From 287d7e2be1d695a80fb176a4d308b113d639dcf2 Mon Sep 17 00:00:00 2001
From: Rishabh Shukla <42492389+blurry-x-face@users.noreply.github.com>
Date: Wed, 26 Jan 2022 04:35:32 +0530
Subject: [PATCH] fix blob analysis to work in node (#1589)

Co-authored-by: h <f>
Co-authored-by: Harsh Khandeparkar <34770591+HarshKhandeparkar@users.noreply.github.com>
Co-authored-by: Jeffrey Warren <jeff@unterbahn.com>
---
 src/modules/BlobAnalysis/Module.js  | 12 +++++++++---
 src/modules/_nomodule/gl-context.js | 26 ++++++++++++++------------
 2 files changed, 23 insertions(+), 15 deletions(-)

diff --git a/src/modules/BlobAnalysis/Module.js b/src/modules/BlobAnalysis/Module.js
index efd9367d..4aa20064 100644
--- a/src/modules/BlobAnalysis/Module.js
+++ b/src/modules/BlobAnalysis/Module.js
@@ -10,9 +10,15 @@ module.exports = function BlobAnalysis(options, UI){
   
     var step = this;
 
-    function extraManipulation(pixels){
-  
-      pixels = require('./BlobAnalysis')(pixels);
+    function extraManipulation(pixels, setRenderState, generateOutput){
+      setRenderState(false);
+      if (!options.inBrowser) {
+        require('../_nomodule/gl-context')(input, callback, step, options);
+      } else{
+        pixels = require('./BlobAnalysis')(pixels);
+        setRenderState(true);
+        generateOutput();
+      }
       return pixels;
     }
   
diff --git a/src/modules/_nomodule/gl-context.js b/src/modules/_nomodule/gl-context.js
index 6a615cd5..4f1c86d6 100644
--- a/src/modules/_nomodule/gl-context.js
+++ b/src/modules/_nomodule/gl-context.js
@@ -15,19 +15,21 @@ module.exports = function runInBrowserContext(input, callback, step, options) {
             is not available otherwise */
       page.goto('https://google.com').then(() => {
         page.addScriptTag({ path: require('path').join(__dirname, '../../../dist/image-sequencer.js') }).then(() => {
-          page.evaluate((options) => {
-            return new Promise((resolve, reject) => {
-              var sequencer = ImageSequencer();
-              sequencer.loadImage(options.input.src);
-              sequencer.addSteps(options.modOptions.step, options.modOptions);
-              sequencer.run(function cb(out) {
-                resolve(sequencer.steps[1].output.src);
+          page.addScriptTag({path: require('path').join(__dirname, '../../../node_modules/opencv.js/opencv.js')}).then(() => {
+            page.evaluate((options) => {
+              return new Promise((resolve, reject) => {
+                var sequencer = ImageSequencer();
+                sequencer.loadImage(options.input.src);
+                sequencer.addSteps(options.modOptions.step, options.modOptions);
+                sequencer.run(function cb(out) {
+                  resolve(sequencer.steps[1].output.src);
+                });
+              });
+            }, obj).then(el => {
+              browser.close().then(() => {
+                step.output = { src: el, format: input.format };
+                callback();
               });
-            });
-          }, obj).then(el => {
-            browser.close().then(() => {
-              step.output = { src: el, format: input.format };
-              callback();
             });
           });
         });