47 lines
2.4 KiB
JavaScript
47 lines
2.4 KiB
JavaScript
class Helpers {
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compareValues(key, order = 'asc') {
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return function innerSort(a, b) {
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if (!a.hasOwnProperty(key) || !b.hasOwnProperty(key)) {
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// property doesn't exist on either object
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return 0;
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}
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const varA = (typeof a[key] === 'string')
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? a[key].toUpperCase() : a[key];
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const varB = (typeof b[key] === 'string')
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? b[key].toUpperCase() : b[key];
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let comparison = 0;
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if (varA > varB) {
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comparison = 1;
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} else if (varA < varB) {
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comparison = -1;
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}
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return (
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(order === 'desc') ? (comparison * -1) : comparison
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);
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};
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}
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isEmailValid(email) {
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const expression = /(?!.*\.{2})^([a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+(\.[a-z\d!#$%&'*+\-\/=?^_`{|}~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]+)*|"((([\t]*\r\n)?[\t]+)?([\x01-\x08\x0b\x0c\x0e-\x1f\x7f\x21\x23-\x5b\x5d-\x7e\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|\\[\x01-\x09\x0b\x0c\x0d-\x7f\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]))*(([\t]*\r\n)?[\t]+)?")@(([a-z\d\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|[a-z\d\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF][a-z\d\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]*[a-z\d\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])\.)+([a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]|[a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF][a-z\d\-._~\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF]*[a-z\u00A0-\uD7FF\uF900-\uFDCF\uFDF0-\uFFEF])\.?$/i;
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return expression.test(String(email).toLowerCase());
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}
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generateUUID() { // Public Domain/MIT
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let d = new Date().getTime();//Timestamp
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let d2 = new Date().getUTCMilliseconds() + Math.random();//Time in microseconds since page-load or 0 if unsupported
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return 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function(c) {
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let r = Math.random() * 16;//random number between 0 and 16
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if(d > 0){//Use timestamp until depleted
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r = (d + r)%16 | 0;
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d = Math.floor(d/16);
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} else {//Use microseconds since page-load if supported
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r = (d2 + r)%16 | 0;
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d2 = Math.floor(d2/16);
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}
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return (c === 'x' ? r : (r & 0x3 | 0x8)).toString(16);
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});
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}
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}
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export default new Helpers();
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