package.lib.esm.utils.js Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of compare-versions Show documentation

Compare semver version strings to find greater, equal or lesser.

The newest version!

export const semver = /^[v^~<>=]*?(\d+)(?:\.([x*]|\d+)(?:\.([x*]|\d+)(?:\.([x*]|\d+))?(?:-([\da-z\-]+(?:\.[\da-z\-]+)*))?(?:\+[\da-z\-]+(?:\.[\da-z\-]+)*)?)?)?$/i;
export const validateAndParse = (version) => {
    if (typeof version !== 'string') {
        throw new TypeError('Invalid argument expected string');
    }
    const match = version.match(semver);
    if (!match) {
        throw new Error(`Invalid argument not valid semver ('${version}' received)`);
    }
    match.shift();
    return match;
};
const isWildcard = (s) => s === '*' || s === 'x' || s === 'X';
const tryParse = (v) => {
    const n = parseInt(v, 10);
    return isNaN(n) ? v : n;
};
const forceType = (a, b) => typeof a !== typeof b ? [String(a), String(b)] : [a, b];
const compareStrings = (a, b) => {
    if (isWildcard(a) || isWildcard(b))
        return 0;
    const [ap, bp] = forceType(tryParse(a), tryParse(b));
    if (ap > bp)
        return 1;
    if (ap < bp)
        return -1;
    return 0;
};
export const compareSegments = (a, b) => {
    for (let i = 0; i < Math.max(a.length, b.length); i++) {
        const r = compareStrings(a[i] || '0', b[i] || '0');
        if (r !== 0)
            return r;
    }
    return 0;
};
//# sourceMappingURL=utils.js.map