100 lines
2.5 KiB
TypeScript
100 lines
2.5 KiB
TypeScript
import Debug from 'debug';
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import {RhizomeNode} from "../src/node";
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import {Entity} from "../src/entity";
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import {Collection} from "../src/collection";
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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 rhizomeNode = new RhizomeNode();
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const users = new Collection("user");
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users.rhizomeConnect(rhizomeNode);
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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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await rhizomeNode.start();
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// Let's use the rhizomic database for some more things.
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// Like what?
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// - Logging
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// - Chat
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//
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const taliesinData: User = {
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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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const taliesinPutResult = await users.put(undefined, taliesinData);
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{
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const result = JSON.stringify(taliesinPutResult);
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const expected = JSON.stringify(taliesinData);
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if (result === expected) {
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debug('Put result matches expected: ' + expected);
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} else {
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debug(`Put result does not match expected.` +
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`\n\nExpected \n${expected}` +
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`\nReceived\n${result}`);
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}
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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 resolved = users.resolve('taliesin-1');
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if (!resolved) throw new Error('unable to resolve entity we just created');
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const resolvedUser = {
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id: resolved.id,
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...resolved.properties
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} as User;
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/*
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function sortKeys (o: {[key: string]: unknown}): {[key: string]: unknown} {
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const r: {[key: string]: unknown} = {};
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r.id = o.id;
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Object.keys(o).sort().forEach((key) => {
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if (key === "id") return;
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r[key] = o[key];
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})
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return r;
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}
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*/
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const result = JSON.stringify(resolvedUser);
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const expected = JSON.stringify(taliesinData);
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if (result === expected) {
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debug('Get result matches expected: ' + expected);
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} else {
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debug(`Get result does not match expected.` +
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`\n\nExpected \n${expected}` +
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`\nReceived\n${result}`);
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}
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})();
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