Last active
July 10, 2025 07:31
-
-
Save Kcko/c3e7632f441970d46aa37e5d63137b35 to your computer and use it in GitHub Desktop.
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!-- | |
https://www.youtube.com/watch?v=0L6GXC5jl1I | |
--> | |
<script setup> | |
import { ref, computed, toValue } from 'vue' | |
function useName(name) { | |
const changedName = computed(() => toValue(name).toUpperCase()) | |
return { | |
changedName | |
} | |
} | |
const msg = ref('Hello World!') | |
const { changedName } = useName(() => msg.value) // getter: nebo props () => props.neco | |
</script> | |
<template> | |
<h1>{{ msg }}</h1> | |
<input v-model="msg" /> | |
{{ changedName }} | |
</template> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<template> | |
<TheBase :state="state" /> | |
</template> | |
<script setup> | |
import { ref } from 'vue' | |
import TheBase from './TheBase.vue' | |
const state = ref(111) | |
setTimeout(() => { | |
state.value = 222 | |
}, 2000) | |
</script> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<script setup> | |
import { computed } from 'vue' | |
import useTest from './useTest.js' | |
const props = defineProps({ | |
state: Number | |
}) | |
// POZOR | |
// bud predam getter a pak musim mit v composablu watcher viz nic, nebo nepotrebuju getter | |
// a misto nej predam toRef nebo computed | |
// useTest(computed(() => props.state)) | |
// useTest(toRef(props, 'state')) | |
// Nebo to mit v composable pres computed a muzu tam posilat getter nebo ref a pak pres toValue, viz 2 priklad | |
const { state: state2 } = useTest(() => props.state) | |
</script> | |
<template> | |
<div> | |
TheA -> {{ state }} and from compposable | |
{{ state2 }} | |
</div> | |
</template> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<template> | |
<div> | |
{{ state }} | |
<hr> | |
<TheA :state="state" /> | |
</div> | |
</template> | |
<script setup> | |
import { toRefs, ref, computed } from 'vue' | |
import TheA from './TheA.vue' | |
const props = defineProps({ | |
state: { | |
type: Number | |
} | |
}) | |
</script> |
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
import { ref, watchEffect } from 'vue' | |
export default function useTest(getState) { | |
const reactiveState = ref(getState()) | |
watchEffect(() => { | |
reactiveState.value = getState() | |
}) | |
return { | |
state: reactiveState | |
} | |
} |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment