rrule
Version:
JavaScript library for working with recurrence rules for calendar dates.
29 lines • 1.83 kB
JavaScript
import { range, repeat } from './helpers';
// =============================================================================
// Date masks
// =============================================================================
// Every mask is 7 days longer to handle cross-year weekly periods.
var M365MASK = repeat(1, 31).concat(repeat(2, 28), repeat(3, 31), repeat(4, 30), repeat(5, 31), repeat(6, 30), repeat(7, 31), repeat(8, 31), repeat(9, 30), repeat(10, 31), repeat(11, 30), repeat(12, 31), repeat(1, 7));
var M366MASK = repeat(1, 31).concat(repeat(2, 29), repeat(3, 31), repeat(4, 30), repeat(5, 31), repeat(6, 30), repeat(7, 31), repeat(8, 31), repeat(9, 30), repeat(10, 31), repeat(11, 30), repeat(12, 31), repeat(1, 7));
var M28 = range(1, 29);
var M29 = range(1, 30);
var M30 = range(1, 31);
var M31 = range(1, 32);
var MDAY366MASK = M31.concat(M29, M31, M30, M31, M30, M31, M31, M30, M31, M30, M31, M31.slice(0, 7));
var MDAY365MASK = M31.concat(M28, M31, M30, M31, M30, M31, M31, M30, M31, M30, M31, M31.slice(0, 7));
var NM28 = range(-28, 0);
var NM29 = range(-29, 0);
var NM30 = range(-30, 0);
var NM31 = range(-31, 0);
var NMDAY366MASK = NM31.concat(NM29, NM31, NM30, NM31, NM30, NM31, NM31, NM30, NM31, NM30, NM31, NM31.slice(0, 7));
var NMDAY365MASK = NM31.concat(NM28, NM31, NM30, NM31, NM30, NM31, NM31, NM30, NM31, NM30, NM31, NM31.slice(0, 7));
var M366RANGE = [0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305, 335, 366];
var M365RANGE = [0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304, 334, 365];
var WDAYMASK = (function () {
var wdaymask = [];
for (var i = 0; i < 55; i++)
wdaymask = wdaymask.concat(range(7));
return wdaymask;
})();
export { WDAYMASK, M365MASK, M365RANGE, M366MASK, M366RANGE, MDAY365MASK, MDAY366MASK, NMDAY365MASK, NMDAY366MASK };
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