unstated-enhancers
Version:
Unstated tools for state management
219 lines (218 loc) • 10.8 kB
JavaScript
"use strict";
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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.PERSIST_ENABLED = void 0;
var unstated = require("unstated");
var queue_1 = require("./support/queue");
var __SUPER_SECRET_CONTAINER_DEBUG_HOOK__ = unstated.__SUPER_SECRET_CONTAINER_DEBUG_HOOK__;
var PERSIST_ENABLED = false;
exports.PERSIST_ENABLED = PERSIST_ENABLED;
var Persist = /** @class */ (function () {
function Persist() {
this.__containers = {};
this.state = {};
this.debounce = 250;
this.prefix = 'unstated::';
}
Persist.prototype.config = function (config) {
for (var _i = 0, _a = Object.entries(config); _i < _a.length; _i++) {
var _b = _a[_i], key = _b[0], value = _b[1];
this[key] = value;
}
this.persistStatePartial = {
_persist_version: this.version,
__action: 'REHYDRATE'
};
};
Persist.prototype.clear = function () {
return __awaiter(this, void 0, void 0, function () {
var _i, _a, _b, key, container;
return __generator(this, function (_c) {
switch (_c.label) {
case 0:
this.state = {};
for (_i = 0, _a = Object.entries(this.__containers); _i < _a.length; _i++) {
_b = _a[_i], key = _b[0], container = _b[1];
container.state = __assign(__assign({}, container.__containerInitialState), { _persist_version: container.state._persist_version });
this.state[key] = container.state;
}
return [4 /*yield*/, this.flush()];
case 1:
_c.sent();
return [2 /*return*/];
}
});
});
};
Persist.prototype.flush = function () {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.storage.removeItem(this.key)];
case 1:
_a.sent();
return [2 /*return*/];
}
});
});
};
Persist.prototype.containers = function () {
return this.__containers;
};
Persist.prototype.start = function (config) {
var _this = this;
if (config) {
this.config(config);
}
exports.PERSIST_ENABLED = PERSIST_ENABLED = true;
this.key = this.prefix + this.key;
__SUPER_SECRET_CONTAINER_DEBUG_HOOK__(function (container) {
var bootstrap = function () { return _this.__bootstrap(container); };
queue_1.default(bootstrap);
});
};
Persist.prototype.__bootstrap = function (container) {
return __awaiter(this, void 0, void 0, function () {
var config;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!container.persist) return [3 /*break*/, 2];
config = container.persist;
this.__containers[config.key] = container;
return [4 /*yield*/, this.rehydrate(container)];
case 1:
_a.sent();
_a.label = 2;
case 2: return [2 /*return*/];
}
});
});
};
Persist.prototype.rehydrate = function (container) {
return __awaiter(this, void 0, void 0, function () {
var config, key, version, containerDefaultState, serialState, newState, prevVersion, err_1, debounceId_1;
var _this = this;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
config = container.persist;
key = config.key;
version = config.version || this.version;
containerDefaultState = container.state || {};
container.hydrated = false;
container.__containerInitialState = containerDefaultState;
_a.label = 1;
case 1:
_a.trys.push([1, 10, 12, 13]);
return [4 /*yield*/, this.storage.getItem(this.key)];
case 2:
serialState = _a.sent();
if (!(serialState !== null)) return [3 /*break*/, 7];
this.state = JSON.parse(serialState);
newState = this.state[key];
if (!(!newState || newState._persist_version !== version)) return [3 /*break*/, 4];
if (process.env.NODE_ENV !== 'production') {
prevVersion = newState ? newState._persist_version : -1;
console.log("unstated-persist: state version mismatch for " + key + " (" + prevVersion + " vs " + version + "), skipping rehydration");
}
return [4 /*yield*/, container.setState(__assign(__assign({}, this.persistStatePartial), containerDefaultState))];
case 3:
_a.sent();
return [3 /*break*/, 6];
case 4:
// State versions match, set state as is
return [4 /*yield*/, container.setState(__assign(__assign({}, newState), { __action: 'REHYDRATE' }))];
case 5:
// State versions match, set state as is
_a.sent();
_a.label = 6;
case 6: return [3 /*break*/, 9];
case 7: return [4 /*yield*/, container.setState(__assign(__assign({}, this.persistStatePartial), containerDefaultState))];
case 8:
_a.sent();
_a.label = 9;
case 9: return [3 /*break*/, 13];
case 10:
err_1 = _a.sent();
return [4 /*yield*/, container.setState(__assign(__assign({}, this.persistStatePartial), containerDefaultState))];
case 11:
_a.sent();
if (process.env.NODE_ENV !== 'production') {
console.log("unstated-persist: Error during rehydate", err_1);
}
return [3 /*break*/, 13];
case 12:
container.hydrated = true;
// Dont start PERSIST_ENABLED until rehydration is complete
container.subscribe(function () {
if (debounceId_1) {
clearTimeout(debounceId_1);
}
debounceId_1 = setTimeout(function () {
_this.state[key] = container.state;
_this.storage
.setItem(_this.key, JSON.stringify(_this.state))
.catch(function (err) {
if (process.env.NODE_ENV !== 'production') {
console.log("unstated-persist: Error on persist state", err);
}
});
}, _this.debounce);
});
return [7 /*endfinally*/];
case 13: return [2 /*return*/];
}
});
});
};
;
return Persist;
}());
exports.default = Persist;