schoolx-ota-manager/lib/utils/VersionChecker.js

React Native library for managing OTA updates with GitLab integration

export class VersionChecker {
    static compareVersions(version1, version2) {
        const v1 = version1.split('.').map(Number);
        const v2 = version2.split('.').map(Number);
        for (let i = 0; i < Math.max(v1.length, v2.length); i++) {
            const num1 = v1[i] || 0;
            const num2 = v2[i] || 0;
            if (num1 > num2)
                return 1;
            if (num1 < num2)
                return -1;
        }
        return 0;
    }
    static satisfiesRange(appVersion, targetVersion) {
        if (!targetVersion.match(/^[<>=]/)) {
            return this.compareVersions(appVersion, targetVersion) === 0;
        }
        const match = targetVersion.match(/^([<>=]+)(.+)$/);
        if (!match)
            return false;
        const [_, operator, version] = match;
        const comparison = this.compareVersions(appVersion, version);
        switch (operator) {
            case '>': return comparison > 0;
            case '>=': return comparison >= 0;
            case '<': return comparison < 0;
            case '<=': return comparison <= 0;
            default: return false;
        }
    }
    static isCompatible(appVersion, targetVersion, buildNumber, installedBuildNumber, enabled) {
        return (this.satisfiesRange(appVersion, targetVersion) &&
            buildNumber > installedBuildNumber &&
            enabled);
    }
}
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