isUnstable

Checks if version is major 0, or pre-release. 🏃 📼 📦 🌔 📒

version.isUnstable(x);
// x: a version

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

var x = version.from('1.2');
version.isUnstable(x);
// false

var x = version.from('0.2');
version.isUnstable(x);
// true

var x = version.from('1.2-alpha');
version.isUnstable(x);
// true

references

• Semantic versioning
• semver: @isaacs