/**

* @license

* Copyright 2019 The Emscripten Authors

* SPDX-License-Identifier: MIT

*/

read_ = (filename, binary) => {

// We need to re-wrap `file://` strings to URLs. Normalizing isn't

// necessary in that case, the path should already be absolute.

filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);

return fs.readFileSync(filename, binary ? undefined : 'utf8');

};

readBinary = (filename) => {

var ret = read_(filename, true);

if (!ret.buffer) {

ret = new Uint8Array(ret);

}

#if ASSERTIONS

assert(ret.buffer);

#endif

return ret;

};

readAsync = (filename, onload, onerror, binary = true) => {

// See the comment in the `read_` function.

filename = isFileURI(filename) ? new URL(filename) : nodePath.normalize(filename);

fs.readFile(filename, binary ? undefined : 'utf8', (err, data) => {

if (err) onerror(err);

else onload(binary ? data.buffer : data);

});

};