Recently, an error message has been popping up in Vue 3 regarding the use of ::v-deep.
The warning states that using
::v-deepas a combinator is deprecated. Instead, it recommends using::v-deep(<inner-selector>)
Here is an example of the CSS causing the issue:
.parent ::v-deep .child {
...
}
Can someone explain how to correctly implement the recommended option ::v-deep(<inner-selector>)?
Just a quick heads up: the new syntax is:
.container :deep(.element) {
(CSS styles)
}
The relevant RFC can be found at this link:
https://github.com/vuejs/rfcs/blob/master/active-rfcs/0023-scoped-styles-changes.md
It is suggested to update it to:
.parent ::v-deep(.child) {
Update:
In later versions of Vue 3, the warning message referenced in the original question has been modified to recommend using :deep() instead. This function is an alias for ::v-deep() and you can find more information about it in the documentation here:
This same issue has been identified in Vue 2.7
[@vue/compiler-sfc] ::v-deep usage as a combinator is now deprecated. Instead, use :deep(<inner-selector>).
In my opinion, neither of the proposed solutions effectively address this warning.
To resolve this, I made the following adjustment:
:deep() {
.class {}
}
However, it also encountered errors with npm dependencies.
Vue 3 is the latest version of Vue.js.
Check out this link for more information.
div:deep(.v-img) {
overflow: visible;
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