detect MingW environment in c2js

CHANGELOG.md

@@ -8,7 +8,7 @@ Bugfixes:
 
 * Daisy: add ScopedIrqBlocker to several functions. Should fix midi input issues and potentially others.
 * Daisy: use FIFO to buffer midi TX messages and call them in the main loop instead of during process()
-
+* JS: Ignore windows batch if inside of MingW environment
 
 0.13.2
 -----

hvcc/generators/c2js/c2js.py

@@ -80,7 +80,8 @@ def run_emscripten(
         """Run the emcc command to compile C source files to a javascript library.
         """
 
-        if os.name == 'nt':
+        # Detect Windows OS, but ignore if running in MingW
+        if os.name == 'nt' and os.environ.get('MSYSTEM') is None:
             emcc_path = which("emcc.bat")
         else:
             emcc_path = which("emcc")

tox.ini

@@ -37,8 +37,8 @@ commands =
 [run]
 ignore = examples/*
 cov-report = html,term
-omit = .tox/*,venv/*,tests/*,examples/*,setup.py
+omit = .tox/*,.venv/*,venv/*,tests/*,examples/*,setup.py
 
 [flake8]
 max-line-length = 120
-exclude = .tox,venv,build,examples
+exclude = .tox,.venv,venv,build,examples