aaac7fed
 liuqimichale
add
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/* @flow */
import { makeMap } from 'shared/util'
// these are reserved for web because they are directly compiled away
// during template compilation
export const isReservedAttr = makeMap('style,class')
// attributes that should be using props for binding
const acceptValue = makeMap('input,textarea,option,select,progress')
export const mustUseProp = (tag: string, type: ?string, attr: string): boolean => {
return (
(attr === 'value' && acceptValue(tag)) && type !== 'button' ||
(attr === 'selected' && tag === 'option') ||
(attr === 'checked' && tag === 'input') ||
(attr === 'muted' && tag === 'video')
)
}
export const isEnumeratedAttr = makeMap('contenteditable,draggable,spellcheck')
export const isBooleanAttr = makeMap(
'allowfullscreen,async,autofocus,autoplay,checked,compact,controls,declare,' +
'default,defaultchecked,defaultmuted,defaultselected,defer,disabled,' +
'enabled,formnovalidate,hidden,indeterminate,inert,ismap,itemscope,loop,multiple,' +
'muted,nohref,noresize,noshade,novalidate,nowrap,open,pauseonexit,readonly,' +
'required,reversed,scoped,seamless,selected,sortable,translate,' +
'truespeed,typemustmatch,visible'
)
export const xlinkNS = 'http://www.w3.org/1999/xlink'
export const isXlink = (name: string): boolean => {
return name.charAt(5) === ':' && name.slice(0, 5) === 'xlink'
}
export const getXlinkProp = (name: string): string => {
return isXlink(name) ? name.slice(6, name.length) : ''
}
export const isFalsyAttrValue = (val: any): boolean => {
return val == null || val === false
}
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