JSHint

Mapael uses JSHint to help maintain a proper code and catch early some small bugs.

Rules are found in .jshintrc file.

Rules justification

More explanation on options can be found here: http://jshint.com/docs/options

Environment

• esversion: 3 Legacy ECMAScript version (IE9 and below)
• jquery: true use jQuery
• browser: true use browser env

Code quality

• devel: true allow console

• undef: true prohibits the use of explicitly undeclared variables

• unused: true Warns about declared variable not used

• nonbsp: true Warns about non-breaking whitespace characters

• latedef: true Require variables/functions to be defined before being used

• noarg: true Prohibit use of arguments.caller and arguments.callee

• eqeqeq: true enforce strict equality (=== and !==)

• forin: true requires all for in loops to filter object's items

• freeze : true prohibits overwriting prototypes of native objects

• nocomma : true prohibits the use of the comma operator

• nonew : true prohibits the use of constructor functions for side-effects

Globals defined (to avoid undefined error message)

• define: true for AMD
• require: true for CommonJS
• module: true for CommonJS
• exports: true for CommonJS
• Raphael: true for Raphael.js