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16 |
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17 | require('core-js/es6/string');
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18 |
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19 | var semverRegEx = /^(\d+)(?:\.(\d+)(?:\.(\d+)(?:-([\da-z-]+(?:\.[\da-z-]+)*)(?:\+([\da-z-]+(?:\.[\da-z-]+)*))?)?)?)?$/i;
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20 | var numRegEx = /^\d+$/;
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21 |
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22 | function toInt(num) {
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23 | return parseInt(num, 10);
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24 | }
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25 |
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26 | function parseSemver(v) {
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27 | var semver = v.match(semverRegEx);
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28 | if (!semver)
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29 | return {
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30 | tag: v
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31 | };
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32 | else
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33 | return {
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34 | major: toInt(semver[1]),
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35 | minor: toInt(semver[2]),
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36 | patch: toInt(semver[3]),
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37 | pre: semver[4] && semver[4].split('.')
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38 | };
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39 | }
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40 |
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41 | var parts = ['major', 'minor', 'patch'];
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42 | function semverCompareParsed(v1, v2, edge) {
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43 |
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44 | if (v1.tag && v2.tag)
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45 | return 0;
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46 |
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47 |
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48 | if (v1.tag)
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49 | return -1;
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50 | if (v2.tag)
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51 | return 1;
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52 |
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53 |
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54 | for (var i = 0; i < parts.length; i++) {
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55 | var part = parts[i];
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56 | var part1 = v1[part];
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57 | var part2 = v2[part];
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58 | if (part1 === part2)
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59 | continue;
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60 | if (isNaN(part1))
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61 | return -1;
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62 | if (isNaN(part2))
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63 | return 1;
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64 | return part1 > part2 ? 1 : -1;
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65 | }
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66 |
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67 | if (!v1.pre && !v2.pre)
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68 | return 0;
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69 |
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70 | if (!v1.pre)
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71 | return edge ? 0 : 1;
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72 | if (!v2.pre)
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73 | return -1;
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74 |
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75 |
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76 | for (var j = 0, l = Math.min(v1.pre.length, v2.pre.length); j < l; j++) {
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77 | if (v1.pre[j] === v2.pre[j])
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78 | continue;
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79 |
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80 | var isNum1 = v1.pre[j].match(numRegEx);
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81 | var isNum2 = v2.pre[j].match(numRegEx);
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82 |
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83 |
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84 | if (isNum1 && !isNum2)
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85 | return -1;
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86 | if (isNum2 && !isNum1)
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87 | return 1;
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88 |
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89 |
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90 | if (isNum1 && isNum2)
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91 | return toInt(v1.pre[j]) > toInt(v2.pre[j]) ? 1 : -1;
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92 | else
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93 | return v1.pre[j] > v2.pre[j] ? 1 : -1;
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94 | }
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95 |
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96 | if (v1.pre.length === v2.pre.length)
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97 | return 0;
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98 |
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99 |
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100 | return v1.pre.length > v2.pre.length ? 1 : -1;
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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 | function matchParsed(range, version, edge) {
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108 | var rangeVersion = range.version;
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109 |
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110 | if (rangeVersion.tag)
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111 | return rangeVersion.tag === version.tag;
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112 |
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113 |
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114 | if (semverCompareParsed(rangeVersion, version, edge) === 1)
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115 | return false;
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116 |
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117 |
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118 | if (isNaN(version.minor) || isNaN(version.patch))
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119 | return false;
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120 |
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121 |
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122 |
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123 | if (version.pre) {
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124 | if (!edge &&
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125 | !(rangeVersion.major === version.major &&
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126 | rangeVersion.minor === version.minor &&
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127 | rangeVersion.patch === version.patch))
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128 | return false;
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129 | return range.semver || range.fuzzy || rangeVersion.pre && rangeVersion.pre.join('.') === version.pre.join('.');
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130 | }
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131 |
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132 |
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133 | if (range.semver) {
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134 |
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135 | if (rangeVersion.major === 0 && isNaN(rangeVersion.minor))
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136 | return version.major < 1;
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137 |
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138 | else if (rangeVersion.major >= 1)
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139 | return rangeVersion.major === version.major;
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140 |
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141 | else if (rangeVersion.minor >= 1)
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142 | return version.major === 0 && rangeVersion.minor === version.minor;
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143 |
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144 | }
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145 |
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146 |
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147 | if (range.fuzzy)
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148 | return version.major === rangeVersion.major && version.minor <= rangeVersion.minor;
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149 |
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150 |
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151 |
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152 | return !rangeVersion.pre && rangeVersion.major === version.major && rangeVersion.minor === version.minor && rangeVersion.patch === version.patch;
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153 | }
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154 |
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155 |
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156 |
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157 |
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158 |
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159 |
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160 | function parseRange(range) {
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161 | var rangeObj = {};
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162 |
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163 | ((rangeObj.semver = range.startsWith('^')) ||
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164 | (rangeObj.fuzzy = range.startsWith('~'))
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165 | ) && (range = range.substr(1));
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166 |
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167 | var rangeVersion = rangeObj.version = parseSemver(range);
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168 |
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169 | if (rangeVersion.tag)
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170 | return rangeObj;
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171 |
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172 |
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173 | if (!rangeObj.fuzzy && !rangeObj.semver && (isNaN(rangeVersion.minor) || isNaN(rangeVersion.patch)))
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174 | rangeObj.fuzzy = true;
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175 |
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176 |
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177 | if (rangeObj.fuzzy && isNaN(rangeVersion.minor)) {
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178 | rangeObj.semver = true;
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179 | rangeObj.fuzzy = false;
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180 | }
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181 |
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182 |
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183 | if (rangeObj.semver && rangeObj.major === 0 && !isNaN(rangeVersion.minor) && isNaN(rangeVersion.patch)) {
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184 | rangeObj.semver = false;
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185 | rangeObj.fuzzy = true;
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186 | }
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187 |
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188 | return rangeObj;
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189 | }
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190 |
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191 | exports.semverRegEx = semverRegEx;
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192 |
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193 | exports.compare = function(v1, v2) {
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194 | return semverCompareParsed(parseSemver(v1), parseSemver(v2));
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195 | };
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196 |
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197 | exports.match = function match(range, version) {
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198 |
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199 |
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200 | if (range === '' || range === '*')
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201 | return true;
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202 | return matchParsed(parseRange(range), parseSemver(version));
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203 | };
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204 |
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205 | exports.matchUnstable = function match(range, version) {
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206 |
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207 |
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208 | if (range === '' || range === '*')
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209 | return true;
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210 | return matchParsed(parseRange(range), parseSemver(version), true);
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211 | };
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