Function isScalar

scripts/nodeWalker.ts:9–12

(u: any)

type GeneralValue = ScalarValue | ScalarValueArray | JSObject | JSObject[];

function isScalar(u: any): u is ScalarValue {
    const tt = typeof u;
    return ['bigint', 'string', 'number', 'boolean', 'undefined'].includes(tt) || u === null;
}

function isArray(u: any): u is (ScalarValueArray | JSObject[]) {
    return u !== null && u !== undefined && Array.isArray(u) && u.length > 0;