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refactor: split groups with slice

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Arthur E. Jones 2022-07-08 06:58:03 -05:00 committed by James Long
parent 70b99c451c
commit 2c9ecee464
1 changed files with 13 additions and 19 deletions
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32
packages/loot-design/src/components/modals/ImportTransactions.js
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@ -31,18 +31,6 @@ let dateFormats = [
{ format: 'dd mm yy', label: 'DD MM YY' }
];
const reYearFirst = /^(\d{4})(?:[^\d]*)?(\d{2})(?:[^\d]*)?(\d{2})$/;
const reYearLast = /^(\d{2})(?:[^\d]*)?(\d{2})(?:[^\d]*)?(\d{4})$/;
const reTwoDig = /^(\d{2})(?:[^\d]*)?(\d{2})(?:[^\d]*)?(\d{2})$/;
const re = {
'yyyy mm dd': reYearFirst,
'mm dd yyyy': reYearLast,
'dd mm yyyy': reYearLast,
'yy mm dd': reTwoDig,
'mm dd yy': reTwoDig,
'dd mm yy': reTwoDig
};
export function parseDate(str, order) {
if (typeof str !== 'string') {
return null;
@ -52,42 +40,48 @@ export function parseDate(str, order) {
return v && v.length === 1 ? '0' + v : v;
}
let parts = str.replace(/\s+/g, '').match(re[order]);
if (!parts) return null;
const dateGroups = (a, b) => str => {
const digits = str.replace(/[^\d]/g, '');
return [digits.slice(0, a), digits.slice(a, a + b), digits.slice(a + b)];
};
const yearFirst = dateGroups(4, 2);
const twoDig = dateGroups(2, 2);
// We're only interested in the groups so slice the full matched string off
// of the array.
parts = parts.slice(1);
let year, month, day;
let parts, year, month, day;
switch (order) {
case 'dd mm yyyy':
parts = twoDig(str);
year = parts[2];
month = parts[1];
day = parts[0];
break;
case 'dd mm yy':
parts = twoDig(str);
year = `20${parts[2]}`;
month = parts[1];
day = parts[0];
break;
case 'yyyy mm dd':
parts = yearFirst(str);
year = parts[0];
month = parts[1];
day = parts[2];
break;
case 'yy mm dd':
parts = twoDig(str);
year = `20${parts[0]}`;
month = parts[1];
day = parts[2];
break;
case 'mm dd yy':
parts = twoDig(str);
year = `20${parts[2]}`;
month = parts[0];
day = parts[1];
break;
default:
case 'mm dd yyyy':
parts = twoDig(str);
year = parts[2];
month = parts[0];
day = parts[1];