Implement prefix API #4
Description
This will just be a convenience method over the top-level API that takes a string to prefix to each parsed sourceMappingURL. If the sourceMappingURL is a data uri, it shouldn't be prefixed.
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This will just be a convenience method over the top-level API that takes a string to prefix to each parsed sourceMappingURL. If the sourceMappingURL is a data uri, it shouldn't be prefixed.