rsnext/packages/next/compiled/get-orientation/index.js

(()=>{var e={780:(e,t)=>{"use strict";Object.defineProperty(t,"__esModule",{value:true});var r;(function(e){e[e["TOP_LEFT"]=1]="TOP_LEFT";e[e["TOP_RIGHT"]=2]="TOP_RIGHT";e[e["BOTTOM_RIGHT"]=3]="BOTTOM_RIGHT";e[e["BOTTOM_LEFT"]=4]="BOTTOM_LEFT";e[e["LEFT_TOP"]=5]="LEFT_TOP";e[e["RIGHT_TOP"]=6]="RIGHT_TOP";e[e["RIGHT_BOTTOM"]=7]="RIGHT_BOTTOM";e[e["LEFT_BOTTOM"]=8]="LEFT_BOTTOM"})(r=t.Orientation||(t.Orientation={}))},330:(e,t,r)=>{"use strict";Object.defineProperty(t,"__esModule",{value:true});const s=r(781);const i=r(300);class StreamParserWritableClass extends s.Writable{constructor(){super();i(this)}}t.StreamParserWritable=StreamParserWritableClass},300:(e,t,r)=>{var s=r(491);var i=r(937)("stream-parser");e.exports=Parser;var n=-1;var a=0;var o=1;var f=2;function Parser(e){var t=e&&"function"==typeof e._transform;var r=e&&"function"==typeof e._write;if(!t&&!r)throw new Error("must pass a Writable or Transform stream in");i("extending Parser into stream");e._bytes=_bytes;e._skipBytes=_skipBytes;if(t)e._passthrough=_passthrough;if(t){e._transform=transform}else{e._write=write}}function init(e){i("initializing parser stream");e._parserBytesLeft=0;e._parserBuffers=[];e._parserBuffered=0;e._parserState=n;e._parserCallback=null;if("function"==typeof e.push){e._parserOutput=e.push.bind(e)}e._parserInit=true}function _bytes(e,t){s(!this._parserCallback,'there is already a "callback" set!');s(isFinite(e)&&e>0,'can only buffer a finite number of bytes > 0, got "'+e+'"');if(!this._parserInit)init(this);i("buffering %o bytes",e);this._parserBytesLeft=e;this._parserCallback=t;this._parserState=a}function _skipBytes(e,t){s(!this._parserCallback,'there is already a "callback" set!');s(e>0,'can only skip > 0 bytes, got "'+e+'"');if(!this._parserInit)init(this);i("skipping %o bytes",e);this._parserBytesLeft=e;this._parserCallback=t;this._parserState=o}function _passthrough(e,t){s(!this._parserCallback,'There is already a "callback" set!');s(e>0,'can only pass through > 0 bytes, got "'+e+'"');if(!this._parserInit)init(this);i("passing through %o bytes",e);this._parserBytesLeft=e;this._parserCallback=t;this._parserState=f}function write(e,t,r){if(!this._parserInit)init(this);i("write(%o bytes)",e.length);if("function"==typeof t)r=t;_(this,e,null,r)}function transform(e,t,r){if(!this._parserInit)init(this);i("transform(%o bytes)",e.length);if("function"!=typeof t){t=this._parserOutput}_(this,e,t,r)}function _data(e,t,r,s){if(e._parserBytesLeft<=0){return s(new Error("got data but not currently parsing anything"))}if(t.length<=e._parserBytesLeft){return function(){return process(e,t,r,s)}}else{return function(){var i=t.slice(0,e._parserBytesLeft);return process(e,i,r,(function(n){if(n)return s(n);if(t.length>i.length){return function(){return _data(e,t.slice(i.length),r,s)}}}))}}}function process(e,t,r,s){e._parserBytesLeft-=t.length;i("%o bytes left for stream piece",e._parserBytesLeft);if(e._parserState===a){e._parserBuffers.push(t);e._parserBuffered+=t.length}else if(e._parserState===f){r(t)}if(0===e._parserBytesLeft){var o=e._parserCallback;if(o&&e._parserState===a&&e._parserBuffers.length>1){t=Buffer.concat(e._parserBuffers,e._parserBuffered)}if(e._parserState!==a){t=null}e._parserCallback=null;e._parserBuffered=0;e._parserState=n;e._parserBuffers.splice(0);if(o){var _=[];if(t){_.push(t)}else{}if(r){_.push(r)}var p=o.length>_.length;if(p){_.push(trampoline(s))}var u=o.apply(e,_);if(!p||s===u)return s}}else{return s}}var _=trampoline(_data);function trampoline(e){return function(){var t=e.apply(this,arguments);while("function"==typeof t){t=t()}return t}}},491:e=>{"use strict";e.exports=require("assert")},937:e=>{"use strict";e.exports=require("next/dist/compiled/debug")},781:e=>{"use strict";e.exports=require("stream")}};var t={};function __nccwpck_require__(r){var s=t[r];if(s!==undefined){return s.exports}var i=t[r]={exports:{}};var n=true;try{e[r](i,i.exports,__nccwpck_require__);n=false}finally{if(n)delete t[r]}return i.exports}if(typeof __nccwpck_require__!=="undefined")__nccwpck_require__.ab=__dirname+"/";var r={};(()=>{"use strict";var e=r;Object.defineProperty(e,"__esModule",{value:true});const t=__nccwpck_require__(781);const s=__nccwpck_require__(780);e.Orientation=s.Orientation;const i=__nccwpck_require__(330);const noop=()=>{};class EXIFOrientationParser extends i.StreamParserWritable{constructor(){super();this._bytes(4,this.onSignature.bind(this))}onSignature(e){const t=e.readUInt16BE(0);const r=e.readUInt16BE(2);if(t===65496){this.onJPEGMarker(e.slice(2))}else if(t===18761&&r===10752||t===19789&&r===42){this._bytes(4,(t=>{this.onTIFFHeader(Buffer.concat([e,t]))}))}else{this._skipBytes(Infinity,noop)}}onJPEGMarker(e){const t=e.readUInt16BE(0);if(t===65505){this._bytes(8,(e=>{const t=e.readUInt16BE(2)===17784&&e.readUInt16BE(4)===26982&&e.readUInt16BE(6)===0;if(t){this._bytes(8,this.onTIFFHeader.bind(this))}else{const t=e.readUInt16BE(0);const r=t-6;this._skipBytes(r,(()=>{this._bytes(2,this.onJPEGMarker.bind(this))}))}}))}else if(65504<=t&&t<=65519){this._bytes(2,(t=>{const r=t.readUInt16BE(0);const s=r-e.length;this._skipBytes(s,(()=>{this._bytes(2,this.onJPEGMarker.bind(this))}))}))}else{this._skipBytes(Infinity,noop)}}onTIFFHeader(e){const t=e.readUInt16BE(0)===18761;const readUInt16=(e,r)=>t?e.readUInt16LE(r):e.readUInt16BE(r);const readUInt32=(e,r)=>t?e.readUInt32LE(r):e.readUInt32BE(r);const r=readUInt32(e,4);const s=r-e.length;const consumeIDFBlock=()=>{this._bytes(2,(e=>{let t=readUInt16(e,0);const consumeIFDFields=()=>{if(t-- >0){this._bytes(12,(e=>{const t=readUInt16(e,0);if(t===274){const t=e.slice(8,12);const r=readUInt16(t,0);if(1<=r&&r<=8){this.emit("orientation",r)}else{this.emit("error",new Error("Unexpected Orientation value"))}this._skipBytes(Infinity,noop)}else{consumeIFDFields()}}))}else{this._skipBytes(Infinity,noop)}};consumeIFDFields()}))};if(s>0){this._skipBytes(s,consumeIDFBlock)}else{consumeIDFBlock()}}}e.EXIFOrientationParser=EXIFOrientationParser;function getOrientation(e){return new Promise(((r,i)=>{const n=(new EXIFOrientationParser).once("error",onError).once("finish",onFinish).once("orientation",onOrientation);let a=false;function onError(e){n.removeListener("finish",onFinish);n.removeListener("orientation",onOrientation);if(!a){a=true;i(e)}}function onFinish(){n.removeListener("error",onError);n.removeListener("orientation",onOrientation);if(!a){a=true;r(s.Orientation.TOP_LEFT)}}function onOrientation(e){n.removeListener("error",onError);n.removeListener("finish",onFinish);if(!a){a=true;r(e)}}if(Buffer.isBuffer(e)){n.end(e)}else if(e instanceof t.Readable){e.pipe(n)}else{throw new TypeError("Unexpected input type")}}))}e.getOrientation=getOrientation})();module.exports=r})();