recoil-toolkit
Version:
129 lines • 6.42 kB
JavaScript
;
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
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 __spreadArray = (this && this.__spreadArray) || function (to, from, pack) {
if (pack || arguments.length === 2) for (var i = 0, l = from.length, ar; i < l; i++) {
if (ar || !(i in from)) {
if (!ar) ar = Array.prototype.slice.call(from, 0, i);
ar[i] = from[i];
}
}
return to.concat(ar || Array.prototype.slice.call(from));
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.createFork = void 0;
var _core_1 = require("../_core");
var atoms_1 = require("../atoms");
var updaters_1 = require("../updaters");
var waitFor_1 = require("./waitFor");
var createFork = function (parentId, recoil) {
return function (taskCreator, args, debugKey) {
/* child task id */
var id = (0, _core_1.uniqueId)();
var cancelledChild = (0, waitFor_1.createCancelled)(id);
var cancelled = function () { return recoil.cancelled() || cancelledChild(); };
var cancel = function () { return (0, waitFor_1.cancelTask)(id); };
var waitFor = (0, waitFor_1.createWaitFor)(cancelled);
/* injected current snapshot */
var snapshot = recoil.getSnapshot();
var childRecoil = __assign(__assign({}, recoil), { snapshot: snapshot, waitFor: waitFor, cancelled: cancelled });
/* injected fork recursively */
var fork = (0, exports.createFork)(id, childRecoil);
var execute = taskCreator(__assign(__assign({}, childRecoil), { fork: fork }));
var childTaskObj = {
parentId: parentId,
id: id,
args: args,
options: debugKey ? { key: debugKey } : undefined,
};
var taskRunner = function () { return __awaiter(void 0, void 0, void 0, function () {
var data, error_1;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
recoil.set(atoms_1.tasks, (0, updaters_1.pushTask)(childTaskObj));
return [4 /*yield*/, execute.apply(void 0, __spreadArray([], __read(args), false))];
case 1:
data = _a.sent();
recoil.set(atoms_1.tasks, (0, updaters_1.updateTaskDone)({ data: data, id: id }));
return [2 /*return*/, data];
case 2:
error_1 = _a.sent();
recoil.set(atoms_1.tasks, (0, updaters_1.updateTaskError)({ error: error_1, id: id }));
return [3 /*break*/, 3];
case 3: return [2 /*return*/];
}
});
}); };
/* run child task */
var task = taskRunner();
var getTaskState = function () {
return recoil.getLoadable((0, atoms_1.taskById)(id)).getValue();
};
return { id: id, cancel: cancel, task: task, getTaskState: getTaskState };
};
};
exports.createFork = createFork;
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