57 lines
1.5 KiB
JavaScript
57 lines
1.5 KiB
JavaScript
const hasProp = (instance, prop) => {
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const $options = instance.$options || {}
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const propsData = $options.propsData || {}
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return prop in propsData
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}
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const slotHasProp = (slot, prop) => {
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const $options = slot.componentOptions || {}
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const propsData = $options.propsData || {}
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return prop in propsData
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}
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const filterProps = (props, propsData = {}) => {
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const res = {}
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Object.keys(props).forEach((k) => {
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if (k in propsData || props[k] !== undefined) {
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res[k] = props[k]
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}
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})
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return res
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}
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const getSlotOptions = (ele) => {
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let componentOptions = ele.componentOptions
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if (ele.$vnode) {
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componentOptions = ele.$vnode.componentOptions
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}
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return componentOptions.Ctor.options
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}
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const getOptionProps = (instance) => {
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const { $options = {}, $props = {}} = instance
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return filterProps($props, $options.propsData)
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}
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const getComponentFromProp = (instance, prop) => {
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const h = instance.$createElement
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const temp = instance[prop]
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if (temp !== undefined) {
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return typeof temp === 'function' ? temp(h) : temp
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}
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return instance.$slots[prop]
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}
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const getPropsData = (ele) => {
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let componentOptions = ele.componentOptions
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if (ele.$vnode) {
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componentOptions = ele.$vnode.componentOptions
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}
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return componentOptions && componentOptions.propsData
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}
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const getKey = (ele) => {
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let key = ele.key
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if (ele.$vnode) {
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key = ele.$vnode.key
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}
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return key
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}
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export { hasProp, filterProps, getOptionProps, getComponentFromProp, getSlotOptions, slotHasProp, getPropsData, getKey }
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export default hasProp
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