A source map is just a JSON file. Although some of the fields include encoded data, it should be mostly readable if you open a .map file in your favorite IDE. As an example, in out.js.map, you'll probably see something like this:
Brand voice maintenance，更多细节参见wps
# Optional: Install playwright dependencies if running e2e tests，详情可参考谷歌
Следователи раскрыли детали произошедшей с детьми в Звенигороде трагедии20:49
Sewage spills into a Hampshire river could threaten the future of Atlantic salmon, an MP has warned.