48 lines
1.4 KiB
TypeScript
48 lines
1.4 KiB
TypeScript
import { Jsonify } from "type-fest";
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import { Account } from "./account";
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import { GlobalState } from "./global-state";
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export class State<
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TGlobalState extends GlobalState = GlobalState,
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TAccount extends Account = Account
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> {
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accounts: { [userId: string]: TAccount } = {};
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globals: TGlobalState;
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activeUserId: string;
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authenticatedAccounts: string[] = [];
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accountActivity: { [userId: string]: number } = {};
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constructor(globals: TGlobalState) {
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this.globals = globals;
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}
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// TODO, make Jsonify<State,TGlobalState,TAccount> work. It currently doesn't because Globals doesn't implement Jsonify.
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static fromJSON<TGlobalState extends GlobalState, TAccount extends Account>(
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obj: any,
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accountDeserializer: (json: Jsonify<TAccount>) => TAccount
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): State<TGlobalState, TAccount> {
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if (obj == null) {
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return null;
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}
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return Object.assign(new State(null), obj, {
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accounts: State.buildAccountMapFromJSON(obj?.accounts, accountDeserializer),
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});
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}
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private static buildAccountMapFromJSON<TAccount extends Account>(
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jsonAccounts: { [userId: string]: Jsonify<TAccount> },
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accountDeserializer: (json: Jsonify<TAccount>) => TAccount
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) {
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if (!jsonAccounts) {
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return {};
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}
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const accounts: { [userId: string]: TAccount } = {};
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for (const userId in jsonAccounts) {
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accounts[userId] = accountDeserializer(jsonAccounts[userId]);
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}
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return accounts;
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}
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}
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