wip

# Conflicts:
#	codecs/cpp.Dockerfile
#	codecs/imagequant/example.html
#	codecs/webp/dec/webp_dec.d.ts
#	codecs/webp/dec/webp_dec.js
#	codecs/webp/dec/webp_dec.wasm
#	codecs/webp/enc/webp_enc.d.ts
#	codecs/webp/enc/webp_enc.js
#	codecs/webp/enc/webp_enc.wasm
#	package-lock.json
#	package.json
#	src/codecs/tiny.webp
#	src_old/codecs/encoders.ts
#	src_old/codecs/processor-worker/tiny.avif
#	src_old/codecs/processor-worker/tiny.webp
#	src_old/codecs/tiny.webp
#	src_old/components/compress/index.tsx
#	src_old/lib/util.ts
#	src_old/sw/util.ts

src_old/codecs/util.ts

@@ -0,0 +1,39 @@
+type ModuleFactory<M extends EmscriptenWasm.Module> = (
+  opts: EmscriptenWasm.ModuleOpts,
+) => M;
+
+export function initEmscriptenModule<T extends EmscriptenWasm.Module>(
+  moduleFactory: ModuleFactory<T>,
+  wasmUrl: string,
+): Promise<T> {
+  return new Promise((resolve) => {
+    const module = moduleFactory({
+      // Just to be safe, don't automatically invoke any wasm functions
+      noInitialRun: true,
+      locateFile(url: string): string {
+        // Redirect the request for the wasm binary to whatever webpack gave us.
+        if (url.endsWith('.wasm')) return wasmUrl;
+        return url;
+      },
+      onRuntimeInitialized() {
+        // An Emscripten is a then-able that resolves with itself, causing an infite loop when you
+        // wrap it in a real promise. Delete the `then` prop solves this for now.
+        // https://github.com/kripken/emscripten/issues/5820
+        delete (module as any).then;
+        resolve(module);
+      },
+    });
+  });
+}
+
+interface ClampOpts {
+  min?: number;
+  max?: number;
+}
+
+export function clamp(x: number, opts: ClampOpts): number {
+  return Math.min(
+    Math.max(x, opts.min || Number.MIN_VALUE),
+    opts.max || Number.MAX_VALUE,
+  );
+}