import { once, on } from 'element-ui/src/utils/dom';
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import { isMac } from 'element-ui/src/utils/util';
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export default {
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bind(el, binding, vnode) {
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let interval = null;
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let startTime;
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const maxIntervals = isMac() ? 100 : 200;
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const handler = () => vnode.context[binding.expression].apply();
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const clear = () => {
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if (Date.now() - startTime < maxIntervals) {
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handler();
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}
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clearInterval(interval);
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interval = null;
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};
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on(el, 'mousedown', (e) => {
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if (e.button !== 0) return;
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startTime = Date.now();
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once(document, 'mouseup', clear);
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clearInterval(interval);
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interval = setInterval(handler, maxIntervals);
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});
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}
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};
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