Updated PATH settings for Windows

Author: Simon Hofmann

lib/cv.js

@@ -1,18 +1,42 @@
-const path = require('path');
-const { resolvePath } = require('./commons');
+const path = require("path");
+const { resolvePath } = require("./commons");
+
+let winLibsPath;
+if (process.env.BINDINGS_DEBUG) {
+  winLibsPath = "../build/Debug/opencv4nodejs";
+} else {
+  winLibsPath = "../build/Release/opencv4nodejs";
+}
+// ensure binaries are added to path on windows
+if (process.platform === "win32") {
+  // append opencv binary path to node process
+  if (!process.env.path.includes(winLibsPath)) {
+    process.env.path = `${process.env.path};${winLibsPath};`;
+  }
+}
 
 let cv;
 if (process.env.BINDINGS_DEBUG) {
-  cv = require(path.join(__dirname, '../build/Debug/opencv4nodejs'));
+  cv = require(path.join(__dirname, "../build/Debug/opencv4nodejs"));
 } else {
-  cv = require(path.join(__dirname, '../build/Release/opencv4nodejs'));
+  cv = require(path.join(__dirname, "../build/Release/opencv4nodejs"));
 }
 
 // resolve haarcascade files
 const { haarCascades, lbpCascades } = cv;
 Object.keys(haarCascades).forEach(
-  key => cv[key] = resolvePath(path.join(__dirname, './haarcascades'), haarCascades[key]));
+  key =>
+    (cv[key] = resolvePath(
+      path.join(__dirname, "./haarcascades"),
+      haarCascades[key]
+    ))
+);
 Object.keys(lbpCascades).forEach(
-  key => cv[key] = resolvePath(path.join(__dirname, './lbpcascades'), lbpCascades[key]));
+  key =>
+    (cv[key] = resolvePath(
+      path.join(__dirname, "./lbpcascades"),
+      lbpCascades[key]
+    ))
+);
 
 module.exports = cv;