relaxed parsing of usercss @version

fixes #821

_locales/de/messages.json

@@ -672,12 +672,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "Ungültige Versionsnummer: Der Wert entspricht nicht dem SemVer Schema: $version$",
+    "message": "Ungültige Versionsnummer"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "Erwarte ein Wort"

_locales/en/messages.json

@@ -916,12 +916,7 @@
     "description": "Error displayed when the protocol of the URL is invalid"
   },
   "meta_invalidVersion": {
-    "message": "Invalid version number. The value doesn't match SemVer pattern: $version$",
+    "message": "Invalid version number",
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    },
     "description": "Error displayed when @version is invalid"
   },
   "meta_invalidWord": {

_locales/es/messages.json

@@ -662,12 +662,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "Número de versión no válido. El valor no coincide con el patrón SemVer: $version$",
+    "message": "Número de versión no válido"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "Se espera una palabra"

_locales/fr/messages.json

@@ -669,12 +669,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "Numéro de version invalide. La valeur ne correspond pas au motif SemVer : $version$",
+    "message": "Numéro de version invalide"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "Mot attendu"

_locales/hu/messages.json

@@ -654,12 +654,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "Érvénytelen verziószám. Az érték nem illeszkedik a SemVer mintájához: $version$",
+    "message": "Érvénytelen verziószám"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "Várt elem: szó"

_locales/ja/messages.json

@@ -684,12 +684,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "不正なバージョン番号。値がバージョン番号のパターンに合っていません: $version$",
+    "message": "不正なバージョン番号"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "単語を入力してください"

_locales/ko/messages.json

@@ -672,12 +672,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "유효하지 않은 버전 숫자입니다. $version$은(는) 유의적 버전 패턴과 일치하지 않습니다.",
+    "message": "유효하지 않은 버전 숫자입니다"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "단어를 입력하세요"

_locales/nl/messages.json

@@ -691,12 +691,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "Ongeldig versienummer. De waarde komt niet overeen met het SemVer-patroon:$version$",
+    "message": "Ongeldig versienummer"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "Woord verwacht"

_locales/pl/messages.json

@@ -719,12 +719,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "Nieprawidłowy numer wersji. Wartość nie pasuje do wzorca SemVer: $version$",
+    "message": "Nieprawidłowy numer wersji"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "Spodziewane słowo"

_locales/ru/messages.json

@@ -675,12 +675,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "Неверный номер версии. Значение не соответствует шаблону SemVer: $version$",
+    "message": "Неверный номер версии"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "Ожидание слова"

_locales/sv/messages.json

@@ -648,12 +648,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "Ogiltigt versionsnummer. Värdet matchar inte SemVer-mönstret: $version$",
+    "message": "Ogiltigt versionsnummer"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "Förvänta dig ett ord"

_locales/zh/messages.json

@@ -725,12 +725,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "无效的版本号. 值与 SemVer 规则不匹配: $version$",
+    "message": "无效的版本号"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "需要一个单词"

_locales/zh_CN/messages.json

@@ -719,12 +719,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "无效的版本号. 值与 SemVer 规则不匹配: $version$",
+    "message": "无效的版本号"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "需要一个单词"

_locales/zh_TW/messages.json

@@ -719,12 +719,7 @@
     }
   },
   "meta_invalidVersion": {
-    "message": "無效的版本號。值不符合 SemVer 模式：$version$",
+    "message": "無效的版本號"
-    "placeholders": {
-      "version": {
-        "content": "$1"
-      }
-    }
   },
   "meta_invalidWord": {
     "message": "預期為單字"

background/update-manager.js

@@ -2,6 +2,7 @@
 /* global RX_META URLS debounce download ignoreChromeError */// toolbox.js
 /* global calcStyleDigest styleJSONseemsValid styleSectionsEqual */ // sections-util.js
 /* global chromeLocal */// storage-util.js
+/* global compareVersion */// cmpver.js
 /* global db */
 /* global prefs */
 'use strict';
@@ -25,10 +26,10 @@ const updateMan = (() => {
   const RH_ETAG = {responseHeaders: ['etag']}; // a hashsum of file contents
   const RX_DATE2VER = new RegExp([
     /^(\d{4})/,
-    /(1(?:0|[12](?=\d\d))?|[2-9])/, // in ambiguous cases like yyyy123 the month will be 1
+    /(0[1-9]|1(?:0|[12](?=\d\d))?|[2-9])/, // in ambiguous cases like yyyy123 the month will be 1
-    /([1-2][0-9]?|3[0-1]?|[4-9])/,
+    /(0[1-9]|[1-2][0-9]?|3[0-1]?|[4-9])/,
-    /\.(0|1[0-9]?|2[0-3]?|[3-9])/,
+    /\.([01][0-9]?|2[0-3]?|[3-9])/,
-    /\.(0|[1-5][0-9]?|[6-9])$/,
+    /\.([0-5][0-9]?|[6-9])$/,
   ].map(rx => rx.source).join(''));
   const ALARM_NAME = 'scheduledUpdate';
   const MIN_INTERVAL_MS = 60e3;
@@ -213,14 +214,8 @@ const updateMan = (() => {
       }
       // TODO: when sourceCode is > 100kB use http range request(s) for version check
       const {headers: {etag}, response} = await tryDownload(style.updateUrl, RH_ETAG);
-      /* There's a bug? in Chrome which occurs only in a packaged crx:
+      const json = await API.usercss.buildMeta({sourceCode: response, etag});
-       * DOM script for semver fires 'load' event before the script actually runs.
+      const delta = compareVersion(json.usercssData.version, ucd.version);
-       * Since the conditions for the bug are rare we'll simply load in parallel */
-      const [json] = await Promise.all([
-        API.usercss.buildMeta({sourceCode: response, etag}),
-        require(['/vendor/semver-bundle/semver']), /* global semverCompare */
-      ]);
-      const delta = semverCompare(json.usercssData.version, ucd.version);
       let err;
       if (!delta && !ignoreDigest) {
         // re-install is invalid in a soft upgrade

install-usercss/install-usercss.js

@@ -56,7 +56,7 @@ setTimeout(() => {
     '/vendor/codemirror/addon/selection/active-line',
     '/vendor/codemirror/lib/codemirror.css',
     '/vendor/codemirror/addon/fold/foldgutter.css',
-    '/vendor/semver-bundle/semver', /* global semverCompare */
+    '/js/cmpver', /* global compareVersion */
     '/js/sections-util', /* global styleCodeEmpty */
     '/js/color/color-converter',
     '/edit/codemirror-default.css',
@@ -89,7 +89,7 @@ setTimeout(() => {
   }
   const data = style.usercssData;
   const dupData = dup && dup.usercssData;
-  const versionTest = dup && semverCompare(data.version, dupData.version);
+  const versionTest = dup && compareVersion(data.version, dupData.version);
 
   updateMeta(style, dup);
 
@@ -144,7 +144,7 @@ function updateMeta(style, dup = installedDup) {
   installedDup = dup;
   const data = style.usercssData;
   const dupData = dup && dup.usercssData;
-  const versionTest = dup && semverCompare(data.version, dupData.version);
+  const versionTest = dup && compareVersion(data.version, dupData.version);
 
   cm.setPreprocessor(data.preprocessor);
 

js/cmpver.js

@@ -0,0 +1,42 @@
+'use strict';
+
+/**
+ Copied from https://github.com/violentmonkey/violentmonkey/blob/master/src/common/util.js
+ A couple of trivial changes: switched to Math.sign, removed the default radix from parseInt
+ */
+
+/* exported compareVersion */
+
+const VERSION_RE = /^(.*?)-([-.0-9a-z]+)|$/i;
+const DIGITS_RE = /^\d+$/; // using regexp to avoid +'1e2' being parsed as 100
+
+/** @return -1 | 0 | 1 */
+function compareVersion(ver1, ver2) {
+  const [, main1 = ver1 || '', pre1] = VERSION_RE.exec(ver1);
+  const [, main2 = ver2 || '', pre2] = VERSION_RE.exec(ver2);
+  const delta = compareVersionChunk(main1, main2)
+    || !pre1 - !pre2 // 1.2.3-pre-release is less than 1.2.3
+    || pre1 && compareVersionChunk(pre1, pre2, true); // if pre1 is present, pre2 is too
+  return Math.sign(delta);
+}
+
+function compareVersionChunk(ver1, ver2, isSemverMode) {
+  const parts1 = ver1.split('.');
+  const parts2 = ver2.split('.');
+  const len1 = parts1.length;
+  const len2 = parts2.length;
+  const len = (isSemverMode ? Math.min : Math.max)(len1, len2);
+  let delta;
+  for (let i = 0; !delta && i < len; i += 1) {
+    const a = parts1[i];
+    const b = parts2[i];
+    if (isSemverMode) {
+      delta = DIGITS_RE.test(a) && DIGITS_RE.test(b)
+        ? a - b
+        : a > b || a < b && -1;
+    } else {
+      delta = (parseInt(a) || 0) - (parseInt(b) || 0);
+    }
+  }
+  return delta || isSemverMode && (len1 - len2);
+}

js/meta-parser.js

@@ -5,6 +5,12 @@ const metaParser = (() => {
   require(['/vendor/usercss-meta/usercss-meta.min']); /* global usercssMeta */
   const {createParser, ParseError} = usercssMeta;
   const PREPROCESSORS = new Set(['default', 'uso', 'stylus', 'less']);
+  /** Relaxed semver:
+   * dot-separated digits sequence e.g. 1 or 1.2 or 1.2.3.4.5
+   * optional pre-release chunk: "-" followed by dot-separated word characters, "-"
+   * optional build chunk: "+" followed by dot-separated word characters, "-"
+   */
+  const RX_VER = /^\d+(\.\d+)*(?:-(\w[-\w]*(\.[-\w]+)*))?(?:\+(\w[-\w]*(\.[-\w]+)*))?$/;
   const options = {
     validateKey: {
       preprocessor: state => {
@@ -16,6 +22,15 @@ const metaParser = (() => {
           });
         }
       },
+      version: state => {
+        if (!RX_VER.test(state.value)) {
+          throw new ParseError({
+            code: 'invalidVersion',
+            message: 'Invalid @version',
+            index: state.valueIndex,
+          });
+        }
+      },
     },
     validateVar: {
       select: state => {

manifest.json

@@ -32,6 +32,7 @@
       "js/storage-util.js",
       "js/sections-util.js",
       "js/worker-util.js",
+      "js/cmpver.js",
 
       "background/common.js",
 

package-lock.json

@@ -14,7 +14,6 @@
         "jsonlint": "^1.6.3",
         "less-bundle": "github:openstyles/less-bundle#v0.1.0",
         "lz-string-unsafe": "^1.4.4-fork-1",
-        "semver-bundle": "^0.1.1",
         "stylelint-bundle": "^13.8.0",
         "stylus-lang-bundle": "github:openstyles/stylus-lang-bundle#v0.54.7",
         "usercss-meta": "^0.10.0",
@@ -644,6 +643,7 @@
         "espree": "7.3.0",
         "esprima": "4.0.1",
         "fluent-syntax": "0.13.0",
+        "fsevents": "2.2.1",
         "glob": "7.1.6",
         "is-mergeable-object": "1.1.1",
         "jed": "1.1.1",
@@ -1853,6 +1853,12 @@
       "engines": [
         "node >=0.10.0"
       ],
+      "dependencies": {
+        "dtrace-provider": "~0.8",
+        "moment": "^2.19.3",
+        "mv": "~2",
+        "safe-json-stringify": "~1"
+      },
       "bin": {
         "bunyan": "bin/bunyan"
       },
@@ -2136,6 +2142,7 @@
       "dependencies": {
         "anymatch": "~3.1.1",
         "braces": "~3.0.2",
+        "fsevents": "~2.3.1",
         "glob-parent": "~5.1.0",
         "is-binary-path": "~2.1.0",
         "is-glob": "~4.0.1",
@@ -4570,6 +4577,9 @@
       "resolved": "https://registry.npmjs.org/jsonfile/-/jsonfile-4.0.0.tgz",
       "integrity": "sha1-h3Gq4HmbZAdrdmQPygWPnBDjPss=",
       "dev": true,
+      "dependencies": {
+        "graceful-fs": "^4.1.6"
+      },
       "optionalDependencies": {
         "graceful-fs": "^4.1.6"
       }
@@ -7009,6 +7019,7 @@
       "integrity": "sha512-ssHt0dkljEDaKmTgQ04DQgx2ag6G2gMPxA5hpcsoeTbfDgRf2fC2gNSRc6kISjD7ckCpHwwQvXxuTBK8402fXg==",
       "dev": true,
       "dependencies": {
+        "encoding": "^0.1.12",
         "minipass": "^3.1.0",
         "minipass-pipeline": "^1.2.2",
         "minipass-sized": "^1.0.3",
@@ -9110,14 +9121,6 @@
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
       "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
     },
-    "node_modules/semver-bundle": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/semver-bundle/-/semver-bundle-0.1.1.tgz",
-      "integrity": "sha512-AXZEjNFlP6BzqRlWQNF3NBGsDw/clPcuUAk1mUl+ypnSplG20CDLQj5ofmaj40vlUHt40duxH3d/x/RXItLAHA==",
-      "dependencies": {
-        "semver": "^5.5.0"
-      }
-    },
     "node_modules/semver-diff": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/semver-diff/-/semver-diff-3.1.1.tgz",
@@ -11267,8 +11270,10 @@
       "integrity": "sha512-9P3MWk6SrKjHsGkLT2KHXdQ/9SNkyoJbabxnKOoJepsvJjJG8uYTR3yTPxPQvNDI3w4Nz1xnE0TLHK4RIVe/MQ==",
       "dev": true,
       "dependencies": {
+        "chokidar": "^3.4.1",
         "graceful-fs": "^4.1.2",
-        "neo-async": "^2.5.0"
+        "neo-async": "^2.5.0",
+        "watchpack-chokidar2": "^2.0.1"
       },
       "optionalDependencies": {
         "chokidar": "^3.4.1",
@@ -11352,6 +11357,7 @@
         "anymatch": "^2.0.0",
         "async-each": "^1.0.1",
         "braces": "^2.3.2",
+        "fsevents": "^1.2.7",
         "glob-parent": "^3.1.0",
         "inherits": "^2.0.3",
         "is-binary-path": "^1.0.0",
@@ -19458,14 +19464,6 @@
       "resolved": "https://registry.npmjs.org/semver/-/semver-5.6.0.tgz",
       "integrity": "sha512-RS9R6R35NYgQn++fkDWaOmqGoj4Ek9gGs+DPxNUZKuwE183xjJroKvyo1IzVFeXvUrvmALy6FWD5xrdJT25gMg=="
     },
-    "semver-bundle": {
-      "version": "0.1.1",
-      "resolved": "https://registry.npmjs.org/semver-bundle/-/semver-bundle-0.1.1.tgz",
-      "integrity": "sha512-AXZEjNFlP6BzqRlWQNF3NBGsDw/clPcuUAk1mUl+ypnSplG20CDLQj5ofmaj40vlUHt40duxH3d/x/RXItLAHA==",
-      "requires": {
-        "semver": "^5.5.0"
-      }
-    },
     "semver-diff": {
       "version": "3.1.1",
       "resolved": "https://registry.npmjs.org/semver-diff/-/semver-diff-3.1.1.tgz",

package.json

@@ -11,7 +11,6 @@
     "jsonlint": "^1.6.3",
     "less-bundle": "github:openstyles/less-bundle#v0.1.0",
     "lz-string-unsafe": "^1.4.4-fork-1",
-    "semver-bundle": "^0.1.1",
     "stylelint-bundle": "^13.8.0",
     "stylus-lang-bundle": "github:openstyles/stylus-lang-bundle#v0.54.7",
     "usercss-meta": "^0.10.0",

tools/build-vendor.js

@@ -44,9 +44,6 @@ const files = {
   'lz-string-unsafe': [
     'lz-string-unsafe.min.js',
   ],
-  'semver-bundle': [
-    'dist/semver.js → semver.js',
-  ],
   'stylelint-bundle': [
     'dist/stylelint-bundle.min.js → stylelint-bundle.min.js',
     'https://github.com/stylelint/stylelint/raw/{VERSION}/LICENSE → LICENSE',

vendor/semver-bundle/LICENSE

@@ -1,15 +0,0 @@
-The ISC License
-
-Copyright (c) Isaac Z. Schlueter and Contributors
-
-Permission to use, copy, modify, and/or distribute this software for any
-purpose with or without fee is hereby granted, provided that the above
-copyright notice and this permission notice appear in all copies.
-
-THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
-WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
-MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
-ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
-WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
-ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR
-IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.

vendor/semver-bundle/README.md

@@ -1,5 +0,0 @@
-## semver-bundle v0.1.1
-
-Following files are copied from npm (node_modules):
-
-* semver.js: dist\semver.js

vendor/semver-bundle/semver.js

@@ -1 +0,0 @@
-var semverCompare=function(){"use strict";var s=256,i=Number.MAX_SAFE_INTEGER||9007199254740991,a=[],e=[],r=0,t=r++;e[t]="0|[1-9]\\d*";var n=r++;e[n]="[0-9]+";var h=r++;e[h]="\\d*[a-zA-Z-][a-zA-Z0-9-]*";var o=r++;e[o]="("+e[t]+")\\.("+e[t]+")\\.("+e[t]+")";var p=r++;e[p]="("+e[n]+")\\.("+e[n]+")\\.("+e[n]+")";var l=r++;e[l]="(?:"+e[t]+"|"+e[h]+")";var c=r++;e[c]="(?:"+e[n]+"|"+e[h]+")";var v=r++;e[v]="(?:-("+e[l]+"(?:\\."+e[l]+")*))";var f=r++;e[f]="(?:-?("+e[c]+"(?:\\."+e[c]+")*))";var m=r++;e[m]="[0-9A-Za-z-]+";var u=r++;e[u]="(?:\\+("+e[m]+"(?:\\."+e[m]+")*))";var g=r++,w="v?"+e[o]+e[v]+"?"+e[u]+"?";e[g]="^"+w+"$";var d="[v=\\s]*"+e[p]+e[f]+"?"+e[u]+"?",$=r++;e[$]="^"+d+"$";var y=r++;e[y]="((?:<|>)?=?)";var E=r++;e[E]=e[n]+"|x|X|\\*";var j=r++;e[j]=e[t]+"|x|X|\\*";var b=r++;e[b]="[v=\\s]*("+e[j]+")(?:\\.("+e[j]+")(?:\\.("+e[j]+")(?:"+e[v]+")?"+e[u]+"?)?)?";var k=r++;e[k]="[v=\\s]*("+e[E]+")(?:\\.("+e[E]+")(?:\\.("+e[E]+")(?:"+e[f]+")?"+e[u]+"?)?)?",e[r++]="^"+e[y]+"\\s*"+e[b]+"$",e[r++]="^"+e[y]+"\\s*"+e[k]+"$",e[r++]="(?:^|[^\\d])(\\d{1,16})(?:\\.(\\d{1,16}))?(?:\\.(\\d{1,16}))?(?:$|[^\\d])";var T=r++;e[T]="(?:~>?)";var x=r++;e[x]="(\\s*)"+e[T]+"\\s+",a[x]=new RegExp(e[x],"g"),e[r++]="^"+e[T]+e[b]+"$",e[r++]="^"+e[T]+e[k]+"$";var I=r++;e[I]="(?:\\^)";var A=r++;e[A]="(\\s*)"+e[I]+"\\s+",a[A]=new RegExp(e[A],"g"),e[r++]="^"+e[I]+e[b]+"$",e[r++]="^"+e[I]+e[k]+"$",e[r++]="^"+e[y]+"\\s*("+d+")$|^$",e[r++]="^"+e[y]+"\\s*("+w+")$|^$";var R=r++;e[R]="(\\s*)"+e[y]+"\\s*("+d+"|"+e[b]+")",a[R]=new RegExp(e[R],"g"),e[r++]="^\\s*("+e[b]+")\\s+-\\s+("+e[b]+")\\s*$",e[r++]="^\\s*("+e[k]+")\\s+-\\s+("+e[k]+")\\s*$",e[r++]="(<|>)?=?\\s*\\*";for(var N=0;N<35;N++)a[N]||(a[N]=new RegExp(e[N]));function z(e,r){if(e instanceof z){if(e.loose===r)return e;e=e.version}else if("string"!=typeof e)throw new TypeError("Invalid Version: "+e);if(e.length>s)throw new TypeError("version is longer than "+s+" characters");if(!(this instanceof z))return new z(e,r);this.loose=r;var t=e.trim().match(r?a[$]:a[g]);if(!t)throw new TypeError("Invalid Version: "+e);if(this.raw=e,this.major=+t[1],this.minor=+t[2],this.patch=+t[3],this.major>i||this.major<0)throw new TypeError("Invalid major version");if(this.minor>i||this.minor<0)throw new TypeError("Invalid minor version");if(this.patch>i||this.patch<0)throw new TypeError("Invalid patch version");t[4]?this.prerelease=t[4].split(".").map(function(e){if(/^[0-9]+$/.test(e)){var r=+e;if(0<=r&&r<i)return r}return e}):this.prerelease=[],this.build=t[5]?t[5].split("."):[],this.format()}z.prototype.format=function(){return this.version=this.major+"."+this.minor+"."+this.patch,this.prerelease.length&&(this.version+="-"+this.prerelease.join(".")),this.version},z.prototype.toString=function(){return this.version},z.prototype.compare=function(e){return e instanceof z||(e=new z(e,this.loose)),this.compareMain(e)||this.comparePre(e)},z.prototype.compareMain=function(e){return e instanceof z||(e=new z(e,this.loose)),X(this.major,e.major)||X(this.minor,e.minor)||X(this.patch,e.patch)},z.prototype.comparePre=function(e){if(e instanceof z||(e=new z(e,this.loose)),this.prerelease.length&&!e.prerelease.length)return-1;if(!this.prerelease.length&&e.prerelease.length)return 1;if(!this.prerelease.length&&!e.prerelease.length)return 0;var r=0;do{var t=this.prerelease[r],s=e.prerelease[r];if(void 0===t&&void 0===s)return 0;if(void 0===s)return 1;if(void 0===t)return-1;if(t!==s)return X(t,s)}while(++r)},z.prototype.inc=function(e,r){switch(e){case"premajor":this.prerelease.length=0,this.patch=0,this.minor=0,this.major++,this.inc("pre",r);break;case"preminor":this.prerelease.length=0,this.patch=0,this.minor++,this.inc("pre",r);break;case"prepatch":this.prerelease.length=0,this.inc("patch",r),this.inc("pre",r);break;case"prerelease":0===this.prerelease.length&&this.inc("patch",r),this.inc("pre",r);break;case"major":0===this.minor&&0===this.patch&&0!==this.prerelease.length||this.major++,this.minor=0,this.patch=0,this.prerelease=[];break;case"minor":0===this.patch&&0!==this.prerelease.length||this.minor++,this.patch=0,this.prerelease=[];break;case"patch":0===this.prerelease.length&&this.patch++,this.prerelease=[];break;case"pre":if(0===this.prerelease.length)this.prerelease=[0];else{for(var t=this.prerelease.length;0<=--t;)"number"==typeof this.prerelease[t]&&(this.prerelease[t]++,t=-2);-1===t&&this.prerelease.push(0)}r&&(this.prerelease[0]===r?isNaN(this.prerelease[1])&&(this.prerelease=[r,0]):this.prerelease=[r,0]);break;default:throw new Error("invalid increment argument: "+e)}return this.format(),this.raw=this.version,this};var M=/^[0-9]+$/;function X(e,r){var t=M.test(e),s=M.test(r);return t&&s&&(e=+e,r=+r),t&&!s?-1:s&&!t?1:e<r?-1:r<e?1:0}return function(e,r,t){return new z(e,t).compare(new z(r,t))}}();