Aborted('HEAPU8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ)) localfiles.js:534:6
Uncaught RuntimeError: Aborted('HEAPU8' was not exported. add it to EXPORTED_RUNTIME_METHODS (see the Emscripten FAQ))
    abort http://localhost:6931/localfiles.js:548
    get http://localhost:6931/localfiles.js:382
    __emval_get_module_property http://localhost:6931/localfiles.js:6078
    invoke_vi http://localhost:6931/localfiles.js:11952
    invoke_iiii http://localhost:6931/localfiles.js:11974
    invoke_viii http://localhost:6931/localfiles.js:12007
    invoke_viiiii http://localhost:6931/localfiles.js:12040
localfiles.js:548:41
user callback triggered after runtime exited or application aborted.  Ignoring. localfiles.js:6395:8