1 | import { __assign } from "tslib";
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2 | import dateutil from '../dateutil';
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3 | import { empty, repeat, pymod, includes } from '../helpers';
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4 | import { M365MASK, MDAY365MASK, NMDAY365MASK, WDAYMASK, M365RANGE, M366MASK, MDAY366MASK, NMDAY366MASK, M366RANGE } from '../masks';
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5 | export function rebuildYear(year, options) {
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6 | var firstyday = new Date(Date.UTC(year, 0, 1));
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7 | var yearlen = dateutil.isLeapYear(year) ? 366 : 365;
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8 | var nextyearlen = dateutil.isLeapYear(year + 1) ? 366 : 365;
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9 | var yearordinal = dateutil.toOrdinal(firstyday);
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10 | var yearweekday = dateutil.getWeekday(firstyday);
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11 | var result = __assign(__assign({ yearlen: yearlen,
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12 | nextyearlen: nextyearlen,
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13 | yearordinal: yearordinal,
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14 | yearweekday: yearweekday }, baseYearMasks(year)), { wnomask: null });
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15 | if (empty(options.byweekno)) {
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16 | return result;
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17 | }
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18 | result.wnomask = repeat(0, yearlen + 7);
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19 | var firstwkst;
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20 | var wyearlen;
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21 | var no1wkst = firstwkst = pymod(7 - yearweekday + options.wkst, 7);
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22 | if (no1wkst >= 4) {
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23 | no1wkst = 0;
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24 |
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25 |
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26 | wyearlen =
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27 | result.yearlen + pymod(yearweekday - options.wkst, 7);
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28 | }
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29 | else {
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30 |
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31 |
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32 | wyearlen = yearlen - no1wkst;
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33 | }
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34 | var div = Math.floor(wyearlen / 7);
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35 | var mod = pymod(wyearlen, 7);
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36 | var numweeks = Math.floor(div + mod / 4);
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37 | for (var j = 0; j < options.byweekno.length; j++) {
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38 | var n = options.byweekno[j];
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39 | if (n < 0) {
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40 | n += numweeks + 1;
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41 | }
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42 | if (!(n > 0 && n <= numweeks)) {
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43 | continue;
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44 | }
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45 | var i = void 0;
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46 | if (n > 1) {
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47 | i = no1wkst + (n - 1) * 7;
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48 | if (no1wkst !== firstwkst) {
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49 | i -= 7 - firstwkst;
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50 | }
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51 | }
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52 | else {
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53 | i = no1wkst;
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54 | }
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55 | for (var k = 0; k < 7; k++) {
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56 | result.wnomask[i] = 1;
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57 | i++;
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58 | if (result.wdaymask[i] === options.wkst)
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59 | break;
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60 | }
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61 | }
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62 | if (includes(options.byweekno, 1)) {
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63 |
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64 |
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65 | var i = no1wkst + numweeks * 7;
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66 | if (no1wkst !== firstwkst)
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67 | i -= 7 - firstwkst;
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68 | if (i < yearlen) {
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69 |
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70 |
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71 | for (var j = 0; j < 7; j++) {
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72 | result.wnomask[i] = 1;
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73 | i += 1;
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74 | if (result.wdaymask[i] === options.wkst)
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75 | break;
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76 | }
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77 | }
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78 | }
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79 | if (no1wkst) {
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80 |
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81 |
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82 |
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83 |
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84 |
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85 |
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86 | var lnumweeks = void 0;
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87 | if (!includes(options.byweekno, -1)) {
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88 | var lyearweekday = dateutil.getWeekday(new Date(Date.UTC(year - 1, 0, 1)));
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89 | var lno1wkst = pymod(7 - lyearweekday.valueOf() + options.wkst, 7);
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90 | var lyearlen = dateutil.isLeapYear(year - 1) ? 366 : 365;
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91 | var weekst = void 0;
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92 | if (lno1wkst >= 4) {
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93 | lno1wkst = 0;
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94 | weekst = lyearlen + pymod(lyearweekday - options.wkst, 7);
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95 | }
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96 | else {
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97 | weekst = yearlen - no1wkst;
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98 | }
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99 | lnumweeks = Math.floor(52 + pymod(weekst, 7) / 4);
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100 | }
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101 | else {
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102 | lnumweeks = -1;
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103 | }
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104 | if (includes(options.byweekno, lnumweeks)) {
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105 | for (var i = 0; i < no1wkst; i++)
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106 | result.wnomask[i] = 1;
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107 | }
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108 | }
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109 | return result;
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110 | }
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111 | function baseYearMasks(year) {
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112 | var yearlen = dateutil.isLeapYear(year) ? 366 : 365;
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113 | var firstyday = new Date(Date.UTC(year, 0, 1));
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114 | var wday = dateutil.getWeekday(firstyday);
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115 | if (yearlen === 365) {
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116 | return {
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117 | mmask: M365MASK,
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118 | mdaymask: MDAY365MASK,
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119 | nmdaymask: NMDAY365MASK,
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120 | wdaymask: WDAYMASK.slice(wday),
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121 | mrange: M365RANGE
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122 | };
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123 | }
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124 | return {
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125 | mmask: M366MASK,
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126 | mdaymask: MDAY366MASK,
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127 | nmdaymask: NMDAY366MASK,
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128 | wdaymask: WDAYMASK.slice(wday),
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129 | mrange: M366RANGE
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130 | };
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131 | }
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132 |
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