browser

type CompileStat struct {
	// Source is where the compiled module came from: "memory" (this
	// engine's own cache), "cache" (WebAssembly.compileStreaming of a
	// Response kept in Cache Storage by an earlier page), "stored"
	// (WebAssembly.compile, the module being stored for the next page), or
	// "bytes" (WebAssembly.compile, no Cache Storage).
	Source string
	// Bytes is the module's size; Took how long getting the module took,
	// of which Compile in the browser's compile call alone.
	Bytes   int
	Took    time.Duration
	Compile time.Duration
	// Error says why Cache Storage was not used, if it was not.
	Error string
}

type Executor struct {
	// contains filtered or unexported fields
}

type Options struct {
	// WorkerURL is where worker.js (WorkerJS) is served, same origin.
	WorkerURL string
	// DefaultMemoryLimitBytes applies when a Spec sets none (256 MiB).
	DefaultMemoryLimitBytes int64
	// MaxCompiled bounds the compiled-module cache (default 32).
	MaxCompiled int
	// CodeCache names a Cache Storage cache that keeps modules across
	// page loads, under CodeCacheURL + <sha256>.wasm (same origin), so the
	// browser can reuse its compiled code; "" disables it.
	CodeCache, CodeCacheURL string
	// OnCompile, when set, is told about each module the executor got.
	OnCompile func(CompileStat)
	// HostModules are served beside wasi_snapshot_preview1 by the engine's
	// WASI host in this worker; worker.js gives the guest one import
	// object per module.
	HostModules []wasi.HostModule
}