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

With more than 85 components, over 45 available plugins, several directives, and 1000+ icons, BootstrapVue provides one of the most comprehensive implementations of the Bootstrap v4 component and grid system available for Vue.js v2.6, complete with extens

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 '../../vue';
import { NAME_OVERLAY } from '../../constants/components';
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: NAME_OVERLAY,
  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(), $overlay]);
  }
});