Must a sourcemap have a .map extension?

问题

If I create a source map, must I give it a .map extension, or could I call it .foo, as long as it has the correct headers?

If someone could point to documentation on this, I would be most thankful!

回答1:

It can have any extension. In the compressed/minified/original file you put a sourceMappingUrl comment or SourceMap http header that tells the interpreter where to find the source map.

There's no true formal spec for source maps but this is the informal one: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit

来源：https://stackoverflow.com/questions/23549699/must-a-sourcemap-have-a-map-extension