90 lines
3.4 KiB
JavaScript
90 lines
3.4 KiB
JavaScript
import { _WebAssembly } from "./webassembly.mjs";
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import { Asyncify } from "./asyncify.mjs";
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function validateImports(imports) {
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if (imports && typeof imports !== 'object') {
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throw new TypeError('imports must be an object or undefined');
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}
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}
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function fetchWasm(urlOrBuffer, imports) {
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if (typeof wx !== 'undefined' && typeof __wxConfig !== 'undefined') {
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return _WebAssembly.instantiate(urlOrBuffer, imports);
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}
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return fetch(urlOrBuffer)
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.then(response => response.arrayBuffer())
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.then(buffer => _WebAssembly.instantiate(buffer, imports));
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}
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/** @public */
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export function load(wasmInput, imports) {
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validateImports(imports);
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imports = imports !== null && imports !== void 0 ? imports : {};
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let source;
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if (wasmInput instanceof ArrayBuffer || ArrayBuffer.isView(wasmInput)) {
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return _WebAssembly.instantiate(wasmInput, imports);
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}
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if (wasmInput instanceof _WebAssembly.Module) {
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return _WebAssembly.instantiate(wasmInput, imports).then((instance) => {
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return { instance, module: wasmInput };
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});
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}
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if (typeof wasmInput !== 'string' && !(wasmInput instanceof URL)) {
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throw new TypeError('Invalid source');
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}
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if (typeof _WebAssembly.instantiateStreaming === 'function') {
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let responsePromise;
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try {
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responsePromise = fetch(wasmInput);
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source = _WebAssembly.instantiateStreaming(responsePromise, imports).catch(() => {
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return fetchWasm(wasmInput, imports);
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});
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}
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catch (_) {
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source = fetchWasm(wasmInput, imports);
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}
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}
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else {
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source = fetchWasm(wasmInput, imports);
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}
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return source;
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}
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/** @public */
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export function asyncifyLoad(asyncify, urlOrBuffer, imports) {
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validateImports(imports);
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imports = imports !== null && imports !== void 0 ? imports : {};
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const asyncifyHelper = new Asyncify();
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imports = asyncifyHelper.wrapImports(imports);
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return load(urlOrBuffer, imports).then(source => {
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var _a;
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const memory = source.instance.exports.memory || ((_a = imports.env) === null || _a === void 0 ? void 0 : _a.memory);
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return { module: source.module, instance: asyncifyHelper.init(memory, source.instance, asyncify) };
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});
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}
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/** @public */
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export function loadSync(wasmInput, imports) {
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validateImports(imports);
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imports = imports !== null && imports !== void 0 ? imports : {};
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let module;
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if ((wasmInput instanceof ArrayBuffer) || ArrayBuffer.isView(wasmInput)) {
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module = new _WebAssembly.Module(wasmInput);
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}
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else if (wasmInput instanceof WebAssembly.Module) {
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module = wasmInput;
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}
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else {
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throw new TypeError('Invalid source');
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}
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const instance = new _WebAssembly.Instance(module, imports);
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const source = { instance, module };
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return source;
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}
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/** @public */
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export function asyncifyLoadSync(asyncify, buffer, imports) {
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var _a;
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validateImports(imports);
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imports = imports !== null && imports !== void 0 ? imports : {};
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const asyncifyHelper = new Asyncify();
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imports = asyncifyHelper.wrapImports(imports);
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const source = loadSync(buffer, imports);
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const memory = source.instance.exports.memory || ((_a = imports.env) === null || _a === void 0 ? void 0 : _a.memory);
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return { module: source.module, instance: asyncifyHelper.init(memory, source.instance, asyncify) };
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}
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