1 |
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2 |
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3 |
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4 | import { ALL_WEEKDAYS } from './weekday';
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5 | export var isPresent = function (value) {
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6 | return value !== null && value !== undefined;
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7 | };
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8 | export var isNumber = function (value) {
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9 | return typeof value === 'number';
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10 | };
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11 | export var isWeekdayStr = function (value) {
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12 | return ALL_WEEKDAYS.indexOf(value) >= 0;
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13 | };
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14 | export var isArray = Array.isArray;
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15 |
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16 |
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17 |
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18 | export var range = function (start, end) {
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19 | if (end === void 0) { end = start; }
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20 | if (arguments.length === 1) {
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21 | end = start;
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22 | start = 0;
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23 | }
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24 | var rang = [];
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25 | for (var i = start; i < end; i++)
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26 | rang.push(i);
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27 | return rang;
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28 | };
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29 | export var clone = function (array) {
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30 | return [].concat(array);
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31 | };
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32 | export var repeat = function (value, times) {
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33 | var i = 0;
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34 | var array = [];
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35 | if (isArray(value)) {
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36 | for (; i < times; i++)
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37 | array[i] = [].concat(value);
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38 | }
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39 | else {
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40 | for (; i < times; i++)
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41 | array[i] = value;
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42 | }
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43 | return array;
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44 | };
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45 | export var toArray = function (item) {
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46 | if (isArray(item)) {
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47 | return item;
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48 | }
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49 | return [item];
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50 | };
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51 | export function padStart(item, targetLength, padString) {
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52 | if (padString === void 0) { padString = ' '; }
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53 | var str = String(item);
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54 | targetLength = targetLength >> 0;
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55 | if (str.length > targetLength) {
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56 | return String(str);
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57 | }
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58 | targetLength = targetLength - str.length;
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59 | if (targetLength > padString.length) {
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60 | padString += repeat(padString, targetLength / padString.length);
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61 | }
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62 | return padString.slice(0, targetLength) + String(str);
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63 | }
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64 |
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65 |
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66 |
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67 | export var split = function (str, sep, num) {
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68 | var splits = str.split(sep);
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69 | return num
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70 | ? splits.slice(0, num).concat([splits.slice(num).join(sep)])
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71 | : splits;
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72 | };
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73 |
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74 |
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75 |
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76 |
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77 |
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78 |
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79 |
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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 |
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87 |
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88 | export var pymod = function (a, b) {
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89 | var r = a % b;
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90 |
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91 | return r * b < 0 ? r + b : r;
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92 | };
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93 |
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94 |
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95 |
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96 | export var divmod = function (a, b) {
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97 | return { div: Math.floor(a / b), mod: pymod(a, b) };
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98 | };
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99 | export var empty = function (obj) {
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100 | return !isPresent(obj) || obj.length === 0;
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101 | };
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102 |
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103 |
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104 |
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105 |
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106 |
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107 |
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108 | export var notEmpty = function (obj) {
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109 | return !empty(obj);
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110 | };
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111 |
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112 |
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113 |
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114 | export var includes = function (arr, val) {
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115 | return notEmpty(arr) && arr.indexOf(val) !== -1;
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116 | };
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117 |
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