Jerome Wu
6 years ago
21 changed files with 5049 additions and 13428 deletions
@ -1,629 +0,0 @@
@@ -1,629 +0,0 @@
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(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){ |
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// shim for using process in browser
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var process = module.exports = {}; |
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// cached from whatever global is present so that test runners that stub it
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// don't break things. But we need to wrap it in a try catch in case it is
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// wrapped in strict mode code which doesn't define any globals. It's inside a
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// function because try/catches deoptimize in certain engines.
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var cachedSetTimeout; |
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var cachedClearTimeout; |
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function defaultSetTimout() { |
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throw new Error('setTimeout has not been defined'); |
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} |
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function defaultClearTimeout () { |
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throw new Error('clearTimeout has not been defined'); |
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} |
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(function () { |
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try { |
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if (typeof setTimeout === 'function') { |
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cachedSetTimeout = setTimeout; |
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} else { |
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cachedSetTimeout = defaultSetTimout; |
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} |
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} catch (e) { |
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cachedSetTimeout = defaultSetTimout; |
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} |
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try { |
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if (typeof clearTimeout === 'function') { |
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cachedClearTimeout = clearTimeout; |
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} else { |
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cachedClearTimeout = defaultClearTimeout; |
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} |
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} catch (e) { |
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cachedClearTimeout = defaultClearTimeout; |
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} |
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} ()) |
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function runTimeout(fun) { |
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if (cachedSetTimeout === setTimeout) { |
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//normal enviroments in sane situations
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return setTimeout(fun, 0); |
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} |
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// if setTimeout wasn't available but was latter defined
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if ((cachedSetTimeout === defaultSetTimout || !cachedSetTimeout) && setTimeout) { |
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cachedSetTimeout = setTimeout; |
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return setTimeout(fun, 0); |
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} |
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try { |
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// when when somebody has screwed with setTimeout but no I.E. maddness
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return cachedSetTimeout(fun, 0); |
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} catch(e){ |
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try { |
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// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
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return cachedSetTimeout.call(null, fun, 0); |
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} catch(e){ |
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// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error
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return cachedSetTimeout.call(this, fun, 0); |
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} |
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} |
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} |
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function runClearTimeout(marker) { |
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if (cachedClearTimeout === clearTimeout) { |
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//normal enviroments in sane situations
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return clearTimeout(marker); |
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} |
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// if clearTimeout wasn't available but was latter defined
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if ((cachedClearTimeout === defaultClearTimeout || !cachedClearTimeout) && clearTimeout) { |
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cachedClearTimeout = clearTimeout; |
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return clearTimeout(marker); |
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} |
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try { |
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// when when somebody has screwed with setTimeout but no I.E. maddness
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return cachedClearTimeout(marker); |
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} catch (e){ |
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try { |
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// When we are in I.E. but the script has been evaled so I.E. doesn't trust the global object when called normally
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return cachedClearTimeout.call(null, marker); |
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} catch (e){ |
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// same as above but when it's a version of I.E. that must have the global object for 'this', hopfully our context correct otherwise it will throw a global error.
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// Some versions of I.E. have different rules for clearTimeout vs setTimeout
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return cachedClearTimeout.call(this, marker); |
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} |
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} |
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} |
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var queue = []; |
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var draining = false; |
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var currentQueue; |
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var queueIndex = -1; |
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|
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function cleanUpNextTick() { |
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if (!draining || !currentQueue) { |
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return; |
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} |
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draining = false; |
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if (currentQueue.length) { |
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queue = currentQueue.concat(queue); |
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} else { |
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queueIndex = -1; |
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} |
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if (queue.length) { |
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drainQueue(); |
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} |
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} |
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function drainQueue() { |
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if (draining) { |
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return; |
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} |
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var timeout = runTimeout(cleanUpNextTick); |
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draining = true; |
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|
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var len = queue.length; |
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while(len) { |
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currentQueue = queue; |
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queue = []; |
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while (++queueIndex < len) { |
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if (currentQueue) { |
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currentQueue[queueIndex].run(); |
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} |
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} |
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queueIndex = -1; |
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len = queue.length; |
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} |
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currentQueue = null; |
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draining = false; |
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runClearTimeout(timeout); |
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} |
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|
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process.nextTick = function (fun) { |
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var args = new Array(arguments.length - 1); |
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if (arguments.length > 1) { |
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for (var i = 1; i < arguments.length; i++) { |
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args[i - 1] = arguments[i]; |
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} |
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} |
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queue.push(new Item(fun, args)); |
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if (queue.length === 1 && !draining) { |
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runTimeout(drainQueue); |
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} |
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}; |
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// v8 likes predictible objects
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function Item(fun, array) { |
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this.fun = fun; |
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this.array = array; |
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} |
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Item.prototype.run = function () { |
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this.fun.apply(null, this.array); |
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}; |
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process.title = 'browser'; |
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process.browser = true; |
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process.env = {}; |
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process.argv = []; |
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process.version = ''; // empty string to avoid regexp issues
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process.versions = {}; |
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function noop() {} |
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process.on = noop; |
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process.addListener = noop; |
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process.once = noop; |
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process.off = noop; |
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process.removeListener = noop; |
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process.removeAllListeners = noop; |
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process.emit = noop; |
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process.prependListener = noop; |
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process.prependOnceListener = noop; |
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process.listeners = function (name) { return [] } |
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|
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process.binding = function (name) { |
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throw new Error('process.binding is not supported'); |
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}; |
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process.cwd = function () { return '/' }; |
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process.chdir = function (dir) { |
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throw new Error('process.chdir is not supported'); |
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}; |
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process.umask = function() { return 0; }; |
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|
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},{}],2:[function(require,module,exports){ |
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module.exports={ |
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"name": "tesseract.js", |
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"version": "1.0.13", |
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"description": "Pure Javascript Multilingual OCR", |
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"main": "src/index.js", |
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"scripts": { |
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"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\"", |
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"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", |
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"release": "npm run build && git commit -am 'new release' && git push && git tag `jq -r '.version' package.json` && git push origin --tags && npm publish" |
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}, |
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"browser": { |
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"./src/node/index.js": "./src/browser/index.js" |
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}, |
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"author": "", |
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"license": "Apache-2.0", |
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"devDependencies": { |
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"babel-preset-es2015": "^6.16.0", |
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"babelify": "^7.3.0", |
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"browserify": "^13.1.0", |
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"concurrently": "^3.1.0", |
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"envify": "^3.4.1", |
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"http-server": "^0.9.0", |
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"pako": "^1.0.3", |
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"uglify-js": "^3.4.9", |
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"watchify": "^3.7.0" |
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}, |
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"dependencies": { |
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"file-type": "^3.8.0", |
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"isomorphic-fetch": "^2.2.1", |
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"is-url": "1.2.2", |
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"jpeg-js": "^0.2.0", |
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"level-js": "^2.2.4", |
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"node-fetch": "^1.6.3", |
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"object-assign": "^4.1.0", |
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"png.js": "^0.2.1", |
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"tesseract.js-core": "^1.0.2" |
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}, |
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"repository": { |
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"type": "git", |
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"url": "https://github.com/naptha/tesseract.js.git" |
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}, |
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"bugs": { |
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"url": "https://github.com/naptha/tesseract.js/issues" |
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}, |
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"homepage": "https://github.com/naptha/tesseract.js" |
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} |
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|
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},{}],3:[function(require,module,exports){ |
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(function (process){ |
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'use strict'; |
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var defaultOptions = { |
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// workerPath: 'https://cdn.jsdelivr.net/gh/naptha/tesseract.js@0.2.0/dist/worker.js',
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corePath: 'https://cdn.jsdelivr.net/gh/naptha/tesseract.js-core@0.1.0/index.js', |
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langPath: 'https://cdn.jsdelivr.net/gh/naptha/tessdata@gh-pages/3.02/' |
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}; |
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if (process.env.NODE_ENV === "development") { |
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console.debug('Using Development Configuration'); |
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defaultOptions.workerPath = location.protocol + '//' + location.host + '/dist/worker.dev.js?nocache=' + Math.random().toString(36).slice(3); |
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} else { |
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var version = require('../../package.json').version; |
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defaultOptions.workerPath = 'https://cdn.jsdelivr.net/gh/naptha/tesseract.js@' + version + '/dist/worker.js'; |
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} |
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exports.defaultOptions = defaultOptions; |
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exports.spawnWorker = function spawnWorker(instance, workerOptions) { |
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if (window.Blob && window.URL) { |
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var blob = new Blob(['importScripts("' + workerOptions.workerPath + '");']); |
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var worker = new Worker(window.URL.createObjectURL(blob)); |
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} else { |
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var worker = new Worker(workerOptions.workerPath); |
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} |
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worker.onmessage = function (e) { |
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var packet = e.data; |
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instance._recv(packet); |
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}; |
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return worker; |
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}; |
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exports.terminateWorker = function (instance) { |
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instance.worker.terminate(); |
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}; |
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exports.sendPacket = function sendPacket(instance, packet) { |
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loadImage(packet.payload.image, function (img) { |
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packet.payload.image = img; |
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instance.worker.postMessage(packet); |
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}); |
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}; |
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function loadImage(image, cb) { |
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if (typeof image === 'string') { |
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if (/^\#/.test(image)) { |
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// element css selector
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return loadImage(document.querySelector(image), cb); |
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} else if (/(blob|data)\:/.test(image)) { |
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// data url
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var im = new Image(); |
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im.src = image; |
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im.onload = function (e) { |
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return loadImage(im, cb); |
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}; |
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return; |
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} else { |
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var xhr = new XMLHttpRequest(); |
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xhr.open('GET', image, true); |
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xhr.responseType = "blob"; |
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xhr.onload = function (e) { |
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return loadImage(xhr.response, cb); |
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}; |
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xhr.onerror = function (e) { |
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if (/^https?:\/\//.test(image) && !/^https:\/\/crossorigin.me/.test(image)) { |
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console.debug('Attempting to load image with CORS proxy'); |
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loadImage('https://crossorigin.me/' + image, cb); |
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} |
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}; |
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xhr.send(null); |
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return; |
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} |
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} else if (image instanceof File) { |
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// files
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var fr = new FileReader(); |
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fr.onload = function (e) { |
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return loadImage(fr.result, cb); |
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}; |
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fr.readAsDataURL(image); |
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return; |
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} else if (image instanceof Blob) { |
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return loadImage(URL.createObjectURL(image), cb); |
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} else if (image.getContext) { |
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// canvas element
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return loadImage(image.getContext('2d'), cb); |
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} else if (image.tagName == "IMG" || image.tagName == "VIDEO") { |
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// image element or video element
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var c = document.createElement('canvas'); |
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c.width = image.naturalWidth || image.videoWidth; |
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c.height = image.naturalHeight || image.videoHeight; |
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var ctx = c.getContext('2d'); |
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ctx.drawImage(image, 0, 0); |
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return loadImage(ctx, cb); |
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} else if (image.getImageData) { |
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// canvas context
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var data = image.getImageData(0, 0, image.canvas.width, image.canvas.height); |
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return loadImage(data, cb); |
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} else { |
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return cb(image); |
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} |
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throw new Error('Missing return in loadImage cascade'); |
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} |
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|
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}).call(this,require('_process')) |
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},{"../../package.json":2,"_process":1}],4:[function(require,module,exports){ |
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"use strict"; |
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// The result of dump.js is a big JSON tree
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// which can be easily serialized (for instance
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// to be sent from a webworker to the main app
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// or through Node's IPC), but we want
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// a (circular) DOM-like interface for walking
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// through the data.
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module.exports = function circularize(page) { |
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page.paragraphs = []; |
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page.lines = []; |
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page.words = []; |
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page.symbols = []; |
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page.blocks.forEach(function (block) { |
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block.page = page; |
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|
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block.lines = []; |
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block.words = []; |
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block.symbols = []; |
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block.paragraphs.forEach(function (para) { |
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para.block = block; |
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para.page = page; |
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para.words = []; |
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para.symbols = []; |
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para.lines.forEach(function (line) { |
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line.paragraph = para; |
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line.block = block; |
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line.page = page; |
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line.symbols = []; |
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line.words.forEach(function (word) { |
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word.line = line; |
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word.paragraph = para; |
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word.block = block; |
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word.page = page; |
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word.symbols.forEach(function (sym) { |
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sym.word = word; |
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sym.line = line; |
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sym.paragraph = para; |
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sym.block = block; |
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sym.page = page; |
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sym.line.symbols.push(sym); |
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sym.paragraph.symbols.push(sym); |
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sym.block.symbols.push(sym); |
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sym.page.symbols.push(sym); |
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}); |
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word.paragraph.words.push(word); |
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word.block.words.push(word); |
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word.page.words.push(word); |
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}); |
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line.block.lines.push(line); |
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line.page.lines.push(line); |
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}); |
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para.page.paragraphs.push(para); |
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}); |
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}); |
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return page; |
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}; |
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|
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},{}],5:[function(require,module,exports){ |
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'use strict'; |
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|
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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; }; }(); |
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|
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } } |
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|
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var adapter = require('../node/index.js'); |
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|
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var jobCounter = 0; |
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|
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module.exports = function () { |
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function TesseractJob(instance) { |
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_classCallCheck(this, TesseractJob); |
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|
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this.id = 'Job-' + ++jobCounter + '-' + Math.random().toString(16).slice(3, 8); |
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|
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this._instance = instance; |
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this._resolve = []; |
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this._reject = []; |
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this._progress = []; |
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this._finally = []; |
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} |
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|
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_createClass(TesseractJob, [{ |
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key: 'then', |
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value: function then(resolve, reject) { |
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if (this._resolve.push) { |
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this._resolve.push(resolve); |
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} else { |
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resolve(this._resolve); |
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} |
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|
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if (reject) this.catch(reject); |
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return this; |
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} |
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}, { |
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key: 'catch', |
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value: function _catch(reject) { |
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if (this._reject.push) { |
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this._reject.push(reject); |
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} else { |
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reject(this._reject); |
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} |
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return this; |
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} |
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}, { |
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key: 'progress', |
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value: function progress(fn) { |
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this._progress.push(fn); |
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return this; |
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} |
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}, { |
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key: 'finally', |
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value: function _finally(fn) { |
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this._finally.push(fn); |
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return this; |
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} |
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}, { |
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key: '_send', |
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value: function _send(action, payload) { |
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adapter.sendPacket(this._instance, { |
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jobId: this.id, |
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action: action, |
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payload: payload |
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}); |
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} |
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}, { |
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key: '_handle', |
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value: function _handle(packet) { |
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var data = packet.data; |
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var runFinallyCbs = false; |
||||
|
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if (packet.status === 'resolve') { |
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if (this._resolve.length === 0) console.log(data); |
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this._resolve.forEach(function (fn) { |
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var ret = fn(data); |
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if (ret && typeof ret.then == 'function') { |
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console.warn('TesseractJob instances do not chain like ES6 Promises. To convert it into a real promise, use Promise.resolve.'); |
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} |
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}); |
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this._resolve = data; |
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this._instance._dequeue(); |
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runFinallyCbs = true; |
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} else if (packet.status === 'reject') { |
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if (this._reject.length === 0) console.error(data); |
||||
this._reject.forEach(function (fn) { |
||||
return fn(data); |
||||
}); |
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this._reject = data; |
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this._instance._dequeue(); |
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runFinallyCbs = true; |
||||
} else if (packet.status === 'progress') { |
||||
this._progress.forEach(function (fn) { |
||||
return fn(data); |
||||
}); |
||||
} else { |
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console.warn('Message type unknown', packet.status); |
||||
} |
||||
|
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if (runFinallyCbs) { |
||||
this._finally.forEach(function (fn) { |
||||
return fn(data); |
||||
}); |
||||
} |
||||
} |
||||
}]); |
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|
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return TesseractJob; |
||||
}(); |
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|
||||
},{"../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) |
||||
}); |
||||
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@@ -0,0 +1,5 @@
|
||||
{ |
||||
"rules": { |
||||
"import/no-extraneous-dependencies": 0 |
||||
} |
||||
} |
||||
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@ -0,0 +1,15 @@
@@ -0,0 +1,15 @@
|
||||
const webpack = require('webpack'); |
||||
const middleware = require('webpack-dev-middleware'); |
||||
const express = require('express'); |
||||
const path = require('path'); |
||||
const webpackConfig = require('./webpack.config.dev'); |
||||
|
||||
const compiler = webpack(webpackConfig); |
||||
const app = express(); |
||||
|
||||
express.static.mime.types.wasm = 'application/wasm'; |
||||
|
||||
app.use('/', express.static(path.resolve(__dirname, '..'))); |
||||
app.use(middleware(compiler, { publicPath: '/dist' })); |
||||
|
||||
app.listen(3000, () => console.log('Server is running on port 3000')); |
||||
@ -0,0 +1,26 @@
@@ -0,0 +1,26 @@
|
||||
const path = require('path'); |
||||
|
||||
const genConfig = ({ |
||||
entry, filename, library, libraryTarget, |
||||
}) => ({ |
||||
mode: 'development', |
||||
entry, |
||||
output: { |
||||
filename, |
||||
library, |
||||
libraryTarget, |
||||
}, |
||||
}); |
||||
|
||||
module.exports = [ |
||||
genConfig({ |
||||
entry: path.resolve(__dirname, '..', 'src', 'index.js'), |
||||
filename: 'tesseract.dev.js', |
||||
library: 'Tesseract', |
||||
libraryTarget: 'umd', |
||||
}), |
||||
genConfig({ |
||||
entry: path.resolve(__dirname, '..', 'src', 'browser', 'worker.js'), |
||||
filename: 'worker.dev.js', |
||||
}), |
||||
]; |
||||
@ -0,0 +1,28 @@
@@ -0,0 +1,28 @@
|
||||
const path = require('path'); |
||||
|
||||
const genConfig = ({ |
||||
entry, filename, library, libraryTarget, |
||||
}) => ({ |
||||
mode: 'production', |
||||
devtool: 'source-map', |
||||
entry, |
||||
output: { |
||||
path: path.resolve(__dirname, 'dist'), |
||||
filename, |
||||
library, |
||||
libraryTarget, |
||||
}, |
||||
}); |
||||
|
||||
module.exports = [ |
||||
genConfig({ |
||||
entry: path.resolve(__dirname, '..', 'src', 'index.js'), |
||||
filename: 'tesseract.min.js', |
||||
library: 'Tesseract', |
||||
libraryTarget: 'umd', |
||||
}), |
||||
genConfig({ |
||||
entry: path.resolve(__dirname, '..', 'src', 'browser', 'worker.js'), |
||||
filename: 'worker.min.js', |
||||
}), |
||||
]; |
||||
Loading…
Reference in new issue