1 | /*istanbul ignore start*/
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2 | ;
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3 |
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4 | Object.defineProperty(exports, "__esModule", {
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5 | value: true
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6 | });
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7 | exports.structuredPatch = structuredPatch;
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8 | exports.formatPatch = formatPatch;
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9 | exports.createTwoFilesPatch = createTwoFilesPatch;
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10 | exports.createPatch = createPatch;
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11 |
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12 | /*istanbul ignore end*/
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13 | var
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14 | /*istanbul ignore start*/
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15 | _line = require("../diff/line")
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16 | /*istanbul ignore end*/
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17 | ;
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18 |
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19 | /*istanbul ignore start*/ function _toConsumableArray(arr) { return _arrayWithoutHoles(arr) || _iterableToArray(arr) || _unsupportedIterableToArray(arr) || _nonIterableSpread(); }
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20 |
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21 | function _nonIterableSpread() { throw new TypeError("Invalid attempt to spread non-iterable instance.\nIn order to be iterable, non-array objects must have a [Symbol.iterator]() method."); }
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22 |
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23 | function _unsupportedIterableToArray(o, minLen) { if (!o) return; if (typeof o === "string") return _arrayLikeToArray(o, minLen); var n = Object.prototype.toString.call(o).slice(8, -1); if (n === "Object" && o.constructor) n = o.constructor.name; if (n === "Map" || n === "Set") return Array.from(o); if (n === "Arguments" || /^(?:Ui|I)nt(?:8|16|32)(?:Clamped)?Array$/.test(n)) return _arrayLikeToArray(o, minLen); }
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24 |
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25 | function _iterableToArray(iter) { if (typeof Symbol !== "undefined" && Symbol.iterator in Object(iter)) return Array.from(iter); }
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26 |
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27 | function _arrayWithoutHoles(arr) { if (Array.isArray(arr)) return _arrayLikeToArray(arr); }
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28 |
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29 | function _arrayLikeToArray(arr, len) { if (len == null || len > arr.length) len = arr.length; for (var i = 0, arr2 = new Array(len); i < len; i++) { arr2[i] = arr[i]; } return arr2; }
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30 |
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31 | /*istanbul ignore end*/
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32 | function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
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33 | if (!options) {
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34 | options = {};
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35 | }
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36 |
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37 | if (typeof options.context === 'undefined') {
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38 | options.context = 4;
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39 | }
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40 |
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41 | var diff =
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42 | /*istanbul ignore start*/
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43 | (0,
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44 | /*istanbul ignore end*/
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45 |
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46 | /*istanbul ignore start*/
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47 | _line
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48 | /*istanbul ignore end*/
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49 | .
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50 | /*istanbul ignore start*/
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51 | diffLines)
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52 | /*istanbul ignore end*/
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53 | (oldStr, newStr, options);
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54 | diff.push({
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55 | value: '',
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56 | lines: []
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57 | }); // Append an empty value to make cleanup easier
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58 |
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59 | function contextLines(lines) {
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60 | return lines.map(function (entry) {
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61 | return ' ' + entry;
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62 | });
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63 | }
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64 |
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65 | var hunks = [];
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66 | var oldRangeStart = 0,
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67 | newRangeStart = 0,
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68 | curRange = [],
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69 | oldLine = 1,
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70 | newLine = 1;
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71 |
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72 | /*istanbul ignore start*/
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73 | var _loop = function _loop(
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74 | /*istanbul ignore end*/
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75 | i) {
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76 | var current = diff[i],
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77 | lines = current.lines || current.value.replace(/\n$/, '').split('\n');
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78 | current.lines = lines;
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79 |
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80 | if (current.added || current.removed) {
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81 | /*istanbul ignore start*/
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82 | var _curRange;
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83 |
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84 | /*istanbul ignore end*/
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85 | // If we have previous context, start with that
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86 | if (!oldRangeStart) {
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87 | var prev = diff[i - 1];
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88 | oldRangeStart = oldLine;
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89 | newRangeStart = newLine;
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90 |
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91 | if (prev) {
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92 | curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];
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93 | oldRangeStart -= curRange.length;
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94 | newRangeStart -= curRange.length;
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95 | }
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96 | } // Output our changes
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97 |
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98 |
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99 | /*istanbul ignore start*/
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100 |
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101 | /*istanbul ignore end*/
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102 |
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103 | /*istanbul ignore start*/
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104 | (_curRange =
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105 | /*istanbul ignore end*/
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106 | curRange).push.apply(
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107 | /*istanbul ignore start*/
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108 | _curRange
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109 | /*istanbul ignore end*/
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110 | ,
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111 | /*istanbul ignore start*/
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112 | _toConsumableArray(
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113 | /*istanbul ignore end*/
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114 | lines.map(function (entry) {
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115 | return (current.added ? '+' : '-') + entry;
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116 | }))); // Track the updated file position
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117 |
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118 |
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119 | if (current.added) {
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120 | newLine += lines.length;
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121 | } else {
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122 | oldLine += lines.length;
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123 | }
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124 | } else {
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125 | // Identical context lines. Track line changes
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126 | if (oldRangeStart) {
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127 | // Close out any changes that have been output (or join overlapping)
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128 | if (lines.length <= options.context * 2 && i < diff.length - 2) {
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129 | /*istanbul ignore start*/
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130 | var _curRange2;
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131 |
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132 | /*istanbul ignore end*/
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133 | // Overlapping
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134 |
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135 | /*istanbul ignore start*/
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136 |
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137 | /*istanbul ignore end*/
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138 |
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139 | /*istanbul ignore start*/
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140 | (_curRange2 =
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141 | /*istanbul ignore end*/
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142 | curRange).push.apply(
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143 | /*istanbul ignore start*/
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144 | _curRange2
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145 | /*istanbul ignore end*/
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146 | ,
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147 | /*istanbul ignore start*/
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148 | _toConsumableArray(
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149 | /*istanbul ignore end*/
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150 | contextLines(lines)));
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151 | } else {
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152 | /*istanbul ignore start*/
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153 | var _curRange3;
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154 |
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155 | /*istanbul ignore end*/
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156 | // end the range and output
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157 | var contextSize = Math.min(lines.length, options.context);
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158 |
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159 | /*istanbul ignore start*/
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160 |
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161 | /*istanbul ignore end*/
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162 |
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163 | /*istanbul ignore start*/
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164 | (_curRange3 =
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165 | /*istanbul ignore end*/
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166 | curRange).push.apply(
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167 | /*istanbul ignore start*/
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168 | _curRange3
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169 | /*istanbul ignore end*/
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170 | ,
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171 | /*istanbul ignore start*/
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172 | _toConsumableArray(
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173 | /*istanbul ignore end*/
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174 | contextLines(lines.slice(0, contextSize))));
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175 |
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176 | var hunk = {
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177 | oldStart: oldRangeStart,
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178 | oldLines: oldLine - oldRangeStart + contextSize,
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179 | newStart: newRangeStart,
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180 | newLines: newLine - newRangeStart + contextSize,
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181 | lines: curRange
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182 | };
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183 |
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184 | if (i >= diff.length - 2 && lines.length <= options.context) {
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185 | // EOF is inside this hunk
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186 | var oldEOFNewline = /\n$/.test(oldStr);
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187 | var newEOFNewline = /\n$/.test(newStr);
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188 | var noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;
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189 |
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190 | if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) {
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191 | // special case: old has no eol and no trailing context; no-nl can end up before adds
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192 | // however, if the old file is empty, do not output the no-nl line
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193 | curRange.splice(hunk.oldLines, 0, '\\ No newline at end of file');
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194 | }
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195 |
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196 | if (!oldEOFNewline && !noNlBeforeAdds || !newEOFNewline) {
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197 | curRange.push('\\ No newline at end of file');
|
198 | }
|
199 | }
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200 |
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201 | hunks.push(hunk);
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202 | oldRangeStart = 0;
|
203 | newRangeStart = 0;
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204 | curRange = [];
|
205 | }
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206 | }
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207 |
|
208 | oldLine += lines.length;
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209 | newLine += lines.length;
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210 | }
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211 | };
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212 |
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213 | for (var i = 0; i < diff.length; i++) {
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214 | /*istanbul ignore start*/
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215 | _loop(
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216 | /*istanbul ignore end*/
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217 | i);
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218 | }
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219 |
|
220 | return {
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221 | oldFileName: oldFileName,
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222 | newFileName: newFileName,
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223 | oldHeader: oldHeader,
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224 | newHeader: newHeader,
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225 | hunks: hunks
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226 | };
|
227 | }
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228 |
|
229 | function formatPatch(diff) {
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230 | var ret = [];
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231 |
|
232 | if (diff.oldFileName == diff.newFileName) {
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233 | ret.push('Index: ' + diff.oldFileName);
|
234 | }
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235 |
|
236 | ret.push('===================================================================');
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237 | ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\t' + diff.oldHeader));
|
238 | ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\t' + diff.newHeader));
|
239 |
|
240 | for (var i = 0; i < diff.hunks.length; i++) {
|
241 | var hunk = diff.hunks[i]; // Unified Diff Format quirk: If the chunk size is 0,
|
242 | // the first number is one lower than one would expect.
|
243 | // https://www.artima.com/weblogs/viewpost.jsp?thread=164293
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244 |
|
245 | if (hunk.oldLines === 0) {
|
246 | hunk.oldStart -= 1;
|
247 | }
|
248 |
|
249 | if (hunk.newLines === 0) {
|
250 | hunk.newStart -= 1;
|
251 | }
|
252 |
|
253 | ret.push('@@ -' + hunk.oldStart + ',' + hunk.oldLines + ' +' + hunk.newStart + ',' + hunk.newLines + ' @@');
|
254 | ret.push.apply(ret, hunk.lines);
|
255 | }
|
256 |
|
257 | return ret.join('\n') + '\n';
|
258 | }
|
259 |
|
260 | function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {
|
261 | return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options));
|
262 | }
|
263 |
|
264 | function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {
|
265 | return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);
|
266 | }
|
267 | //# 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{diffLines} from '../diff/line';\n\nexport function structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {\n  if (!options) {\n    options = {};\n  }\n  if (typeof options.context === 'undefined') {\n    options.context = 4;\n  }\n\n  const diff = diffLines(oldStr, newStr, options);\n  diff.push({value: '', lines: []}); // Append an empty value to make cleanup easier\n\n  function contextLines(lines) {\n    return lines.map(function(entry) { return ' ' + entry; });\n  }\n\n  let hunks = [];\n  let oldRangeStart = 0, newRangeStart = 0, curRange = [],\n      oldLine = 1, newLine = 1;\n  for (let i = 0; i < diff.length; i++) {\n    const current = diff[i],\n          lines = current.lines || current.value.replace(/\\n$/, '').split('\\n');\n    current.lines = lines;\n\n    if (current.added || current.removed) {\n      // If we have previous context, start with that\n      if (!oldRangeStart) {\n        const prev = diff[i - 1];\n        oldRangeStart = oldLine;\n        newRangeStart = newLine;\n\n        if (prev) {\n          curRange = options.context > 0 ? contextLines(prev.lines.slice(-options.context)) : [];\n          oldRangeStart -= curRange.length;\n          newRangeStart -= curRange.length;\n        }\n      }\n\n      // Output our changes\n      curRange.push(... lines.map(function(entry) {\n        return (current.added ? '+' : '-') + entry;\n      }));\n\n      // Track the updated file position\n      if (current.added) {\n        newLine += lines.length;\n      } else {\n        oldLine += lines.length;\n      }\n    } else {\n      // Identical context lines. Track line changes\n      if (oldRangeStart) {\n        // Close out any changes that have been output (or join overlapping)\n        if (lines.length <= options.context * 2 && i < diff.length - 2) {\n          // Overlapping\n          curRange.push(... contextLines(lines));\n        } else {\n          // end the range and output\n          let contextSize = Math.min(lines.length, options.context);\n          curRange.push(... contextLines(lines.slice(0, contextSize)));\n\n          let hunk = {\n            oldStart: oldRangeStart,\n            oldLines: (oldLine - oldRangeStart + contextSize),\n            newStart: newRangeStart,\n            newLines: (newLine - newRangeStart + contextSize),\n            lines: curRange\n          };\n          if (i >= diff.length - 2 && lines.length <= options.context) {\n            // EOF is inside this hunk\n            let oldEOFNewline = ((/\\n$/).test(oldStr));\n            let newEOFNewline = ((/\\n$/).test(newStr));\n            let noNlBeforeAdds = lines.length == 0 && curRange.length > hunk.oldLines;\n            if (!oldEOFNewline && noNlBeforeAdds && oldStr.length > 0) {\n              // special case: old has no eol and no trailing context; no-nl can end up before adds\n              // however, if the old file is empty, do not output the no-nl line\n              curRange.splice(hunk.oldLines, 0, '\\\\ No newline at end of file');\n            }\n            if ((!oldEOFNewline && !noNlBeforeAdds) || !newEOFNewline) {\n              curRange.push('\\\\ No newline at end of file');\n            }\n          }\n          hunks.push(hunk);\n\n          oldRangeStart = 0;\n          newRangeStart = 0;\n          curRange = [];\n        }\n      }\n      oldLine += lines.length;\n      newLine += lines.length;\n    }\n  }\n\n  return {\n    oldFileName: oldFileName, newFileName: newFileName,\n    oldHeader: oldHeader, newHeader: newHeader,\n    hunks: hunks\n  };\n}\n\nexport function formatPatch(diff) {\n  const ret = [];\n  if (diff.oldFileName == diff.newFileName) {\n    ret.push('Index: ' + diff.oldFileName);\n  }\n  ret.push('===================================================================');\n  ret.push('--- ' + diff.oldFileName + (typeof diff.oldHeader === 'undefined' ? '' : '\\t' + diff.oldHeader));\n  ret.push('+++ ' + diff.newFileName + (typeof diff.newHeader === 'undefined' ? '' : '\\t' + diff.newHeader));\n\n  for (let i = 0; i < diff.hunks.length; i++) {\n    const hunk = diff.hunks[i];\n    // Unified Diff Format quirk: If the chunk size is 0,\n    // the first number is one lower than one would expect.\n    // https://www.artima.com/weblogs/viewpost.jsp?thread=164293\n    if (hunk.oldLines === 0) {\n      hunk.oldStart -= 1;\n    }\n    if (hunk.newLines === 0) {\n      hunk.newStart -= 1;\n    }\n    ret.push(\n      '@@ -' + hunk.oldStart + ',' + hunk.oldLines\n      + ' +' + hunk.newStart + ',' + hunk.newLines\n      + ' @@'\n    );\n    ret.push.apply(ret, hunk.lines);\n  }\n\n  return ret.join('\\n') + '\\n';\n}\n\nexport function createTwoFilesPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options) {\n  return formatPatch(structuredPatch(oldFileName, newFileName, oldStr, newStr, oldHeader, newHeader, options));\n}\n\nexport function createPatch(fileName, oldStr, newStr, oldHeader, newHeader, options) {\n  return createTwoFilesPatch(fileName, fileName, oldStr, newStr, oldHeader, newHeader, options);\n}\n"]}
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