next
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The React Framework
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JavaScript
;exports.__esModule=true;exports.processBuffer=processBuffer;var _jestWorker=require("jest-worker");var path=_interopRequireWildcard(require("path"));var _utils=require("../../../lib/utils");var _os=require("os");function _getRequireWildcardCache(){if(typeof WeakMap!=="function")return null;var cache=new WeakMap();_getRequireWildcardCache=function(){return cache;};return cache;}function _interopRequireWildcard(obj){if(obj&&obj.__esModule){return obj;}if(obj===null||typeof obj!=="object"&&typeof obj!=="function"){return{default:obj};}var cache=_getRequireWildcardCache();if(cache&&cache.has(obj)){return cache.get(obj);}var newObj={};var hasPropertyDescriptor=Object.defineProperty&&Object.getOwnPropertyDescriptor;for(var key in obj){if(Object.prototype.hasOwnProperty.call(obj,key)){var desc=hasPropertyDescriptor?Object.getOwnPropertyDescriptor(obj,key):null;if(desc&&(desc.get||desc.set)){Object.defineProperty(newObj,key,desc);}else{newObj[key]=obj[key];}}}newObj.default=obj;if(cache){cache.set(obj,newObj);}return newObj;}const getWorker=(0,_utils.execOnce)(()=>new _jestWorker.Worker(path.resolve(__dirname,'impl'),{enableWorkerThreads:true,// There will be at most 6 workers needed since each worker will take
// at least 1 operation type.
numWorkers:Math.max(1,Math.min((0,_os.cpus)().length-1,6)),computeWorkerKey:method=>method}));async function processBuffer(buffer,operations,encoding,quality){const worker=getWorker();let imageData=await worker.decodeBuffer(buffer);for(const operation of operations){if(operation.type==='rotate'){imageData=await worker.rotate(imageData,operation.numRotations);}else if(operation.type==='resize'){if(operation.width&&imageData.width&&imageData.width>operation.width){imageData=await worker.resize({image:imageData,width:operation.width});}else if(operation.height&&imageData.height&&imageData.height>operation.height){imageData=await worker.resize({image:imageData,height:operation.height});}}}switch(encoding){case'jpeg':return Buffer.from(await worker.encodeJpeg(imageData,{quality}));case'webp':return Buffer.from(await worker.encodeWebp(imageData,{quality}));case'png':return Buffer.from(await worker.encodePng(imageData));default:throw Error(`Unsupported encoding format`);}}
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