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ant-design-vue/components/_util/antInputDirective.js

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2.1 KiB

/**
* Not type checking this file because flow doesn't like attaching
* properties to Elements.
*/
export const inBrowser = typeof window !== 'undefined'
export const UA = inBrowser && window.navigator.userAgent.toLowerCase()
export const isIE9 = UA && UA.indexOf('msie 9.0') > 0
function makeMap (
str,
expectsLowerCase
) {
const map = Object.create(null)
const list = str.split(',')
for (let i = 0; i < list.length; i++) {
map[list[i]] = true
}
return expectsLowerCase
? val => map[val.toLowerCase()]
: val => map[val]
}
const isTextInputType = makeMap('text,number,password,search,email,tel,url')
function onCompositionStart (e) {
e.target.composing = true
}
function onCompositionEnd (e) {
// prevent triggering an input event for no reason
if (!e.target.composing) return
e.target.composing = false
trigger(e.target, 'input')
}
function trigger (el, type) {
const e = document.createEvent('HTMLEvents')
e.initEvent(type, true, true)
el.dispatchEvent(e)
}
/* istanbul ignore if */
if (isIE9) {
// http://www.matts411.com/post/internet-explorer-9-oninput/
document.addEventListener('selectionchange', () => {
const el = document.activeElement
if (el && el.vmodel) {
trigger(el, 'input')
}
})
}
export function antInput (Vue) {
return Vue.directive('ant-input', {
inserted (el, binding, vnode, oldVnode) {
if (vnode.tag === 'textarea' || isTextInputType(el.type)) {
if (!binding.modifiers || !binding.modifiers.lazy) {
el.addEventListener('compositionstart', onCompositionStart)
el.addEventListener('compositionend', onCompositionEnd)
// Safari < 10.2 & UIWebView doesn't fire compositionend when
// switching focus before confirming composition choice
// this also fixes the issue where some browsers e.g. iOS Chrome
// fires "change" instead of "input" on autocomplete.
el.addEventListener('change', onCompositionEnd)
/* istanbul ignore if */
if (isIE9) {
el.vmodel = true
}
}
}
},
})
}
export default {
install: (Vue, options) => {
antInput(Vue)
},
}