At the recent Vue.js London conference, Vue creator Evan You announced that a pre alpha version 3 of the framework would now be open to the public. While it's incomplete, you can now begin to trial some of the new features including the Composition API.
While Vue 2 does not support ES2015 collection types, Vue 3 now supports Map, Set, WeakMap and WeakSet. This gives developers the flexibility to make different kinds of data structures reactive, allowing simpler and neater code.
After working with Vuex for several years, the author explains the two methods he's used for testing his application's store and which one he's found to be more effective in a growing enterprise application.
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