"readme":"semver(1) -- The semantic versioner for npm\n===========================================\n\n## Usage\n\n $ npm install semver\n\n semver.valid('1.2.3') // '1.2.3'\n semver.valid('a.b.c') // null\n semver.clean(' =v1.2.3 ') // '1.2.3'\n semver.satisfies('1.2.3', '1.x || >=2.5.0 || 5.0.0 - 7.2.3') // true\n semver.gt('1.2.3', '9.8.7') // false\n semver.lt('1.2.3', '9.8.7') // true\n\nAs a command-line utility:\n\n $ semver -h\n\n Usage: semver <version> [<version> [...]] [-r <range> | -i <inc> | --preid <identifier> | -l | -rv]\n Test if version(s) satisfy the supplied range(s), and sort them.\n\n Multiple versions or ranges may be supplied, unless increment\n option is specified. In that case, only a single version may\n be used, and it is incremented by the specified level\n\n Program exits successfully if any valid version satisfies\n all supplied ranges, and prints all satisfying versions.\n\n If no versions are valid, or ranges are not satisfied,\n then exits failure.\n\n Versions are printed in ascending order, so supplying\n multiple versions to the utility will just sort them.\n\n## Versions\n\nA \"version\" is described by the `v2.0.0` specification found at\n<http://semver.org/>.\n\nA leading `\"=\"` or `\"v\"` character is stripped off and ignored.\n\n## Ranges\n\nA `version range` is a set of `comparators` which specify versions\nthat satisfy the range.\n\nA `comparator` is composed of an `operator` and a `version`. The set\nof primitive `operators` is:\n\n* `<` Less than\n* `<=` Less than or equal to\n* `>` Greater than\n* `>=` Greater than or equal to\n* `=` Equal. If no operator is specified, then equality is assumed,\n so this operator is optional, but MAY be included.\n\nFor example, the comparator `>=1.2.7` would match the versions\n`1.2.7`, `1.2.8`, `2.5.3`, and `1.3.9`, but not the versions `1.2.6`\nor `1.1.0`.\n\nComparators can be joined by whitespace to form a `comparator set`,\nwhich is satisfied by the **intersection** of all of the comparators\nit includes.\n\nA range is composed of one or more comparator sets, joined by `||`. A\nversion matches a range if and only if every comparator in at least\none of the `||`-separated comparator sets is satisfied by the version.\n\nFor example, the range `>=1.2.7 <1.3.0` would match the versions\n`1.2.7`, `1.2.8`, and `1.2.99`, but not the versions `1.2.6`, `1.3.0`,\nor `1.1.0`.\n\nThe range `1.2.7 || >=1.2.9 <2.0.0` would match the versions `1.2.7`,\n`1.2.9`, and `1.4.6`, but not the versions `1.2.8` or `2.0.0`.\n\n### Prerelease Tags\n\nIf a version has a prerelease tag (for example, `1.2.3-alpha.3`) then\nit will only be allowed to satisfy comparator sets if at least one\ncomparator with the same `[major, minor, patch]` tuple also has a\nprerelease tag.\n\nFor example, the range `>1.2.3-alpha.3` would be allowed to match the\nversion `1.2.3-alpha.7`, but it would *not* be satisfied by\n`3.4.5-alpha.9`, even though `3.4.5-alpha.9` is technically \"greater\nthan\"`1.2.3-alpha.3`accordingtotheSemVersortrules.Theversion\nrangeonlyacceptsprereleasetagsonthe`1.2.3`version.The\nversion`3.4.5`*would*satisfytherange,becauseitdoesnothavea\nprereleaseflag,and`3.4.5`isgreaterthan`1.2.3-alpha.7`.\n\nThepurposeforthisbehavioristwofold.First,prereleaseversions\nfrequentlyareupdatedveryquickly,andcontainmanybreakingchanges\nthatare(bytheauthor'sdesign)notyetfitforpublicconsumption.\nTherefore,bydefault,theyareexcludedfromrangematching\nsemantics.\n\nSecond,auserwhohasoptedintousingaprereleaseversionhas\nclearlyindicatedtheintenttouse*thatspecific*setof\nalpha/beta/rcversions.Byincludingaprereleasetagintherange,\ntheuserisindicatingthattheyareawareoftherisk.However,it\nisstillnotappropriatetoassumethattheyhaveoptedintotakinga\nsimilarriskonthe*next*setofprereleaseversions.\n\n####PrereleaseIdentifiers\n\nThemethod`.inc`takesanadditional`identifier`st