git.r.bdr.sh - rbdr/prompt/blob - src/lib/stores/prompt.js

   1 import { readable } from 'svelte/store';
   2 import { browser } from '$app/env';
   3
   4 const internals = {
   5   kVersion: '1:', // in case we need to force a re-fetch
   6   kHost: import.meta.env.VITE_PUBLIC_BASE_PATH || 'http://localhost:3000',
   7   kDataPrefix: '/data/',
   8   kAdjectivesPath: '/adjectives.json',
   9   kNounsPath: '/nouns.json',
  10
  11   async get(locale, path) {
  12
  13     const shortLocale = locale.split('-')[0];
  14     const targetFile = internals.kHost + internals.kDataPrefix + shortLocale + path;
  15     const data = browser && localStorage.getItem(internals.kVersion + targetFile);
  16
  17     if (data) {
  18       return JSON.parse(data);
  19     }
  20
  21     let newData = await (await fetch(targetFile)).json();
  22     browser && localStorage.setItem(internals.kVersion + targetFile, JSON.stringify(newData));
  23
  24     return newData;
  25   },
  26
  27   random(list) {
  28
  29     return list[Math.floor(Math.random() * list.length)];
  30   }
  31 };
  32
  33 export const getPrompt = function (locale) {
  34
  35   return readable(null, function (set) {
  36
  37     (async function() {
  38
  39       const adjectives = await internals.get(locale, internals.kAdjectivesPath);
  40       const nouns = await internals.get(locale, internals.kNounsPath);
  41
  42       set(`${internals.random(nouns)}, ${internals.random(nouns)}, ${internals.random(adjectives)}`);
  43     })();
  44
  45     return function stop() {};
  46   });
  47 };