1 | import { dateLib } from "../lib";
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2 |
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3 | import { getDates } from "./getDates";
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4 |
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5 | describe("when the first month and the last month are the same", () => {
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6 | describe("when the month has 6 weeks", () => {
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7 | const month = new Date(2023, 11, 1);
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8 | describe("when not using fixed weeks", () => {
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9 | it("should return 42 dates", () => {
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10 | const dates = getDates(
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11 | [month],
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12 | undefined,
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13 | {
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14 | fixedWeeks: false
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15 | },
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16 | dateLib
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17 | );
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18 | expect(dates).toHaveLength(42);
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19 | expect(dates[0]).toEqual(new Date(2023, 10, 26));
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20 | expect(dates[dates.length - 1]).toEqual(new Date(2024, 0, 6));
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21 | });
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22 | });
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23 | describe("when using fixed weeks", () => {
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24 | it("should return 42 dates", () => {
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25 | const dates = getDates(
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26 | [month],
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27 | undefined,
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28 | {
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29 | fixedWeeks: true
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30 | },
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31 | dateLib
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32 | );
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33 | expect(dates).toHaveLength(42);
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34 | expect(dates[0]).toEqual(new Date(2023, 10, 26));
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35 | expect(dates[dates.length - 1]).toEqual(new Date(2024, 0, 6));
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36 | });
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37 | });
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38 | });
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39 | describe("when the month has 5 weeks", () => {
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40 | const month = new Date(2023, 4, 1);
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41 | describe("when not using fixed weeks", () => {
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42 | it("should return 35 dates", () => {
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43 | const dates = getDates(
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44 | [month],
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45 | undefined,
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46 | {
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47 | fixedWeeks: false
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48 | },
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49 | dateLib
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50 | );
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51 | expect(dates).toHaveLength(35);
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52 | expect(dates[0]).toEqual(new Date(2023, 3, 30));
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53 | expect(dates[dates.length - 1]).toEqual(new Date(2023, 5, 3));
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54 | });
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55 | });
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56 | describe("when using fixed weeks", () => {
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57 | it("should return 42 dates", () => {
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58 | const dates = getDates(
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59 | [month],
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60 | undefined,
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61 | {
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62 | fixedWeeks: true
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63 | },
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64 | dateLib
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65 | );
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66 | expect(dates).toHaveLength(42);
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67 | expect(dates[0]).toEqual(new Date(2023, 3, 30));
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68 | expect(dates[dates.length - 1]).toEqual(new Date(2023, 5, 10));
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69 | });
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70 | });
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71 | });
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72 | describe("when using Monday as first day of the week", () => {
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73 | const month = new Date(2023, 4, 1);
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74 | it("the first day should be Monday", () => {
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75 | const dates = getDates(
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76 | [month],
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77 | undefined,
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78 | {
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79 | weekStartsOn: 1
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80 | },
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81 | dateLib
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82 | );
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83 | expect(dates[0]).toBeMonday();
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84 | expect(dates[0]).toEqual(new Date(2023, 4, 1));
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85 | expect(dates[dates.length - 1]).toEqual(new Date(2023, 5, 4));
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86 | });
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87 | });
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88 | describe("when using a max date", () => {
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89 | const month = new Date(2023, 4, 1);
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90 | const maxDate = new Date(2023, 4, 15);
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91 |
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92 | it("the last day should be the max date", () => {
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93 | const dates = getDates([month], maxDate, { weekStartsOn: 1 }, dateLib);
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94 | expect(dates).toHaveLength(15);
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95 | expect(dates[dates.length - 1]).toEqual(maxDate);
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96 | });
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97 | });
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98 | describe("when using ISO weeks", () => {
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99 | const month = new Date(2023, 4, 1);
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100 | it("the first day should be Monday", () => {
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101 | const dates = getDates([month], undefined, { ISOWeek: true }, dateLib);
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102 | expect(dates[0]).toBeMonday();
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103 | expect(dates[0]).toEqual(new Date(2023, 4, 1));
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104 | expect(dates[dates.length - 1]).toEqual(new Date(2023, 5, 4));
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105 | });
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106 | });
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107 | });
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108 |
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109 | describe("when the first month and the last month are different", () => {
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110 | const firstMonth = new Date(2023, 4, 1);
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111 | const lastMonth = new Date(2023, 11, 1);
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112 | describe("when not using fixed weeks", () => {
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113 | it("should return an array of dates", () => {
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114 | const dates = getDates(
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115 | [firstMonth, lastMonth],
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116 | undefined,
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117 | {
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118 | fixedWeeks: false
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119 | },
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120 | dateLib
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121 | );
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122 | expect(dates).toHaveLength(252);
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123 | expect(dates[0]).toEqual(new Date(2023, 3, 30));
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124 | expect(dates[dates.length - 1]).toEqual(new Date(2024, 0, 6));
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125 | });
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126 | });
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127 | describe("when using a max date", () => {
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128 | const firstMonth = new Date(2023, 4, 1);
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129 | const lastMonth = new Date(2023, 11, 1);
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130 | const maxDate = new Date(2023, 5, 15);
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131 |
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132 | it("the last day should be the max date", () => {
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133 | const dates = getDates(
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134 | [firstMonth, lastMonth],
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135 | maxDate,
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136 | {
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137 | weekStartsOn: 1
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138 | },
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139 | dateLib
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140 | );
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141 | expect(dates).toHaveLength(46);
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142 | expect(dates[dates.length - 1]).toEqual(maxDate);
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143 | });
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144 | });
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145 | describe("when using ISO weeks", () => {
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146 | const month = new Date(2023, 4, 1);
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147 | it("the first day should be Monday", () => {
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148 | const dates = getDates([month], undefined, { ISOWeek: true }, dateLib);
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149 | expect(dates[0]).toBeMonday();
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150 | expect(dates[0]).toEqual(new Date(2023, 4, 1));
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151 | expect(dates[dates.length - 1]).toEqual(new Date(2023, 5, 4));
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152 | });
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153 | });
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154 | });
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