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[feature request] @Watch multiple properties.

See original GitHub issue

It would be great if we could do:

  handler() {
    // Do something

Issue Analytics

  • State:closed
  • Created 5 years ago
  • Reactions:5
  • Comments:8 (3 by maintainers)

github_iconTop GitHub Comments

kaorun343commented, Jan 21, 2019



vm.$watch can receive a function whereas can’t do so.

class App extends Vue {
  @Watch('propA', watchOptionsIfNeeded)
  @Watch('propB', watchOptionsIfNeeded)
  watchHandler() {}
runxc1commented, Dec 4, 2018

So this is actually something that you can do already do in vue.js and it looks like there are a couple different ways to do it.

Below is the discussion on the exact feature request to Vue.js

It looks like the most document way is to use a function to watch more than one property. shows the following example

  function () {
    return this.a + this.b
  function (newVal, oldVal) {
    // do something

It would be nice to be able to do something like

@Watch(function () {
   return this.a + this.b
 }, "myHandler")
 myHandler(newVal, oldVal) {
   // Do something

Read more comments on GitHub >

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