line_push/node_modules/vuetify/lib/components/VPagination/VPagination.js

import "../../../src/components/VPagination/VPagination.sass";
import VIcon from '../VIcon'; // Directives

import Resize from '../../directives/resize'; // Mixins

import Colorable from '../../mixins/colorable';
import Intersectable from '../../mixins/intersectable';
import Themeable from '../../mixins/themeable'; // Utilities

import mixins from '../../util/mixins';
/* @vue/component */

export default mixins(Colorable, Intersectable({
  onVisible: ['init']
}), Themeable).extend({
  name: 'v-pagination',
  directives: {
    Resize
  },
  props: {
    circle: Boolean,
    disabled: Boolean,
    length: {
      type: Number,
      default: 0,
      validator: val => val % 1 === 0
    },
    nextIcon: {
      type: String,
      default: '$next'
    },
    prevIcon: {
      type: String,
      default: '$prev'
    },
    totalVisible: [Number, String],
    value: {
      type: Number,
      default: 0
    },
    pageAriaLabel: {
      type: String,
      default: '$vuetify.pagination.ariaLabel.page'
    },
    currentPageAriaLabel: {
      type: String,
      default: '$vuetify.pagination.ariaLabel.currentPage'
    },
    previousAriaLabel: {
      type: String,
      default: '$vuetify.pagination.ariaLabel.previous'
    },
    nextAriaLabel: {
      type: String,
      default: '$vuetify.pagination.ariaLabel.next'
    },
    wrapperAriaLabel: {
      type: String,
      default: '$vuetify.pagination.ariaLabel.wrapper'
    }
  },

  data() {
    return {
      maxButtons: 0,
      selected: null
    };
  },

  computed: {
    classes() {
      return {
        'v-pagination': true,
        'v-pagination--circle': this.circle,
        'v-pagination--disabled': this.disabled,
        ...this.themeClasses
      };
    },

    items() {
      const totalVisible = parseInt(this.totalVisible, 10);
      const maxLength = Math.min(Math.max(0, totalVisible) || this.length, Math.max(0, this.maxButtons) || this.length, this.length);

      if (this.length <= maxLength) {
        return this.range(1, this.length);
      }

      const even = maxLength % 2 === 0 ? 1 : 0;
      const left = Math.floor(maxLength / 2);
      const right = this.length - left + 1 + even;

      if (this.value > left && this.value < right) {
        const start = this.value - left + 2;
        const end = this.value + left - 2 - even;
        return [1, '...', ...this.range(start, end), '...', this.length];
      } else if (this.value === left) {
        const end = this.value + left - 1 - even;
        return [...this.range(1, end), '...', this.length];
      } else if (this.value === right) {
        const start = this.value - left + 1;
        return [1, '...', ...this.range(start, this.length)];
      } else {
        return [...this.range(1, left), '...', ...this.range(right, this.length)];
      }
    }

  },
  watch: {
    value() {
      this.init();
    }

  },

  mounted() {
    this.init();
  },

  methods: {
    init() {
      this.selected = null;
      this.$nextTick(this.onResize); // TODO: Change this (f75dee3a, cbdf7caa)

      setTimeout(() => this.selected = this.value, 100);
    },

    onResize() {
      const width = this.$el && this.$el.parentElement ? this.$el.parentElement.clientWidth : window.innerWidth;
      this.maxButtons = Math.floor((width - 96) / 42);
    },

    next(e) {
      e.preventDefault();
      this.$emit('input', this.value + 1);
      this.$emit('next');
    },

    previous(e) {
      e.preventDefault();
      this.$emit('input', this.value - 1);
      this.$emit('previous');
    },

    range(from, to) {
      const range = [];
      from = from > 0 ? from : 1;

      for (let i = from; i <= to; i++) {
        range.push(i);
      }

      return range;
    },

    genIcon(h, icon, disabled, fn, label) {
      return h('li', [h('button', {
        staticClass: 'v-pagination__navigation',
        class: {
          'v-pagination__navigation--disabled': disabled
        },
        attrs: {
          type: 'button',
          'aria-label': label
        },
        on: disabled ? {} : {
          click: fn
        }
      }, [h(VIcon, [icon])])]);
    },

    genItem(h, i) {
      const color = i === this.value && (this.color || 'primary');
      const isCurrentPage = i === this.value;
      const ariaLabel = isCurrentPage ? this.currentPageAriaLabel : this.pageAriaLabel;
      return h('button', this.setBackgroundColor(color, {
        staticClass: 'v-pagination__item',
        class: {
          'v-pagination__item--active': i === this.value
        },
        attrs: {
          type: 'button',
          'aria-current': isCurrentPage,
          'aria-label': this.$vuetify.lang.t(ariaLabel, i)
        },
        on: {
          click: () => this.$emit('input', i)
        }
      }), [i.toString()]);
    },

    genItems(h) {
      return this.items.map((i, index) => {
        return h('li', {
          key: index
        }, [isNaN(Number(i)) ? h('span', {
          class: 'v-pagination__more'
        }, [i.toString()]) : this.genItem(h, i)]);
      });
    },

    genList(h, children) {
      return h('ul', {
        directives: [{
          modifiers: {
            quiet: true
          },
          name: 'resize',
          value: this.onResize
        }],
        class: this.classes
      }, children);
    }

  },

  render(h) {
    const children = [this.genIcon(h, this.$vuetify.rtl ? this.nextIcon : this.prevIcon, this.value <= 1, this.previous, this.$vuetify.lang.t(this.previousAriaLabel)), this.genItems(h), this.genIcon(h, this.$vuetify.rtl ? this.prevIcon : this.nextIcon, this.value >= this.length, this.next, this.$vuetify.lang.t(this.nextAriaLabel))];
    return h('nav', {
      attrs: {
        role: 'navigation',
        'aria-label': this.$vuetify.lang.t(this.wrapperAriaLabel)
      }
    }, [this.genList(h, children)]);
  }

});
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