feat: update default rom resolve function to use retrobrews

examples/index.html

@@ -18,5 +18,10 @@ <h2>Example 2</h2>
   <div>
     <button id="run-example-2">run</button>
   </div>
+
+  <h2>Example 3</h2>
+  <div>
+    <button id="run-example-3">run</button>
+  </div>
 </body>
 </html>

examples/index.ts

@@ -1,32 +1,12 @@
 import { Nostalgist } from '../src'
 
-Nostalgist.configure({
-  resolveCoreJs({ core }) {
-    return `/cores/${core}_libretro.js`
-  },
-
-  resolveCoreWasm({ core }) {
-    return `/cores/${core}_libretro.wasm`
-  },
-
-  resolveRom({ options: { core }, file }) {
-    const directory = {
-      genesis_plus_gx: 'megadrive',
-      fceumm: 'nes',
-    }[`${core}`]
-    if (directory && typeof file === 'string') {
-      return `/roms/${encodeURIComponent(directory)}/${encodeURIComponent(file)}`
-    }
-  },
-})
-
 async function runExample1() {
-  await Nostalgist.nes('Alter Ego.nes')
+  await Nostalgist.nes('assimilate.nes')
 }
 
 async function runExample2() {
   const nostalgist = await Nostalgist.launch({
-    rom: '30YearsOfNintendont.zip',
+    rom: 'astroperdido.bin',
     core: 'genesis_plus_gx',
   })
   await new Promise((resolve) => setTimeout(resolve, 1000))
@@ -35,12 +15,13 @@ async function runExample2() {
 }
 
 async function runExample3() {
-  await Nostalgist.gba('super tile bros.nes')
+  await Nostalgist.gba('awerewolftale.gba')
 }
 
 function main() {
   document.body.querySelector('#run-example-1').addEventListener('click', runExample1)
   document.body.querySelector('#run-example-2').addEventListener('click', runExample2)
+  document.body.querySelector('#run-example-3').addEventListener('click', runExample3)
 }
 
 main()

src/options.ts

@@ -37,11 +37,16 @@ const defaultRetroarchConfig: RetroArchConfig = {
   input_player4_analog_dpad_mode: 1,
 }
 
-const coreBaseUrl = 'https://cdn.jsdelivr.net/gh'
+const cdnBaseUrl = 'https://cdn.jsdelivr.net/gh'
+
 const coreRepo = 'arianrhodsandlot/retroarch-emscripten-build'
 const coreVersion = 'v1.16.0'
 const coreDirectory = 'retroarch'
 
+function isUrl(string: string) {
+  return string.startsWith('http://') ||  string.startsWith('https://') ||  string.startsWith('//')
+}
+
 export function getDefaultOptions() {
   const defaultOptions: Omit<NostalgistOptions, 'core'> = {
     element: '#canvas',
@@ -50,14 +55,36 @@ export function getDefaultOptions() {
     retroarchCoreConfig: {},
 
     resolveCoreJs({ core }) {
-      return `${coreBaseUrl}/${coreRepo}@${coreVersion}/${coreDirectory}/${core}_libretro.js`
+      return `${cdnBaseUrl}/${coreRepo}@${coreVersion}/${coreDirectory}/${core}_libretro.js`
     },
 
     resolveCoreWasm({ core }) {
-      return `${coreBaseUrl}/${coreRepo}@${coreVersion}/${coreDirectory}/${core}_libretro.wasm`
+      return `${cdnBaseUrl}/${coreRepo}@${coreVersion}/${coreDirectory}/${core}_libretro.wasm`
     },
 
     resolveRom({ file }) {
+      if (typeof file === 'string') {
+        if (!isUrl(file)) {
+          let romRepo = ''
+          if (file.endsWith('.nes')) {
+            romRepo = 'retrobrews/nes-games'
+          } else if (file.endsWith('.sfc')) {
+            romRepo = 'retrobrews/snes-games'
+          } else if (file.endsWith('.gb') || file.endsWith('.gbc')) {
+            romRepo = 'retrobrews/gbc-games'
+          } else if (file.endsWith('.gba')) {
+            romRepo = 'retrobrews/gba-games'
+          } else if (file.endsWith('.sms')) {
+            romRepo = 'retrobrews/sms-games'
+          } else if (file.endsWith('.md') || file.endsWith('.bin')) {
+            romRepo = 'retrobrews/md-games'
+          }
+          if (romRepo) {
+            const encodedFile = encodeURIComponent(file)
+            return `${cdnBaseUrl}/${romRepo}@master/${encodedFile}`
+          }
+        } 
+      }
       return file || []
     },