harfbuzzjs/hb.js

Minimal version of HarfBuzz for JavaScript use

var createHarfBuzz=(()=>{var _scriptName=typeof document!="undefined"?document.currentScript?.src:undefined;return async function(moduleArg={}){var moduleRtn;var Module=moduleArg;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";var arguments_=[];var thisProgram="./this.program";var quit_=(status,toThrow)=>{throw toThrow};if(typeof __filename!="undefined"){_scriptName=__filename}else if(ENVIRONMENT_IS_WORKER){_scriptName=self.location.href}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");scriptDirectory=__dirname+"/";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 ABORT=false;var EXITSTATUS;var isFileURI=filename=>filename.startsWith("file://");var readyPromiseResolve,readyPromiseReject;var wasmMemory;var HEAP8,HEAPU8,HEAP16,HEAPU16,HEAP32,HEAPU32,HEAPF32,HEAPF64;var HEAP64,HEAPU64;var runtimeInitialized=false;function updateMemoryViews(){var b=wasmMemory.buffer;Module["HEAP8"]=HEAP8=new Int8Array(b);HEAP16=new Int16Array(b);Module["HEAPU8"]=HEAPU8=new Uint8Array(b);HEAPU16=new Uint16Array(b);Module["HEAP32"]=HEAP32=new Int32Array(b);Module["HEAPU32"]=HEAPU32=new Uint32Array(b);Module["HEAPF32"]=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(){return locateFile("hb.wasm")}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&&!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: ${reason}`);err("falling back to ArrayBuffer instantiation")}}return instantiateArrayBuffer(binaryFile,imports)}function getWasmImports(){return{env:wasmImports,wasi_snapshot_preview1:wasmImports}}async function createWasm(){function receiveInstance(instance,module){wasmExports=instance.exports;Module["wasmExports"]=wasmExports;wasmMemory=wasmExports["memory"];Module["wasmMemory"]=wasmMemory;updateMemoryViews();wasmTable=wasmExports["__indirect_function_table"];assignWasmExports(wasmExports);removeRunDependency("wasm-instantiate");return wasmExports}addRunDependency("wasm-instantiate");function receiveInstantiationResult(result){return receiveInstance(result["instance"])}var info=getWasmImports();if(Module["instantiateWasm"]){return new Promise((resolve,reject)=>{Module["instantiateWasm"](info,(mod,inst)=>{resolve(receiveInstance(mod,inst))})})}wasmBinaryFile??=findWasmBinary();var result=await instantiateAsync(wasmBinary,wasmBinaryFile,info);var exports=receiveInstantiationResult(result);return exports}class ExitStatus{name="ExitStatus";constructor(status){this.message=`Program terminated with exit(${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 runtimeKeepaliveCounter=0;var __emscripten_runtime_keepalive_clear=()=>{noExitRuntime=false;runtimeKeepaliveCounter=0};var timers={};var handleException=e=>{if(e instanceof ExitStatus||e=="unwind"){return EXITSTATUS}quit_(1,e)};var keepRuntimeAlive=()=>noExitRuntime||runtimeKeepaliveCounter>0;var _proc_exit=code=>{EXITSTATUS=code;if(!keepRuntimeAlive()){Module["onExit"]?.(code);ABORT=true}quit_(code,new ExitStatus(code))};var exitJS=(status,implicit)=>{EXITSTATUS=status;_proc_exit(status)};var _exit=exitJS;var maybeExit=()=>{if(!keepRuntimeAlive()){try{_exit(EXITSTATUS)}catch(e){handleException(e)}}};var callUserCallback=func=>{if(ABORT){return}try{func();maybeExit()}catch(e){handleException(e)}};var _emscripten_get_now=()=>performance.now();var __setitimer_js=(which,timeout_ms)=>{if(timers[which]){clearTimeout(timers[which].id);delete timers[which]}if(!timeout_ms)return 0;var id=setTimeout(()=>{delete timers[which];callUserCallback(()=>__emscripten_timeout(which,_emscripten_get_now()))},timeout_ms);timers[which]={id,timeout_ms};return 0};var getHeapMax=()=>2147483648;var alignMemory=(size,alignment)=>Math.ceil(size/alignment)*alignment;var growMemory=size=>{var oldHeapSize=wasmMemory.buffer.byteLength;var pages=(size-oldHeapSize+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};var uleb128EncodeWithLen=arr=>{const n=arr.length;return[n%128|128,n>>7,...arr]};var wasmTypeCodes={i:127,p:127,j:126,f:125,d:124,e:111};var generateTypePack=types=>uleb128EncodeWithLen(Array.from(types,type=>{var code=wasmTypeCodes[type];return code}));var convertJsFunctionToWasm=(func,sig)=>{var bytes=Uint8Array.of(0,97,115,109,1,0,0,0,1,...uleb128EncodeWithLen([1,96,...generateTypePack(sig.slice(1)),...generateTypePack(sig[0]==="v"?"":sig[0])]),2,7,1,1,101,1,102,0,0,7,5,1,1,102,0,0);var module=new WebAssembly.Module(bytes);var instance=new WebAssembly.Instance(module,{e:{f:func}});var wrappedFunc=instance.exports["f"];return wrappedFunc};var wasmTable;var getWasmTableEntry=funcPtr=>wasmTable.get(funcPtr);var updateTableMap=(offset,count)=>{if(functionsInTableMap){for(var i=offset;i<offset+count;i++){var item=getWasmTableEntry(i);if(item){functionsInTableMap.set(item,i)}}}};var functionsInTableMap;var getFunctionAddress=func=>{if(!functionsInTableMap){functionsInTableMap=new WeakMap;updateTableMap(0,wasmTable.length)}return functionsInTableMap.get(func)||0};var freeTableIndexes=[];var getEmptyTableSlot=()=>{if(freeTableIndexes.length){return freeTableIndexes.pop()}return wasmTable["grow"](1)};var setWasmTableEntry=(idx,func)=>wasmTable.set(idx,func);var addFunction=(func,sig)=>{var rtn=getFunctionAddress(func);if(rtn){return rtn}var ret=getEmptyTableSlot();try{setWasmTableEntry(ret,func)}catch(err){if(!(err instanceof TypeError)){throw err}var wrapped=convertJsFunctionToWasm(func,sig);setWasmTableEntry(ret,wrapped)}functionsInTableMap.set(func,ret);return ret};var removeFunction=index=>{functionsInTableMap.delete(getWasmTableEntry(index));setWasmTableEntry(index,null);freeTableIndexes.push(index)};{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"]}Module["wasmMemory"]=wasmMemory;Module["wasmExports"]=wasmExports;Module["addFunction"]=addFunction;Module["removeFunction"]=removeFunction;var _hb_blob_create,_hb_blob_destroy,_hb_blob_get_length,_hb_blob_get_data,_hb_buffer_serialize_glyphs,_hb_buffer_create,_hb_buffer_destroy,_hb_buffer_get_content_type,_hb_buffer_set_direction,_hb_buffer_set_script,_hb_buffer_set_language,_hb_buffer_set_flags,_hb_buffer_set_cluster_level,_hb_buffer_get_length,_hb_buffer_get_glyph_infos,_hb_buffer_get_glyph_positions,_hb_glyph_info_get_glyph_flags,_hb_buffer_guess_segment_properties,_hb_buffer_add_utf8,_hb_buffer_add_utf16,_hb_buffer_set_message_func,_hb_language_from_string,_hb_script_from_string,_hb_version,_hb_version_string,_hb_feature_from_string,_malloc,_free,_hb_draw_funcs_set_move_to_func,_hb_draw_funcs_set_line_to_func,_hb_draw_funcs_set_quadratic_to_func,_hb_draw_funcs_set_cubic_to_func,_hb_draw_funcs_set_close_path_func,_hb_draw_funcs_create,_hb_draw_funcs_destroy,_hb_face_create,_hb_face_destroy,_hb_face_reference_table,_hb_face_get_upem,_hb_face_collect_unicodes,_hb_font_draw_glyph,_hb_font_glyph_to_string,_hb_font_create,_hb_font_set_variations,_hb_font_destroy,_hb_font_set_scale,_hb_set_create,_hb_set_destroy,_hb_ot_var_get_axis_infos,_hb_set_get_population,_hb_set_next_many,_hb_shape,__emscripten_timeout;function assignWasmExports(wasmExports){Module["_hb_blob_create"]=_hb_blob_create=wasmExports["hb_blob_create"];Module["_hb_blob_destroy"]=_hb_blob_destroy=wasmExports["hb_blob_destroy"];Module["_hb_blob_get_length"]=_hb_blob_get_length=wasmExports["hb_blob_get_length"];Module["_hb_blob_get_data"]=_hb_blob_get_data=wasmExports["hb_blob_get_data"];Module["_hb_buffer_serialize_glyphs"]=_hb_buffer_serialize_glyphs=wasmExports["hb_buffer_serialize_glyphs"];Module["_hb_buffer_create"]=_hb_buffer_create=wasmExports["hb_buffer_create"];Module["_hb_buffer_destroy"]=_hb_buffer_destroy=wasmExports["hb_buffer_destroy"];Module["_hb_buffer_get_content_type"]=_hb_buffer_get_content_type=wasmExports["hb_buffer_get_content_type"];Module["_hb_buffer_set_direction"]=_hb_buffer_set_direction=wasmExports["hb_buffer_set_direction"];Module["_hb_buffer_set_script"]=_hb_buffer_set_script=wasmExports["hb_buffer_set_script"];Module["_hb_buffer_set_language"]=_hb_buffer_set_language=wasmExports["hb_buffer_set_language"];Module["_hb_buffer_set_flags"]=_hb_buffer_set_flags=wasmExports["hb_buffer_set_flags"];Module["_hb_buffer_set_cluster_level"]=_hb_buffer_set_cluster_level=wasmExports["hb_buffer_set_cluster_level"];Module["_hb_buffer_get_length"]=_hb_buffer_get_length=wasmExports["hb_buffer_get_length"];Module["_hb_buffer_get_glyph_infos"]=_hb_buffer_get_glyph_infos=wasmExports["hb_buffer_get_glyph_infos"];Module["_hb_buffer_get_glyph_positions"]=_hb_buffer_get_glyph_positions=wasmExports["hb_buffer_get_glyph_positions"];Module["_hb_glyph_info_get_glyph_flags"]=_hb_glyph_info_get_glyph_flags=wasmExports["hb_glyph_info_get_glyph_flags"];Module["_hb_buffer_guess_segment_properties"]=_hb_buffer_guess_segment_properties=wasmExports["hb_buffer_guess_segment_properties"];Module["_hb_buffer_add_utf8"]=_hb_buffer_add_utf8=wasmExports["hb_buffer_add_utf8"];Module["_hb_buffer_add_utf16"]=_hb_buffer_add_utf16=wasmExports["hb_buffer_add_utf16"];Module["_hb_buffer_set_message_func"]=_hb_buffer_set_message_func=wasmExports["hb_buffer_set_message_func"];Module["_hb_language_from_string"]=_hb_language_from_string=wasmExports["hb_language_from_string"];Module["_hb_script_from_string"]=_hb_script_from_string=wasmExports["hb_script_from_string"];Module["_hb_version"]=_hb_version=wasmExports["hb_version"];Module["_hb_version_string"]=_hb_version_string=wasmExports["hb_version_string"];Module["_hb_feature_from_string"]=_hb_feature_from_string=wasmExports["hb_feature_from_string"];Module["_malloc"]=_malloc=wasmExports["malloc"];Module["_free"]=_free=wasmExports["free"];Module["_hb_draw_funcs_set_move_to_func"]=_hb_draw_funcs_set_move_to_func=wasmExports["hb_draw_funcs_set_move_to_func"];Module["_hb_draw_funcs_set_line_to_func"]=_hb_draw_funcs_set_line_to_func=wasmExports["hb_draw_funcs_set_line_to_func"];Module["_hb_draw_funcs_set_quadratic_to_func"]=_hb_draw_funcs_set_quadratic_to_func=wasmExports["hb_draw_funcs_set_quadratic_to_func"];Module["_hb_draw_funcs_set_cubic_to_func"]=_hb_draw_funcs_set_cubic_to_func=wasmExports["hb_draw_funcs_set_cubic_to_func"];Module["_hb_draw_funcs_set_close_path_func"]=_hb_draw_funcs_set_close_path_func=wasmExports["hb_draw_funcs_set_close_path_func"];Module["_hb_draw_funcs_create"]=_hb_draw_funcs_create=wasmExports["hb_draw_funcs_create"];Module["_hb_draw_funcs_destroy"]=_hb_draw_funcs_destroy=wasmExports["hb_draw_funcs_destroy"];Module["_hb_face_create"]=_hb_face_create=wasmExports["hb_face_create"];Module["_hb_face_destroy"]=_hb_face_destroy=wasmExports["hb_face_destroy"];Module["_hb_face_reference_table"]=_hb_face_reference_table=wasmExports["hb_face_reference_table"];Module["_hb_face_get_upem"]=_hb_face_get_upem=wasmExports["hb_face_get_upem"];Module["_hb_face_collect_unicodes"]=_hb_face_collect_unicodes=wasmExports["hb_face_collect_unicodes"];Module["_hb_font_draw_glyph"]=_hb_font_draw_glyph=wasmExports["hb_font_draw_glyph"];Module["_hb_font_glyph_to_string"]=_hb_font_glyph_to_string=wasmExports["hb_font_glyph_to_string"];Module["_hb_font_create"]=_hb_font_create=wasmExports["hb_font_create"];Module["_hb_font_set_variations"]=_hb_font_set_variations=wasmExports["hb_font_set_variations"];Module["_hb_font_destroy"]=_hb_font_destroy=wasmExports["hb_font_destroy"];Module["_hb_font_set_scale"]=_hb_font_set_scale=wasmExports["hb_font_set_scale"];Module["_hb_set_create"]=_hb_set_create=wasmExports["hb_set_create"];Module["_hb_set_destroy"]=_hb_set_destroy=wasmExports["hb_set_destroy"];Module["_hb_ot_var_get_axis_infos"]=_hb_ot_var_get_axis_infos=wasmExports["hb_ot_var_get_axis_infos"];Module["_hb_set_get_population"]=_hb_set_get_population=wasmExports["hb_set_get_population"];Module["_hb_set_next_many"]=_hb_set_next_many=wasmExports["hb_set_next_many"];Module["_hb_shape"]=_hb_shape=wasmExports["hb_shape"];__emscripten_timeout=wasmExports["_emscripten_timeout"]}var wasmImports={_abort_js:__abort_js,_emscripten_runtime_keepalive_clear:__emscripten_runtime_keepalive_clear,_setitimer_js:__setitimer_js,emscripten_resize_heap:_emscripten_resize_heap,proc_exit:_proc_exit};var wasmExports=await createWasm();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();if(runtimeInitialized){moduleRtn=Module}else{moduleRtn=new Promise((resolve,reject)=>{readyPromiseResolve=resolve;readyPromiseReject=reject})}
;return moduleRtn}})();if(typeof exports==="object"&&typeof module==="object"){module.exports=createHarfBuzz;module.exports.default=createHarfBuzz}else if(typeof define==="function"&&define["amd"])define([],()=>createHarfBuzz);