Vue).forEach(function(key) {
+  exports[key] = Vue[key]
+})
+
+exports.set = function(target, key, val) {
+  if (Array.isArray(target)) {
+    target.length = Math.max(target.length, key)
+    target.splice(key, 1, val)
+    return val
+  }
+  target[key] = val
+  return val
+}
+
+exports.del = function(target, key) {
+  if (Array.isArray(target)) {
+    target.splice(key, 1)
+    return
+  }
+  delete target[key]
+}
+
+exports.Vue = Vue
+exports.Vue2 = undefined
+exports.isVue2 = false
+exports.isVue3 = true
+exports.install = function(){}