73 lines
2.1 KiB
TypeScript
73 lines
2.1 KiB
TypeScript
import {HTTP_API_ENABLE} from "./config";
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import {runDeltas} from "./deltas";
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import {runHttpApi} from "./http-api";
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import {Entity} from "./object-layer";
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import {askAllPeersForDeltas, subscribeToSeeds} from "./peers";
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import {bindPublish, } from "./pub-sub";
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import {bindReply, runRequestHandlers} from "./request-reply";
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import {TypedCollection} from "./typed-collection";
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import Debug from 'debug';
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const debug = Debug('example-app');
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// As an app we want to be able to write and read data.
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// The data is whatever shape we define it to be in a given context.
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// So we want access to an API that is integrated with our declarations of
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// e.g. entities and their properties.
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type User = {
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id?: string;
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name: string;
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nameLong?: string;
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email?: string;
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age: number;
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};
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(async () => {
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const users = new TypedCollection<User>();
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await bindPublish();
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await bindReply();
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if (HTTP_API_ENABLE) {
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runHttpApi({users});
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}
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runDeltas();
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runRequestHandlers();
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await new Promise((resolve) => setTimeout(resolve, 500));
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subscribeToSeeds();
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await new Promise((resolve) => setTimeout(resolve, 500));
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askAllPeersForDeltas();
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await new Promise((resolve) => setTimeout(resolve, 1000));
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users.onUpdate((u: Entity) => {
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debug('User updated:', u);
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});
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users.onCreate((u: Entity) => {
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debug('New user!:', u);
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});
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const taliesin = users.put(undefined, {
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// id: 'taliesin-1',
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name: 'Taliesin',
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nameLong: 'Taliesin (Ladd)',
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age: Math.floor(Math.random() * 1000)
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});
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// TODO: Allow configuration regarding read/write concern i.e.
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// if we perform a read immediately do we see the value we wrote?
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// Intuition says yes, we want that-- but how do we expose the propagation status?
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const result = users.get(taliesin.id);
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const matches: boolean = JSON.stringify(result) === JSON.stringify(taliesin);
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if (matches) {
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debug('Result matches expected: ' + JSON.stringify(taliesin));
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} else {
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debug(`Result does not match expected.` +
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`\n\nExpected \n${JSON.stringify(taliesin)}` +
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`\nReceived\n${JSON.stringify(result)}`);
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}
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})();
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