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10 |
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11 | "use strict";
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12 |
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13 | exports.__esModule = true;
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14 |
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15 |
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16 | function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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17 |
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18 | function getLookupIndex(i, base, max) {
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19 | i += base;
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20 |
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21 | if (i >= max) {
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22 | i -= max;
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23 | }
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24 |
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25 | return i;
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26 | }
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27 |
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28 |
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29 |
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30 |
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31 |
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32 | var Whitespace = (function () {
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33 | function Whitespace(tokens) {
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34 | _classCallCheck(this, Whitespace);
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35 |
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36 | this.tokens = tokens;
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37 | this.used = {};
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38 |
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39 |
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40 |
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41 |
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42 |
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43 |
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44 |
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45 |
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46 |
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47 | this._lastFoundIndex = 0;
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48 | }
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49 |
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50 | |
51 |
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52 |
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53 |
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54 | Whitespace.prototype.getNewlinesBefore = function getNewlinesBefore(node) {
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55 | var startToken;
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56 | var endToken;
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57 | var tokens = this.tokens;
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58 |
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59 | for (var j = 0; j < tokens.length; j++) {
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60 |
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61 | var i = getLookupIndex(j, this._lastFoundIndex, this.tokens.length);
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62 | var token = tokens[i];
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63 |
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64 |
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65 | if (node.start === token.start) {
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66 | startToken = tokens[i - 1];
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67 | endToken = token;
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68 |
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69 | this._lastFoundIndex = i;
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70 | break;
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71 | }
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72 | }
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73 |
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74 | return this.getNewlinesBetween(startToken, endToken);
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75 | };
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76 |
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77 | |
78 |
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79 |
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80 |
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81 | Whitespace.prototype.getNewlinesAfter = function getNewlinesAfter(node) {
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82 | var startToken;
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83 | var endToken;
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84 | var tokens = this.tokens;
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85 |
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86 | for (var j = 0; j < tokens.length; j++) {
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87 |
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88 | var i = getLookupIndex(j, this._lastFoundIndex, this.tokens.length);
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89 | var token = tokens[i];
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90 |
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91 |
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92 | if (node.end === token.end) {
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93 | startToken = token;
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94 | endToken = tokens[i + 1];
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95 | if (endToken.type.label === ",") endToken = tokens[i + 2];
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96 |
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97 | this._lastFoundIndex = i;
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98 | break;
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99 | }
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100 | }
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101 |
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102 | if (endToken && endToken.type.label === "eof") {
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103 | return 1;
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104 | } else {
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105 | var lines = this.getNewlinesBetween(startToken, endToken);
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106 | if (node.type === "CommentLine" && !lines) {
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107 |
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108 | return 1;
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109 | } else {
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110 | return lines;
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111 | }
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112 | }
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113 | };
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114 |
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115 | |
116 |
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117 |
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118 |
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119 | Whitespace.prototype.getNewlinesBetween = function getNewlinesBetween(startToken, endToken) {
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120 | if (!endToken || !endToken.loc) return 0;
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121 |
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122 | var start = startToken ? startToken.loc.end.line : 1;
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123 | var end = endToken.loc.start.line;
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124 | var lines = 0;
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125 |
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126 | for (var line = start; line < end; line++) {
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127 | if (typeof this.used[line] === "undefined") {
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128 | this.used[line] = true;
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129 | lines++;
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130 | }
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131 | }
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132 |
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133 | return lines;
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134 | };
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135 |
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136 | return Whitespace;
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137 | })();
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138 |
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139 | exports["default"] = Whitespace;
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140 | module.exports = exports["default"]; |
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