Complete Edge Detect Module (#771)

* update dist

Signed-off-by: tech4GT <varun.gupta1798@gmail.com>

dist update

Revert "dist update"

This reverts commit 9ee2a987e8f978961656ae8f71f6e6702bbbd30d.

* fix insert step button

* add icon

* add dist

* use normal functions

* use normal functions

* add new function

* add dist

* remove console logs

* changes

* refactor

* add dist

* Bump looks-same from 5.0.2 to 6.0.0 (#729)

Bumps [looks-same](https://github.com/gemini-testing/looks-same) from 5.0.2 to 6.0.0.
- [Release notes](https://github.com/gemini-testing/looks-same/releases)
- [Changelog](https://github.com/gemini-testing/looks-same/blob/master/CHANGELOG.md)
- [Commits](https://github.com/gemini-testing/looks-same/compare/v5.0.2...v6.0.0)

Signed-off-by: dependabot[bot] <support@dependabot.com>

* Setup UI testing (#720)

* default sequencer ui test

* default step ui test suite

* intermediate step ui test

* preview ui test suite

* url methods test suite

* add set url params method test suite

* argument call tests

* test directory refactor

* travis fix

* CLI code refactor (#665)

* CLI refactor

* es6 rollback

* Travis fix

* syntax fix

* clustered require statements

* travis debug

* travis debug

* Added line that selects the "More modules..." after adding a step. (#713)

* Added line making module selection correct after adding a step

* Added line with appropriate module selection

* Add: Module tests (#748)

* WIP

* module testing harness

* adjustments

* Fix choose file option and insert step functionality (#712)

* Fix choose file option

* changes

* Parse info.json to set module defaults (#650)

* changes

* changes

* changes

* changes

* changes

* changes

* Update package-lock.json

* Bump jsqr from 1.1.1 to 1.2.0 (#749)

Bumps [jsqr](https://github.com/cozmo/jsQR) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/cozmo/jsQR/releases)
- [Commits](https://github.com/cozmo/jsQR/commits)

Signed-off-by: dependabot[bot] <support@dependabot.com>

* Bump jsqr from 1.1.1 to 1.2.0 (#749)

Bumps [jsqr](https://github.com/cozmo/jsQR) from 1.1.1 to 1.2.0.
- [Release notes](https://github.com/cozmo/jsQR/releases)
- [Commits](https://github.com/cozmo/jsQR/commits)

Signed-off-by: dependabot[bot] <support@dependabot.com>

* dist

* changes

* working

* final touches

* revert mapTypes

* proper revert

* Fix arctangent

* working hysteresis

* hysteresis optional

src/modules/EdgeDetect/Module.js

@@ -7,6 +7,7 @@ module.exports = function edgeDetect(options, UI) {
   options.blur = options.blur || defaults.blur;
   options.highThresholdRatio = options.highThresholdRatio || defaults.highThresholdRatio;
   options.lowThresholdRatio = options.lowThresholdRatio || defaults.lowThresholdRatio;
+  options.hystereis = options.hysteresis || defaults.hysteresis;
 
   var output;
 
@@ -19,22 +20,19 @@ module.exports = function edgeDetect(options, UI) {
     var step = this;
 
 
-    //   Extra Manipulation function used as an enveloper for applying gaussian blur and Convolution
-    function extraManipulation(pixels) {
-      pixels = require('ndarray-gaussian-filter')(pixels, options.blur);
-      pixels = require('./EdgeUtils')(pixels, options.highThresholdRatio, options.lowThresholdRatio, options.inBrowser);
-      return pixels;
-    }
-
+    // Extra Manipulation function used as an enveloper for applying gaussian blur and Convolution
     function changePixel(r, g, b, a) {
       return [(r + g + b) / 3, (r + g + b) / 3, (r + g + b) / 3, a];
     }
 
+    function extraManipulation(pixels) {
+      pixels = require('ndarray-gaussian-filter')(pixels, options.blur);
+      pixels = require('./EdgeUtils')(pixels, options.highThresholdRatio, options.lowThresholdRatio, options.hystereis);
+      return pixels;
+    }
+
     function output(image, datauri, mimetype) {
-
-      // This output is accessible by Image Sequencer
       step.output = { src: datauri, format: mimetype };
-
     }
 
     return require('../_nomodule/PixelManipulation.js')(input, {
@@ -46,7 +44,6 @@ module.exports = function edgeDetect(options, UI) {
       inBrowser: options.inBrowser,
       callback: callback
     });
-
   }
 
   return {