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types.ts
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/
types.ts
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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing,
* software distributed under the License is distributed on an
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
* KIND, either express or implied. See the License for the
* specific language governing permissions and limitations
* under the License.
*/
/** Common type definitions. */
/**
* Library interface provider that can provide
* syslibs(e.g. libs provided by WASI and beyond) for the Wasm runtime.
*
* It can be viewed as a generalization of imports used in WebAssembly instance creation.
*
* The {@link LibraryProvider.start} callback will be called
* to allow the library provider to initialize related resources during startup time.
*
* We can use Emscripten generated js Module as a { wasmLibraryProvider: LibraryProvider }.
*/
export interface LibraryProvider {
/** The imports that can be passed to WebAssembly instance creation. */
imports: Record<string, any>;
/**
* Callback function to notify the provider the created instance.
* @param inst The created instance.
*/
start: (inst: WebAssembly.Instance) => void;
}
/**
* Disposable classes that contains resources (WasmMemory, GPU buffer)
* which needs to be explicitly disposed.
*/
export interface Disposable {
/**
* Dispose the internal resource
* This function can be called multiple times,
* only the first call will take effect.
*/
dispose: () => void;
}