1 files changed, 50 insertions, 0 deletions
diff --git a/src/lib/stores/insults.js b/src/lib/stores/insults.js
new file mode 100644
index 0000000..d8bd340
--- /dev/null
+++ b/src/lib/stores/insults.js
@@ -0,0 +1,50 @@
+import { readable } from 'svelte/store';
+import { browser } from '$app/env';
+import { conjugate, pluralize } from '$lib/grammar';
+
+const internals = {
+  kVersion: '1:', // in case we need to force a re-fetch
+  kHost: import.meta.env.VITE_PUBLIC_BASE_PATH || 'http://localhost:3000',
+  kDataPrefix: '/data/',
+  kVerbsPath: '/verbs.json',
+  kNounsPath: '/nouns.json',
+
+  async get(path) {
+
+    const targetFile = internals.kHost + internals.kDataPrefix + path;
+    const data = browser && localStorage.getItem(internals.kVersion + targetFile);
+
+    if (data) {
+      return JSON.parse(data);
+    }
+
+    let newData = await (await fetch(targetFile)).json();
+    browser && localStorage.setItem(internals.kVersion + targetFile, JSON.stringify(newData));
+
+    return newData;
+  },
+
+  random(list) {
+
+    return list[Math.floor(Math.random() * list.length)];
+  }
+};
+
+export const getInsult = function () {
+
+  return readable(null, function (set) {
+
+    (async function() {
+
+      const verbs = await internals.get(internals.kVerbsPath);
+      const nouns = await internals.get(internals.kNounsPath);
+
+			const verb = await conjugate(internals.random(verbs));
+			const noun = pluralize(internals.random(nouns));
+
+      set(`${verb} ${noun}`.toLowerCase());
+    })();
+
+    return function stop() {};
+  });
+};