chore: work with esnext 3.0.0's lack of sourcemap
chore: work with esnext 3.0.0's lack of sourcemap

alangpierce/decaffeinate,eventualbuddha/decaffeinate,eventualbuddha/decaffeinate,alangpierce/decaffeinate,decaffeinate/decaffeinate,decaffeinate/decaffeinate,alangpierce/decaffeinate