Add provider sync script

Author: ndaidong

deno.json

@@ -10,7 +10,8 @@
   "author": "@extractus",
   "license": "MIT",
   "tasks": {
-    "build": "deno run -A ./scripts/build_npm.ts"
+    "build": "deno run -A ./scripts/build_npm.ts",
+    "sync": "deno run --allow-net --allow-write --allow-read scripts/sync.ts"
   },
   "imports": {
     "@deno/dnt": "jsr:@deno/dnt@^0.41.2"

scripts/sync.ts

@@ -0,0 +1,49 @@
+#!/usr/bin/env deno run --allow-net --allow-write --allow-read
+
+import { existsSync } from "https://deno.land/std/fs/exists.ts"
+
+import { getJson } from "../utils/retrieve.ts";
+import { simplify } from "../utils/provider.ts";
+
+const source = "https://oembed.com/providers.json";
+const latest = "./utils/providers.latest.ts";
+const prev = "./utils/providers.prev.ts";
+const original = "./utils/providers.original.json";
+
+const saveOriginal = (data: any, file: string) => {
+
+};
+
+const sync = async () => {
+  try {
+    const result = await getJson(source);
+    Deno.writeTextFileSync(original, JSON.stringify(result, undefined, 2), { create: true });
+
+    const arr = simplify(result);
+    const data = JSON.stringify(arr, undefined, 2);
+
+    // backup previous version
+    if (existsSync(latest)) {
+      Deno.copyFileSync(latest, prev);
+    }
+
+    const syncTime = new Date().toISOString();
+
+    Deno.writeTextFileSync(
+      latest,
+      [
+        `// provider data, synchronized at ${syncTime}`,
+        "",
+        `export const providers = ${data};`,
+        "",
+      ].join("\n"),
+      { create: true }
+    );
+
+    console.log("Providers list has been updated");
+  } catch (err) {
+    console.trace(err);
+  }
+};
+
+sync();