js: backport PR18985

original commit: b82700ae41
2020-12-18 13:01:48 +01:00
parent 9b4adc9acb
commit c2bc171ef6
3 changed files with 15 additions and 4 deletions
@@ -127,6 +127,13 @@ Building OpenCV.js from Source
    python ./platforms/js/build_js.py build_js --build_test
    @endcode

+-#  [optional] To enable OpenCV contrib modules append `--cmake_option="-DOPENCV_EXTRA_MODULES_PATH=/path/to/opencv_contrib/modules/"`
+
+    For example:
+    @code{.bash}
+    python ./platforms/js/build_js.py build_js --cmake_option="-DOPENCV_EXTRA_MODULES_PATH=opencv_contrib/modules"
+    @endcode
+
 Running OpenCV.js Tests
 ---------------------------------------