ant-design-vue/components/_util/props-util.js

171 lines
4.2 KiB
JavaScript
Raw Normal View History

2018-03-01 11:09:45 +00:00
const parseStyleText = (cssText = '') => {
const res = {}
const listDelimiter = /;(?![^(]*\))/g
const propertyDelimiter = /:(.+)/
cssText.split(listDelimiter).forEach(function (item) {
if (item) {
const tmp = item.split(propertyDelimiter)
tmp.length > 1 && (res[tmp[0].trim()] = tmp[1].trim())
}
})
return res
}
2018-01-12 08:10:41 +00:00
const hasProp = (instance, prop) => {
const $options = instance.$options || {}
const propsData = $options.propsData || {}
return prop in propsData
}
2018-02-07 10:56:58 +00:00
const slotHasProp = (slot, prop) => {
const $options = slot.componentOptions || {}
const propsData = $options.propsData || {}
return prop in propsData
}
2018-01-12 08:10:41 +00:00
const filterProps = (props, propsData = {}) => {
const res = {}
Object.keys(props).forEach((k) => {
if (k in propsData || props[k] !== undefined) {
res[k] = props[k]
}
})
return res
}
2018-02-07 15:03:47 +00:00
const getSlotOptions = (ele) => {
let componentOptions = ele.componentOptions
if (ele.$vnode) {
componentOptions = ele.$vnode.componentOptions
}
2018-02-12 10:10:51 +00:00
return componentOptions ? componentOptions.Ctor.options || {} : {}
2018-02-07 10:56:58 +00:00
}
2018-01-12 08:10:41 +00:00
const getOptionProps = (instance) => {
const { $options = {}, $props = {}} = instance
return filterProps($props, $options.propsData)
}
2018-01-18 02:43:39 +00:00
const getComponentFromProp = (instance, prop) => {
2018-02-24 10:12:24 +00:00
if (instance.$createElement) {
const h = instance.$createElement
const temp = instance[prop]
if (temp !== undefined) {
return typeof temp === 'function' ? temp(h) : temp
}
return instance.$slots[prop]
} else {
const h = instance.context.$createElement
const temp = getPropsData(instance)[prop]
if (temp !== undefined) {
return typeof temp === 'function' ? temp(h) : temp
}
const slotsProp = []
const componentOptions = instance.componentOptions || {};
(componentOptions.children || []).forEach((child) => {
if (child.data && child.data.slot === prop) {
slotsProp.push(child)
}
})
return slotsProp.length ? slotsProp : undefined
2018-01-12 11:04:42 +00:00
}
}
2018-02-07 10:56:58 +00:00
const getPropsData = (ele) => {
2018-02-07 15:03:47 +00:00
let componentOptions = ele.componentOptions
if (ele.$vnode) {
componentOptions = ele.$vnode.componentOptions
}
2018-02-12 10:10:51 +00:00
return componentOptions ? componentOptions.propsData || {} : {}
2018-02-07 10:56:58 +00:00
}
2018-02-24 10:12:24 +00:00
const getValueByProp = (ele, prop) => {
return getPropsData(ele)[prop]
}
2018-02-12 10:10:51 +00:00
const getAttrs = (ele) => {
let data = ele.data
if (ele.$vnode) {
data = ele.$vnode.data
}
return data ? data.attrs || {} : {}
}
2018-02-07 15:03:47 +00:00
const getKey = (ele) => {
let key = ele.key
if (ele.$vnode) {
key = ele.$vnode.key
}
return key
}
2018-02-24 10:12:24 +00:00
export function getEvents (child) {
let events = {}
if (child.componentOptions && child.componentOptions.listeners) {
events = child.componentOptions.listeners
} else if (child.data && child.data.on) {
events = child.data.on
}
return { ...events }
}
export function getClass (ele) {
let data = {}
if (ele.data) {
data = ele.data
} else if (ele.$vnode && ele.$vnode.data) {
data = ele.$vnode.data
}
2018-03-06 14:53:32 +00:00
const tempCls = data.class || data.staticClass
let cls = {}
if (typeof tempCls === 'string') {
tempCls.split(' ').forEach(c => { cls[c.trim()] = true })
} else {
cls = tempCls
2018-03-06 11:14:41 +00:00
}
return cls
2018-02-24 10:12:24 +00:00
}
export function getStyle (ele) {
let data = {}
if (ele.data) {
data = ele.data
} else if (ele.$vnode && ele.$vnode.data) {
data = ele.$vnode.data
}
2018-03-07 13:36:15 +00:00
let style = data.style || data.staticStyle
if (typeof style === 'string') {
style = parseStyleText(style)
}
return style
2018-02-24 10:12:24 +00:00
}
export function getComponentName (opts) {
return opts && (opts.Ctor.options.name || opts.tag)
}
export function isValidElement (ele) {
return !!ele.tag
}
export function isEmptyElement (ele) {
return !(ele.tag || ele.text.trim() !== '')
}
export function filterEmpty (children = []) {
return children.filter(c => c.tag || c.text.trim() !== '')
}
2018-03-06 11:14:41 +00:00
const initDefaultProps = (propTypes, defaultProps) => {
Object.keys(defaultProps).forEach(k => { propTypes[k] = propTypes[k].def(defaultProps[k]) })
return propTypes
}
2018-02-12 10:10:51 +00:00
export {
hasProp,
filterProps,
getOptionProps,
getComponentFromProp,
getSlotOptions,
slotHasProp,
getPropsData,
getKey,
getAttrs,
2018-02-24 10:12:24 +00:00
getValueByProp,
2018-03-03 11:14:03 +00:00
parseStyleText,
2018-03-06 11:14:41 +00:00
initDefaultProps,
2018-02-12 10:10:51 +00:00
}
2018-01-12 08:10:41 +00:00
export default hasProp