element-plus/es/components/pagination/src/pagination.mjs.map

A Component Library for Vue 3

{"version":3,"file":"pagination.mjs","sources":["../../../../../../packages/components/pagination/src/pagination.ts"],"sourcesContent":["import {\n  h,\n  ref,\n  provide,\n  computed,\n  defineComponent,\n  getCurrentInstance,\n  watch,\n} from 'vue'\nimport { useLocaleInject } from '@element-plus/hooks'\nimport { debugWarn } from '@element-plus/utils/error'\nimport { buildProps, definePropType, mutable } from '@element-plus/utils/props'\nimport { elPaginationKey } from '@element-plus/tokens'\n\nimport Prev from './components/prev.vue'\nimport Next from './components/next.vue'\nimport Sizes from './components/sizes.vue'\nimport Jumper from './components/jumper.vue'\nimport Total from './components/total.vue'\nimport Pager from './components/pager.vue'\n\nimport type { VNode, ExtractPropTypes } from 'vue'\n\n/**\n * It it user's responsibility to guarantee that the value of props.total... is number\n * (same as pageSize, defaultPageSize, currentPage, defaultCurrentPage, pageCount)\n * Otherwise we can reasonable infer that the corresponding field is absent\n */\nconst isAbsent = (v: unknown): v is undefined => typeof v !== 'number'\n\ntype LayoutKey =\n  | 'prev'\n  | 'pager'\n  | 'next'\n  | 'jumper'\n  | '->'\n  | 'total'\n  | 'sizes'\n  | 'slot'\n\nexport const paginationProps = buildProps({\n  total: Number,\n  pageSize: Number,\n  defaultPageSize: Number,\n  currentPage: Number,\n  defaultCurrentPage: Number,\n  pageCount: Number,\n  pagerCount: {\n    type: Number,\n    validator: (value: unknown) => {\n      return (\n        typeof value === 'number' &&\n        (value | 0) === value &&\n        value > 4 &&\n        value < 22 &&\n        value % 2 === 1\n      )\n    },\n    default: 7,\n  },\n  layout: {\n    type: String,\n    default: (\n      ['prev', 'pager', 'next', 'jumper', '->', 'total'] as LayoutKey[]\n    ).join(', '),\n  },\n  pageSizes: {\n    type: definePropType<number[]>(Array),\n    default: () => mutable([10, 20, 30, 40, 50, 100] as const),\n  },\n  popperClass: {\n    type: String,\n    default: '',\n  },\n  prevText: {\n    type: String,\n    default: '',\n  },\n  nextText: {\n    type: String,\n    default: '',\n  },\n  small: Boolean,\n  background: Boolean,\n  disabled: Boolean,\n  hideOnSinglePage: Boolean,\n} as const)\nexport type PaginationProps = ExtractPropTypes<typeof paginationProps>\n\nexport const paginationEmits = {\n  'update:current-page': (val: number) => typeof val === 'number',\n  'update:page-size': (val: number) => typeof val === 'number',\n  'size-change': (val: number) => typeof val === 'number',\n  'current-change': (val: number) => typeof val === 'number',\n  'prev-click': (val: number) => typeof val === 'number',\n  'next-click': (val: number) => typeof val === 'number',\n}\nexport type PaginationEmits = typeof paginationEmits\n\nconst componentName = 'ElPagination'\nexport default defineComponent({\n  name: componentName,\n\n  props: paginationProps,\n  emits: paginationEmits,\n\n  setup(props, { emit, slots }) {\n    const { t } = useLocaleInject()\n    const vnodeProps = getCurrentInstance()!.vnode.props || {}\n    // we can find @xxx=\"xxx\" props on `vnodeProps` to check if user bind corresponding events\n    const hasCurrentPageListener =\n      'onUpdate:currentPage' in vnodeProps ||\n      'onUpdate:current-page' in vnodeProps ||\n      'onCurrentChange' in vnodeProps\n    const hasPageSizeListener =\n      'onUpdate:pageSize' in vnodeProps ||\n      'onUpdate:page-size' in vnodeProps ||\n      'onSizeChange' in vnodeProps\n    const assertValidUsage = computed(() => {\n      // Users have to set either one, otherwise count of pages cannot be determined\n      if (isAbsent(props.total) && isAbsent(props.pageCount)) return false\n      // <el-pagination ...otherProps :current-page=\"xxx\" /> without corresponding listener is forbidden now\n      // Users have to use two way binding of `currentPage`\n      // If users just want to provide a default value, `defaultCurrentPage` is here for you\n      if (!isAbsent(props.currentPage) && !hasCurrentPageListener) return false\n      // When you want to change sizes, things get more complex, detailed below\n      // Basically the most important value we need is page count\n      // either directly from props.pageCount\n      // or calculated from props.total\n      // we will take props.pageCount precedence over props.total\n      if (props.layout.includes('sizes')) {\n        if (!isAbsent(props.pageCount)) {\n          // if props.pageCount is assign by user, then user have to watch pageSize change\n          // and recalculate pageCount\n          if (!hasPageSizeListener) return false\n        } else if (!isAbsent(props.total)) {\n          // Otherwise, we will see if user have props.pageSize defined\n          // If so, meaning user want to have pageSize controlled himself/herself from component\n          // Thus page size listener is required\n          // users are account for page size change\n          if (!isAbsent(props.pageSize)) {\n            if (!hasPageSizeListener) {\n              return false\n            }\n          } else {\n            // (else block just for explaination)\n            // else page size is controlled by el-pagination internally\n          }\n        }\n      }\n      return true\n    })\n\n    const innerPageSize = ref(\n      isAbsent(props.defaultPageSize) ? 10 : props.defaultPageSize\n    )\n    const innerCurrentPage = ref(\n      isAbsent(props.defaultCurrentPage) ? 1 : props.defaultCurrentPage\n    )\n\n    const pageSizeBridge = computed({\n      get() {\n        return isAbsent(props.pageSize) ? innerPageSize.value : props.pageSize\n      },\n      set(v: number) {\n        if (isAbsent(props.pageSize)) {\n          innerPageSize.value = v\n        }\n        if (hasPageSizeListener) {\n          emit('update:page-size', v)\n          emit('size-change', v)\n        }\n      },\n    })\n\n    const pageCountBridge = computed<number>(() => {\n      let pageCount = 0\n      if (!isAbsent(props.pageCount)) {\n        pageCount = props.pageCount\n      } else if (!isAbsent(props.total)) {\n        pageCount = Math.max(1, Math.ceil(props.total / pageSizeBridge.value))\n      }\n      return pageCount\n    })\n\n    const currentPageBridge = computed<number>({\n      get() {\n        return isAbsent(props.currentPage)\n          ? innerCurrentPage.value\n          : props.currentPage\n      },\n      set(v) {\n        let newCurrentPage = v\n        if (v < 1) {\n          newCurrentPage = 1\n        } else if (v > pageCountBridge.value) {\n          newCurrentPage = pageCountBridge.value\n        }\n        if (isAbsent(props.currentPage)) {\n          innerCurrentPage.value = newCurrentPage\n        }\n        if (hasCurrentPageListener) {\n          emit('update:current-page', newCurrentPage)\n          emit('current-change', newCurrentPage)\n        }\n      },\n    })\n\n    watch(pageCountBridge, (val) => {\n      if (currentPageBridge.value > val) currentPageBridge.value = val\n    })\n\n    function handleCurrentChange(val: number) {\n      currentPageBridge.value = val\n    }\n\n    function handleSizeChange(val: number) {\n      pageSizeBridge.value = val\n      const newPageCount = pageCountBridge.value\n      if (currentPageBridge.value > newPageCount) {\n        currentPageBridge.value = newPageCount\n      }\n    }\n\n    function prev() {\n      if (props.disabled) return\n      currentPageBridge.value -= 1\n      emit('prev-click', currentPageBridge.value)\n    }\n\n    function next() {\n      if (props.disabled) return\n      currentPageBridge.value += 1\n      emit('next-click', currentPageBridge.value)\n    }\n\n    provide(elPaginationKey, {\n      pageCount: pageCountBridge,\n      disabled: computed(() => props.disabled),\n      currentPage: currentPageBridge,\n      changeEvent: handleCurrentChange,\n      handleSizeChange,\n    })\n\n    return () => {\n      if (!assertValidUsage.value) {\n        debugWarn(componentName, t('el.pagination.deprecationWarning'))\n        return null\n      }\n      if (!props.layout) return null\n      if (props.hideOnSinglePage && pageCountBridge.value <= 1) return null\n      const rootChildren: Array<VNode | VNode[] | null> = []\n      const rightWrapperChildren: Array<VNode | VNode[] | null> = []\n      const rightWrapperRoot = h(\n        'div',\n        { class: 'el-pagination__rightwrapper' },\n        rightWrapperChildren\n      )\n      const TEMPLATE_MAP: Record<\n        Exclude<LayoutKey, '->'>,\n        VNode | VNode[] | null\n      > = {\n        prev: h(Prev, {\n          disabled: props.disabled,\n          currentPage: currentPageBridge.value,\n          prevText: props.prevText,\n          onClick: prev,\n        }),\n        jumper: h(Jumper),\n        pager: h(Pager, {\n          currentPage: currentPageBridge.value,\n          pageCount: pageCountBridge.value,\n          pagerCount: props.pagerCount,\n          onChange: handleCurrentChange,\n          disabled: props.disabled,\n        }),\n        next: h(Next, {\n          disabled: props.disabled,\n          currentPage: currentPageBridge.value,\n          pageCount: pageCountBridge.value,\n          nextText: props.nextText,\n          onClick: next,\n        }),\n        sizes: h(Sizes, {\n          pageSize: pageSizeBridge.value,\n          pageSizes: props.pageSizes,\n          popperClass: props.popperClass,\n          disabled: props.disabled,\n        }),\n        slot: slots?.default?.() ?? null,\n        total: h(Total, { total: isAbsent(props.total) ? 0 : props.total }),\n      }\n\n      const components = props.layout\n        .split(',')\n        .map((item: string) => item.trim()) as LayoutKey[]\n\n      let haveRightWrapper = false\n\n      components.forEach((c) => {\n        if (c === '->') {\n          haveRightWrapper = true\n          return\n        }\n        if (!haveRightWrapper) {\n          rootChildren.push(TEMPLATE_MAP[c])\n        } else {\n          rightWrapperChildren.push(TEMPLATE_MAP[c])\n        }\n      })\n\n      if (haveRightWrapper && rightWrapperChildren.length > 0) {\n        rootChildren.unshift(rightWrapperRoot)\n      }\n\n      return h(\n        'div',\n        {\n          role: 'pagination',\n          'aria-label': 'pagination',\n          class: [\n            'el-pagination',\n            {\n              'is-background': props.background,\n              'el-pagination--small': props.small,\n            },\n          ],\n        },\n        rootChildren\n      )\n    }\n  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