# How To Build a Reusable Pagination Component  (ok)

```
$npx @vue/cli create --default vue-pagination-example
$cd vue-pagination-example
```

![](/files/dNorFxQx5p0ndIdTwHTR)

C:\xampp\htdocs\vue-pagination-example\src\components\Pagination-test.vue

```
<template>
  <ul class="pagination">
    <li class="pagination-item">
      <button
        type="button"
        @click="onClickFirstPage"
        :disabled="isInFirstPage"
      >
        First
      </button>
    </li>

    <li class="pagination-item">
      <button
        type="button"
        @click="onClickPreviousPage"
        :disabled="isInFirstPage"
      >
        Previous
      </button>
    </li>

    <!-- Visible Buttons Start -->

    <li
      v-for="page in pages"
      :key="page.name"
      class="pagination-item"
    >
      <button
        type="button"
        @click="onClickPage(page.name)"
        :disabled="page.isDisabled"
        :class="{ active: isPageActive(page.name) }"
      >
        {{ page.name }}
      </button>
    </li>

    <!-- Visible Buttons End -->

    <li class="pagination-item">
      <button
        type="button"
        @click="onClickNextPage"
        :disabled="isInLastPage"
      >
        Next
      </button>
    </li>

    <li class="pagination-item">
      <button
        type="button"
        @click="onClickLastPage"
        :disabled="isInLastPage"
      >
        Last
      </button>
    </li>
  </ul>
</template>
<script>
export default {
  props: {
    maxVisibleButtons: {
      type: Number,
      required: false,
      default: 3
    },    
    totalPages: {
      type: Number,
      required: true
    },
    perPage: {
      type: Number,
      required: true
    },
    currentPage: {
      type: Number,
      required: true
    }
  },
  computed: {
    startPage() {
      // When on the first page
      if (this.currentPage === 1) {
        return 1;
      }
      // When on the last page
      if (this.currentPage === this.totalPages) {
        return this.totalPages - this.maxVisibleButtons;
      }
      // When inbetween
      return this.currentPage - 1;
    },
    pages() {
      const range = [];
      for (
        let i = this.startPage;
        i <= Math.min(this.startPage + this.maxVisibleButtons - 1, this.totalPages);
        i++
      ) {
        range.push({
          name: i,
          isDisabled: i === this.currentPage
        });
      }
      return range;
    },
    isInFirstPage() {
      return this.currentPage === 1;
    },
    isInLastPage() {
      return this.currentPage === this.totalPages;
    },
  },
  methods: {
    onClickFirstPage() {
      this.$emit('pagechanged', 1);
    },
    isPageActive(page) {
      return this.currentPage === page;
    },
    onClickPreviousPage() {
      this.$emit('pagechanged', this.currentPage - 1);
    },
    onClickPage(page) {
      this.$emit('pagechanged', page);
    },
    onClickNextPage() {
      this.$emit('pagechanged', this.currentPage + 1);
    },
    onClickLastPage() {
      this.$emit('pagechanged', this.totalPages);
    }
  }
};
</script>
<style>
.pagination {
  list-style-type: none;
}

.pagination-item {
  display: inline-block;
}

.active {
  background-color: #4AAE9B;
  color: #ffffff;
}
</style>
```

C:\xampp\htdocs\vue-pagination-example\src\App.vue

```
<template>
  <div id="app">
    <pagination
      :totalPages="10"
      :perPage="10"
      :currentPage="currentPage"
      @pagechanged="onPageChange"
    />
  </div>
</template>
<script>
import Pagination from './components/Pagination-test.vue'
export default {
  name: 'App',
  components: {
    Pagination
  },
  data () {
    return {
      currentPage: 1,
    };
  },
  methods: {
    onPageChange(page) {
      console.log(page)
      this.currentPage = page;
    }
  }
}
</script>
```


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