4cd4fd28
郭伟龙
feat: 初始化项目
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import { extend } from '../../vue'
import { NAME_LINK } from '../../constants/components'
import { EVENT_NAME_CLICK } from '../../constants/events'
import {
PROP_TYPE_ARRAY_STRING,
PROP_TYPE_BOOLEAN,
PROP_TYPE_OBJECT_STRING,
PROP_TYPE_STRING
} from '../../constants/props'
import { concat } from '../../utils/array'
import { attemptBlur, attemptFocus, isTag } from '../../utils/dom'
import { getRootEventName, stopEvent } from '../../utils/events'
import { isBoolean, isEvent, isFunction, isUndefined } from '../../utils/inspect'
import { omit, sortKeys } from '../../utils/object'
import { makeProp, makePropsConfigurable, pluckProps } from '../../utils/props'
import { computeHref, computeRel, computeTag, isRouterLink } from '../../utils/router'
import { attrsMixin } from '../../mixins/attrs'
import { listenOnRootMixin } from '../../mixins/listen-on-root'
import { listenersMixin } from '../../mixins/listeners'
import { normalizeSlotMixin } from '../../mixins/normalize-slot'
// --- Constants ---
const ROOT_EVENT_NAME_CLICKED = getRootEventName(NAME_LINK, 'clicked')
// --- Props ---
// `<router-link>` specific props
export const routerLinkProps = {
activeClass: makeProp(PROP_TYPE_STRING),
append: makeProp(PROP_TYPE_BOOLEAN, false),
event: makeProp(PROP_TYPE_ARRAY_STRING),
exact: makeProp(PROP_TYPE_BOOLEAN, false),
exactActiveClass: makeProp(PROP_TYPE_STRING),
exactPath: makeProp(PROP_TYPE_BOOLEAN, false),
exactPathActiveClass: makeProp(PROP_TYPE_STRING),
replace: makeProp(PROP_TYPE_BOOLEAN, false),
routerTag: makeProp(PROP_TYPE_STRING),
to: makeProp(PROP_TYPE_OBJECT_STRING)
}
// `<nuxt-link>` specific props
export const nuxtLinkProps = {
noPrefetch: makeProp(PROP_TYPE_BOOLEAN, false),
// 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
prefetch: makeProp(PROP_TYPE_BOOLEAN, null)
}
// All `<b-link>` props
export const props = makePropsConfigurable(
sortKeys({
...nuxtLinkProps,
...routerLinkProps,
active: makeProp(PROP_TYPE_BOOLEAN, false),
disabled: makeProp(PROP_TYPE_BOOLEAN, false),
href: makeProp(PROP_TYPE_STRING),
// Must be `null` if no value provided
rel: makeProp(PROP_TYPE_STRING, null),
// 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: makeProp(PROP_TYPE_STRING),
target: makeProp(PROP_TYPE_STRING, '_self')
}),
NAME_LINK
)
// --- Main component ---
// @vue/component
export const BLink = /*#__PURE__*/ extend({
name: NAME_LINK,
// Mixin order is important!
mixins: [attrsMixin, listenersMixin, listenOnRootMixin, normalizeSlotMixin],
inheritAttrs: false,
props,
computed: {
computedTag() {
// We don't pass `this` as the first arg as we need reactivity of the props
const { to, disabled, routerComponentName } = this
return computeTag({ to, disabled, routerComponentName }, this)
},
isRouterLink() {
return isRouterLink(this.computedTag)
},
computedRel() {
// We don't pass `this` as the first arg as we need reactivity of the props
const { target, rel } = this
return computeRel({ target, rel })
},
computedHref() {
// We don't pass `this` as the first arg as we need reactivity of the props
const { to, href } = this
return computeHref({ to, href }, this.computedTag)
},
computedProps() {
const { event, prefetch, routerTag } = this
return this.isRouterLink
? {
...pluckProps(
omit(
{ ...routerLinkProps, ...(this.computedTag === 'nuxt-link' ? nuxtLinkProps : {}) },
['event', 'prefetch', 'routerTag']
),
this
),
// Only add these props, when actually defined
...(event ? { event } : {}),
...(isBoolean(prefetch) ? { prefetch } : {}),
// Pass `router-tag` as `tag` prop
...(routerTag ? { tag: routerTag } : {})
}
: {}
},
computedAttrs() {
const {
bvAttrs,
computedHref: href,
computedRel: rel,
disabled,
target,
routerTag,
isRouterLink
} = this
return {
...bvAttrs,
// If `href` attribute exists on `<router-link>` (even `undefined` or `null`)
// it fails working on SSR, so we explicitly add it here if needed
// (i.e. if `computedHref` is truthy)
...(href ? { href } : {}),
// We don't render `rel` or `target` on non link tags when using `vue-router`
...(isRouterLink && routerTag && !isTag(routerTag, 'a') ? {} : { rel, target }),
tabindex: disabled ? '-1' : isUndefined(bvAttrs.tabindex) ? null : bvAttrs.tabindex,
'aria-disabled': disabled ? 'true' : null
}
},
computedListeners() {
return {
// Transfer all listeners (native) to the root element
...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(event) {
const eventIsEvent = isEvent(event)
const isRouterLink = this.isRouterLink
const suppliedHandler = this.bvListeners.click
if (eventIsEvent && 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(event, { immediatePropagation: true })
} else {
// Router links do not emit instance `click` events, so we
// add in an `$emit('click', event)` on its Vue instance
//
// seems not to be required for Vue3 compat build
/* istanbul ignore next: difficult to test, but we know it works */
if (isRouterLink) {
event.currentTarget.__vue__?.$emit(EVENT_NAME_CLICK, event)
}
// Call the suppliedHandler(s), if any provided
concat(suppliedHandler)
.filter(h => isFunction(h))
.forEach(handler => {
handler(...arguments)
})
// Emit the global `$root` click event
this.emitOnRoot(ROOT_EVENT_NAME_CLICKED, event)
// TODO: Remove deprecated 'clicked::link' event with next major release
this.emitOnRoot('clicked::link', event)
}
// Stop scroll-to-top behavior or navigation on
// regular links when href is just '#'
if (eventIsEvent && !isRouterLink && this.computedHref === '#') {
stopEvent(event, { propagation: false })
}
},
focus() {
attemptFocus(this.$el)
},
blur() {
attemptBlur(this.$el)
}
},
render(h) {
const { active, disabled } = this
return h(
this.computedTag,
{
class: { active, disabled },
attrs: this.computedAttrs,
props: this.computedProps,
// We must use `nativeOn` for `<router-link>`/`<nuxt-link>` instead of `on`
[this.isRouterLink ? 'nativeOn' : 'on']: this.computedListeners
},
this.normalizeSlot()
)
}
})
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