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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 | 21x 21x 21x 21x 7970x 21x 1x 21x 4x 21x 15298x 2x 15296x 15296x 2x 15294x 15294x 4x 15290x 21x 574x 1x 573x 1x 572x 572x 2x 570x 21x 7649x 7645x 7645x 7645x 5713x 1932x 21x 283x 283x 283x 283x 7641x 7641x 283x | const quarters = [
"WINTER",
"SPRING",
"SUMMER",
"FALL"
];
const shortQuarters = [
"W",
"S",
"M",
"F"
];
const qtrNumToQuarter = {
'1': 'WINTER',
'2': 'SPRING',
'3': 'SUMMER',
'4': 'FALL'
};
const yyyyqToQyy = (yyyyq) => {
return `${shortQuarters[parseInt(yyyyq.charAt(4)) - 1]}${yyyyq.substring(2, 4)}`;
}
const toFormat = (quarter, year) => {
return year.toString() + (parseInt(quarter)).toString();
}
const fromFormat = (format) => {
return `${quarters[parseInt(format.charAt(4)) - 1]} ${format.substring(0, 4)}`;
}
const fromNumericYYYYQ = (yyyyqInt) => {
if (typeof (yyyyqInt) != 'number') {
throw new Error("param should be a number");
}
const yyyyqStr = yyyyqInt.toString();
if (yyyyqStr.length !== 5) {
throw new Error("param should be five digits");
}
const qStr = yyyyqStr.substring(4, 5);
if (!(qStr in qtrNumToQuarter)) {
throw new Error("param should end in 1,2,3 or 4");
}
return yyyyqStr;
}
const toNumericYYYYQ = (yyyyqStr) => {
if (typeof (yyyyqStr) !== 'string') {
throw new Error("param should be a string");
}
if (yyyyqStr.length !== 5) {
throw new Error("param should be five digits");
}
const qStr = yyyyqStr.substring(4, 5);
if (!(qStr in qtrNumToQuarter)) {
throw new Error("param should end in 1,2,3 or 4");
}
return parseInt(yyyyqStr);
}
const nextQuarter = (yyyyqInt) => {
const _yyyyqStr = fromNumericYYYYQ(yyyyqInt); // just for type/format checking
const qInt = yyyyqInt % 10;
const yyyyInt = Math.floor(yyyyqInt / 10);
if (qInt < 4) {
return yyyyqInt + 1;
}
return (yyyyInt + 1) * 10 + 1;
}
const quarterRange = (beginYYYYQStr, endYYYYQStr) => {
let quarterList = [];
const beginYYYYQInt = toNumericYYYYQ(beginYYYYQStr);
const endYYYYQInt = toNumericYYYYQ(endYYYYQStr);
for (let yyyyqInt = beginYYYYQInt; yyyyqInt <= endYYYYQInt; yyyyqInt = nextQuarter(yyyyqInt)) {
const yyyyqStr = fromNumericYYYYQ(yyyyqInt);
quarterList.push({
yyyyq : yyyyqStr,
qyy: yyyyqToQyy(yyyyqStr)
});
}
return quarterList;
}
export {
fromFormat,
toFormat,
yyyyqToQyy,
fromNumericYYYYQ,
toNumericYYYYQ,
nextQuarter,
quarterRange,
qtrNumToQuarter
};
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