@extra-version/is-equal v1.0.15

Checks if two versions are equal. :running: :package: :ledger:

This is part of package extra-version.

version.isEqual(x, y, [fc], [fm]);
// x:  an version
// y:  another version
// fc: compare function (a, b)
// fm: map function (v, i, x)

const version = require('extra-version');

var x = version.from('1.2');
var y = version.from('1.2.3');
version.isEqual(x, y);
// false

var y = version.from('1.2.0');
version.isEqual(x, y);
// true

var x = version.from('1.2-alpha');
var y = version.from('1.2-1');
version.isEqual(x, y, null, v => v==='alpha'? '1':v);
// true  (mapped alpha=1)

references

• Semantic versioning
• semver: @isaacs
• semver-compare: @substack
• String.prototype.localeCompare: MDN web docs
• string::compare: cplusplus
• String.Compare: .NET