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SEMVER CHEATSHEET

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SEMVER

Given a version number MAJOR.MINOR.PATCH:

MAJOR incompatible API changes MINOR add functionality (backwards-compatible)
PATCH bug fixes (backwards-compatible)


SIMPLE RANGES

  1.2.3
 =1.2.3
 >1.2.3
 <1.2.3
>=1.2.3


Note that suffixed versions (1.2.3-rc1) are not matched.


RANGES

Range Description Notes ~1.2.3 is >=1.2.3 <1.3.0   ^1.2.3 is >=1.2.3 <2.0.0  
^0.2.3 is >=0.2.3 <0.3.0 (0.x.x is special) ^0.0.1 is =0.0.1 (0.0.x is special)
^1.2 is >=1.2.0 <2.0.0 (like ^1.2.0) ~1.2 is >=1.2.0 <1.3.0 (like ~1.2.0) ^1 is
>=1.0.0 <2.0.0   ~1 same   1.x same   1.* same   1 same   * any version   x same
 


HYPHENATED RANGES

Range Description 1.2.3 - 2.3.4 is >=1.2.3 <=2.3.4

PARTIAL RIGHT

Range Description 1.2.3 - 2.3 is >=1.2.3 <2.4.0 1.2.3 - 2 is >=1.2.3 <3.0.0

PARTIAL LEFT

Range Description 1.2 - 2.3.0 is 1.2.0 - 2.3.0

When the right is partial (eg, 2.3), missing pieces are assumed to be x (eg,
2.3.x).

When the left is partial (eg, 1.2), missing pieces are assumed to be 0 (eg,
1.2.0).


COMBINING RANGES

Range Description >=0.14 <16 And (space-separated) 0.14.x || 15.x.x Or
(pipe-separated)


PRE-RELEASES

1.2.3-prerelease+build



EXPLANATION

^ means “compatible with” ~ means “reasonably close to” 0.x.x is for “initial
development” 1.x.x means public API is defined


#REFERENCES

 * https://semver.org/
 * https://docs.npmjs.com/misc/semver


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