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-rw-r--r--node_modules/date-fns/esm/parse/_lib/utils.js112
1 files changed, 112 insertions, 0 deletions
diff --git a/node_modules/date-fns/esm/parse/_lib/utils.js b/node_modules/date-fns/esm/parse/_lib/utils.js
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+++ b/node_modules/date-fns/esm/parse/_lib/utils.js
@@ -0,0 +1,112 @@
+import { millisecondsInHour, millisecondsInMinute, millisecondsInSecond } from "../../constants/index.js";
+import { numericPatterns } from "./constants.js";
+export function mapValue(parseFnResult, mapFn) {
+ if (!parseFnResult) {
+ return parseFnResult;
+ }
+ return {
+ value: mapFn(parseFnResult.value),
+ rest: parseFnResult.rest
+ };
+}
+export function parseNumericPattern(pattern, dateString) {
+ var matchResult = dateString.match(pattern);
+ if (!matchResult) {
+ return null;
+ }
+ return {
+ value: parseInt(matchResult[0], 10),
+ rest: dateString.slice(matchResult[0].length)
+ };
+}
+export function parseTimezonePattern(pattern, dateString) {
+ var matchResult = dateString.match(pattern);
+ if (!matchResult) {
+ return null;
+ }
+
+ // Input is 'Z'
+ if (matchResult[0] === 'Z') {
+ return {
+ value: 0,
+ rest: dateString.slice(1)
+ };
+ }
+ var sign = matchResult[1] === '+' ? 1 : -1;
+ var hours = matchResult[2] ? parseInt(matchResult[2], 10) : 0;
+ var minutes = matchResult[3] ? parseInt(matchResult[3], 10) : 0;
+ var seconds = matchResult[5] ? parseInt(matchResult[5], 10) : 0;
+ return {
+ value: sign * (hours * millisecondsInHour + minutes * millisecondsInMinute + seconds * millisecondsInSecond),
+ rest: dateString.slice(matchResult[0].length)
+ };
+}
+export function parseAnyDigitsSigned(dateString) {
+ return parseNumericPattern(numericPatterns.anyDigitsSigned, dateString);
+}
+export function parseNDigits(n, dateString) {
+ switch (n) {
+ case 1:
+ return parseNumericPattern(numericPatterns.singleDigit, dateString);
+ case 2:
+ return parseNumericPattern(numericPatterns.twoDigits, dateString);
+ case 3:
+ return parseNumericPattern(numericPatterns.threeDigits, dateString);
+ case 4:
+ return parseNumericPattern(numericPatterns.fourDigits, dateString);
+ default:
+ return parseNumericPattern(new RegExp('^\\d{1,' + n + '}'), dateString);
+ }
+}
+export function parseNDigitsSigned(n, dateString) {
+ switch (n) {
+ case 1:
+ return parseNumericPattern(numericPatterns.singleDigitSigned, dateString);
+ case 2:
+ return parseNumericPattern(numericPatterns.twoDigitsSigned, dateString);
+ case 3:
+ return parseNumericPattern(numericPatterns.threeDigitsSigned, dateString);
+ case 4:
+ return parseNumericPattern(numericPatterns.fourDigitsSigned, dateString);
+ default:
+ return parseNumericPattern(new RegExp('^-?\\d{1,' + n + '}'), dateString);
+ }
+}
+export function dayPeriodEnumToHours(dayPeriod) {
+ switch (dayPeriod) {
+ case 'morning':
+ return 4;
+ case 'evening':
+ return 17;
+ case 'pm':
+ case 'noon':
+ case 'afternoon':
+ return 12;
+ case 'am':
+ case 'midnight':
+ case 'night':
+ default:
+ return 0;
+ }
+}
+export function normalizeTwoDigitYear(twoDigitYear, currentYear) {
+ var isCommonEra = currentYear > 0;
+ // Absolute number of the current year:
+ // 1 -> 1 AC
+ // 0 -> 1 BC
+ // -1 -> 2 BC
+ var absCurrentYear = isCommonEra ? currentYear : 1 - currentYear;
+ var result;
+ if (absCurrentYear <= 50) {
+ result = twoDigitYear || 100;
+ } else {
+ var rangeEnd = absCurrentYear + 50;
+ var rangeEndCentury = Math.floor(rangeEnd / 100) * 100;
+ var isPreviousCentury = twoDigitYear >= rangeEnd % 100;
+ result = twoDigitYear + rangeEndCentury - (isPreviousCentury ? 100 : 0);
+ }
+ return isCommonEra ? result : 1 - result;
+}
+export function isLeapYearIndex(year) {
+ return year % 400 === 0 || year % 4 === 0 && year % 100 !== 0;
+} \ No newline at end of file
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