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[rbdr/generador-de-insultos] / src / lib / stores / insults.js
1 import { readable } from 'svelte/store';
2 import { browser } from '$app/env';
3 import { conjugate, pluralize } from '$lib/grammar';
4
5 const internals = {
6 kVersion: '1:', // in case we need to force a re-fetch
7 kHost: import.meta.env.VITE_PUBLIC_BASE_PATH || 'http://localhost:3000',
8 kDataPrefix: '/data/',
9 kVerbsPath: 'verbs.json',
10 kNounsPath: 'nouns.json',
11
12 async get(path) {
13
14 const targetFile = internals.kHost + internals.kDataPrefix + path;
15 const data = browser && localStorage.getItem(internals.kVersion + targetFile);
16
17 if (data) {
18 return JSON.parse(data);
19 }
20
21 let newData = await (await fetch(targetFile)).json();
22 browser && localStorage.setItem(internals.kVersion + targetFile, JSON.stringify(newData));
23
24 return newData;
25 },
26
27 random(list) {
28
29 return list[Math.floor(Math.random() * list.length)];
30 }
31 };
32
33 export const getInsult = function () {
34
35 return readable(null, function (set) {
36
37 (async function() {
38
39 const verbs = await internals.get(internals.kVerbsPath);
40 const nouns = await internals.get(internals.kNounsPath);
41
42 const verb = await conjugate(internals.random(verbs));
43 const noun = pluralize(internals.random(nouns));
44
45 set(`${verb} ${noun}`.toLowerCase());
46 })();
47
48 return function stop() {};
49 });
50 };