Warning: Reason support is experimental.
We are looking for beta-tester and contributors.
Main Command-Line options
| Option name | Description |
|---|
| –version | Display the version of the compiler |
| -o <file> | Set the output filename to <file> |
| –source-map | Generate sourcemap |
| –opt {1,2,3} | Set the compilation profile
(default 1). See Optimization
section below. |
| –pretty | Pretty print javascript output |
| –no-inline | Disable code inlining |
| –debug-info | Output debug information |
| -I dir | Add <dir> to the list of
include directories |
| –file file[:dir] | Register <file> to the pseudo filesystem
and choose the the destination
directory <dir> (default /) |
| –enable <option> | Enable option <option> |
| –disable <option> | Disable option <option> |
Optimizations
- For Debugging: "–pretty –no-inline –debug-info" + eventually "–disable staticeval –disable share"
- For Production: "–opt 3". It minimize the generated javascript by applying
various optimizations until a fix-point is reached
List of option to "–disable" or "–enable"
| Option name | Default | Description |
|---|
| pretty | false | Pretty print the javascript output |
| debuginfo | false | Output debug information (location) |
| deadcode | true | Deadcode elimination |
| inline | true | Code inlining |
| shortvar | true | Shorten variable names |
| staticeval | true | Static evaluation of constants |
| share | true | Share string and number constants |
| strict | true | Enable strict mode |
| debugger | true | Keep debugger statements.
Stripped otherwise |
| genprim | true | Generate dummy primitives when missing |
| excwrap | true | Wrap js exception into ocaml ones |
| optcall | true | Javascript optimizations |
