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42 lines
1.5 KiB
JavaScript
42 lines
1.5 KiB
JavaScript
Module['locateFile'] = function(path, prefix) {
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return prefix + path;
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};
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/**
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Bug warning: this xInstantiateWasm bit must remain disabled
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until this bug is resolved or wasmfs won't work:
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https://github.com/emscripten-core/emscripten/issues/17951
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*/
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const xInstantiateWasm = 1
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? 'emscripten-bug-17951'
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: 'instantiateWasm';
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Module[xInstantiateWasm] = function callee(imports,onSuccess){
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imports.env.foo = function(){};
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console.warn("instantiateWasm() uri =",callee.uri, self.location.href);
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const wfetch = ()=>fetch(callee.uri, {credentials: 'same-origin'});
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const loadWasm = WebAssembly.instantiateStreaming
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? async ()=>{
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return WebAssembly.instantiateStreaming(wfetch(), imports)
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.then((arg)=>onSuccess(arg.instance, arg.module));
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}
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: async ()=>{ // Safari < v15
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return wfetch()
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.then(response => response.arrayBuffer())
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.then(bytes => WebAssembly.instantiate(bytes, imports))
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.then((arg)=>onSuccess(arg.instance, arg.module));
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};
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loadWasm();
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return {};
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};
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/*
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It is literally impossible to reliably get the name of _this_ script
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at runtime, so impossible to derive X.wasm from script name
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X.js. Thus we need, at build-time, to redefine
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Module[xInstantiateWasm].uri by appending it to a build-specific
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copy of this file with the name of the wasm file. This is apparently
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why Emscripten hard-codes the name of the wasm file into their glue
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scripts.
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*/
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Module[xInstantiateWasm].uri = 'sqlite3.wasm';
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