fix: resolve TypeScript errors with moduleResolution nodenext and skipLibCheck false

.gitignore

@@ -130,6 +130,9 @@ dist
 # ignore polyfills copy
 packages/*/src/polyfills
 
+# Vendored mux-embed types — regenerated on install via root prepare hook
+packages/playback-core/src/vendor/mux-embed.ts
+
 .turbo
 examples/astro/.vercel/
 

.prettierignore

@@ -6,3 +6,4 @@ examples
 *.sublime-*
 *.vscode*
 *.md
+packages/playback-core/src/vendor

package.json

@@ -40,7 +40,7 @@
     "build:packages": "turbo run build --filter '!./examples/*'",
     "build": "turbo run build",
     "i18n": "turbo run i18n",
-    "prepare": "husky"
+    "prepare": "husky && npm run vendor:types -w @mux/playback-core"
   },
   "packageManager": "npm@11.2.0"
 }

packages/mux-video/package.json

@@ -126,13 +126,13 @@
   "dependencies": {
     "@mux/mux-data-google-ima": "^0.3.4",
     "@mux/playback-core": "0.35.0",
+    "@types/google_interactive_media_ads_types": "^3.697.0",
     "castable-video": "~1.1.13",
     "custom-media-element": "~1.4.6",
     "media-tracks": "~0.3.5"
   },
   "devDependencies": {
     "@open-wc/testing": "^4.0.0",
-    "@types/google_interactive_media_ads_types": "^3.697.0",
     "@typescript-eslint/eslint-plugin": "^8.27.0",
     "@typescript-eslint/parser": "^8.27.0",
     "@web/dev-server-esbuild": "^1.0.4",

packages/mux-video/src/ads/index.ts

@@ -1,6 +1,5 @@
 /* eslint @typescript-eslint/triple-slash-reference: "off" */
 /// <reference types="google_interactive_media_ads_types" preserve="true"/>
-/// <reference path="../../../../node_modules/mux-embed/dist/types/mux-embed.d.ts" preserve="true" />
 
 /** @TODO publish types for package to use here (CJP) */
 // @ts-ignore

packages/playback-core/.eslintignore

@@ -0,0 +1 @@
+src/vendor

packages/playback-core/package.json

@@ -51,7 +51,8 @@
     "build:esm-module": "esbuilder src/index.ts --sourcemap --format=esm --outfile=./dist/playback-core.mjs",
     "build:cjs": "esbuilder src/index.ts --sourcemap --format=cjs --out-extension:.js=.cjs.js --external:mux-embed --external:hls.js",
     "build:iife": "esbuilder src/index.ts --sourcemap --format=iife --outfile=./dist/playback-core.js",
-    "prebuild:types": "shx mkdir -p ./dist/types",
+    "vendor:types": "node ./scripts/vendor-mux-embed-types.mjs",
+    "prebuild:types": "npm run vendor:types && shx mkdir -p ./dist/types",
     "build:types": "tsc",
     "postbuild:types": "downlevel-dts ./dist/types ./dist/types-ts3.4 --to=3.4",
     "build": "npm-run-all --parallel 'build:esm -- --minify' 'build:iife -- --minify' 'build:cjs -- --minify' 'build:esm-module -- --minify'"

packages/playback-core/scripts/vendor-mux-embed-types.mjs

@@ -0,0 +1,38 @@
+import { createRequire } from 'node:module';
+import { existsSync } from 'node:fs';
+import { mkdir, readFile, writeFile } from 'node:fs/promises';
+import { dirname, join, resolve } from 'node:path';
+import { fileURLToPath } from 'node:url';
+
+const require = createRequire(import.meta.url);
+const __dirname = dirname(fileURLToPath(import.meta.url));
+
+// Resolve the mux-embed package root by walking up from its main entry
+// (require.resolve respects exports, so we can't use a subpath directly)
+const muxEmbedMain = require.resolve('mux-embed');
+let pkgRoot = dirname(muxEmbedMain);
+while (!existsSync(join(pkgRoot, 'package.json'))) {
+  const parent = dirname(pkgRoot);
+  if (parent === pkgRoot) {
+    throw new Error(`Could not find mux-embed package.json starting from ${muxEmbedMain}`);
+  }
+  pkgRoot = parent;
+}
+
+const pkg = JSON.parse(await readFile(join(pkgRoot, 'package.json'), 'utf8'));
+if (pkg.name !== 'mux-embed') {
+  throw new Error(`Found package.json at ${pkgRoot}, but it is "${pkg.name}", not mux-embed`);
+}
+
+const SOURCE = join(pkgRoot, 'dist/types/mux-embed.d.ts');
+const DEST = resolve(__dirname, '../src/vendor/mux-embed.ts');
+const HEADER = `// AUTO-GENERATED — do not edit.
+// Source: mux-embed@${pkg.version} / dist/types/mux-embed.d.ts
+// Run \`npm run vendor:types\` to refresh.
+
+`;
+
+const content = await readFile(SOURCE, 'utf8');
+await mkdir(dirname(DEST), { recursive: true });
+await writeFile(DEST, HEADER + content);
+console.log(`Vendored mux-embed@${pkg.version} types -> ${DEST}`);

packages/playback-core/src/types.ts

@@ -1,5 +1,5 @@
 /* eslint @typescript-eslint/triple-slash-reference: "off" */
-/// <reference path="../../../node_modules/mux-embed/dist/types/mux-embed.d.ts" preserve="true" />
+/// <reference path="./vendor/mux-embed.ts" preserve="true" />
 import type { Options, Mux } from 'mux-embed';
 import type { MediaError } from './errors';
 import type { HlsConfig } from 'hls.js';