simple semi es6 to coffee2

convert_js.coffee

fs =require 'fs'
path =require 'path'
coffeelint =require 'coffeelint'
debug =console .log
file =process .argv[ 2 ]
content =fs .readFileSync file, 'utf8'
# $$	Inserts a "$".
# $&	Inserts the matched substring.
# $`	Inserts the portion of the string that precedes the matched substring.
# $'	Inserts the portion of the string that follows the matched substring.
# $n	Where n is a positive integer less than 100, 
#   inserts the nth parenthesized submatch string, provided the 
#   first argument was a RegExp object. Note that this is 1-indexed.
class Replacing
	constructor: ( @target, @search, @value )->
		@re =new RegExp @search .source, 'gm'
		@result =@target .replace @re, @value
replaces =[ 
	[ /this\s*\./, '@' ],
	[ /\bthis\b/, '@' ],
	[ /\s*{(\s*[^}])/, '$1' ],
	[ /([^{])\s*}\w*/, '$1' ],
	[ /;/, '' ],
	[ /\blet\b\s*/, '' ],
	[ /\bconst\b\s*/, '' ],
	[ /\bvar\b\s*/, '' ]
	[ /\bof\b/, 'in' ],
	[ /===/, '==' ],
	[ /\bof\b/, 'in' ],
	[ /\bif\b\s*\(\s*([^\(\)]*)\s*\)\s*\n/, 'if $1\n' ],
	[ /\bfunction\b\s*(\([\w\s\,\=\'\"\/\:]*\))/, '$1 ->' ],
	[ /(\n\s*for)\s*\(([^\(\)]*)\)\s*\n/, '$1$2\n' ],
	[ /(\n\s*\w+)\s*(\([\w\s\,\=\'\"]*\))\s*\n/, '$1: $2->\n' ],
	[ /(\w+)\s*\(\s*([^\(\)]*\w+[^\(\)]*)\s*\)\s*\n/, '$1 $2\n' ]
	]
res =content
for r in replaces
	r =new Replacing res, r[ 0 ], r[ 1 ]
	res =r .result

ext =path .extname file
base =path .basename file, ext

ignore =level: 'ignore'
lints =coffeelint .lint res,
	no_tabs: ignore
	no_trailing_whitespace: ignore
	indentation: ignore
error =false
for lint in lints
	if lint .level =='error'
		error =true
if error
	debug lints

#else
fs .writeFileSync base + '.coffee', res, 'utf8'

#debug res