@dialpad/dialtone/dist/vue2/components/combobox/combobox.vue.cjs.map

Dialpad's Dialtone design system monorepo

{"version":3,"file":"combobox.vue.cjs","sources":["../../../components/combobox/combobox.vue"],"sourcesContent":["<!-- eslint-disable vuejs-accessibility/no-static-element-interactions -->\n<template>\n  <div\n    @keydown.esc.stop=\"onKeyValidation($event, 'onEscapeKey')\"\n    @keydown.enter.exact=\"onKeyValidation($event, 'onEnterKey')\"\n    @keydown.up.stop.prevent=\"onKeyValidation($event, 'onUpKey')\"\n    @keydown.down.stop.prevent=\"onKeyValidation($event, 'onDownKey')\"\n    @keydown.home.stop.prevent=\"onKeyValidation($event, 'onHomeKey')\"\n    @keydown.end.stop.prevent=\"onKeyValidation($event, 'onEndKey')\"\n  >\n    <div data-qa=\"dt-combobox-input-wrapper\">\n      <!-- @slot Slot for the combobox input element -->\n      <slot\n        name=\"input\"\n        :input-props=\"inputProps\"\n      />\n    </div>\n\n    <div\n      v-if=\"showList\"\n      ref=\"listWrapper\"\n      data-qa=\"dt-combobox-list-wrapper\"\n      @mouseleave=\"clearHighlightIndex\"\n      @focusout=\"clearHighlightIndex\"\n      @mousemove.capture=\"onMouseHighlight\"\n    >\n      <combobox-loading-list\n        v-if=\"loading && !listRenderedOutside\"\n        v-bind=\"listProps\"\n      />\n      <combobox-empty-list\n        v-else-if=\"emptyList && (emptyStateMessage || $slots.emptyListItem) && !listRenderedOutside\"\n        v-bind=\"listProps\"\n        :message=\"emptyStateMessage\"\n        :item-class=\"emptyStateClass\"\n      >\n        <slot name=\"emptyListItem\" />\n      </combobox-empty-list>\n      <!-- @slot Slot for the combobox list element -->\n      <slot\n        v-else\n        name=\"list\"\n        :list-props=\"listProps\"\n        :opened=\"onOpen\"\n        :clear-highlight-index=\"clearHighlightIndex\"\n      />\n    </div>\n  </div>\n</template>\n\n<script>\nimport KeyboardNavigation from '@/common/mixins/keyboard_list_navigation';\nimport { getUniqueString } from '@/common/utils';\nimport ComboboxLoadingList from './combobox_loading-list.vue';\nimport ComboboxEmptyList from './combobox_empty-list.vue';\nimport { LABEL_SIZES } from '@/components/combobox/combobox_constants';\n\n/**\n * A combobox is a semantic component that displays an input element combined with a listbox,\n * which enables the user to select items from the list.\n * @see https://dialtone.dialpad.com/components/combobox.html\n */\nexport default {\n  name: 'DtCombobox',\n\n  components: {\n    ComboboxLoadingList,\n    ComboboxEmptyList,\n  },\n\n  mixins: [\n    KeyboardNavigation({\n      indexKey: 'highlightIndex',\n      idKey: 'highlightId',\n      listElementKey: 'getListElement',\n      afterHighlightMethod: 'afterHighlight',\n      beginningOfListMethod: 'beginningOfListMethod',\n      endOfListMethod: 'endOfListMethod',\n      activeItemKey: 'activeItemEl',\n    }),\n  ],\n\n  props: {\n    /**\n     * String to use for the input label.\n     */\n    label: {\n      type: String,\n      required: true,\n    },\n\n    /**\n     * Determines visibility of input label.\n     * @values true, false\n     */\n    labelVisible: {\n      type: Boolean,\n      default: true,\n    },\n\n    /**\n     * Size of the input, one of `xs`, `sm`, `md`, `lg`, `xl`\n     * @values null, xs, sm, md, lg, xl\n     */\n    size: {\n      type: String,\n      default: null,\n      validator: (t) => Object.values(LABEL_SIZES).includes(t),\n    },\n\n    /**\n     * Description for the input\n     */\n    description: {\n      type: String,\n      default: '',\n    },\n\n    /**\n     * Sets an ID on the list element of the component. Used by several aria attributes\n     * as well as when deriving the IDs for each item.\n     */\n    listId: {\n      type: String,\n      default () { return getUniqueString(); },\n    },\n\n    /**\n     * A method that will be called when the selection goes past the beginning of the list.\n     */\n    onBeginningOfList: {\n      type: Function,\n      default: null,\n    },\n\n    /**\n     * A method that will be called when the selection goes past the end of the list.\n     */\n    onEndOfList: {\n      type: Function,\n      default: null,\n    },\n\n    /**\n     * Determines when to show the list element and also controls the aria-expanded attribute.\n     * @values true, false\n     */\n    showList: {\n      type: Boolean,\n      default: false,\n    },\n\n    /**\n     * If the list is rendered outside the component, like when using popover as the list wrapper.\n     * @values true, false\n     */\n    listRenderedOutside: {\n      type: Boolean,\n      default: false,\n    },\n\n    /**\n     * Determines when to show the skeletons and also controls aria-busy attribute.\n     * @values true, false\n     */\n    loading: {\n      type: Boolean,\n      default: false,\n    },\n\n    /**\n     * Sets the list to an empty state, and displays the message from prop `emptyStateMessage`.\n     * @values true, false\n     */\n    emptyList: {\n      type: Boolean,\n      default: false,\n    },\n\n    /**\n     * Message to show when the list is empty\n     */\n    emptyStateMessage: {\n      type: String,\n      default: '',\n    },\n\n    /**\n     * Additional class name for the empty list element.\n     * Can accept all of String, Object, and Array, i.e. has the\n     * same api as Vue's built-in handling of the class attribute.\n     */\n    emptyStateClass: {\n      type: [String, Object, Array],\n      default: '',\n    },\n\n    /**\n     * Programmatically click on the active list item element when a selection\n     * comes from keyboard navigation, i.e. pressing the \"Enter\" key.\n     * @values true, false\n     */\n    clickOnSelect: {\n      type: Boolean,\n      default: false,\n    },\n  },\n\n  emits: [\n    /**\n     * Event fired when item selected\n     *\n     * @event select\n     * @type {Number}\n     */\n    'select',\n\n    /**\n     * Event fired when pressing escape\n     *\n     * @event escape\n     */\n    'escape',\n\n    /**\n     * Event fired when the highlight changes\n     *\n     * @event highlight\n     * @type {Number}\n     */\n    'highlight',\n\n    /**\n     * Event fired when list is shown or hidden\n     *\n     * @event opened\n     * @type {Boolean}\n     */\n    'opened',\n  ],\n\n  data () {\n    return {\n      // If the list is rendered at the root, rather than as a child\n      // of this component, this is the ref to that dom element. Set\n      // by the onOpen method.\n      outsideRenderedListRef: null,\n    };\n  },\n\n  computed: {\n    inputProps () {\n      return {\n        label: this.label,\n        labelVisible: this.labelVisible,\n        size: this.size,\n        description: this.description,\n        role: 'combobox',\n        'aria-label': this.label,\n        'aria-expanded': this.showList.toString(),\n        'aria-owns': this.listId,\n        'aria-haspopup': 'listbox',\n        'aria-activedescendant': this.activeItemId,\n        'aria-controls': this.listId,\n      };\n    },\n\n    listProps () {\n      return {\n        role: 'listbox',\n        id: this.listId,\n        // The list has to be positioned relatively so that the auto-scroll can\n        // calculate the correct offset for the list items.\n        class: 'd-ps-relative',\n        'aria-label': this.label,\n      };\n    },\n\n    beginningOfListMethod () {\n      return this.onBeginningOfList || this.jumpToEnd;\n    },\n\n    endOfListMethod () {\n      return this.onEndOfList || this.jumpToBeginning;\n    },\n\n    activeItemId () {\n      if (!this.showList || this.highlightIndex < 0 || this.loading) {\n        return;\n      }\n      return this.highlightId;\n    },\n\n    activeItemEl () {\n      if (!this.highlightId) return '';\n      return this.getListElement().querySelector('#' + this.highlightId);\n    },\n  },\n\n  watch: {\n    showList (showList) {\n      // When the list's visibility changes reset the highlight index.\n\n      if (!this.listRenderedOutside) {\n        this.setInitialHighlightIndex();\n        this.$emit('opened', showList);\n      }\n\n      if (!showList && this.outsideRenderedListRef) {\n        this.outsideRenderedListRef.removeEventListener('mousemove', this.onMouseHighlight);\n        this.outsideRenderedListRef = null;\n      }\n    },\n\n    loading (loading) {\n      this.$nextTick(() => {\n        this.setInitialHighlightIndex();\n      });\n    },\n\n    $props: {\n      deep: true,\n      immediate: true,\n      handler () {\n        this.validateEmptyListProps();\n      },\n    },\n  },\n\n  created () {\n    this.validateEmptyListProps();\n  },\n\n  methods: {\n    onMouseHighlight (e) {\n      if (this.loading) return;\n\n      const liElement = e.target.closest('li');\n\n      if (liElement && this.highlightId !== liElement.id) {\n        this.setHighlightId(liElement.id);\n      }\n    },\n\n    getListElement () {\n      return this.outsideRenderedListRef ?? this.$refs.listWrapper?.querySelector(`#${this.listId}`);\n    },\n\n    clearHighlightIndex () {\n      if (this.showList) {\n        this.setHighlightIndex(-1);\n      }\n    },\n\n    afterHighlight () {\n      if (this.loading) return;\n      this.$emit('highlight', this.highlightIndex);\n    },\n\n    onEnterKey () {\n      if (this.loading || this.emptyList) return;\n\n      if (this.highlightIndex >= 0) {\n        this.$emit('select', this.highlightIndex);\n\n        if (this.clickOnSelect) {\n          this.activeItemEl?.click();\n        }\n      }\n    },\n\n    onEscapeKey () {\n      this.$emit('escape');\n    },\n\n    onOpen (open, contentRef) {\n      this.outsideRenderedListRef = contentRef;\n      this.outsideRenderedListRef?.addEventListener('mousemove', this.onMouseHighlight);\n      this.$emit('opened', open);\n\n      if (open) {\n        this.setInitialHighlightIndex();\n      }\n    },\n\n    onKeyValidation (e, eventHandler) {\n      if (!this.showList || !this.getListElement()) return;\n\n      this[eventHandler](e);\n    },\n\n    setInitialHighlightIndex () {\n      if (!this.showList) return;\n      this.$nextTick(() => {\n      // When the list's is shown, reset the highlight index.\n      // If the list is loading, set to -1\n        this.setHighlightIndex(this.loading ? 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