mirror of https://github.com/rancher/dashboard.git
23 lines
611 B
JavaScript
23 lines
611 B
JavaScript
import Vue from 'vue';
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export default Vue.directive('intNumber', {
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inserted(el) {
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el.addEventListener('keypress', (e) => {
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e = e || window.event;
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const charcode = typeof e.charCode === 'number' ? e.charCode : e.keyCode;
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const inputChar = String.fromCharCode(charcode);
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// Allow digits, minus sign at the beginning, and Ctrl key combinations
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const re = /^-?\d*$/;
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if (!re.test(inputChar) && charcode > 9 && !e.ctrlKey) {
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if (e.preventDefault) {
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e.preventDefault();
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} else {
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e.returnValue = false;
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}
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}
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});
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}
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});
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