git.r.bdr.sh - rbdr/generador-de-insultos/blob - 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 };