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Njelajah 10 Vue.js Penting Composables kanggo Proyek Panjenengan

Ing project Vue.js, composables iku fungsi digunakake kanggo logika lan negara maneh antarane komponen beda. Ing ngisor iki sawetara Vue.js populer composables sing bisa digunakake ing proyek sampeyan:

useLocalStorage lan useSessionStorage

Iki composables mbantu sampeyan nyimpen lan ngatur data ing lokal storage utawa session storage browser.

<template>  
  <div>  
    <p>Last visited: {{ lastVisited }}</p>  
  </div>  
</template>  
  
<script>  
import { useLocalStorage } from '@vueuse/core';  
  
export default {  
  setup() {  
    const lastVisited = useLocalStorage('last_visited', new Date());  
  
    return {  
      lastVisited,  
    };  
  },  
};  
</script>

useDebounce lan useThrottle

Iki composables ngidini sampeyan ngetrapake debounce utawa throttle menyang fungsi penanganan acara, mbantu ngontrol frekuensi eksekusi tumindak.

<template>  
  <div>  
    <input v-model="searchQuery" @input="handleSearch" />  
    <p>Search results: {{ searchResults }}</p>  
  </div>  
</template>  
  
<script>  
import { ref } from 'vue';  
import { useDebounce } from '@vueuse/core';  
  
export default {  
  setup() {  
    const searchQuery = ref('');  
    const searchResults = ref([]);  
  
    const handleSearch = useDebounce(() => {  
      // Perform search based on searchQuery  
      // Update searchResults  
    }, 300);  
  
    return {  
      searchQuery,  
      searchResults,  
      handleSearch,  
    };  
  },  
};  
</script>

useMediaQueries

Iki composable mbantu sampeyan nglacak pitakon media kanggo nindakake tumindak responsif adhedhasar ukuran layar.

<template>  
  <div>  
    <p>Current screen size: {{ screenSize }}</p>  
  </div>  
</template>  
  
<script>  
import { useMediaQueries } from '@vueuse/core';  
  
export default {  
  setup() {  
    const { screenSize } = useMediaQueries({  
      mobile: 'screen and(max-width: 640px)',  
      tablet: 'screen and(max-width: 1024px)',  
      desktop: 'screen and(min-width: 1025px)',  
    });  
  
    return {  
      screenSize,  
    };  
  },  
};  
</script>

useAsync

Iki composable mbantu sampeyan ngatur tugas sing ora sinkron lan ngawasi statuse(tunggu, sukses, kesalahan).

<template>  
  <div>  
    <button @click="fetchData">Fetch Data</button>  
    <p v-if="status === 'pending'">Loading...</p>  
    <p v-if="status === 'success'">Data loaded: {{ data }}</p>  
    <p v-if="status === 'error'">Error loading data.</p>  
  </div>  
</template>  
  
<script>  
import { ref } from 'vue';  
import { useAsync } from '@vueuse/core';  
  
export default {  
  setup() {  
    const fetchData = async() => {  
      // Simulate fetching data  
      const response = await fetch('https://api.example.com/data');  
      const data = await response.json();  
      return data;  
    };  
  
    const { execute, value: data, status } = useAsync(fetchData);  
  
    return {  
      fetchData: execute,  
      data,  
      status,  
    };  
  },  
};  
</script>

useEventListener

Iki composable mbantu sampeyan nglacak acara ing unsur DOM lan nindakake tumindak sing cocog.

<template>  
  <div>  
    <p>Mouse position: {{ mouseX }}, {{ mouseY }}</p>  
  </div>  
</template>  
  
<script>  
import { ref } from 'vue';  
import { useEventListener } from '@vueuse/core';  
  
export default {  
  setup() {  
    const mouseX = ref(0);  
    const mouseY = ref(0);  
  
    useEventListener('mousemove',(event) => {  
      mouseX.value = event.clientX;  
      mouseY.value = event.clientY;  
    });  
  
    return {  
      mouseX,  
      mouseY,  
    };  
  },  
};  
</script>

useRouter

Iki composable mbantu sampeyan ngakses router informasi lan parameter pitakon URL ing Vue Router aplikasi.

<template>  
  <div>  
    <p>Current route: {{ currentRoute }}</p>  
  </div>  
</template>  
  
<script>  
import { useRoute } from 'vue-router';  
  
export default {  
  setup() {  
    const route = useRoute();  
    const currentRoute = route.fullPath;  
  
    return {  
      currentRoute,  
    };  
  },  
};  
</script>

usePagination

Iki composable mbantu sampeyan ngatur tampilan data paginated lan tumindak navigasi.

<template>  
  <div>  
    <ul>  
      <li v-for="item in currentPageData":key="item.id">{{ item.name }}</li>  
    </ul>  
    <button @click="previousPage":disabled="currentPage === 1">Previous</button>  
    <button @click="nextPage":disabled="currentPage === totalPages">Next</button>  
  </div>  
</template>  
  
<script>  
import { ref, computed } from 'vue';  
import { usePagination } from '@vueuse/core';  
  
export default {  
  setup() {  
    const data = ref([...]); // Paginated data  
    const itemsPerPage = 10;  
    const currentPage = ref(1);  
  
    const { currentPageData, nextPage, previousPage, totalPages } = usePagination(data, itemsPerPage, currentPage);  
  
    return {  
      currentPageData,  
      nextPage,  
      previousPage,  
      currentPage,  
      totalPages,  
    };  
  },  
};  
</script>

useIntersectionObserver

Iki composable mbantu sampeyan nglacak persimpangan unsur karo viewport, migunani kanggo nindakake tumindak nalika unsur katon utawa ilang.

<template>  
  <div>  
    <div ref="observedElement">Observed Element</div>  
    <p v-if="isIntersecting">Element is intersecting!</p>  
  </div>  
</template>  
  
<script>  
import { ref } from 'vue';  
import { useIntersectionObserver } from '@vueuse/core';  
  
export default {  
  setup() {  
    const observedElement = ref(null);  
    const { isIntersecting } = useIntersectionObserver(observedElement, {});  
  
    return {  
      observedElement,  
      isIntersecting,  
    };  
  },  
};  
</script>

useClipboard

Iki composable mbantu sampeyan nyalin data menyang clipboard lan ngatur status nyalin.

<template>  
  <div>  
    <p>Text to copy: {{ textToCopy }}</p>  
    <button @click="copyText">Copy Text</button>  
    <p v-if="copied">Copied to clipboard!</p>  
  </div>  
</template>  
  
<script>  
import { ref } from 'vue';  
import { useClipboard } from '@vueuse/core';  
  
export default {  
  setup() {  
    const textToCopy = ref('Hello, Vue.js!');  
    const { copy, copied } = useClipboard();  
  
    const copyText =() => {  
      copy(textToCopy.value);  
    };  
  
    return {  
      textToCopy,  
      copyText,  
      copied,  
    };  
  },  
};  
</script>

useRouteQuery

Iki composable mbantu sampeyan ngatur status pitakon URL lan nganyari isi kaca adhedhasar pitakon URL.

<template>  
  <div>  
    <input v-model="searchQuery" />  
    <button @click="updateQuery">Search</button>  
    <p>Search results: {{ searchResults }}</p>  
  </div>  
</template>  
  
<script>  
import { ref } from 'vue';  
import { useRouter, useRouteQuery } from '@vueuse/core';  
  
export default {  
  setup() {  
    const router = useRouter();  
    const searchQuery = ref('');  
    const { search } = useRouteQuery();  
    const searchResults = ref([]);  
  
    const updateQuery =() => {  
      router.push({ query: { search: searchQuery.value } });  
      // Perform search based on searchQuery and update searchResults  
    };  
  
    return {  
      searchQuery,  
      searchResults,  
      updateQuery,  
    };  
  },  
};  
</script>

Elinga yen kanggo nggunakake iki composables, sampeyan kudu nginstal @vueuse/core perpustakaan nggunakake npm utawa benang. Iki composables mbantu sampeyan nggunakake maneh logika umum lan negara ing proyek Vue.js, ngoptimalake proses pangembangan lan manajemen kode.