npm install -g jsfmt
# Format `source.js` and print the results to stdout. jsfmt source.js # Format `source.js` and write the results to disk. jsfmt -w=true source.js # View a diff of all formatting changes in `source.js` without writing them. jsfmt -d=true source.js # List all files that need formatting in the `src/` directory. # Directories are recursively traversed. jsfmt -l=true -w=false src/
# Find all instances of _.reduce() in `source.js`. # Single letter identifiers act as wildcards, and whitespace is ignored. jsfmt --search="_.reduce(a, b, c)" source.js # Find all calls to console.log() in your project's `src/` directory. jsfmt --search="console.log(s)" src/
# Replace underscore.js's reduce with the native reduce method in `source.js`. jsfmt --rewrite="_.reduce(a, b, c) -> a.reduce(b, c)" source.js # Do it again, but this time save the changes to disk. jsfmt --write=true --rewrite="_.reduce(a, b, c) -> a.reduce(b, c)" source.js # Replace modulo with an expression that always returns a positive number, and run the results. jsfmt --rewrite="x % y -> ((x % y) + y) % y" source.js | node
Built on esprima and esformatter for smart code parsing and formatting. Jsfmt works on your code's AST, not just on its text.
require jsfmt from any node app. Every feature available through the command line is also
available through its module. Check our docs for more information.
Jsfmt is currently in development, and is constantly changing and improving. Follow along on Github, and feel free to report bugs or request features here.