Function useBoolean

docs/app/js/sanddance-app.js:34554–34584

(initialState)

var _react = require("react");
var _useConst = require("./useConst");
function useBoolean(initialState) {
    var _a = _react.useState(initialState), value = _a[0], setValue = _a[1];
    // Storing the value in a ref is redundant but allows the `toggle` callback to have a
    // constant identity, which overall is probably better for consumers' perf.
    var valueRef = _react.useRef(value);
    var setTrue = (0, _useConst.useConst)(function() {
        return function() {
            setValue(true);
            valueRef.current = true;
        };
    });
    var setFalse = (0, _useConst.useConst)(function() {
        return function() {
            setValue(false);
            valueRef.current = false;
        };
    });
    var toggle = (0, _useConst.useConst)(function() {
        return function() {
            return valueRef.current ? setFalse() : setTrue();
        };
    });
    return [
        value,
        {
            setTrue: setTrue,
            setFalse: setFalse,
            toggle: toggle
        }
    ];
}

},{"react":"8ePka","./useConst":"jDC9C","@parcel/transformer-js/src/esmodule-helpers.js":"jA2du"}],"gh9LV":[function(require,module,exports) {
var parcelHelpers = require("@parcel/transformer-js/src/esmodule-helpers.js");