bootstrap-vue/esm/components/link/link.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 _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }

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function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }

function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }

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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_LINK } from '../../constants/components';
import { concat } from '../../utils/array';
import { getComponentConfig } from '../../utils/config';
import { attemptBlur, attemptFocus, isTag } from '../../utils/dom';
import { stopEvent } from '../../utils/events';
import { isBoolean, isEvent, isFunction, isUndefined } from '../../utils/inspect';
import { pluckProps } from '../../utils/props';
import { computeHref, computeRel, computeTag, isRouterLink as _isRouterLink } from '../../utils/router';
import attrsMixin from '../../mixins/attrs';
import listenersMixin from '../../mixins/listeners';
import normalizeSlotMixin from '../../mixins/normalize-slot'; // --- Props ---
// <router-link> specific props

export var routerLinkProps = {
  to: {
    type: [String, Object],
    default: null
  },
  append: {
    type: Boolean,
    default: false
  },
  replace: {
    type: Boolean,
    default: false
  },
  event: {
    type: [String, Array],
    default: 'click'
  },
  activeClass: {
    type: String // default: undefined

  },
  exact: {
    type: Boolean,
    default: false
  },
  exactActiveClass: {
    type: String // default: undefined

  },
  routerTag: {
    type: String,
    default: 'a'
  }
}; // <nuxt-link> specific props

export var nuxtLinkProps = {
  prefetch: {
    type: Boolean,
    // Must be `null` to fall back to the value defined in the
    // `nuxt.config.js` configuration file for `router.prefetchLinks`
    // We convert `null` to `undefined`, so that Nuxt.js will use the
    // compiled default. Vue treats `undefined` as default of `false`
    // for Boolean props, so we must set it as `null` here to be a
    // true tri-state prop
    default: null
  },
  noPrefetch: {
    type: Boolean,
    default: false
  }
};
export var props = _objectSpread(_objectSpread(_objectSpread({
  href: {
    type: String,
    default: null
  },
  rel: {
    type: String,
    // Must be `null` if no value provided
    default: null
  },
  target: {
    type: String,
    default: '_self'
  },
  active: {
    type: Boolean,
    default: false
  },
  disabled: {
    type: Boolean,
    default: false
  }
}, routerLinkProps), nuxtLinkProps), {}, {
  // To support 3rd party router links based on `<router-link>` (i.e. `g-link` for Gridsome)
  // Default is to auto choose between `<router-link>` and `<nuxt-link>`
  // Gridsome doesn't provide a mechanism to auto detect and has caveats
  // such as not supporting FQDN URLs or hash only URLs
  routerComponentName: {
    type: String,
    default: function _default() {
      return getComponentConfig(NAME_LINK, 'routerComponentName');
    }
  }
}); // --- Main component ---
// @vue/component

export var BLink = /*#__PURE__*/Vue.extend({
  name: NAME_LINK,
  // Mixin order is important!
  mixins: [attrsMixin, listenersMixin, normalizeSlotMixin],
  inheritAttrs: false,
  props: props,
  computed: {
    computedTag: function computedTag() {
      // We don't pass `this` as the first arg as we need reactivity of the props
      var to = this.to,
          disabled = this.disabled,
          routerComponentName = this.routerComponentName;
      return computeTag({
        to: to,
        disabled: disabled,
        routerComponentName: routerComponentName
      }, this);
    },
    isRouterLink: function isRouterLink() {
      return _isRouterLink(this.computedTag);
    },
    computedRel: function computedRel() {
      // We don't pass `this` as the first arg as we need reactivity of the props
      var target = this.target,
          rel = this.rel;
      return computeRel({
        target: target,
        rel: rel
      });
    },
    computedHref: function computedHref() {
      // We don't pass `this` as the first arg as we need reactivity of the props
      var to = this.to,
          href = this.href;
      return computeHref({
        to: to,
        href: href
      });
    },
    computedProps: function computedProps() {
      var prefetch = this.prefetch;
      return this.isRouterLink ? _objectSpread(_objectSpread({}, pluckProps(_objectSpread(_objectSpread({}, routerLinkProps), nuxtLinkProps), this)), {}, {
        // Coerce `prefetch` value `null` to be `undefined`
        prefetch: isBoolean(prefetch) ? prefetch : undefined,
        // Pass `router-tag` as `tag` prop
        tag: this.routerTag
      }) : {};
    },
    computedAttrs: function computedAttrs() {
      var bvAttrs = this.bvAttrs,
          href = this.computedHref,
          rel = this.computedRel,
          disabled = this.disabled,
          target = this.target,
          routerTag = this.routerTag,
          isRouterLink = this.isRouterLink;
      return _objectSpread(_objectSpread(_objectSpread(_objectSpread({}, bvAttrs), href ? {
        href: href
      } : {}), isRouterLink && !isTag(routerTag, 'a') ? {} : {
        rel: rel,
        target: target
      }), {}, {
        tabindex: disabled ? '-1' : isUndefined(bvAttrs.tabindex) ? null : bvAttrs.tabindex,
        'aria-disabled': disabled ? 'true' : null
      });
    },
    computedListeners: function computedListeners() {
      return _objectSpread(_objectSpread({}, this.bvListeners), {}, {
        // We want to overwrite any click handler since our callback
        // will invoke the user supplied handler(s) if `!this.disabled`
        click: this.onClick
      });
    }
  },
  methods: {
    onClick: function onClick(evt) {
      var _arguments = arguments;
      var evtIsEvent = isEvent(evt);
      var isRouterLink = this.isRouterLink;
      var suppliedHandler = this.bvListeners.click;

      if (evtIsEvent && this.disabled) {
        // Stop event from bubbling up
        // Kill the event loop attached to this specific `EventTarget`
        // Needed to prevent `vue-router` for doing its thing
        stopEvent(evt, {
          immediatePropagation: true
        });
      } else {
        /* istanbul ignore next: difficult to test, but we know it works */
        if (isRouterLink && evt.currentTarget.__vue__) {
          // Router links do not emit instance `click` events, so we
          // add in an `$emit('click', evt)` on its Vue instance
          evt.currentTarget.__vue__.$emit('click', evt);
        } // Call the suppliedHandler(s), if any provided


        concat(suppliedHandler).filter(function (h) {
          return isFunction(h);
        }).forEach(function (handler) {
          handler.apply(void 0, _toConsumableArray(_arguments));
        }); // Emit the global `$root` click event

        this.$root.$emit('clicked::link', evt);
      } // Stop scroll-to-top behavior or navigation on
      // regular links when href is just '#'


      if (evtIsEvent && !isRouterLink && this.computedHref === '#') {
        stopEvent(evt, {
          propagation: false
        });
      }
    },
    focus: function focus() {
      attemptFocus(this.$el);
    },
    blur: function blur() {
      attemptBlur(this.$el);
    }
  },
  render: function render(h) {
    var active = this.active,
        disabled = this.disabled;
    return h(this.computedTag, _defineProperty({
      class: {
        active: active,
        disabled: disabled
      },
      attrs: this.computedAttrs,
      props: this.computedProps
    }, this.isRouterLink ? 'nativeOn' : 'on', this.computedListeners), this.normalizeSlot());
  }
});