akoSalman

function noToken() {
    return typeof rubika_token === typeof undefined;
}

function hasRubikaToken() {
    return !noToken();
}

function isFromRubika() {
    return !notRubika();

akoSalman

...
"require": {
    "vendor/package": "1.3.2", // exactly 1.3.2 (exact)

    // >, <, >=, <= | specify upper / lower bounds
    "vendor/package": ">=1.3.2", // anything above or equal to 1.3.2
    "vendor/package": "<1.3.2", // anything below 1.3.2

 // * | wildcard