bootstrap-vue/esm/components/overlay/overlay.js

BootstrapVue, with more than 85 custom components, over 45 plugins, several custom directives, and over 300 icons, provides one of the most comprehensive implementations of Bootstrap v4 components and grid system for Vue.js. With extensive and automated W

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); if (enumerableOnly) symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; }); keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = arguments[i] != null ? arguments[i] : {}; if (i % 2) { ownKeys(Object(source), true).forEach(function (key) { _defineProperty(target, key, source[key]); }); } else if (Object.getOwnPropertyDescriptors) { Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)); } else { ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } } return target; }

function _defineProperty(obj, key, value) { if (key in obj) { Object.defineProperty(obj, key, { value: value, enumerable: true, configurable: true, writable: true }); } else { obj[key] = value; } return obj; }

import Vue from '../../utils/vue';
import { BVTransition } from '../../utils/bv-transition';
import { toFloat } from '../../utils/number';
import normalizeSlotMixin from '../../mixins/normalize-slot';
import { BSpinner } from '../spinner/spinner';
var positionCover = {
  top: 0,
  left: 0,
  bottom: 0,
  right: 0
};
export var BOverlay = /*#__PURE__*/Vue.extend({
  name: 'BOverlay',
  mixins: [normalizeSlotMixin],
  props: {
    show: {
      type: Boolean,
      default: false
    },
    variant: {
      type: String,
      default: 'light'
    },
    bgColor: {
      // Alternative to variant, allowing a specific
      // CSS color to be applied to the overlay
      type: String // default: null

    },
    opacity: {
      type: [Number, String],
      default: 0.85,
      validator: function validator(value) {
        var number = toFloat(value, 0);
        return number >= 0 && number <= 1;
      }
    },
    blur: {
      type: String,
      default: '2px'
    },
    rounded: {
      type: [Boolean, String],
      default: false
    },
    noCenter: {
      type: Boolean,
      default: false
    },
    noFade: {
      type: Boolean,
      default: false
    },
    spinnerType: {
      type: String,
      default: 'border'
    },
    spinnerVariant: {
      type: String // default: null

    },
    spinnerSmall: {
      type: Boolean,
      default: false
    },
    overlayTag: {
      type: String,
      default: 'div'
    },
    wrapTag: {
      type: String,
      default: 'div'
    },
    noWrap: {
      // If set, does not render the default slot
      // and switches to absolute positioning
      type: Boolean,
      default: false
    },
    fixed: {
      type: Boolean,
      default: false
    },
    zIndex: {
      type: [Number, String],
      default: 10
    }
  },
  computed: {
    computedRounded: function computedRounded() {
      var rounded = this.rounded;
      return rounded === true || rounded === '' ? 'rounded' : !rounded ? '' : "rounded-".concat(rounded);
    },
    computedVariant: function computedVariant() {
      return this.variant && !this.bgColor ? "bg-".concat(this.variant) : '';
    },
    overlayScope: function overlayScope() {
      return {
        spinnerType: this.spinnerType || null,
        spinnerVariant: this.spinnerVariant || null,
        spinnerSmall: this.spinnerSmall
      };
    }
  },
  methods: {
    defaultOverlayFn: function defaultOverlayFn(_ref) {
      var spinnerType = _ref.spinnerType,
          spinnerVariant = _ref.spinnerVariant,
          spinnerSmall = _ref.spinnerSmall;
      return this.$createElement(BSpinner, {
        props: {
          type: spinnerType,
          variant: spinnerVariant,
          small: spinnerSmall
        }
      });
    }
  },
  render: function render(h) {
    var _this = this;

    var $overlay = h();

    if (this.show) {
      var scope = this.overlayScope; // Overlay backdrop

      var $background = h('div', {
        staticClass: 'position-absolute',
        class: [this.computedVariant, this.computedRounded],
        style: _objectSpread(_objectSpread({}, positionCover), {}, {
          opacity: this.opacity,
          backgroundColor: this.bgColor || null,
          backdropFilter: this.blur ? "blur(".concat(this.blur, ")") : null
        })
      }); // Overlay content

      var $content = h('div', {
        staticClass: 'position-absolute',
        style: this.noCenter ?
        /* istanbul ignore next */
        _objectSpread({}, positionCover) : {
          top: '50%',
          left: '50%',
          transform: 'translateX(-50%) translateY(-50%)'
        }
      }, [this.normalizeSlot('overlay', scope) || this.defaultOverlayFn(scope)]); // Overlay positioning

      $overlay = h(this.overlayTag, {
        key: 'overlay',
        staticClass: 'b-overlay',
        class: {
          'position-absolute': !this.noWrap || this.noWrap && !this.fixed,
          'position-fixed': this.noWrap && this.fixed
        },
        style: _objectSpread(_objectSpread({}, positionCover), {}, {
          zIndex: this.zIndex || 10
        }),
        on: {
          click: function click(evt) {
            return _this.$emit('click', evt);
          }
        }
      }, [$background, $content]);
    } // Wrap in a fade transition


    $overlay = h(BVTransition, {
      props: {
        noFade: this.noFade,
        appear: true
      },
      on: {
        'after-enter': function afterEnter() {
          return _this.$emit('shown');
        },
        'after-leave': function afterLeave() {
          return _this.$emit('hidden');
        }
      }
    }, [$overlay]);

    if (this.noWrap) {
      return $overlay;
    }

    return h(this.wrapTag, {
      staticClass: 'b-overlay-wrap position-relative',
      attrs: {
        'aria-busy': this.show ? 'true' : null
      }
    }, this.noWrap ? [$overlay] : [this.normalizeSlot('default'), $overlay]);
  }
});