Fixmyjs NPM | npm.io

fixmyjs

Meant to automatically fix your JavaScript errors in a non-destructive way.

npm install fixmyjs -g

fixmyjs your_file.js

var fixmyjs = require('fixmyjs')
var stringFixedCode = fixmyjs.fix(stringOfCode, objectOfOptions)

When the options are set to true they are enabled. To get a breakdown of what is enabled by default check out package.json

camelcase - Converts all identifiers to camelCase
curly - Adds curly braces to all statements that don't have them
curlyfor - Adds curly braces only to for statements
curlyif - Adds curly braces only to if/if-else statements
curlywhile - Adds curly braces only to while statements
debug - Removes debugger statements
decimals - Adds a leading 0 for decimals or removes trailing zero if decimal is whole
delete - Removes deletion of variables
emptyStatement - Removes empty statements
eqeqeq - Enforce strict equality
es3 - Enforces parseIntRadix as well as no-comma-dangle
hoist - Hoists all your vars to the top of the function
initUndefined - Rewrites variable initializations to undefined
invalidConstructor - Does not allow you to initialize built-in primitive constructors
invokeConstructors - Adds () to any new expressions
isNan - Replaces equality to NaN with isNaN
multivar - Replace single var with multi line var
no-comma-dangle - Removes trailing commas
nonew - Removes new when using it for side effects
onevar - Make multi var into one var
parseIntRadix - Adds a radix parameter to parseInt
plusplus - Converts ++ and -- to += 1 || -= 1
rmdelete - Removes the deletion of variables
rmempty - Removes empty statements
snakecase - Convert all identifiers to snake_case
sub - Dot notation conversion
useLiteral - Rewrites your primitives to use their literal form

Legacy mode has been removed.
You now put your config inside package.json. You can check out an example in this project.
All rules have been made truthy because having some rules be truthy and others falsy is weird.
Option es3 now enables no-comma-dangle as well as new option parseIntRadix.