react-tri-state-checkbox
Version:
Mixed-state checkbox for React
57 lines • 2.18 kB
JavaScript
;
var __read = (this && this.__read) || function (o, n) {
var m = typeof Symbol === "function" && o[Symbol.iterator];
if (!m) return o;
var i = m.call(o), r, ar = [], e;
try {
while ((n === void 0 || n-- > 0) && !(r = i.next()).done) ar.push(r.value);
}
catch (error) { e = { error: error }; }
finally {
try {
if (r && !r.done && (m = i["return"])) m.call(i);
}
finally { if (e) throw e.error; }
}
return ar;
};
var __importStar = (this && this.__importStar) || function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (Object.hasOwnProperty.call(mod, k)) result[k] = mod[k];
result["default"] = mod;
return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var react_1 = __importStar(require("react"));
exports.CheckboxContext = react_1.default.createContext({
activeChildren: [],
setActiveChildren: function (s) { return s; },
setActiveState: function (s) { return s; },
controls: [],
});
var TriStateContext = function (_a) {
var controls = _a.controls, children = _a.children;
var _b = __read(react_1.useState(), 2), activeState = _b[0], setActiveState = _b[1];
var _c = __read(react_1.useState(controls.map(function () { return false; })), 2), activeChildren = _c[0], setActiveChildren = _c[1];
react_1.useEffect(function () {
if (activeChildren.every(function (state) { return !state; })) {
setActiveState(false);
}
else if (activeChildren.every(function (state) { return state; })) {
setActiveState(true);
}
else {
setActiveState('mixed');
}
}, [activeChildren]);
return (react_1.default.createElement(exports.CheckboxContext.Provider, { value: {
activeChildren: activeChildren,
setActiveChildren: setActiveChildren,
activeState: activeState,
setActiveState: setActiveState,
controls: controls,
} }, children));
};
exports.default = TriStateContext;
//# sourceMappingURL=TriStateContext.js.map