open-vault/ui/app/helpers/parse-date-string.js

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import { helper } from '@ember/component/helper';
import { isValid } from 'date-fns';
export function parseDateString(date, separator = '-') {
// Expects format MM-YYYY by default: no dates
let datePieces = date.split(separator);
if (datePieces.length === 2) {
if (datePieces[0] < 1 || datePieces[0] > 12) {
throw new Error('Not a valid month value');
}
let firstOfMonth = new Date(datePieces[1], datePieces[0] - 1, 1);
if (isValid(firstOfMonth)) {
return firstOfMonth;
}
}
// what to return if not valid?
throw new Error(`Please use format MM${separator}YYYY`);
}
export default helper(parseDateString);