1 |
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2 | export var DIGIT_PLACEHOLDER = 'x';
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3 |
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4 | var DIGIT_PLACEHOLDER_MATCHER = new RegExp(DIGIT_PLACEHOLDER);
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5 |
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6 |
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7 | export function countOccurences(symbol, string) {
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8 | var count = 0;
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9 |
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10 |
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11 |
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12 |
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13 |
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14 | for (var _iterator = string.split(''), _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
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15 | var _ref;
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16 |
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17 | if (_isArray) {
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18 | if (_i >= _iterator.length) break;
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19 | _ref = _iterator[_i++];
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20 | } else {
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21 | _i = _iterator.next();
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22 | if (_i.done) break;
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23 | _ref = _i.value;
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24 | }
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25 |
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26 | var character = _ref;
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27 |
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28 | if (character === symbol) {
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29 | count++;
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30 | }
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31 | }
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32 |
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33 | return count;
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34 | }
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35 |
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36 |
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37 | export function repeat(string, times) {
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38 | if (times < 1) {
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39 | return '';
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40 | }
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41 |
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42 | var result = '';
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43 |
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44 | while (times > 1) {
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45 | if (times & 1) {
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46 | result += string;
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47 | }
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48 |
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49 | times >>= 1;
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50 | string += string;
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51 | }
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52 |
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53 | return result + string;
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54 | }
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55 | export function cutAndStripNonPairedParens(string, cutBeforeIndex) {
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56 | if (string[cutBeforeIndex] === ')') {
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57 | cutBeforeIndex++;
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58 | }
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59 |
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60 | return stripNonPairedParens(string.slice(0, cutBeforeIndex));
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61 | }
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62 | export function closeNonPairedParens(template, cut_before) {
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63 | var retained_template = template.slice(0, cut_before);
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64 | var opening_braces = countOccurences('(', retained_template);
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65 | var closing_braces = countOccurences(')', retained_template);
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66 | var dangling_braces = opening_braces - closing_braces;
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67 |
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68 | while (dangling_braces > 0 && cut_before < template.length) {
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69 | if (template[cut_before] === ')') {
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70 | dangling_braces--;
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71 | }
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72 |
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73 | cut_before++;
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74 | }
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75 |
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76 | return template.slice(0, cut_before);
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77 | }
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78 | export function stripNonPairedParens(string) {
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79 | var dangling_braces = [];
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80 | var i = 0;
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81 |
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82 | while (i < string.length) {
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83 | if (string[i] === '(') {
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84 | dangling_braces.push(i);
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85 | } else if (string[i] === ')') {
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86 | dangling_braces.pop();
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87 | }
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88 |
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89 | i++;
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90 | }
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91 |
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92 | var start = 0;
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93 | var cleared_string = '';
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94 | dangling_braces.push(string.length);
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95 |
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96 | for (var _i2 = 0, _dangling_braces = dangling_braces; _i2 < _dangling_braces.length; _i2++) {
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97 | var index = _dangling_braces[_i2];
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98 | cleared_string += string.slice(start, index);
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99 | start = index + 1;
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100 | }
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101 |
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102 | return cleared_string;
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103 | }
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104 | export function populateTemplateWithDigits(template, position, digits) {
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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 |
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110 | for (var _iterator2 = digits.split(''), _isArray2 = Array.isArray(_iterator2), _i3 = 0, _iterator2 = _isArray2 ? _iterator2 : _iterator2[Symbol.iterator]();;) {
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111 | var _ref2;
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112 |
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113 | if (_isArray2) {
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114 | if (_i3 >= _iterator2.length) break;
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115 | _ref2 = _iterator2[_i3++];
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116 | } else {
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117 | _i3 = _iterator2.next();
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118 | if (_i3.done) break;
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119 | _ref2 = _i3.value;
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120 | }
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121 |
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122 | var digit = _ref2;
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123 |
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124 |
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125 |
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126 |
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127 |
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128 | if (template.slice(position + 1).search(DIGIT_PLACEHOLDER_MATCHER) < 0) {
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129 | return;
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130 | }
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131 |
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132 | position = template.search(DIGIT_PLACEHOLDER_MATCHER);
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133 | template = template.replace(DIGIT_PLACEHOLDER_MATCHER, digit);
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134 | }
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135 |
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136 | return [template, position];
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137 | }
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138 |
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