1 | 'use strict';
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2 |
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3 | var semver = require('semver');
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4 |
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6 |
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7 |
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8 |
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9 | Object.keys(semver).forEach(function introduce(method) {
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10 | exports[method] = semver[method];
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11 | });
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12 |
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14 |
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17 |
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18 |
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19 |
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20 | exports.prerelease = function prerelease(version) {
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21 | var parsed = semver.parse(version);
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22 |
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23 | return parsed
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24 | && parsed.prerelease
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25 | && parsed.prerelease.length;
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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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33 |
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35 |
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36 |
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37 | exports.maxSatisfying = function maxSatisfying(versions, range, strict) {
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38 |
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39 |
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40 |
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41 | versions = versions.filter(function filter (version) {
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42 | return semver.valid(version);
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43 | });
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44 |
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45 | range = typeof range === 'string'
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46 | ? range.trim()
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47 | : range;
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48 |
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49 |
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50 |
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51 |
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52 | if (semver.valid(range) && ~versions.indexOf(range)) {
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53 | return range;
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54 | }
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55 |
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56 | if (strict && (!range || range === '*')) {
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57 | var version = semver.maxSatisfying(versions.map(function map(version) {
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58 | return !exports.prerelease(version) ? version : null;
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59 | }), range);
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60 |
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61 | if (version) return version;
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62 | }
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63 |
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64 | return semver.maxSatisfying(versions, range);
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65 | };
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