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78 lines
1.0 KiB
Markdown
78 lines
1.0 KiB
Markdown
# semver-compare
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compare two semver version strings, returning -1, 0, or 1
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The return value can be fed straight into `[].sort`.
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[](http://travis-ci.org/substack/semver-compare)
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# example
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``` js
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var cmp = require('semver-compare');
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var versions = [
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'1.2.3',
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'4.11.6',
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'4.2.0',
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'1.5.19',
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'1.5.5',
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'4.1.3',
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'2.3.1',
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'10.5.5',
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'11.3.0'
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];
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console.log(versions.sort(cmp).join('\n'));
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```
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prints:
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```
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1.2.3
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1.5.5
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1.5.19
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2.3.1
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4.1.3
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4.2.0
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4.11.6
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10.5.5
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11.3.0
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```
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whereas the default lexicographic sort (`versions.sort()`) would be:
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```
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1.2.3
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1.5.19
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1.5.5
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10.5.5
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11.3.0
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2.3.1
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4.1.3
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4.11.6
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4.2.0
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```
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# methods
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```
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var cmp = require('semver-compare')
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```
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## cmp(a, b)
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If the semver string `a` is greater than `b`, return `1`.
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If the semver string `b` is greater than `a`, return `-1`.
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If `a` equals `b`, return 0;
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# install
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With [npm](https://npmjs.org) do:
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```
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npm install semver-compare
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```
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# license
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MIT
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