@mulrajgupta208/release-it-calver-plugin/calver-plugin.js

Calender Versioning (calver) plugin for Release It!

'use strict';

import { Plugin } from 'release-it';
import calver from 'calver';

const DEFAULT_FORMAT = 'yy.mm.minor';
const DEFAULT_INCREMENT = 'calendar';
const FALLBACK_INCREMENT = 'minor';

class CalverPlugin extends Plugin {

    getFormat() {
        return this.getContext().format || DEFAULT_FORMAT;
    }

    getInc() {
        return this.getContext().increment || DEFAULT_INCREMENT;
    }

    getFallbackInc() {
        return this.getContext().fallbackIncrement || FALLBACK_INCREMENT;
    }

    /**
     * Normalize version by stripping leading zeros from numeric parts
     * Example: '2025.07.15.0.0' -> '2025.7.15.0.0'
     */
    normalizeVersion(version) {
        if (!version) return version;

        const [main, prerelease] = version.split('-'); // separate prerelease if present

        const normalizedMain = main
          .split('.')
          .map((part) => String(Number(part))) // removes leading 0s safely
          .join('.');

        return prerelease ? `${normalizedMain}-${prerelease}` : normalizedMain;
    }

    getIncrementedVersion(args = {}) {
        const { latestVersion } = args;
        const format = this.getFormat();
        const inc = this.getInc();
        const fallbackInc = this.getFallbackInc();
        const normalizedVersion = this.normalizeVersion(latestVersion);

        try {
            return calver.inc(format, normalizedVersion, inc);
        } catch {
            try {
                return calver.inc(format, normalizedVersion, fallbackInc);
            } catch {
                return latestVersion;
            }
        }
    }

    getIncrementedVersionCI(...args) {
        return this.getIncrementedVersion(...args);
    }

    getIncrement(...args) {
        return this.getIncrementedVersion(...args);
    }
}

export default CalverPlugin;