libsquish-js/js/squish.js

A functional Emscripten port of libsquish.

var Module = (() => {
  
  return (
async function(moduleArg = {}) {
  var moduleRtn;

var Module=moduleArg;var readyPromiseResolve,readyPromiseReject;var readyPromise=new Promise((resolve,reject)=>{readyPromiseResolve=resolve;readyPromiseReject=reject});var ENVIRONMENT_IS_WEB=typeof window=="object";var ENVIRONMENT_IS_WORKER=typeof WorkerGlobalScope!="undefined";var ENVIRONMENT_IS_NODE=typeof process=="object"&&process.versions?.node&&process.type!="renderer";if(ENVIRONMENT_IS_NODE){const{createRequire}=await import("module");var require=createRequire(import.meta.url)}var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};var _scriptName=import.meta.url;var scriptDirectory="";function locateFile(path){if(Module["locateFile"]){return Module["locateFile"](path,scriptDirectory)}return scriptDirectory+path}var readAsync,readBinary;if(ENVIRONMENT_IS_NODE){var fs=require("fs");var nodePath=require("path");if(_scriptName.startsWith("file:")){scriptDirectory=nodePath.dirname(require("url").fileURLToPath(_scriptName))+"/"}readBinary=filename=>{filename=isFileURI(filename)?new URL(filename):filename;var ret=fs.readFileSync(filename);return ret};readAsync=async(filename,binary=true)=>{filename=isFileURI(filename)?new URL(filename):filename;var ret=fs.readFileSync(filename,binary?undefined:"utf8");return ret};if(process.argv.length>1){thisProgram=process.argv[1].replace(/\\/g,"/")}arguments_=process.argv.slice(2);quit_=(status,toThrow)=>{process.exitCode=status;throw toThrow}}else if(ENVIRONMENT_IS_WEB||ENVIRONMENT_IS_WORKER){try{scriptDirectory=new URL(".",_scriptName).href}catch{}{if(ENVIRONMENT_IS_WORKER){readBinary=url=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,false);xhr.responseType="arraybuffer";xhr.send(null);return new Uint8Array(xhr.response)}}readAsync=async url=>{if(isFileURI(url)){return new Promise((resolve,reject)=>{var xhr=new XMLHttpRequest;xhr.open("GET",url,true);xhr.responseType="arraybuffer";xhr.onload=()=>{if(xhr.status==200||xhr.status==0&&xhr.response){resolve(xhr.response);return}reject(xhr.status)};xhr.onerror=reject;xhr.send(null)})}var response=await fetch(url,{credentials:"same-origin"});if(response.ok){return response.arrayBuffer()}throw new Error(response.status+" : "+response.url)}}}else{}var out=console.log.bind(console);var err=console.error.bind(console);var wasmBinary;var wasmMemory;var ABORT=false;var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAP64,HEAPU64,HEAPF64;var runtimeInitialized=false;var isFileURI=filename=>filename.startsWith("file://");function updateMemoryViews(){var b=wasmMemory.buffer;HEAP8=new Int8Array(b);HEAP16=new Int16Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);HEAPU16=new Uint16Array(b);HEAP32=new Int32Array(b);HEAPU32=new Uint32Array(b);HEAPF32=new Float32Array(b);HEAPF64=new Float64Array(b);HEAP64=new BigInt64Array(b);HEAPU64=new BigUint64Array(b)}function preRun(){if(Module["preRun"]){if(typeof Module["preRun"]=="function")Module["preRun"]=[Module["preRun"]];while(Module["preRun"].length){addOnPreRun(Module["preRun"].shift())}}callRuntimeCallbacks(onPreRuns)}function initRuntime(){runtimeInitialized=true;wasmExports["__wasm_call_ctors"]()}function postRun(){if(Module["postRun"]){if(typeof Module["postRun"]=="function")Module["postRun"]=[Module["postRun"]];while(Module["postRun"].length){addOnPostRun(Module["postRun"].shift())}}callRuntimeCallbacks(onPostRuns)}var runDependencies=0;var dependenciesFulfilled=null;function addRunDependency(id){runDependencies++;Module["monitorRunDependencies"]?.(runDependencies)}function removeRunDependency(id){runDependencies--;Module["monitorRunDependencies"]?.(runDependencies);if(runDependencies==0){if(dependenciesFulfilled){var callback=dependenciesFulfilled;dependenciesFulfilled=null;callback()}}}function abort(what){Module["onAbort"]?.(what);what="Aborted("+what+")";err(what);ABORT=true;what+=". Build with -sASSERTIONS for more info.";var e=new WebAssembly.RuntimeError(what);readyPromiseReject(e);throw e}var wasmBinaryFile;function findWasmBinary(){if(Module["locateFile"]){return locateFile("squish.wasm")}return new URL("squish.wasm",import.meta.url).href}function getBinarySync(file){if(file==wasmBinaryFile&&wasmBinary){return new Uint8Array(wasmBinary)}if(readBinary){return readBinary(file)}throw"both async and sync fetching of the wasm failed"}async function getWasmBinary(binaryFile){if(!wasmBinary){try{var response=await readAsync(binaryFile);return new Uint8Array(response)}catch{}}return getBinarySync(binaryFile)}async function instantiateArrayBuffer(binaryFile,imports){try{var binary=await getWasmBinary(binaryFile);var instance=await WebAssembly.instantiate(binary,imports);return instance}catch(reason){err(`failed to asynchronously prepare wasm: ${reason}`);abort(reason)}}async function instantiateAsync(binary,binaryFile,imports){if(!binary&&typeof WebAssembly.instantiateStreaming=="function"&&!isFileURI(binaryFile)&&!ENVIRONMENT_IS_NODE){try{var response=fetch(binaryFile,{credentials:"same-origin"});var instantiationResult=await WebAssembly.instantiateStreaming(response,imports);return instantiationResult}catch(reason){err(`wasm streaming compile failed: ${reason}`);err("falling back to ArrayBuffer instantiation")}}return instantiateArrayBuffer(binaryFile,imports)}function getWasmImports(){return{env:wasmImports,wasi_snapshot_preview1:wasmImports}}async function createWasm(){function receiveInstance(instance,module){wasmExports=instance.exports;wasmMemory=wasmExports["memory"];updateMemoryViews();removeRunDependency("wasm-instantiate");return wasmExports}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){return receiveInstance(result["instance"])}var info=getWasmImports();if(Module["instantiateWasm"]){return new Promise((resolve,reject)=>{Module["instantiateWasm"](info,(mod,inst)=>{resolve(receiveInstance(mod,inst))})})}wasmBinaryFile??=findWasmBinary();try{var result=await instantiateAsync(wasmBinary,wasmBinaryFile,info);var exports=receiveInstantiationResult(result);return exports}catch(e){readyPromiseReject(e);return Promise.reject(e)}}class ExitStatus{name="ExitStatus";constructor(status){this.message=`Program terminated with exit(${status})`;this.status=status}}var callRuntimeCallbacks=callbacks=>{while(callbacks.length>0){callbacks.shift()(Module)}};var onPostRuns=[];var addOnPostRun=cb=>onPostRuns.push(cb);var onPreRuns=[];var addOnPreRun=cb=>onPreRuns.push(cb);var noExitRuntime=true;var __abort_js=()=>abort("");var getHeapMax=()=>2147483648;var alignMemory=(size,alignment)=>Math.ceil(size/alignment)*alignment;var growMemory=size=>{var b=wasmMemory.buffer;var pages=(size-b.byteLength+65535)/65536|0;try{wasmMemory.grow(pages);updateMemoryViews();return 1}catch(e){}};var _emscripten_resize_heap=requestedSize=>{var oldSize=HEAPU8.length;requestedSize>>>=0;var maxHeapSize=getHeapMax();if(requestedSize>maxHeapSize){return false}for(var cutDown=1;cutDown<=4;cutDown*=2){var overGrownHeapSize=oldSize*(1+.2/cutDown);overGrownHeapSize=Math.min(overGrownHeapSize,requestedSize+100663296);var newSize=Math.min(maxHeapSize,alignMemory(Math.max(requestedSize,overGrownHeapSize),65536));var replacement=growMemory(newSize);if(replacement){return true}}return false};{if(Module["noExitRuntime"])noExitRuntime=Module["noExitRuntime"];if(Module["print"])out=Module["print"];if(Module["printErr"])err=Module["printErr"];if(Module["wasmBinary"])wasmBinary=Module["wasmBinary"];if(Module["arguments"])arguments_=Module["arguments"];if(Module["thisProgram"])thisProgram=Module["thisProgram"]}var wasmImports={_abort_js:__abort_js,emscripten_resize_heap:_emscripten_resize_heap};var wasmExports=await createWasm();var ___wasm_call_ctors=wasmExports["__wasm_call_ctors"];var _GetStorageRequirements=Module["_GetStorageRequirements"]=wasmExports["GetStorageRequirements"];var _CompressImage=Module["_CompressImage"]=wasmExports["CompressImage"];var _malloc=Module["_malloc"]=wasmExports["malloc"];var _DecompressImage=Module["_DecompressImage"]=wasmExports["DecompressImage"];var _free=Module["_free"]=wasmExports["free"];var __emscripten_stack_restore=wasmExports["_emscripten_stack_restore"];var __emscripten_stack_alloc=wasmExports["_emscripten_stack_alloc"];var _emscripten_stack_get_current=wasmExports["emscripten_stack_get_current"];function run(){if(runDependencies>0){dependenciesFulfilled=run;return}preRun();if(runDependencies>0){dependenciesFulfilled=run;return}function doRun(){Module["calledRun"]=true;if(ABORT)return;initRuntime();readyPromiseResolve(Module);Module["onRuntimeInitialized"]?.();postRun()}if(Module["setStatus"]){Module["setStatus"]("Running...");setTimeout(()=>{setTimeout(()=>Module["setStatus"](""),1);doRun()},1)}else{doRun()}}function preInit(){if(Module["preInit"]){if(typeof Module["preInit"]=="function")Module["preInit"]=[Module["preInit"]];while(Module["preInit"].length>0){Module["preInit"].shift()()}}}preInit();run();moduleRtn=readyPromise;


  return moduleRtn;
}
);
})();
export default Module;