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2461ff762c
We can no longer treat the version like a Number, since `0.10` gets represented as `0.1`.
35 lines
919 B
JavaScript
35 lines
919 B
JavaScript
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/**
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* Helper functions for parsing and testing node versions.
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* Just plain `parseFloat` doesn't work in case there's ever a "x.10" release,
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* which would be parsed as x.1 when represented as a Number.
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*/
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var regexp = /^(\d+)\.(\d+)/
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/**
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* Accepts a String like "v0.10.4" and returns a String
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* containing the major and minor versions ("0.10").
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*/
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exports.parse = function parse (str) {
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str = String(str)
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if (str[0] === 'v') {
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str = str.substring(1)
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}
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return str.match(regexp)[0]
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}
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/**
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* Accepts a major-minor version string (from `parseVersion`) and a major
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* and minor Number value to test that the given version is less that the
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* specified version. Returns true or false.
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*/
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exports.lessThan = function lessThan (ver, major, minor) {
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var exec = regexp.exec(ver)
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, inMaj = parseInt(exec[1])
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, inMin = parseInt(exec[2])
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if (inMaj > major) return false
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return inMin < minor
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}
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