diff --git a/.gitignore b/.gitignore
index d0374fb4..a9b0f14d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,6 +7,7 @@ npm-debug.log*
 pids
 *.pid
 *.seed
+device.conf
 
 # Directory for instrumented libs generated by jscoverage/JSCover
 lib-cov
diff --git a/classes/Config.js b/classes/Config.js
index c3567b82..9e045d9f 100755
--- a/classes/Config.js
+++ b/classes/Config.js
@@ -1,15 +1,15 @@
 module.exports = {
-	Port: 8080,
-	IsTrace: true,
-	TraceLineEnding: '',
-	DeviceName: null,
-	Scanimage: '/usr/bin/scanimage',
-	Convert: '/usr/bin/convert',
-	IgnoreStdError: '2>/dev/null',
-	BypassSystemExecute: false,
-	OutputDirectory: './data/output/',
-	PreviewDirectory: './data/preview/',
-	MaximumScanWidthInMm: 215,
-	MaximumScanHeightInMm: 297,
-	PreviewResolution: 100
+    Port: 8080,
+    IsTrace: true,
+    TraceLineEnding: '',
+    DeviceName: null,
+    Scanimage: '/usr/bin/scanimage',
+    Convert: '/usr/bin/convert',
+    IgnoreStdError: '2>/dev/null',
+    BypassSystemExecute: false,
+    OutputDirectory: './data/output/',
+    PreviewDirectory: './data/preview/',
+    MaximumScanWidthInMm: 215,
+    MaximumScanHeightInMm: 297,
+    PreviewResolution: 100
 };
\ No newline at end of file
diff --git a/classes/Convert.js b/classes/Convert.js
index 2f323995..f235a42f 100644
--- a/classes/Convert.js
+++ b/classes/Convert.js
@@ -1,6 +1,4 @@
-var fs = require('fs');
 var Q = require('kew');
-
 var Config = require('./Config');
 var System = require('./System');
 
diff --git a/classes/Device.js b/classes/Device.js
index 60802c00..abae8f94 100644
--- a/classes/Device.js
+++ b/classes/Device.js
@@ -48,8 +48,8 @@ module.exports = function () {
     /// Executes scanimageA and returns a promise of parsed results
     var scanimageA = function () {
         var cmd = Config.Scanimage;
-        if(Config.DeviceName){
-            cmd += ' -d "'+Config.DeviceName+'"';
+        if (Config.DeviceName) {
+            cmd += ' -d "' + Config.DeviceName + '"';
         }
         cmd += ' -A';
 
diff --git a/classes/FileInfo.js b/classes/FileInfo.js
index 52fe677c..f333fe62 100644
--- a/classes/FileInfo.js
+++ b/classes/FileInfo.js
@@ -3,52 +3,51 @@ var path = require('path');
 
 module.exports = function (fullpath) {
 
-	this.fullname = fullpath;
-
-	this.init = function () {
-		this.name = path.basename(this.fullname);
-		this.path = path.dirname(this.fullname);
-
-		if (this.exists()) {
-			var stat = fs.statSync(this.fullname);
-			this.extension = path.extname(this.fullname);
-			this.lastModified = stat.mtime;
-			this.size = stat.size;
-		}
-	};
-
-	this.delete = function () {
-		try {
-			fs.unlinkSync(this.fullname);
-			this.deleted = true;
-		}
-		catch (e) {
-			this.deleted = false;
-		}
-
-		return this;
-	};
-
-	this.exists = function () {
-		return fs.existsSync(this.fullname);
-	};
-
-	this.toBuffer = function () {
-		var bits = fs.readFileSync(this.fullname);
-		return new Buffer(bits);
-	};
-
-	this.toBase64 = function () {
-		return this.toBuffer().toString('base64');
-	};
-
-	this.toText = function () {
-		return this.toBuffer().toString();
-	};
-
-	this.save = function (data) {
-		fs.writeFileSync(this.fullname, data);
-	};
-
-	this.init();
+    this.fullname = fullpath;
+
+    this.init = function () {
+        this.name = path.basename(this.fullname);
+        this.path = path.dirname(this.fullname);
+
+        if (this.exists()) {
+            var stat = fs.statSync(this.fullname);
+            this.extension = path.extname(this.fullname);
+            this.lastModified = stat.mtime;
+            this.size = stat.size;
+        }
+    };
+
+    this.delete = function () {
+        try {
+            fs.unlinkSync(this.fullname);
+            this.deleted = true;
+        } catch (e) {
+            this.deleted = false;
+        }
+
+        return this;
+    };
+
+    this.exists = function () {
+        return fs.existsSync(this.fullname);
+    };
+
+    this.toBuffer = function () {
+        var bits = fs.readFileSync(this.fullname);
+        return new Buffer(bits);
+    };
+
+    this.toBase64 = function () {
+        return this.toBuffer().toString('base64');
+    };
+
+    this.toText = function () {
+        return this.toBuffer().toString();
+    };
+
+    this.save = function (data) {
+        fs.writeFileSync(this.fullname, data);
+    };
+
+    this.init();
 };
diff --git a/classes/ScanRequest.js b/classes/ScanRequest.js
index 420cb92a..5cc727de 100644
--- a/classes/ScanRequest.js
+++ b/classes/ScanRequest.js
@@ -3,75 +3,74 @@ var Config = require('./Config');
 var System = require('./System');
 
 var ScanRequest = function (def) {
+    var _this = this;
 
-	_this = this;
+    System.extend(_this, ScanRequest.default, def);
+    if (!_this.outputFilepath) {
+        var dateString = dateFormat(new Date(), 'yyyy-mm-dd HH.MM.ss');
+        _this.outputFilepath = Config.OutputDirectory + 'scan_' + dateString + '.' + _this.convertFormat;
+    }
 
-	System.extend(_this, ScanRequest.default, def);
-	if (!_this.outputFilepath) {
-		var dateString = dateFormat(new Date(), 'yyyy-mm-dd HH.MM.ss');
-		_this.outputFilepath = Config.OutputDirectory + 'scan_' + dateString + '.' + _this.convertFormat;
-	}
+    _this.validate = function () {
+        var errors = [];
 
-	_this.validate = function (device) {
-		var errors = [];
+        if (_this.mode === undefined) {
+            errors.push('Invalid mode: ' + _this.mode);
+        }
 
-		if (_this.mode === undefined) {
-			errors.push('Invalid mode: ' + _this.mode);
-		}
+        if (!Number.isInteger(_this.width)) {
+            errors.push('Invalid width: ' + _this.width);
+        }
 
-		if (!Number.isInteger(_this.width)) {
-			errors.push('Invalid width: ' + _this.width);
-		}
+        if (!Number.isInteger(_this.height)) {
+            errors.push('Invalid height: ' + _this.height);
+        }
 
-		if (!Number.isInteger(_this.height)) {
-			errors.push('Invalid height: ' + _this.height);
-		}
+        if (!Number.isInteger(_this.top)) {
+            errors.push('Invalid top: ' + _this.top);
+        }
 
-		if (!Number.isInteger(_this.top)) {
-			errors.push('Invalid top: ' + _this.top);
-		}
+        if (!Number.isInteger(_this.left)) {
+            errors.push('Invalid left: ' + _this.left);
+        }
 
-		if (!Number.isInteger(_this.left)) {
-			errors.push('Invalid left: ' + _this.left);
-		}
+        if (!Number.isInteger(_this.brightness)) {
+            errors.push('Invalid brightness: ' + _this.brightness);
+        }
 
-		if (!Number.isInteger(_this.brightness)) {
-			errors.push('Invalid brightness: ' + _this.brightness);
-		}
+        if (!Number.isInteger(_this.contrast)) {
+            errors.push('Invalid contrast: ' + _this.contrast);
+        }
 
-		if (!Number.isInteger(_this.contrast)) {
-			errors.push('Invalid contrast: ' + _this.contrast);
-		}
+        if ('depth' in _this && !Number.isInteger(_this.depth)) {
+            errors.push('Invalid depth: ' + _this.depth);
+        }
 
-		if ('depth' in _this && !Number.isInteger(_this.depth)) {
-			errors.push('Invalid depth: ' + _this.depth);
-		}
+        if (_this.top + _this.height > Config.MaximumScanHeightInMm) {
+            errors.push('Top + height exceed maximum dimensions');
+        }
 
-		if (_this.top + _this.height > Config.MaximumScanHeightInMm) {
-			errors.push('Top + height exceed maximum dimensions');
-		}
+        if (['tif', 'jpg', 'png'].indexOf(_this.convertFormat) === -1) {
+            errors.push('Invalid format type');
+        }
 
-		if (['tif', 'jpg', 'png'].indexOf(_this.convertFormat) === -1) {
-			errors.push('Invalid format type');
-		}
-
-		return errors;
-	};
+        return errors;
+    };
 };
 
 ScanRequest.default = {
-	top: 0,
-	left: 0,
-	width: Config.MaximumScanWidthInMm,
-	height: Config.MaximumScanHeightInMm,
-	mode: "Color",
-	resolution: 200,
-	format: "tiff",
-	outputFilepath: "",
-	brightness: 0,
-	contrast: 0,
-	convertFormat: 'tif',
-	dynamicLineart: true
+    top: 0,
+    left: 0,
+    width: Config.MaximumScanWidthInMm,
+    height: Config.MaximumScanHeightInMm,
+    mode: "Color",
+    resolution: 200,
+    format: "tiff",
+    outputFilepath: "",
+    brightness: 0,
+    contrast: 0,
+    convertFormat: 'tif',
+    dynamicLineart: true
 };
 
 module.exports = ScanRequest;
\ No newline at end of file
diff --git a/classes/Scanimage.js b/classes/Scanimage.js
index 944f37df..d8430a0d 100755
--- a/classes/Scanimage.js
+++ b/classes/Scanimage.js
@@ -6,90 +6,90 @@ var FileInfo = require('./FileInfo');
 
 module.exports = function () {
 
-	var _this = this;
-
-	var exists = function () {
-		var fileInfo = new FileInfo(Config.Scanimage);
-		return fileInfo.exists();
-	};
-
-	var commandLine = function (scanRequest, device) {
-		var cmd = Config.Scanimage;
-		if(device.data.name) {
-			cmd += ' -d "' + device.data.name + '"'
-		}
-		cmd += ' --mode "' + scanRequest.mode + '"';
-		
-		if (device.isFeatureSupported('--depth') && 'depth' in scanRequest) {
-			cmd += ' --depth ' + scanRequest.depth;
-		}
-
-		cmd += ' --resolution ' + scanRequest.resolution;
-		cmd += ' -l ' + scanRequest.left;
-		cmd += ' -t ' + scanRequest.top;
-		cmd += ' -x ' + scanRequest.width;
-		cmd += ' -y ' + scanRequest.height;
-		cmd += ' --format ' + scanRequest.format;
-
-		if (device.isFeatureSupported('--brightness')) {
-			cmd += ' --brightness ' + scanRequest.brightness;
-		}
-
-		if (device.isFeatureSupported('--contrast')) {
-			cmd += ' --contrast ' + scanRequest.contrast;
-		}
-
-		if (scanRequest.mode === 'Lineart' && !scanRequest.dynamicLineart &&
-				device.isFeatureSupported('--disable-dynamic-lineart')) {
-			cmd += ' --disable-dynamic-lineart=yes ';
-		}
-
-		if (scanRequest.convertFormat !== 'tif') {
-			cmd += ' | convert - ' + scanRequest.convertFormat + ':-';
-		}
-
-		// Last
-		cmd += ' > "' + scanRequest.outputFilepath + '"';
-		return cmd;
-	};
-
-	_this.execute = function (scanRequest) {
-		if (!exists()) {
-			return Q.reject(new Error('Unable to find Scanimage at "' + Config.Scanimage + '"'));
-		}
-
-		var device = new Device();
-
-		if ('device' in scanRequest && scanRequest.device) {
-			device.load(scanRequest.device);
-		}
-
-		var response = {
-			image: null,
-			cmdline: null,
-			output: [],
-			errors: [],
-			returnCode: -1
-		};
-
-		System.trace('Scanimage.execute:start');
-		response.errors = scanRequest.validate(device);
-
-		if (response.errors.length === 0) {
-			response.cmdline = commandLine(scanRequest, device);
-
-			return System.execute(response.cmdline)
-				.then(function (reply) {
-					System.trace('Scanimage.execute:finish', reply);
-					response.output = reply.output;
-					response.code = reply.code;
-					response.image = scanRequest.outputFilepath;
-					return response;
-				});
-
-		} else {
-			var error = new Error(response.errors.join('\n'));
-			return Q.reject(error);
-		}
-	};
+    var _this = this;
+
+    var exists = function () {
+        var fileInfo = new FileInfo(Config.Scanimage);
+        return fileInfo.exists();
+    };
+
+    var commandLine = function (scanRequest, device) {
+        var cmd = Config.Scanimage;
+        if (device.data.name) {
+            cmd += ' -d "' + device.data.name + '"';
+        }
+        cmd += ' --mode "' + scanRequest.mode + '"';
+        
+        if (device.isFeatureSupported('--depth') && 'depth' in scanRequest) {
+            cmd += ' --depth ' + scanRequest.depth;
+        }
+
+        cmd += ' --resolution ' + scanRequest.resolution;
+        cmd += ' -l ' + scanRequest.left;
+        cmd += ' -t ' + scanRequest.top;
+        cmd += ' -x ' + scanRequest.width;
+        cmd += ' -y ' + scanRequest.height;
+        cmd += ' --format ' + scanRequest.format;
+
+        if (device.isFeatureSupported('--brightness')) {
+            cmd += ' --brightness ' + scanRequest.brightness;
+        }
+
+        if (device.isFeatureSupported('--contrast')) {
+            cmd += ' --contrast ' + scanRequest.contrast;
+        }
+
+        if (scanRequest.mode === 'Lineart' && !scanRequest.dynamicLineart &&
+                device.isFeatureSupported('--disable-dynamic-lineart')) {
+            cmd += ' --disable-dynamic-lineart=yes ';
+        }
+
+        if (scanRequest.convertFormat !== 'tif') {
+            cmd += ' | convert - ' + scanRequest.convertFormat + ':-';
+        }
+
+        // Last
+        cmd += ' > "' + scanRequest.outputFilepath + '"';
+        return cmd;
+    };
+
+    _this.execute = function (scanRequest) {
+        if (!exists()) {
+            return Q.reject(new Error('Unable to find Scanimage at "' + Config.Scanimage + '"'));
+        }
+
+        var device = new Device();
+
+        if ('device' in scanRequest && scanRequest.device) {
+            device.load(scanRequest.device);
+        }
+
+        var response = {
+            image: null,
+            cmdline: null,
+            output: [],
+            errors: [],
+            returnCode: -1
+        };
+
+        System.trace('Scanimage.execute:start');
+        response.errors = scanRequest.validate(device);
+
+        if (response.errors.length === 0) {
+            response.cmdline = commandLine(scanRequest, device);
+
+            return System.execute(response.cmdline)
+                .then(function (reply) {
+                    System.trace('Scanimage.execute:finish', reply);
+                    response.output = reply.output;
+                    response.code = reply.code;
+                    response.image = scanRequest.outputFilepath;
+                    return response;
+                });
+
+        } else {
+            var error = new Error(response.errors.join('\n'));
+            return Q.reject(error);
+        }
+    };
 };
diff --git a/classes/System.js b/classes/System.js
index ccc994d5..d216cc89 100644
--- a/classes/System.js
+++ b/classes/System.js
@@ -5,94 +5,94 @@ var Q = require('kew');
 
 var System = {
 
-	version: packageJson.version,
-
-	isArray: function (obj) {
-		return Array.isArray(obj);
-	},
-
-	isObject: function (obj) {
-		return obj === Object(obj);
-	},
-
-	log: function (k, v) {
-		if (System.isArray(v)) {
-			v.forEach(function (e) {
-				System.trace(k, e);
-			});
-
-		} else if (System.isObject(v)) {
-			System.trace(k, JSON.stringify(v));
-
-		} else if (v === undefined) {
-			console.log(k + config.TraceLineEnding);
-
-		} else {
-			if (v === null) {
-				v = "{NULL}";
-			}
-
-			console.log(k + '=' + v + config.TraceLineEnding);
-		}
-	},
-
-	trace: function (k, v) {
-		if (config.IsTrace) {
-			System.log(k, v);
-		}
-	},
-
-	execute: function (cmd) {
-		var deferred = Q.defer();
-
-		var res = {
-			cmd: cmd,
-			output: '',
-			code: -1
-		};
-
-		if (!config.BypassSystemExecute) {
-			System.trace('System.execute:start', cmd);
-
-			exec(cmd, function (error, stdout, stderr) {
-				if (error) {
-					deferred.reject(error);
-					return;
-				}
-
-				System.extend(res, {
-					output: stdout,
-					code: error ? -1 : 0
-				});
-
-				System.trace('System.execute:finish', res);
-
-				deferred.resolve(res);
-			});
-		}
-
-		return deferred.promise;
-	},
-
-	error: function (e) {
-		System.log("Error", $e);
-	},
-
-	scannerDevices: function () {
-		var cmd = config.Scanimage + " -L";
-		return System.execute(cmd);
-	},
-
-	extend: function () {
-		var t = arguments[0];
-		for (var i = 1; i < arguments.length; i++) {
-			var s = arguments[i];
-			for (var p in s) {
-				t[p] = s[p];
-			}
-		}
-		return t;
-	}
+    version: packageJson.version,
+
+    isArray: function (obj) {
+        return Array.isArray(obj);
+    },
+
+    isObject: function (obj) {
+        return obj === Object(obj);
+    },
+
+    log: function (k, v) {
+        if (System.isArray(v)) {
+            v.forEach(function (e) {
+                System.trace(k, e);
+            });
+
+        } else if (System.isObject(v)) {
+            System.trace(k, JSON.stringify(v));
+
+        } else if (v === undefined) {
+            console.log(k + config.TraceLineEnding);
+
+        } else {
+            if (v === null) {
+                v = "{NULL}";
+            }
+
+            console.log(k + '=' + v + config.TraceLineEnding);
+        }
+    },
+
+    trace: function (k, v) {
+        if (config.IsTrace) {
+            System.log(k, v);
+        }
+    },
+
+    execute: function (cmd) {
+        var deferred = Q.defer();
+
+        var res = {
+            cmd: cmd,
+            output: '',
+            code: -1
+        };
+
+        if (!config.BypassSystemExecute) {
+            System.trace('System.execute:start', cmd);
+
+            exec(cmd, function (error, stdout) {
+                if (error) {
+                    deferred.reject(error);
+                    return;
+                }
+
+                System.extend(res, {
+                    output: stdout,
+                    code: error ? -1 : 0
+                });
+
+                System.trace('System.execute:finish', res);
+
+                deferred.resolve(res);
+            });
+        }
+
+        return deferred.promise;
+    },
+
+    error: function (e) {
+        System.log("Error", e);
+    },
+
+    scannerDevices: function () {
+        var cmd = config.Scanimage + " -L";
+        return System.execute(cmd);
+    },
+
+    extend: function () {
+        var t = arguments[0];
+        for (var i = 1; i < arguments.length; i++) {
+            var s = arguments[i];
+            for (var p in s) {
+                t[p] = s[p];
+            }
+        }
+        return t;
+    }
 };
 
 module.exports = System;
\ No newline at end of file
diff --git a/docs/install.md b/docs/install.md
index bcab7503..032b6984 100644
--- a/docs/install.md
+++ b/docs/install.md
@@ -1,8 +1,9 @@
 # installation
 
 ## tl;dr;
+
 ```
-sudo apt install npm sane-utils imagemagick curl`
+sudo apt install npm sane-utils imagemagick curl
 curl -sL https://deb.nodesource.com/setup_8.x | sudo -E bash -
 sudo apt install -y nodejs
 wget -O ~/scanservjs.tar.gz $(curl -s https://api.github.com/repos/sbs20/scanservjs/releases/latest | grep browser_download_url | cut -d '"' -f 4)
@@ -32,6 +33,11 @@ sudo apt install -y nodejs
 sudo apt-get install npm sane-utils imagemagick`
 ```
 
+#### Debian 10:
+```
+sudo apt install -y nodejs npm sane-utils imagemagick
+```
+
 For more on problems installing an up to date nodejs on Debian which includes
 `npm`. See [here](https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions)
 
@@ -55,9 +61,12 @@ Or have a look at [other releases](https://github.com/sbs20/scanservjs/releases)
 
 # development / build
 
-  * Install nodejs
-  * `npm install`
-  * `npm install -g gulp-cli`
-  * `gulp`
-  * `cd ./build/scanservjs`
-  * `node /server.js`
+* Install nodejs
+* `npm install`
+* `npm install -g gulp-cli`
+* `gulp`
+* `cd ./build/scanservjs`
+* `node /server.js`
+
+# Updating dependencies
+* `npm audit fix` or `npm update`. This won't remove old packages. Delete node_modules and reinstall
diff --git a/gulpfile.js b/gulpfile.js
index 4e581364..6880f351 100755
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -1,6 +1,6 @@
 var gulp = require('gulp');
 var uglify = require('gulp-uglify');
-var jshint = require('gulp-jshint');
+var eslint = require('gulp-eslint');
 var concat = require('gulp-concat');
 var chmod = require('gulp-chmod');
 var filter = require('gulp-filter');
@@ -20,6 +20,43 @@ var knownOptions = {
 };
 
 var options = minimist(process.argv.slice(2), knownOptions);
+var linter = function () {
+    return eslint({
+        'parserOptions': {
+            'ecmaVersion': 2017
+        },
+        'env': {
+            'es6': true,
+            'browser': true
+        },
+        'globals': [
+            'console',
+            'document',
+            'module',
+            'require',
+            'window',
+            'Buffer'
+        ],
+        'rules': {
+            'array-bracket-spacing': 1,
+            'brace-style': 1,
+            'comma-spacing': 1,
+            'eqeqeq': 1,
+            'indent': ['error', 4, {'SwitchCase': 1}],
+            'keyword-spacing': 1,
+            'no-mixed-spaces-and-tabs': 1,
+            'no-undef': 1,
+            'no-unused-vars': 1,
+            //'no-var': 1,
+            //'object-shorthand': [1, 'methods'],
+            //'prefer-arrow-callback': 1,
+            //'quotes': ['error', 'single'],
+            'semi': ['error', 'always'],
+            'space-before-blocks': 1,
+            'space-infix-ops': 1
+        }
+    });
+};
 
 // Useful resources
 //  * https://www.smashingmagazine.com/2014/06/building-with-gulp/
@@ -35,14 +72,17 @@ gulp.task('clean', function () {
 
 gulp.task('inspect', function () {
     return gulp.src('./src/client.js')
-        .pipe(jshint())
-        .pipe(jshint.reporter('default'));        
+        // See rules: https://eslint.org/docs/rules/
+        .pipe(linter())
+        .pipe(eslint.format())
+        .pipe(eslint.failAfterError());
 });
 
 gulp.task('server-js', gulp.series(['inspect'], function () {
     return gulp.src(['server.js', './classes/*.js'])
-        .pipe(jshint())
-        .pipe(jshint.reporter('default'));        
+        .pipe(linter())
+        .pipe(eslint.format())
+        .pipe(eslint.failAfterError());
 }));
 
 gulp.task('client-js', gulp.series(['inspect'], function () {
diff --git a/package-lock.json b/package-lock.json
index 4ee64d98..50fd45ed 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -4,6 +4,38 @@
   "lockfileVersion": 1,
   "requires": true,
   "dependencies": {
+    "@babel/code-frame": {
+      "version": "7.8.3",
+      "resolved": "https://registry.npmjs.org/@babel/code-frame/-/code-frame-7.8.3.tgz",
+      "integrity": "sha512-a9gxpmdXtZEInkCSHUJDLHZVBgb1QS0jhss4cPP93EW7s+uC5bikET2twEF3KV+7rDblJcmNvTR7VJejqd2C2g==",
+      "dev": true,
+      "requires": {
+        "@babel/highlight": "^7.8.3"
+      }
+    },
+    "@babel/helper-validator-identifier": {
+      "version": "7.9.5",
+      "resolved": "https://registry.npmjs.org/@babel/helper-validator-identifier/-/helper-validator-identifier-7.9.5.tgz",
+      "integrity": "sha512-/8arLKUFq882w4tWGj9JYzRpAlZgiWUJ+dtteNTDqrRBz9Iguck9Rn3ykuBDoUwh2TO4tSAJlrxDUOXWklJe4g==",
+      "dev": true
+    },
+    "@babel/highlight": {
+      "version": "7.9.0",
+      "resolved": "https://registry.npmjs.org/@babel/highlight/-/highlight-7.9.0.tgz",
+      "integrity": "sha512-lJZPilxX7Op3Nv/2cvFdnlepPXDxi29wxteT57Q965oc5R9v86ztx0jfxVrTcBk8C2kcPkkDa2Z4T3ZsPPVWsQ==",
+      "dev": true,
+      "requires": {
+        "@babel/helper-validator-identifier": "^7.9.0",
+        "chalk": "^2.0.0",
+        "js-tokens": "^4.0.0"
+      }
+    },
+    "@types/color-name": {
+      "version": "1.1.1",
+      "resolved": "https://registry.npmjs.org/@types/color-name/-/color-name-1.1.1.tgz",
+      "integrity": "sha512-rr+OQyAjxze7GgWrSaJwydHStIhHq2lvY3BOC2Mj7KnzI7XK0Uw1TOOdI9lDoajEbSWLiYgoo4f1R51erQfhPQ==",
+      "dev": true
+    },
     "JSONStream": {
       "version": "1.3.4",
       "resolved": "https://registry.npmjs.org/JSONStream/-/JSONStream-1.3.4.tgz",
@@ -48,6 +80,12 @@
       "integrity": "sha512-ZVA9k326Nwrj3Cj9jlh3wGFutC2ZornPNARZwsNYqQYgN0EsV2d53w5RN/co65Ohn4sUAUtb1rSUAOD6XN9idA==",
       "dev": true
     },
+    "acorn-jsx": {
+      "version": "5.2.0",
+      "resolved": "https://registry.npmjs.org/acorn-jsx/-/acorn-jsx-5.2.0.tgz",
+      "integrity": "sha512-HiUX/+K2YpkpJ+SzBffkM/AQ2YE03S0U1kjTLVpoJdhZMOWy8qvXVN9JdLqv2QsaQ6MPYQIuNmwD8zOiYUofLQ==",
+      "dev": true
+    },
     "acorn-node": {
       "version": "1.6.0",
       "resolved": "https://registry.npmjs.org/acorn-node/-/acorn-node-1.6.0.tgz",
@@ -65,6 +103,18 @@
       "integrity": "sha512-ugTb7Lq7u4GfWSqqpwE0bGyoBZNMTok/zDBXxfEG0QM50jNlGhIWjRC1pPN7bvV1anhF+bs+/gNcRw+o55Evbg==",
       "dev": true
     },
+    "ajv": {
+      "version": "6.12.2",
+      "resolved": "https://registry.npmjs.org/ajv/-/ajv-6.12.2.tgz",
+      "integrity": "sha512-k+V+hzjm5q/Mr8ef/1Y9goCmlsK4I6Sm74teeyGvFk1XrOsbsKLjEdrvny42CZ+a8sXbk8KWpY/bDwS+FLL2UQ==",
+      "dev": true,
+      "requires": {
+        "fast-deep-equal": "^3.1.1",
+        "fast-json-stable-stringify": "^2.0.0",
+        "json-schema-traverse": "^0.4.1",
+        "uri-js": "^4.2.2"
+      }
+    },
     "align-text": {
       "version": "0.1.4",
       "resolved": "https://registry.npmjs.org/align-text/-/align-text-0.1.4.tgz",
@@ -101,6 +151,23 @@
         "ansi-wrap": "0.1.0"
       }
     },
+    "ansi-escapes": {
+      "version": "4.3.1",
+      "resolved": "https://registry.npmjs.org/ansi-escapes/-/ansi-escapes-4.3.1.tgz",
+      "integrity": "sha512-JWF7ocqNrp8u9oqpgV+wH5ftbt+cfvv+PTjOvKLT3AdYly/LmORARfEVT1iyjwN+4MqE5UmVKoAdIBqeoCHgLA==",
+      "dev": true,
+      "requires": {
+        "type-fest": "^0.11.0"
+      },
+      "dependencies": {
+        "type-fest": {
+          "version": "0.11.0",
+          "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.11.0.tgz",
+          "integrity": "sha512-OdjXJxnCN1AvyLSzeKIgXTXxV+99ZuXl3Hpo9XpJAv9MBcHrrJOQ5kV7ypXOuQie+AmWG25hLbiKdwYTifzcfQ==",
+          "dev": true
+        }
+      }
+    },
     "ansi-gray": {
       "version": "0.1.1",
       "resolved": "https://registry.npmjs.org/ansi-gray/-/ansi-gray-0.1.1.tgz",
@@ -125,6 +192,15 @@
       "integrity": "sha1-w7M6te42DYbg5ijwRorn7yfWVN8=",
       "dev": true
     },
+    "ansi-styles": {
+      "version": "3.2.1",
+      "resolved": "https://registry.npmjs.org/ansi-styles/-/ansi-styles-3.2.1.tgz",
+      "integrity": "sha512-VT0ZI6kZRdTh8YyJw3SMbYm/u+NqfsAxEpWO0Pf9sq8/e94WxxOpPKx9FR1FlyCtOVDNOQ+8ntlqFxiRc+r5qA==",
+      "dev": true,
+      "requires": {
+        "color-convert": "^1.9.0"
+      }
+    },
     "ansi-wrap": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/ansi-wrap/-/ansi-wrap-0.1.0.tgz",
@@ -210,6 +286,15 @@
       "integrity": "sha1-+cjBN1fMHde8N5rHeyxipcKGjEA=",
       "dev": true
     },
+    "argparse": {
+      "version": "1.0.10",
+      "resolved": "https://registry.npmjs.org/argparse/-/argparse-1.0.10.tgz",
+      "integrity": "sha512-o5Roy6tNG4SL/FOkCAN6RzjiakZS25RLYFrcMttJqbdd8BWrnA+fGz57iN5Pb06pvBGvl5gQ0B48dJlslXvoTg==",
+      "dev": true,
+      "requires": {
+        "sprintf-js": "~1.0.2"
+      }
+    },
     "arr-diff": {
       "version": "4.0.0",
       "resolved": "https://registry.npmjs.org/arr-diff/-/arr-diff-4.0.0.tgz",
@@ -417,6 +502,12 @@
       "integrity": "sha1-WWZ/QfrdTyDMvCu5a41Pf3jsA2c=",
       "dev": true
     },
+    "astral-regex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/astral-regex/-/astral-regex-1.0.0.tgz",
+      "integrity": "sha512-+Ryf6g3BKoRc7jfp7ad8tM4TtMiaWvbF/1/sQcZPkkS7ag3D5nMBCe2UfOTONtAkaG0tO0ij3C5Lwmf1EiyjHg==",
+      "dev": true
+    },
     "async-done": {
       "version": "1.3.2",
       "resolved": "https://registry.npmjs.org/async-done/-/async-done-1.3.2.tgz",
@@ -904,7 +995,7 @@
     },
     "buffer": {
       "version": "4.9.1",
-      "resolved": "https://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
+      "resolved": "http://registry.npmjs.org/buffer/-/buffer-4.9.1.tgz",
       "integrity": "sha1-bRu2AbB6TvztlwlBMgkwJ8lbwpg=",
       "dev": true,
       "requires": {
@@ -994,6 +1085,12 @@
       "integrity": "sha512-5r2GqsoEb4qMTTN9J+WzXfjov+hjxT+j3u5K+kIVNIwAd99DLCJE9pBIMP1qVeybV6JiijL385Oz0DcYxfbOIg==",
       "dev": true
     },
+    "callsites": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/callsites/-/callsites-3.1.0.tgz",
+      "integrity": "sha512-P8BjAsXvZS+VIDUI11hHCQEv74YT67YUi5JJFNWIqL235sBmjX4+qx9Muvls5ivyNENctx46xQLQ3aTuE7ssaQ==",
+      "dev": true
+    },
     "camelcase": {
       "version": "3.0.0",
       "resolved": "https://registry.npmjs.org/camelcase/-/camelcase-3.0.0.tgz",
@@ -1010,6 +1107,23 @@
         "lazy-cache": "^1.0.3"
       }
     },
+    "chalk": {
+      "version": "2.4.2",
+      "resolved": "https://registry.npmjs.org/chalk/-/chalk-2.4.2.tgz",
+      "integrity": "sha512-Mti+f9lpJNcwF4tWV8/OrTTtF1gZi+f8FqlyAdouralcFWFQWF2+NgCHShjkCb+IFBLq9buZwE1xckQU4peSuQ==",
+      "dev": true,
+      "requires": {
+        "ansi-styles": "^3.2.1",
+        "escape-string-regexp": "^1.0.5",
+        "supports-color": "^5.3.0"
+      }
+    },
+    "chardet": {
+      "version": "0.7.0",
+      "resolved": "https://registry.npmjs.org/chardet/-/chardet-0.7.0.tgz",
+      "integrity": "sha512-mT8iDcrh03qDGRRmoA2hmBJnxpllMR+0/0qlzjqZES6NdiWDcZkCNAk4rPFZ9Q85r27unkiNNg8ZOiwZXBHwcA==",
+      "dev": true
+    },
     "chokidar": {
       "version": "2.1.8",
       "resolved": "https://registry.npmjs.org/chokidar/-/chokidar-2.1.8.tgz",
@@ -1096,6 +1210,21 @@
         "glob": "^7.1.1"
       }
     },
+    "cli-cursor": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/cli-cursor/-/cli-cursor-3.1.0.tgz",
+      "integrity": "sha512-I/zHAwsKf9FqGoXM4WWRACob9+SNukZTd94DWF57E4toouRulbCxcUh6RKUEOQlYTHJnzkPMySvPNaaSLNfLZw==",
+      "dev": true,
+      "requires": {
+        "restore-cursor": "^3.1.0"
+      }
+    },
+    "cli-width": {
+      "version": "2.2.1",
+      "resolved": "https://registry.npmjs.org/cli-width/-/cli-width-2.2.1.tgz",
+      "integrity": "sha512-GRMWDxpOB6Dgk2E5Uo+3eEBvtOOlimMmpbFiKuLFnQzYDavtLFY3K5ona41jgN/WdRZtG7utuVSVTL4HbZHGkw==",
+      "dev": true
+    },
     "cliui": {
       "version": "3.2.0",
       "resolved": "https://registry.npmjs.org/cliui/-/cliui-3.2.0.tgz",
@@ -1163,6 +1292,21 @@
         "object-visit": "^1.0.0"
       }
     },
+    "color-convert": {
+      "version": "1.9.3",
+      "resolved": "https://registry.npmjs.org/color-convert/-/color-convert-1.9.3.tgz",
+      "integrity": "sha512-QfAUtd+vFdAtFQcC8CCyYt1fYWxSqAiK2cSD6zDB8N3cpsEBAvRxp9zOGg6G/SHHJYAT88/az/IuDGALsNVbGg==",
+      "dev": true,
+      "requires": {
+        "color-name": "1.1.3"
+      }
+    },
+    "color-name": {
+      "version": "1.1.3",
+      "resolved": "https://registry.npmjs.org/color-name/-/color-name-1.1.3.tgz",
+      "integrity": "sha1-p9BVi9icQveV3UIyj3QIMcpTvCU=",
+      "dev": true
+    },
     "color-support": {
       "version": "1.1.3",
       "resolved": "https://registry.npmjs.org/color-support/-/color-support-1.1.3.tgz",
@@ -1264,7 +1408,7 @@
     },
     "convert-source-map": {
       "version": "1.1.3",
-      "resolved": "https://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
+      "resolved": "http://registry.npmjs.org/convert-source-map/-/convert-source-map-1.1.3.tgz",
       "integrity": "sha1-SCnId+n+SbMWHzvzZziI4gRpmGA=",
       "dev": true
     },
@@ -1368,6 +1512,19 @@
         "sha.js": "^2.4.8"
       }
     },
+    "cross-spawn": {
+      "version": "6.0.5",
+      "resolved": "https://registry.npmjs.org/cross-spawn/-/cross-spawn-6.0.5.tgz",
+      "integrity": "sha512-eTVLrBSt7fjbDygz805pMnstIs2VTBNkRm0qxZd+M7A5XDdxVRWO5MxGBXZhjY4cqLYLdtrGqRf8mBPmzwSpWQ==",
+      "dev": true,
+      "requires": {
+        "nice-try": "^1.0.4",
+        "path-key": "^2.0.1",
+        "semver": "^5.5.0",
+        "shebang-command": "^1.2.0",
+        "which": "^1.2.9"
+      }
+    },
     "crypto-browserify": {
       "version": "3.12.0",
       "resolved": "https://registry.npmjs.org/crypto-browserify/-/crypto-browserify-3.12.0.tgz",
@@ -1838,6 +1995,12 @@
       "integrity": "sha1-6zkTMzRYd1y4TNGh+uBiEGu4dUU=",
       "dev": true
     },
+    "deep-is": {
+      "version": "0.1.3",
+      "resolved": "https://registry.npmjs.org/deep-is/-/deep-is-0.1.3.tgz",
+      "integrity": "sha1-s2nW+128E+7PUk+RsHD+7cNXzzQ=",
+      "dev": true
+    },
     "default-compare": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/default-compare/-/default-compare-1.0.0.tgz",
@@ -2012,6 +2175,23 @@
         "randombytes": "^2.0.0"
       }
     },
+    "doctrine": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmjs.org/doctrine/-/doctrine-3.0.0.tgz",
+      "integrity": "sha512-yS+Q5i3hBf7GBkd4KG8a7eBNNWNGLTaEwwYWUijIYM7zrlYDM0BFXHjjPWlWZ1Rg7UaddZeIDmi9jF3HmqiQ2w==",
+      "dev": true,
+      "requires": {
+        "esutils": "^2.0.2"
+      },
+      "dependencies": {
+        "esutils": {
+          "version": "2.0.3",
+          "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz",
+          "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==",
+          "dev": true
+        }
+      }
+    },
     "dom-serializer": {
       "version": "0.2.1",
       "resolved": "https://registry.npmjs.org/dom-serializer/-/dom-serializer-0.2.1.tgz",
@@ -2124,6 +2304,12 @@
         "minimalistic-crypto-utils": "^1.0.0"
       }
     },
+    "emoji-regex": {
+      "version": "8.0.0",
+      "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-8.0.0.tgz",
+      "integrity": "sha512-MSjYzcWNOA0ewAHpz0MxpYFvwg6yjy1NG3xteoqz644VCo/RPgnr1/GGt+ic3iJTzQ8Eu3TdM14SawnVUmGE6A==",
+      "dev": true
+    },
     "encodeurl": {
       "version": "1.0.2",
       "resolved": "https://registry.npmjs.org/encodeurl/-/encodeurl-1.0.2.tgz",
@@ -2238,12 +2424,202 @@
         }
       }
     },
+    "eslint": {
+      "version": "6.8.0",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-6.8.0.tgz",
+      "integrity": "sha512-K+Iayyo2LtyYhDSYwz5D5QdWw0hCacNzyq1Y821Xna2xSJj7cijoLLYmLxTQgcgZ9mC61nryMy9S7GRbYpI5Ig==",
+      "dev": true,
+      "requires": {
+        "@babel/code-frame": "^7.0.0",
+        "ajv": "^6.10.0",
+        "chalk": "^2.1.0",
+        "cross-spawn": "^6.0.5",
+        "debug": "^4.0.1",
+        "doctrine": "^3.0.0",
+        "eslint-scope": "^5.0.0",
+        "eslint-utils": "^1.4.3",
+        "eslint-visitor-keys": "^1.1.0",
+        "espree": "^6.1.2",
+        "esquery": "^1.0.1",
+        "esutils": "^2.0.2",
+        "file-entry-cache": "^5.0.1",
+        "functional-red-black-tree": "^1.0.1",
+        "glob-parent": "^5.0.0",
+        "globals": "^12.1.0",
+        "ignore": "^4.0.6",
+        "import-fresh": "^3.0.0",
+        "imurmurhash": "^0.1.4",
+        "inquirer": "^7.0.0",
+        "is-glob": "^4.0.0",
+        "js-yaml": "^3.13.1",
+        "json-stable-stringify-without-jsonify": "^1.0.1",
+        "levn": "^0.3.0",
+        "lodash": "^4.17.14",
+        "minimatch": "^3.0.4",
+        "mkdirp": "^0.5.1",
+        "natural-compare": "^1.4.0",
+        "optionator": "^0.8.3",
+        "progress": "^2.0.0",
+        "regexpp": "^2.0.1",
+        "semver": "^6.1.2",
+        "strip-ansi": "^5.2.0",
+        "strip-json-comments": "^3.0.1",
+        "table": "^5.2.3",
+        "text-table": "^0.2.0",
+        "v8-compile-cache": "^2.0.3"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "debug": {
+          "version": "4.1.1",
+          "resolved": "https://registry.npmjs.org/debug/-/debug-4.1.1.tgz",
+          "integrity": "sha512-pYAIzeRo8J6KPEaJ0VWOh5Pzkbw/RetuzehGM7QRRX5he4fPHx2rdKMB256ehJCkX+XRQm16eZLqLNS8RSZXZw==",
+          "dev": true,
+          "requires": {
+            "ms": "^2.1.1"
+          }
+        },
+        "esutils": {
+          "version": "2.0.3",
+          "resolved": "https://registry.npmjs.org/esutils/-/esutils-2.0.3.tgz",
+          "integrity": "sha512-kVscqXk4OCp68SZ0dkgEKVi6/8ij300KBWTJq32P/dYeWTSwK41WyTxalN1eRmA5Z9UU/LX9D7FWSmV9SAYx6g==",
+          "dev": true
+        },
+        "glob-parent": {
+          "version": "5.1.1",
+          "resolved": "https://registry.npmjs.org/glob-parent/-/glob-parent-5.1.1.tgz",
+          "integrity": "sha512-FnI+VGOpnlGHWZxthPGR+QhR78fuiK0sNLkHQv+bL9fQi57lNNdquIbna/WrfROrolq8GK5Ek6BiMwqL/voRYQ==",
+          "dev": true,
+          "requires": {
+            "is-glob": "^4.0.1"
+          }
+        },
+        "ms": {
+          "version": "2.1.2",
+          "resolved": "https://registry.npmjs.org/ms/-/ms-2.1.2.tgz",
+          "integrity": "sha512-sGkPx+VjMtmA6MX27oA4FBFELFCZZ4S4XqeGOXCv68tT+jb3vk/RyaKWP0PTKyWtmLSM0b+adUTEvbs1PEaH2w==",
+          "dev": true
+        },
+        "semver": {
+          "version": "6.3.0",
+          "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+          "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw==",
+          "dev": true
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        },
+        "strip-json-comments": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/strip-json-comments/-/strip-json-comments-3.1.0.tgz",
+          "integrity": "sha512-e6/d0eBu7gHtdCqFt0xJr642LdToM5/cN4Qb9DbHjVx1CP5RyeM+zH7pbecEmDv/lBqb0QH+6Uqq75rxFPkM0w==",
+          "dev": true
+        }
+      }
+    },
+    "eslint-scope": {
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+      "resolved": "https://registry.npmjs.org/regexpp/-/regexpp-2.0.1.tgz",
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+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/remove-bom-buffer/-/remove-bom-buffer-3.0.0.tgz",
@@ -5756,6 +6482,12 @@
         "global-modules": "^1.0.0"
       }
     },
+    "resolve-from": {
+      "version": "4.0.0",
+      "resolved": "https://registry.npmjs.org/resolve-from/-/resolve-from-4.0.0.tgz",
+      "integrity": "sha512-pb/MYmXstAkysRFx8piNI1tGFNQIFA3vkE3Gq4EuA1dF6gHp/+vgZqsCGJapvy8N3Q+4o7FwvquPJcnZ7RYy4g==",
+      "dev": true
+    },
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       "resolved": "https://registry.npmjs.org/resolve-options/-/resolve-options-1.1.0.tgz",
@@ -5771,6 +6503,16 @@
       "integrity": "sha1-LGN/53yJOv0qZj/iGqkIAGjiBSo=",
       "dev": true
     },
+    "restore-cursor": {
+      "version": "3.1.0",
+      "resolved": "https://registry.npmjs.org/restore-cursor/-/restore-cursor-3.1.0.tgz",
+      "integrity": "sha512-l+sSefzHpj5qimhFSE5a8nufZYAM3sBSVMAPtYkmC+4EH2anSGaEMXSD0izRQbu9nfyQ9y5JrVmp7E8oZrUjvA==",
+      "dev": true,
+      "requires": {
+        "onetime": "^5.1.0",
+        "signal-exit": "^3.0.2"
+      }
+    },
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       "version": "0.1.15",
       "resolved": "https://registry.npmjs.org/ret/-/ret-0.1.15.tgz",
@@ -5805,6 +6547,21 @@
         "inherits": "^2.0.1"
       }
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+    "run-async": {
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+      "resolved": "https://registry.npmjs.org/run-async/-/run-async-2.4.1.tgz",
+      "integrity": "sha512-tvVnVv01b8c1RrA6Ep7JkStj85Guv/YrMcwqYQnwjsAS2cTmmPGBBjAjpCW7RrSodNSoE2/qg9O4bceNvUuDgQ==",
+      "dev": true
+    },
+    "rxjs": {
+      "version": "6.5.5",
+      "resolved": "https://registry.npmjs.org/rxjs/-/rxjs-6.5.5.tgz",
+      "integrity": "sha512-WfQI+1gohdf0Dai/Bbmk5L5ItH5tYqm3ki2c5GdWhKjalzjg93N3avFjVStyZZz+A2Em+ZxKH5bNghw9UeylGQ==",
+      "dev": true,
+      "requires": {
+        "tslib": "^1.9.0"
+      }
+    },
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       "version": "5.1.2",
       "resolved": "https://registry.npmjs.org/safe-buffer/-/safe-buffer-5.1.2.tgz",
@@ -5931,6 +6688,21 @@
         "sha.js": "~2.4.4"
       }
     },
+    "shebang-command": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/shebang-command/-/shebang-command-1.2.0.tgz",
+      "integrity": "sha1-RKrGW2lbAzmJaMOfNj/uXer98eo=",
+      "dev": true,
+      "requires": {
+        "shebang-regex": "^1.0.0"
+      }
+    },
+    "shebang-regex": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmjs.org/shebang-regex/-/shebang-regex-1.0.0.tgz",
+      "integrity": "sha1-2kL0l0DAtC2yypcoVxyxkMmO/qM=",
+      "dev": true
+    },
     "shell-quote": {
       "version": "1.6.1",
       "resolved": "https://registry.npmjs.org/shell-quote/-/shell-quote-1.6.1.tgz",
@@ -5949,12 +6721,37 @@
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       "dev": true
     },
+    "signal-exit": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmjs.org/signal-exit/-/signal-exit-3.0.3.tgz",
+      "integrity": "sha512-VUJ49FC8U1OxwZLxIbTTrDvLnf/6TDgxZcK8wxR8zs13xpx7xbG60ndBlhNrFi2EMuFRoeDoJO7wthSLq42EjA==",
+      "dev": true
+    },
     "simple-concat": {
       "version": "1.0.0",
       "resolved": "https://registry.npmjs.org/simple-concat/-/simple-concat-1.0.0.tgz",
       "integrity": "sha1-c0TLuLbib7J9ZrL8hvn21Zl1IcY=",
       "dev": true
     },
+    "slice-ansi": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/slice-ansi/-/slice-ansi-2.1.0.tgz",
+      "integrity": "sha512-Qu+VC3EwYLldKa1fCxuuvULvSJOKEgk9pi8dZeCVK7TqBfUNTH4sFkk4joj8afVSfAYgJoSOetjx9QWOJ5mYoQ==",
+      "dev": true,
+      "requires": {
+        "ansi-styles": "^3.2.0",
+        "astral-regex": "^1.0.0",
+        "is-fullwidth-code-point": "^2.0.0"
+      },
+      "dependencies": {
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        }
+      }
+    },
     "snapdragon": {
       "version": "0.8.2",
       "resolved": "https://registry.npmjs.org/snapdragon/-/snapdragon-0.8.2.tgz",
@@ -6156,6 +6953,12 @@
         }
       }
     },
+    "sprintf-js": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/sprintf-js/-/sprintf-js-1.0.3.tgz",
+      "integrity": "sha1-BOaSb2YolTVPPdAVIDYzuFcpfiw=",
+      "dev": true
+    },
     "stack-trace": {
       "version": "0.0.10",
       "resolved": "https://registry.npmjs.org/stack-trace/-/stack-trace-0.0.10.tgz",
@@ -6323,6 +7126,15 @@
         "minimist": "^1.1.0"
       }
     },
+    "supports-color": {
+      "version": "5.5.0",
+      "resolved": "https://registry.npmjs.org/supports-color/-/supports-color-5.5.0.tgz",
+      "integrity": "sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==",
+      "dev": true,
+      "requires": {
+        "has-flag": "^3.0.0"
+      }
+    },
     "sver-compat": {
       "version": "1.5.0",
       "resolved": "https://registry.npmjs.org/sver-compat/-/sver-compat-1.5.0.tgz",
@@ -6342,6 +7154,58 @@
         "acorn-node": "^1.2.0"
       }
     },
+    "table": {
+      "version": "5.4.6",
+      "resolved": "https://registry.npmjs.org/table/-/table-5.4.6.tgz",
+      "integrity": "sha512-wmEc8m4fjnob4gt5riFRtTu/6+4rSe12TpAELNSqHMfF3IqnA+CH37USM6/YR3qRZv7e56kAEAtd6nKZaxe0Ug==",
+      "dev": true,
+      "requires": {
+        "ajv": "^6.10.2",
+        "lodash": "^4.17.14",
+        "slice-ansi": "^2.1.0",
+        "string-width": "^3.0.0"
+      },
+      "dependencies": {
+        "ansi-regex": {
+          "version": "4.1.0",
+          "resolved": "https://registry.npmjs.org/ansi-regex/-/ansi-regex-4.1.0.tgz",
+          "integrity": "sha512-1apePfXM1UOSqw0o9IiFAovVz9M5S1Dg+4TrDwfMewQ6p/rmMueb7tWZjQ1rx4Loy1ArBggoqGpfqqdI4rondg==",
+          "dev": true
+        },
+        "emoji-regex": {
+          "version": "7.0.3",
+          "resolved": "https://registry.npmjs.org/emoji-regex/-/emoji-regex-7.0.3.tgz",
+          "integrity": "sha512-CwBLREIQ7LvYFB0WyRvwhq5N5qPhc6PMjD6bYggFlI5YyDgl+0vxq5VHbMOFqLg7hfWzmu8T5Z1QofhmTIhItA==",
+          "dev": true
+        },
+        "is-fullwidth-code-point": {
+          "version": "2.0.0",
+          "resolved": "https://registry.npmjs.org/is-fullwidth-code-point/-/is-fullwidth-code-point-2.0.0.tgz",
+          "integrity": "sha1-o7MKXE8ZkYMWeqq5O+764937ZU8=",
+          "dev": true
+        },
+        "string-width": {
+          "version": "3.1.0",
+          "resolved": "https://registry.npmjs.org/string-width/-/string-width-3.1.0.tgz",
+          "integrity": "sha512-vafcv6KjVZKSgz06oM/H6GDBrAtz8vdhQakGjFIvNrHA6y3HCF1CInLy+QLq8dTJPQ1b+KDUqDFctkdRW44e1w==",
+          "dev": true,
+          "requires": {
+            "emoji-regex": "^7.0.1",
+            "is-fullwidth-code-point": "^2.0.0",
+            "strip-ansi": "^5.1.0"
+          }
+        },
+        "strip-ansi": {
+          "version": "5.2.0",
+          "resolved": "https://registry.npmjs.org/strip-ansi/-/strip-ansi-5.2.0.tgz",
+          "integrity": "sha512-DuRs1gKbBqsMKIZlrffwlug8MHkcnpjs5VPmL1PAh+mA30U0DTotfDZ0d2UUsXpPmPmMMJ6W773MaA3J+lbiWA==",
+          "dev": true,
+          "requires": {
+            "ansi-regex": "^4.1.0"
+          }
+        }
+      }
+    },
     "tar-stream": {
       "version": "1.6.2",
       "resolved": "https://registry.npmjs.org/tar-stream/-/tar-stream-1.6.2.tgz",
@@ -6363,6 +7227,12 @@
       "integrity": "sha1-RXAnJWCMlJnUapYQ6bDkn/JveJ4=",
       "dev": true
     },
+    "text-table": {
+      "version": "0.2.0",
+      "resolved": "https://registry.npmjs.org/text-table/-/text-table-0.2.0.tgz",
+      "integrity": "sha1-f17oI66AUgfACvLfSoTsP8+lcLQ=",
+      "dev": true
+    },
     "through": {
       "version": "2.3.8",
       "resolved": "http://registry.npmjs.org/through/-/through-2.3.8.tgz",
@@ -6404,6 +7274,15 @@
         "process": "~0.11.0"
       }
     },
+    "tmp": {
+      "version": "0.0.33",
+      "resolved": "https://registry.npmjs.org/tmp/-/tmp-0.0.33.tgz",
+      "integrity": "sha512-jRCJlojKnZ3addtTOjdIqoRuPEKBvNXcGYqzO6zWZX8KfKEpnGY5jfggJQ3EjKuu8D4bJRr0y+cYJFmYbImXGw==",
+      "dev": true,
+      "requires": {
+        "os-tmpdir": "~1.0.2"
+      }
+    },
     "to-absolute-glob": {
       "version": "2.0.2",
       "resolved": "https://registry.npmjs.org/to-absolute-glob/-/to-absolute-glob-2.0.2.tgz",
@@ -6518,7 +7397,7 @@
         },
         "readable-stream": {
           "version": "1.1.14",
-          "resolved": "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
+          "resolved": "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz",
           "integrity": "sha1-fPTFTvZI44EwhMY23SB54WbAgdk=",
           "dev": true,
           "requires": {
@@ -6536,6 +7415,12 @@
         }
       }
     },
+    "tslib": {
+      "version": "1.11.1",
+      "resolved": "https://registry.npmjs.org/tslib/-/tslib-1.11.1.tgz",
+      "integrity": "sha512-aZW88SY8kQbU7gpV19lN24LtXh/yD4ZZg6qieAJDDg+YBsJcSmLGK9QpnUjAKVG/xefmvJGd1WUmfpT/g6AJGA==",
+      "dev": true
+    },
     "tty-browserify": {
       "version": "0.0.1",
       "resolved": "https://registry.npmjs.org/tty-browserify/-/tty-browserify-0.0.1.tgz",
@@ -6548,6 +7433,21 @@
       "integrity": "sha512-+5nt5AAniqsCnu2cEQQdpzCAh33kVx8n0VoFidKpB1dVVLAN/F+bgVOqOJqOnEnrhp222clB5p3vUlD+1QAnfg==",
       "dev": true
     },
+    "type-check": {
+      "version": "0.3.2",
+      "resolved": "https://registry.npmjs.org/type-check/-/type-check-0.3.2.tgz",
+      "integrity": "sha1-WITKtRLPHTVeP7eE8wgEsrUg23I=",
+      "dev": true,
+      "requires": {
+        "prelude-ls": "~1.1.2"
+      }
+    },
+    "type-fest": {
+      "version": "0.8.1",
+      "resolved": "https://registry.npmjs.org/type-fest/-/type-fest-0.8.1.tgz",
+      "integrity": "sha512-4dbzIzqvjtgiM5rw1k5rEHtBANKmdudhGyBEajN01fEyhaAIhsoKNy6y7+IN93IfpFtwY9iqi7kD+xwKhQsNJA==",
+      "dev": true
+    },
     "type-is": {
       "version": "1.6.18",
       "resolved": "https://registry.npmjs.org/type-is/-/type-is-1.6.18.tgz",
@@ -6599,7 +7499,7 @@
         },
         "yargs": {
           "version": "3.10.0",
-          "resolved": "https://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
+          "resolved": "http://registry.npmjs.org/yargs/-/yargs-3.10.0.tgz",
           "integrity": "sha1-9+572FfdfB0tOMDnTvvWgdFDH9E=",
           "dev": true,
           "requires": {
@@ -6758,6 +7658,23 @@
       "integrity": "sha512-aZwGpamFO61g3OlfT7OQCHqhGnW43ieH9WZeP7QxN/G/jS4jfqUkZxoryvJgVPEcrl5NL/ggHsSmLMHuH64Lhg==",
       "dev": true
     },
+    "uri-js": {
+      "version": "4.2.2",
+      "resolved": "https://registry.npmjs.org/uri-js/-/uri-js-4.2.2.tgz",
+      "integrity": "sha512-KY9Frmirql91X2Qgjry0Wd4Y+YTdrdZheS8TFwvkbLWf/G5KNJDCh6pKL5OZctEW4+0Baa5idK2ZQuELRwPznQ==",
+      "dev": true,
+      "requires": {
+        "punycode": "^2.1.0"
+      },
+      "dependencies": {
+        "punycode": {
+          "version": "2.1.1",
+          "resolved": "https://registry.npmjs.org/punycode/-/punycode-2.1.1.tgz",
+          "integrity": "sha512-XRsRjdf+j5ml+y/6GKHPZbrF/8p2Yga0JPtdqTIY2Xe5ohJPD9saDJJLPvp9+NSBprVvevdXZybnj2cv8OEd0A==",
+          "dev": true
+        }
+      }
+    },
     "urix": {
       "version": "0.1.0",
       "resolved": "https://registry.npmjs.org/urix/-/urix-0.1.0.tgz",
@@ -6808,6 +7725,12 @@
       "resolved": "https://registry.npmjs.org/utils-merge/-/utils-merge-1.0.1.tgz",
       "integrity": "sha1-n5VxD1CiZ5R7LMwSR0HBAoQn5xM="
     },
+    "v8-compile-cache": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmjs.org/v8-compile-cache/-/v8-compile-cache-2.1.0.tgz",
+      "integrity": "sha512-usZBT3PW+LOjM25wbqIlZwPeJV+3OSz3M1k1Ws8snlW39dZyYL9lOGC5FgPVHfk0jKmjiDV8Z0mIbVQPiwFs7g==",
+      "dev": true
+    },
     "v8flags": {
       "version": "3.1.3",
       "resolved": "https://registry.npmjs.org/v8flags/-/v8flags-3.1.3.tgz",
@@ -6976,6 +7899,12 @@
       "integrity": "sha1-VDjNLqk7IC76Ohn+iIeu58lPnJ0=",
       "dev": true
     },
+    "word-wrap": {
+      "version": "1.2.3",
+      "resolved": "https://registry.npmjs.org/word-wrap/-/word-wrap-1.2.3.tgz",
+      "integrity": "sha512-Hz/mrNwitNRh/HUAtM/VT/5VH+ygD6DV7mYKZAtHOrbs8U7lvPS6xf7EJKMF0uW1KJCl0H701g3ZGus+muE5vQ==",
+      "dev": true
+    },
     "wordwrap": {
       "version": "0.0.2",
       "resolved": "https://registry.npmjs.org/wordwrap/-/wordwrap-0.0.2.tgz",
@@ -6998,6 +7927,15 @@
       "integrity": "sha1-tSQ9jz7BqjXxNkYFvA0QNuMKtp8=",
       "dev": true
     },
+    "write": {
+      "version": "1.0.3",
+      "resolved": "https://registry.npmjs.org/write/-/write-1.0.3.tgz",
+      "integrity": "sha512-/lg70HAjtkUgWPVZhZcm+T4hkL8Zbtp1nFNOn3lRrxnlv50SRBv7cR7RqR+GMsd3hUXy9hWBo4CHTbFTcOYwig==",
+      "dev": true,
+      "requires": {
+        "mkdirp": "^0.5.1"
+      }
+    },
     "xtend": {
       "version": "4.0.1",
       "resolved": "https://registry.npmjs.org/xtend/-/xtend-4.0.1.tgz",
diff --git a/package.json b/package.json
index fee27b1c..1c085bc0 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "scanservjs",
-  "version": "1.0.1",
+  "version": "1.0.2",
   "description": "scanservjs is a simple web-based UI for SANE which allows you to share a scanner on a network without the need for drivers or complicated installation. scanserv does not do image conversion or manipulation (beyond the bare minimum necessary for the purposes of browser preview) or OCR.",
   "main": "server.js",
   "repository": {
@@ -19,9 +19,9 @@
     "gulp": "^4.0.2",
     "gulp-chmod": "^2.0.0",
     "gulp-concat": "^2.6.1",
+    "gulp-eslint": "^6.0.0",
     "gulp-filter": "^5.1.0",
     "gulp-gzip": "^1.4.2",
-    "gulp-jshint": "^2.1.0",
     "gulp-tar": "^2.1.0",
     "gulp-uglify": "^2.1.2",
     "jquery": "^3.5.0",
diff --git a/server.js b/server.js
index bcc39101..fe25a7ad 100644
--- a/server.js
+++ b/server.js
@@ -105,4 +105,6 @@ app.get('/device', function (req, res) {
         });
 });
 
-app.listen(Config.Port, function () { console.log('listening'); });
+app.listen(Config.Port, function () {
+    console.log('listening');
+});
diff --git a/src/client.js b/src/client.js
index fd735419..655178c7 100644
--- a/src/client.js
+++ b/src/client.js
@@ -241,8 +241,8 @@ $(document).ready(function () {
             this.$el.append(html);
 
             $(window).on('resize', function () {
-                clearTimeout(page.resizeTimer);
-                page.resizeTimer = setTimeout(function () {
+                window.clearTimeout(page.resizeTimer);
+                page.resizeTimer = window.setTimeout(function () {
                     jcrop.draw();
                     page.convert();
                 }, 100);
@@ -290,7 +290,7 @@ $(document).ready(function () {
         deviceSync: function (device) {
             this.device = device;
             var modes = device.attributes.features['--mode'].options.split('|');
-            $mode = $('#mode');
+            var $mode = $('#mode');
             _.each(modes, function (val) {
                 $mode.append('<option>' + val + '</option>');
             });