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tesseract.js

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tesseract.js - npm Package Compare versions

Comparing version 1.0.14 to 1.0.16

6

dist/tesseract.js

@@ -190,7 +190,7 @@ (function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Tesseract = f()}})(function(){var define,module,exports;return (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){

"name": "tesseract.js",
"version": "1.0.13",
"version": "1.0.16",
"description": "Pure Javascript Multilingual OCR",
"main": "src/index.js",
"scripts": {
"start": "concurrently --kill-others \"watchify src/index.js -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.dev.js --standalone Tesseract\" \"watchify src/browser/worker.js -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/worker.dev.js\" \"http-server -p 7355\"",
"start": "concurrently --kill-others \"watchify src/index.js -t [ envify --TESS_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.dev.js --standalone Tesseract\" \"watchify src/browser/worker.js -t [ envify --TESS_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/worker.dev.js\" \"http-server -p 7355\"",
"build": "browserify src/index.js -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.js --standalone Tesseract && browserify src/browser/worker.js -t [ babelify --presets [ es2015 ] ] -o dist/worker.js && uglifyjs dist/tesseract.js --source-map -o dist/tesseract.min.js && uglifyjs dist/worker.js --source-map -o dist/worker.min.js",

@@ -246,3 +246,3 @@ "release": "npm run build && git commit -am 'new release' && git push && git tag `jq -r '.version' package.json` && git push origin --tags && npm publish"

if (process.env.NODE_ENV === "development") {
if (process.env.TESS_ENV === "development") {
console.debug('Using Development Configuration');

@@ -249,0 +249,0 @@ defaultOptions.workerPath = location.protocol + '//' + location.host + '/dist/worker.dev.js?nocache=' + Math.random().toString(36).slice(3);

2

dist/tesseract.min.js

@@ -1,1 +0,1 @@

(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Tesseract=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var process=module.exports={};var cachedSetTimeout;var cachedClearTimeout;function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}(function(){try{if(typeof setTimeout==="function"){cachedSetTimeout=setTimeout}else{cachedSetTimeout=defaultSetTimout}}catch(e){cachedSetTimeout=defaultSetTimout}try{if(typeof clearTimeout==="function"){cachedClearTimeout=clearTimeout}else{cachedClearTimeout=defaultClearTimeout}}catch(e){cachedClearTimeout=defaultClearTimeout}})();function runTimeout(fun){if(cachedSetTimeout===setTimeout){return setTimeout(fun,0)}if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout){cachedSetTimeout=setTimeout;return setTimeout(fun,0)}try{return cachedSetTimeout(fun,0)}catch(e){try{return cachedSetTimeout.call(null,fun,0)}catch(e){return cachedSetTimeout.call(this,fun,0)}}}function runClearTimeout(marker){if(cachedClearTimeout===clearTimeout){return clearTimeout(marker)}if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout){cachedClearTimeout=clearTimeout;return clearTimeout(marker)}try{return cachedClearTimeout(marker)}catch(e){try{return cachedClearTimeout.call(null,marker)}catch(e){return cachedClearTimeout.call(this,marker)}}}var queue=[];var draining=false;var currentQueue;var queueIndex=-1;function cleanUpNextTick(){if(!draining||!currentQueue){return}draining=false;if(currentQueue.length){queue=currentQueue.concat(queue)}else{queueIndex=-1}if(queue.length){drainQueue()}}function drainQueue(){if(draining){return}var timeout=runTimeout(cleanUpNextTick);draining=true;var len=queue.length;while(len){currentQueue=queue;queue=[];while(++queueIndex<len){if(currentQueue){currentQueue[queueIndex].run()}}queueIndex=-1;len=queue.length}currentQueue=null;draining=false;runClearTimeout(timeout)}process.nextTick=function(fun){var args=new Array(arguments.length-1);if(arguments.length>1){for(var i=1;i<arguments.length;i++){args[i-1]=arguments[i]}}queue.push(new Item(fun,args));if(queue.length===1&&!draining){runTimeout(drainQueue)}};function Item(fun,array){this.fun=fun;this.array=array}Item.prototype.run=function(){this.fun.apply(null,this.array)};process.title="browser";process.browser=true;process.env={};process.argv=[];process.version="";process.versions={};function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.prependListener=noop;process.prependOnceListener=noop;process.listeners=function(name){return[]};process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")};process.umask=function(){return 0}},{}],2:[function(require,module,exports){module.exports={name:"tesseract.js",version:"1.0.13",description:"Pure Javascript Multilingual OCR",main:"src/index.js",scripts:{start:'concurrently --kill-others "watchify src/index.js -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.dev.js --standalone Tesseract" "watchify src/browser/worker.js -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/worker.dev.js" "http-server -p 7355"',build:"browserify src/index.js -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.js --standalone Tesseract && browserify src/browser/worker.js -t [ babelify --presets [ es2015 ] ] -o dist/worker.js && uglifyjs dist/tesseract.js --source-map -o dist/tesseract.min.js && uglifyjs dist/worker.js --source-map -o dist/worker.min.js",release:"npm run build && git commit -am 'new release' && git push && git tag `jq -r '.version' package.json` && git push origin --tags && npm publish"},browser:{"./src/node/index.js":"./src/browser/index.js"},author:"",license:"Apache-2.0",devDependencies:{"babel-preset-es2015":"^6.16.0",babelify:"^7.3.0",browserify:"^13.1.0",concurrently:"^3.1.0",envify:"^3.4.1","http-server":"^0.9.0",pako:"^1.0.3","uglify-js":"^3.4.9",watchify:"^3.7.0"},dependencies:{"file-type":"^3.8.0","isomorphic-fetch":"^2.2.1","is-url":"1.2.2","jpeg-js":"^0.2.0","level-js":"^2.2.4","node-fetch":"^1.6.3","object-assign":"^4.1.0","png.js":"^0.2.1","tesseract.js-core":"^1.0.2"},repository:{type:"git",url:"https://github.com/naptha/tesseract.js.git"},bugs:{url:"https://github.com/naptha/tesseract.js/issues"},homepage:"https://github.com/naptha/tesseract.js"}},{}],3:[function(require,module,exports){(function(process){"use strict";var defaultOptions={corePath:"https://cdn.jsdelivr.net/gh/naptha/tesseract.js-core@0.1.0/index.js",langPath:"https://tessdata.projectnaptha.com/3.02/"};if(process.env.NODE_ENV==="development"){console.debug("Using Development Configuration");defaultOptions.workerPath=location.protocol+"//"+location.host+"/dist/worker.dev.js?nocache="+Math.random().toString(36).slice(3)}else{var version=require("../../package.json").version;defaultOptions.workerPath="https://cdn.jsdelivr.net/gh/naptha/tesseract.js@"+version+"/dist/worker.js"}exports.defaultOptions=defaultOptions;exports.spawnWorker=function spawnWorker(instance,workerOptions){if(window.Blob&&window.URL){var blob=new Blob(['importScripts("'+workerOptions.workerPath+'");']);var worker=new Worker(window.URL.createObjectURL(blob))}else{var worker=new Worker(workerOptions.workerPath)}worker.onmessage=function(e){var packet=e.data;instance._recv(packet)};return worker};exports.terminateWorker=function(instance){instance.worker.terminate()};exports.sendPacket=function sendPacket(instance,packet){loadImage(packet.payload.image,function(img){packet.payload.image=img;instance.worker.postMessage(packet)})};function loadImage(image,cb){if(typeof image==="string"){if(/^\#/.test(image)){return loadImage(document.querySelector(image),cb)}else if(/(blob|data)\:/.test(image)){var im=new Image;im.src=image;im.onload=function(e){return loadImage(im,cb)};return}else{var xhr=new XMLHttpRequest;xhr.open("GET",image,true);xhr.responseType="blob";xhr.onload=function(e){return loadImage(xhr.response,cb)};xhr.onerror=function(e){if(/^https?:\/\//.test(image)&&!/^https:\/\/crossorigin.me/.test(image)){console.debug("Attempting to load image with CORS proxy");loadImage("https://crossorigin.me/"+image,cb)}};xhr.send(null);return}}else if(image instanceof File){var fr=new FileReader;fr.onload=function(e){return loadImage(fr.result,cb)};fr.readAsDataURL(image);return}else if(image instanceof Blob){return loadImage(URL.createObjectURL(image),cb)}else if(image.getContext){return loadImage(image.getContext("2d"),cb)}else if(image.tagName=="IMG"||image.tagName=="VIDEO"){var c=document.createElement("canvas");c.width=image.naturalWidth||image.videoWidth;c.height=image.naturalHeight||image.videoHeight;var ctx=c.getContext("2d");ctx.drawImage(image,0,0);return loadImage(ctx,cb)}else if(image.getImageData){var data=image.getImageData(0,0,image.canvas.width,image.canvas.height);return loadImage(data,cb)}else{return cb(image)}throw new Error("Missing return in loadImage cascade")}}).call(this,require("_process"))},{"../../package.json":2,_process:1}],4:[function(require,module,exports){"use strict";module.exports=function circularize(page){page.paragraphs=[];page.lines=[];page.words=[];page.symbols=[];page.blocks.forEach(function(block){block.page=page;block.lines=[];block.words=[];block.symbols=[];block.paragraphs.forEach(function(para){para.block=block;para.page=page;para.words=[];para.symbols=[];para.lines.forEach(function(line){line.paragraph=para;line.block=block;line.page=page;line.symbols=[];line.words.forEach(function(word){word.line=line;word.paragraph=para;word.block=block;word.page=page;word.symbols.forEach(function(sym){sym.word=word;sym.line=line;sym.paragraph=para;sym.block=block;sym.page=page;sym.line.symbols.push(sym);sym.paragraph.symbols.push(sym);sym.block.symbols.push(sym);sym.page.symbols.push(sym)});word.paragraph.words.push(word);word.block.words.push(word);word.page.words.push(word)});line.block.lines.push(line);line.page.lines.push(line)});para.page.paragraphs.push(para)})});return page}},{}],5:[function(require,module,exports){"use strict";var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor}}();function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function")}}var adapter=require("../node/index.js");var jobCounter=0;module.exports=function(){function TesseractJob(instance){_classCallCheck(this,TesseractJob);this.id="Job-"+ ++jobCounter+"-"+Math.random().toString(16).slice(3,8);this._instance=instance;this._resolve=[];this._reject=[];this._progress=[];this._finally=[]}_createClass(TesseractJob,[{key:"then",value:function then(resolve,reject){if(this._resolve.push){this._resolve.push(resolve)}else{resolve(this._resolve)}if(reject)this.catch(reject);return this}},{key:"catch",value:function _catch(reject){if(this._reject.push){this._reject.push(reject)}else{reject(this._reject)}return this}},{key:"progress",value:function progress(fn){this._progress.push(fn);return this}},{key:"finally",value:function _finally(fn){this._finally.push(fn);return this}},{key:"_send",value:function _send(action,payload){adapter.sendPacket(this._instance,{jobId:this.id,action:action,payload:payload})}},{key:"_handle",value:function _handle(packet){var data=packet.data;var runFinallyCbs=false;if(packet.status==="resolve"){if(this._resolve.length===0)console.log(data);this._resolve.forEach(function(fn){var ret=fn(data);if(ret&&typeof ret.then=="function"){console.warn("TesseractJob instances do not chain like ES6 Promises. To convert it into a real promise, use Promise.resolve.")}});this._resolve=data;this._instance._dequeue();runFinallyCbs=true}else if(packet.status==="reject"){if(this._reject.length===0)console.error(data);this._reject.forEach(function(fn){return fn(data)});this._reject=data;this._instance._dequeue();runFinallyCbs=true}else if(packet.status==="progress"){this._progress.forEach(function(fn){return fn(data)})}else{console.warn("Message type unknown",packet.status)}if(runFinallyCbs){this._finally.forEach(function(fn){return fn(data)})}}}]);return TesseractJob}()},{"../node/index.js":3}],6:[function(require,module,exports){"use strict";var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor}}();function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function")}}var adapter=require("./node/index.js");var circularize=require("./common/circularize.js");var TesseractJob=require("./common/job");var version=require("../package.json").version;var create=function create(){var workerOptions=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};var worker=new TesseractWorker(Object.assign({},adapter.defaultOptions,workerOptions));worker.create=create;worker.version=version;return worker};var TesseractWorker=function(){function TesseractWorker(workerOptions){_classCallCheck(this,TesseractWorker);this.worker=null;this.workerOptions=workerOptions;this._currentJob=null;this._queue=[]}_createClass(TesseractWorker,[{key:"recognize",value:function recognize(image){var _this=this;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};return this._delay(function(job){if(typeof options==="string")options={lang:options};options.lang=options.lang||"eng";job._send("recognize",{image:image,options:options,workerOptions:_this.workerOptions})})}},{key:"detect",value:function detect(image){var _this2=this;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};return this._delay(function(job){job._send("detect",{image:image,options:options,workerOptions:_this2.workerOptions})})}},{key:"terminate",value:function terminate(){if(this.worker)adapter.terminateWorker(this);this.worker=null;this._currentJob=null;this._queue=[]}},{key:"_delay",value:function _delay(fn){var _this3=this;if(!this.worker)this.worker=adapter.spawnWorker(this,this.workerOptions);var job=new TesseractJob(this);this._queue.push(function(e){_this3._queue.shift();_this3._currentJob=job;fn(job)});if(!this._currentJob)this._dequeue();return job}},{key:"_dequeue",value:function _dequeue(){this._currentJob=null;if(this._queue.length){this._queue[0]()}}},{key:"_recv",value:function _recv(packet){if(packet.status==="resolve"&&packet.action==="recognize"){packet.data=circularize(packet.data)}if(this._currentJob.id===packet.jobId){this._currentJob._handle(packet)}else{console.warn("Job ID "+packet.jobId+" not known.")}}}]);return TesseractWorker}();module.exports=create()},{"../package.json":2,"./common/circularize.js":4,"./common/job":5,"./node/index.js":3}]},{},[6])(6)});
(function(f){if(typeof exports==="object"&&typeof module!=="undefined"){module.exports=f()}else if(typeof define==="function"&&define.amd){define([],f)}else{var g;if(typeof window!=="undefined"){g=window}else if(typeof global!=="undefined"){g=global}else if(typeof self!=="undefined"){g=self}else{g=this}g.Tesseract=f()}})(function(){var define,module,exports;return function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s}({1:[function(require,module,exports){var process=module.exports={};var cachedSetTimeout;var cachedClearTimeout;function defaultSetTimout(){throw new Error("setTimeout has not been defined")}function defaultClearTimeout(){throw new Error("clearTimeout has not been defined")}(function(){try{if(typeof setTimeout==="function"){cachedSetTimeout=setTimeout}else{cachedSetTimeout=defaultSetTimout}}catch(e){cachedSetTimeout=defaultSetTimout}try{if(typeof clearTimeout==="function"){cachedClearTimeout=clearTimeout}else{cachedClearTimeout=defaultClearTimeout}}catch(e){cachedClearTimeout=defaultClearTimeout}})();function runTimeout(fun){if(cachedSetTimeout===setTimeout){return setTimeout(fun,0)}if((cachedSetTimeout===defaultSetTimout||!cachedSetTimeout)&&setTimeout){cachedSetTimeout=setTimeout;return setTimeout(fun,0)}try{return cachedSetTimeout(fun,0)}catch(e){try{return cachedSetTimeout.call(null,fun,0)}catch(e){return cachedSetTimeout.call(this,fun,0)}}}function runClearTimeout(marker){if(cachedClearTimeout===clearTimeout){return clearTimeout(marker)}if((cachedClearTimeout===defaultClearTimeout||!cachedClearTimeout)&&clearTimeout){cachedClearTimeout=clearTimeout;return clearTimeout(marker)}try{return cachedClearTimeout(marker)}catch(e){try{return cachedClearTimeout.call(null,marker)}catch(e){return cachedClearTimeout.call(this,marker)}}}var queue=[];var draining=false;var currentQueue;var queueIndex=-1;function cleanUpNextTick(){if(!draining||!currentQueue){return}draining=false;if(currentQueue.length){queue=currentQueue.concat(queue)}else{queueIndex=-1}if(queue.length){drainQueue()}}function drainQueue(){if(draining){return}var timeout=runTimeout(cleanUpNextTick);draining=true;var len=queue.length;while(len){currentQueue=queue;queue=[];while(++queueIndex<len){if(currentQueue){currentQueue[queueIndex].run()}}queueIndex=-1;len=queue.length}currentQueue=null;draining=false;runClearTimeout(timeout)}process.nextTick=function(fun){var args=new Array(arguments.length-1);if(arguments.length>1){for(var i=1;i<arguments.length;i++){args[i-1]=arguments[i]}}queue.push(new Item(fun,args));if(queue.length===1&&!draining){runTimeout(drainQueue)}};function Item(fun,array){this.fun=fun;this.array=array}Item.prototype.run=function(){this.fun.apply(null,this.array)};process.title="browser";process.browser=true;process.env={};process.argv=[];process.version="";process.versions={};function noop(){}process.on=noop;process.addListener=noop;process.once=noop;process.off=noop;process.removeListener=noop;process.removeAllListeners=noop;process.emit=noop;process.prependListener=noop;process.prependOnceListener=noop;process.listeners=function(name){return[]};process.binding=function(name){throw new Error("process.binding is not supported")};process.cwd=function(){return"/"};process.chdir=function(dir){throw new Error("process.chdir is not supported")};process.umask=function(){return 0}},{}],2:[function(require,module,exports){module.exports={name:"tesseract.js",version:"1.0.16",description:"Pure Javascript Multilingual OCR",main:"src/index.js",scripts:{start:'concurrently --kill-others "watchify src/index.js -t [ envify --TESS_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.dev.js --standalone Tesseract" "watchify src/browser/worker.js -t [ envify --TESS_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/worker.dev.js" "http-server -p 7355"',build:"browserify src/index.js -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.js --standalone Tesseract && browserify src/browser/worker.js -t [ babelify --presets [ es2015 ] ] -o dist/worker.js && uglifyjs dist/tesseract.js --source-map -o dist/tesseract.min.js && uglifyjs dist/worker.js --source-map -o dist/worker.min.js",release:"npm run build && git commit -am 'new release' && git push && git tag `jq -r '.version' package.json` && git push origin --tags && npm publish"},browser:{"./src/node/index.js":"./src/browser/index.js"},author:"",license:"Apache-2.0",devDependencies:{"babel-preset-es2015":"^6.16.0",babelify:"^7.3.0",browserify:"^13.1.0",concurrently:"^3.1.0",envify:"^3.4.1","http-server":"^0.9.0",pako:"^1.0.3","uglify-js":"^3.4.9",watchify:"^3.7.0"},dependencies:{"file-type":"^3.8.0","isomorphic-fetch":"^2.2.1","is-url":"1.2.2","jpeg-js":"^0.2.0","level-js":"^2.2.4","node-fetch":"^1.6.3","object-assign":"^4.1.0","png.js":"^0.2.1","tesseract.js-core":"^1.0.2"},repository:{type:"git",url:"https://github.com/naptha/tesseract.js.git"},bugs:{url:"https://github.com/naptha/tesseract.js/issues"},homepage:"https://github.com/naptha/tesseract.js"}},{}],3:[function(require,module,exports){(function(process){"use strict";var defaultOptions={corePath:"https://cdn.jsdelivr.net/gh/naptha/tesseract.js-core@0.1.0/index.js",langPath:"https://tessdata.projectnaptha.com/3.02/"};if(process.env.TESS_ENV==="development"){console.debug("Using Development Configuration");defaultOptions.workerPath=location.protocol+"//"+location.host+"/dist/worker.dev.js?nocache="+Math.random().toString(36).slice(3)}else{var version=require("../../package.json").version;defaultOptions.workerPath="https://cdn.jsdelivr.net/gh/naptha/tesseract.js@"+version+"/dist/worker.js"}exports.defaultOptions=defaultOptions;exports.spawnWorker=function spawnWorker(instance,workerOptions){if(window.Blob&&window.URL){var blob=new Blob(['importScripts("'+workerOptions.workerPath+'");']);var worker=new Worker(window.URL.createObjectURL(blob))}else{var worker=new Worker(workerOptions.workerPath)}worker.onmessage=function(e){var packet=e.data;instance._recv(packet)};return worker};exports.terminateWorker=function(instance){instance.worker.terminate()};exports.sendPacket=function sendPacket(instance,packet){loadImage(packet.payload.image,function(img){packet.payload.image=img;instance.worker.postMessage(packet)})};function loadImage(image,cb){if(typeof image==="string"){if(/^\#/.test(image)){return loadImage(document.querySelector(image),cb)}else if(/(blob|data)\:/.test(image)){var im=new Image;im.src=image;im.onload=function(e){return loadImage(im,cb)};return}else{var xhr=new XMLHttpRequest;xhr.open("GET",image,true);xhr.responseType="blob";xhr.onload=function(e){return loadImage(xhr.response,cb)};xhr.onerror=function(e){if(/^https?:\/\//.test(image)&&!/^https:\/\/crossorigin.me/.test(image)){console.debug("Attempting to load image with CORS proxy");loadImage("https://crossorigin.me/"+image,cb)}};xhr.send(null);return}}else if(image instanceof File){var fr=new FileReader;fr.onload=function(e){return loadImage(fr.result,cb)};fr.readAsDataURL(image);return}else if(image instanceof Blob){return loadImage(URL.createObjectURL(image),cb)}else if(image.getContext){return loadImage(image.getContext("2d"),cb)}else if(image.tagName=="IMG"||image.tagName=="VIDEO"){var c=document.createElement("canvas");c.width=image.naturalWidth||image.videoWidth;c.height=image.naturalHeight||image.videoHeight;var ctx=c.getContext("2d");ctx.drawImage(image,0,0);return loadImage(ctx,cb)}else if(image.getImageData){var data=image.getImageData(0,0,image.canvas.width,image.canvas.height);return loadImage(data,cb)}else{return cb(image)}throw new Error("Missing return in loadImage cascade")}}).call(this,require("_process"))},{"../../package.json":2,_process:1}],4:[function(require,module,exports){"use strict";module.exports=function circularize(page){page.paragraphs=[];page.lines=[];page.words=[];page.symbols=[];page.blocks.forEach(function(block){block.page=page;block.lines=[];block.words=[];block.symbols=[];block.paragraphs.forEach(function(para){para.block=block;para.page=page;para.words=[];para.symbols=[];para.lines.forEach(function(line){line.paragraph=para;line.block=block;line.page=page;line.symbols=[];line.words.forEach(function(word){word.line=line;word.paragraph=para;word.block=block;word.page=page;word.symbols.forEach(function(sym){sym.word=word;sym.line=line;sym.paragraph=para;sym.block=block;sym.page=page;sym.line.symbols.push(sym);sym.paragraph.symbols.push(sym);sym.block.symbols.push(sym);sym.page.symbols.push(sym)});word.paragraph.words.push(word);word.block.words.push(word);word.page.words.push(word)});line.block.lines.push(line);line.page.lines.push(line)});para.page.paragraphs.push(para)})});return page}},{}],5:[function(require,module,exports){"use strict";var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor}}();function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function")}}var adapter=require("../node/index.js");var jobCounter=0;module.exports=function(){function TesseractJob(instance){_classCallCheck(this,TesseractJob);this.id="Job-"+ ++jobCounter+"-"+Math.random().toString(16).slice(3,8);this._instance=instance;this._resolve=[];this._reject=[];this._progress=[];this._finally=[]}_createClass(TesseractJob,[{key:"then",value:function then(resolve,reject){if(this._resolve.push){this._resolve.push(resolve)}else{resolve(this._resolve)}if(reject)this.catch(reject);return this}},{key:"catch",value:function _catch(reject){if(this._reject.push){this._reject.push(reject)}else{reject(this._reject)}return this}},{key:"progress",value:function progress(fn){this._progress.push(fn);return this}},{key:"finally",value:function _finally(fn){this._finally.push(fn);return this}},{key:"_send",value:function _send(action,payload){adapter.sendPacket(this._instance,{jobId:this.id,action:action,payload:payload})}},{key:"_handle",value:function _handle(packet){var data=packet.data;var runFinallyCbs=false;if(packet.status==="resolve"){if(this._resolve.length===0)console.log(data);this._resolve.forEach(function(fn){var ret=fn(data);if(ret&&typeof ret.then=="function"){console.warn("TesseractJob instances do not chain like ES6 Promises. To convert it into a real promise, use Promise.resolve.")}});this._resolve=data;this._instance._dequeue();runFinallyCbs=true}else if(packet.status==="reject"){if(this._reject.length===0)console.error(data);this._reject.forEach(function(fn){return fn(data)});this._reject=data;this._instance._dequeue();runFinallyCbs=true}else if(packet.status==="progress"){this._progress.forEach(function(fn){return fn(data)})}else{console.warn("Message type unknown",packet.status)}if(runFinallyCbs){this._finally.forEach(function(fn){return fn(data)})}}}]);return TesseractJob}()},{"../node/index.js":3}],6:[function(require,module,exports){"use strict";var _createClass=function(){function defineProperties(target,props){for(var i=0;i<props.length;i++){var descriptor=props[i];descriptor.enumerable=descriptor.enumerable||false;descriptor.configurable=true;if("value"in descriptor)descriptor.writable=true;Object.defineProperty(target,descriptor.key,descriptor)}}return function(Constructor,protoProps,staticProps){if(protoProps)defineProperties(Constructor.prototype,protoProps);if(staticProps)defineProperties(Constructor,staticProps);return Constructor}}();function _classCallCheck(instance,Constructor){if(!(instance instanceof Constructor)){throw new TypeError("Cannot call a class as a function")}}var adapter=require("./node/index.js");var circularize=require("./common/circularize.js");var TesseractJob=require("./common/job");var version=require("../package.json").version;var create=function create(){var workerOptions=arguments.length>0&&arguments[0]!==undefined?arguments[0]:{};var worker=new TesseractWorker(Object.assign({},adapter.defaultOptions,workerOptions));worker.create=create;worker.version=version;return worker};var TesseractWorker=function(){function TesseractWorker(workerOptions){_classCallCheck(this,TesseractWorker);this.worker=null;this.workerOptions=workerOptions;this._currentJob=null;this._queue=[]}_createClass(TesseractWorker,[{key:"recognize",value:function recognize(image){var _this=this;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};return this._delay(function(job){if(typeof options==="string")options={lang:options};options.lang=options.lang||"eng";job._send("recognize",{image:image,options:options,workerOptions:_this.workerOptions})})}},{key:"detect",value:function detect(image){var _this2=this;var options=arguments.length>1&&arguments[1]!==undefined?arguments[1]:{};return this._delay(function(job){job._send("detect",{image:image,options:options,workerOptions:_this2.workerOptions})})}},{key:"terminate",value:function terminate(){if(this.worker)adapter.terminateWorker(this);this.worker=null;this._currentJob=null;this._queue=[]}},{key:"_delay",value:function _delay(fn){var _this3=this;if(!this.worker)this.worker=adapter.spawnWorker(this,this.workerOptions);var job=new TesseractJob(this);this._queue.push(function(e){_this3._queue.shift();_this3._currentJob=job;fn(job)});if(!this._currentJob)this._dequeue();return job}},{key:"_dequeue",value:function _dequeue(){this._currentJob=null;if(this._queue.length){this._queue[0]()}}},{key:"_recv",value:function _recv(packet){if(packet.status==="resolve"&&packet.action==="recognize"){packet.data=circularize(packet.data)}if(this._currentJob.id===packet.jobId){this._currentJob._handle(packet)}else{console.warn("Job ID "+packet.jobId+" not known.")}}}]);return TesseractWorker}();module.exports=create()},{"../package.json":2,"./common/circularize.js":4,"./common/job":5,"./node/index.js":3}]},{},[6])(6)});

4

package.json
{
"name": "tesseract.js",
"version": "1.0.14",
"version": "1.0.16",
"description": "Pure Javascript Multilingual OCR",
"main": "src/index.js",
"scripts": {
"start": "concurrently --kill-others \"watchify src/index.js -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.dev.js --standalone Tesseract\" \"watchify src/browser/worker.js -t [ envify --NODE_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/worker.dev.js\" \"http-server -p 7355\"",
"start": "concurrently --kill-others \"watchify src/index.js -t [ envify --TESS_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.dev.js --standalone Tesseract\" \"watchify src/browser/worker.js -t [ envify --TESS_ENV development ] -t [ babelify --presets [ es2015 ] ] -o dist/worker.dev.js\" \"http-server -p 7355\"",
"build": "browserify src/index.js -t [ babelify --presets [ es2015 ] ] -o dist/tesseract.js --standalone Tesseract && browserify src/browser/worker.js -t [ babelify --presets [ es2015 ] ] -o dist/worker.js && uglifyjs dist/tesseract.js --source-map -o dist/tesseract.min.js && uglifyjs dist/worker.js --source-map -o dist/worker.min.js",

@@ -9,0 +9,0 @@ "release": "npm run build && git commit -am 'new release' && git push && git tag `jq -r '.version' package.json` && git push origin --tags && npm publish"

2

src/browser/index.js

@@ -7,3 +7,3 @@ var defaultOptions = {

if (process.env.NODE_ENV === "development") {
if (process.env.TESS_ENV === "development") {
console.debug('Using Development Configuration')

@@ -10,0 +10,0 @@ defaultOptions.workerPath = location.protocol + '//' + location.host + '/dist/worker.dev.js?nocache=' + Math.random().toString(36).slice(3)

2

src/browser/worker.js
const workerUtils = require('../common/worker.js')
if (process.env.NODE_ENV === "development") {
if (process.env.TESS_ENV === "development") {
console.debug('Using Development Worker')

@@ -5,0 +5,0 @@ }

dist/tesseract.min.js.map

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dist/worker.js

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dist/worker.min.js

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dist/worker.min.js.map

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