first implementation

frontend/node_modules/vue-demi/scripts/switch-cli.js

@@ -0,0 +1,18 @@
+const { switchVersion } = require('./utils')
+
+const version = process.argv[2]
+const vueEntry = process.argv[3] || 'vue'
+
+if (version === '2.7') {
+  switchVersion(2.7, vueEntry)
+  console.log(`[vue-demi] Switched for Vue 2.7 (entry: "${vueEntry}")`)
+} else if (version === '2') {
+  switchVersion(2, vueEntry)
+  console.log(`[vue-demi] Switched for Vue 2 (entry: "${vueEntry}")`)
+} else if (version === '3') {
+  switchVersion(3, vueEntry)
+  console.log(`[vue-demi] Switched for Vue 3 (entry: "${vueEntry}")`)
+} else {
+  console.warn(`[vue-demi] expecting version "2" or "2.7" or "3" but got "${version}"`)
+  process.exit(1)
+}