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