Function jsAppendFileRaw

src/platforms/wasm/compiler/index.ts:391–399

* Appends raw file data to WASM module file system * @param {Object} moduleInstance - The WASM module instance * @param {number} path_cstr - C string pointer to file path * @param {number} data_cbytes - C bytes pointer to file data * @param {number} len_int - Length of data in bytes

(moduleInstance, path_cstr, data_cbytes, len_int)

 * @param {number} len_int - Length of data in bytes
 */
function jsAppendFileRaw(moduleInstance, path_cstr, data_cbytes, len_int) {
  // Stream this chunk
  moduleInstance.ccall(
    'jsAppendFile',
    'number', // return value
    ['number', 'number', 'number'], // argument types, not sure why numbers works.
    [path_cstr, data_cbytes, len_int],
  );
}

/**
 * Appends Uint8Array file data to WASM module file system