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WebAssembly/WASM Wrapper/Library

Build

  1. Install Emscripten if not done already.
  2. In an empty build folder, invoke emcmake cmake <path to zxing-cpp.git/wrappers/wasm>.
  3. Invoke cmake --build . to create zxing.js and zxing.wasm (and _reader/_writer versions).
  4. To see how to include these into a working HTML page, have a look at the reader and writer demos.
  5. To quickly test your build, copy those demo files into your build directory and run e.g. emrun --serve_after_close demo_reader.html.

You can also download the latest build output from the continuous integration system from the Actions tab. Look for 'wasm-artifacts'. Also check out the live demos.