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$ echo 'prerr_endline "a"' > a.ml
$ echo 'prerr_endline "b"' > b.ml
$ ocamlc -g a.ml -c
$ ocamlc -g b.ml -c
$ ocamlc -g a.cmo b.cmo -o test.bc
Build object files and executable with --empty-sourcemap:
$ dune exec -- js_of_ocaml --sourcemap --empty-sourcemap a.cmo -o a.js
$ cat a.map
{"version":3,"file":"a.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}
$ dune exec -- js_of_ocaml --sourcemap --empty-sourcemap b.cmo -o b.js
$ cat b.map
{"version":3,"file":"b.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}
$ dune exec -- js_of_ocaml --sourcemap --empty-sourcemap test.bc -o test.js
$ cat test.map
{"version":3,"file":"test.js","sources":[],"sourcesContent":[],"names":[],"mappings":""}
Build object files with sourcemap and link with --empty-sourcemap:
$ dune exec -- js_of_ocaml --sourcemap a.cmo -o a.js
$ dune exec -- js_of_ocaml --sourcemap b.cmo -o b.js
$ dune exec -- js_of_ocaml link --sourcemap --resolve-sourcemap-url=true --empty-sourcemap a.js b.js -o test.js -a
$ cat test.map
{"version":3,"file":"test.js","sections":[]}
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