@snyk/ruby-semver/dist/comparison.js

node-semver compatible API with RubyGems semantics

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
const gem_version_1 = require("./ruby/gem-version");
function gt(v1, v2) {
    return compare(v1, v2) > 0;
}
exports.gt = gt;
function gte(v1, v2) {
    return compare(v1, v2) >= 0;
}
exports.gte = gte;
function lt(v1, v2) {
    return compare(v1, v2) < 0;
}
exports.lt = lt;
function lte(v1, v2) {
    return compare(v1, v2) <= 0;
}
exports.lte = lte;
function eq(v1, v2) {
    return compare(v1, v2) === 0;
}
exports.eq = eq;
function neq(v1, v2) {
    return !eq(v1, v2);
}
exports.neq = neq;
function _strictEq(v1, v2) {
    return gem_version_1.GemVersion.create(v1).isIdentical(gem_version_1.GemVersion.create(v2));
}
function _strictNeq(v1, v2) {
    return !_strictEq(v1, v2);
}
function cmp(v1, comparator, v2) {
    switch (comparator) {
        case '>':
            return gt(v1, v2);
        case '>=':
            return gte(v1, v2);
        case '<':
            return lt(v1, v2);
        case '<=':
            return lte(v1, v2);
        case '==':
            return eq(v1, v2);
        case '!=':
            return neq(v1, v2);
        case '===':
            return _strictEq(v1, v2);
        case '!==':
            return _strictNeq(v1, v2);
        default:
            throw new Error(`Invalid comparator: ${comparator}`);
    }
}
exports.cmp = cmp;
function compare(v1, v2) {
    return gem_version_1.GemVersion.create(v1).compare(gem_version_1.GemVersion.create(v2));
}
exports.compare = compare;
function rcompare(v1, v2) {
    return gem_version_1.GemVersion.create(v2).compare(gem_version_1.GemVersion.create(v1));
}
exports.rcompare = rcompare;
function diff(v1, v2) {
    if (eq(v1, v2)) {
        return null;
    }
    const version1 = gem_version_1.GemVersion.create(v1);
    const version2 = gem_version_1.GemVersion.create(v2);
    let hasPrerelease;
    const segments = [version1.getSegments(), version2.getSegments()]
        .map((seg) => {
        const prereleaseIndex = seg.findIndex((v) => String(v).match(/[a-zA-Z]/));
        if (prereleaseIndex === -1) {
            return seg;
        }
        hasPrerelease = true;
        return seg.slice(0, prereleaseIndex);
    })
        .sort((a, b) => b.length - a.length);
    const diffPosition = segments[0].findIndex((v, i) => v !== segments[1][i]);
    if (diffPosition === -1 && hasPrerelease) {
        return 'prerelease';
    }
    const diffType = ['major', 'minor'][diffPosition] || 'patch';
    return (hasPrerelease ? 'pre' : '') + diffType;
}
exports.diff = diff;
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