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

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