@fast-check/poisoning/lib/internals/PoisoningFreeSet.js

Set of utilities to ease detection and revert of poisoning

const SSet = Set;
const safeSetAdd = Set.prototype.add;
const safeSetHas = Set.prototype.has;
const safeObjectDefineProperty = Object.defineProperty;
export const AddSymbol = Symbol('safe.add');
export const HasSymbol = Symbol('safe.has');
function toPoisoningFreeSet(instance) {
    safeObjectDefineProperty(instance, AddSymbol, {
        value: safeSetAdd,
        configurable: false,
        enumerable: false,
        writable: false,
    });
    safeObjectDefineProperty(instance, HasSymbol, {
        value: safeSetHas,
        configurable: false,
        enumerable: false,
        writable: false,
    });
    return instance;
}
export const PoisoningFreeSet = {
    from(ins) {
        return toPoisoningFreeSet(new SSet(ins));
    },
};