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style(jshint): add jshint config and setup grunt task
This commit is contained in:
Javi Sánchez-Marín
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.jshintrc
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.jshintrc
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{
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// http://www.jshint.com/docs/
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// Based on node-jshint@2.x.x
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// ENFORCING OPTIONS
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// These options tell JSHint to be more strict towards your code. Use them if
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// you want to allow only a safe subset of JavaScript—very useful when your
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// codebase is shared with a big number of developers with different skill
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// levels.
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"bitwise": true, //prohibits the use of bitwise operators such as ^ (XOR), | (OR) and others
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"camelcase": false, //force all variable names to use either camelCase style or UPPER_CASE with underscores
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"curly": true, //requires you to always put curly braces around blocks in loops and conditionals
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"eqeqeq": true, //prohibits the use of == and != in favor of === and !==
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"es3": false, //tells JSHint that your code needs to adhere to ECMAScript 3 specification
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"forin": true, //requires all `for in` loops to filter object's items with `hasOwnProperty()`
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"immed": true, //prohibits the use of immediate function invocations without wrapping them in parentheses
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"indent": 2, //enforces specific tab width
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"latedef": true, //prohibits the use of a variable before it was defined
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"newcap": true, //requires you to capitalize names of constructor functions
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"noarg": true, //prohibits the use of `arguments.caller` and `arguments.callee`
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"noempty": true, //warns when you have an empty block in your code
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"nonew": true, //prohibits the use of constructor functions for side-effects
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"plusplus": false, //prohibits the use of unary increment and decrement operators
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"quotmark": true, //enforces the consistency of quotation marks used throughout your code
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"undef": true, //prohibits the use of explicitly undeclared variables
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"unused": "vars", //warns when you define and never use your variables
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"strict": true, //requires all functions to run in ECMAScript 5's strict mode
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"trailing": true, //makes it an error to leave a trailing whitespace in your code
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"maxparams": false, //set the max number of formal parameters allowed per function
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"maxdepth": 3, //control how nested do you want your blocks to be
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"maxstatements": false, //set the max number of statements allowed per function
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"maxcomplexity": false, //control cyclomatic complexity throughout your code
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"maxlen": 99, //set the maximum length of a line
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// RELAXING OPTIONS
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// These options allow you to suppress certain types of warnings. Use them
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// only if you are absolutely positive that you know what you are doing.
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"asi": false, //suppresses warnings about missing semicolons
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"boss": false, //suppresses warnings about the use of assignments in cases where comparisons are expected
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"debug": false, //suppresses warnings about the debugger statements in your code
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"eqnull": false, //suppresses warnings about == null comparisons
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"esnext": false, //your code uses ES.next specific features such as const
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"evil": false, //suppresses warnings about the use of eval
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"expr": true, //suppresses warnings about the use of expressions where normally you would expect to see assignments or function calls
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"funcscope": false, //suppresses warnings about declaring variables inside of control structures while accessing them later from the outside
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"globalstrict": false, //suppresses warnings about the use of global strict mode
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"iterator": false, //suppresses warnings about the `__iterator__` property
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"lastsemic": false, //suppresses warnings about missing semicolons, but only when the semicolon is omitted for the last statement in a one-line block
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"laxbreak": false, //suppresses most of the warnings about possibly unsafe line breakings in your code
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"laxcomma": false, //suppresses warnings about comma-first coding style
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"loopfunc": false, //suppresses warnings about functions inside of loops
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"moz": false, //tells JSHint that your code uses Mozilla JavaScript extensions
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"multistr": false, //suppresses warnings about multi-line strings
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"proto": false, //suppresses warnings about the `__proto__` property
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"scripturl": false, //suppresses warnings about the use of script-targeted URLs—such as `javascript:...`
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"smarttabs": false, //suppresses warnings about mixed tabs and spaces when the latter are used for alignmnent only
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"shadow": false, //suppresses warnings about variable shadowing
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"sub": false, //suppresses warnings about using `[]` notation when it can be expressed in dot notation
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"supernew": false, //suppresses warnings about "weird" constructions like `new function () { ... }` and `new Object;`
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"validthis": false, //suppresses warnings about possible strict violations when the code is running in strict mode and you use `this` in a non-constructor function
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// ENVIRONMENTS
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// These options pre-define global variables that are exposed by popular
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// JavaScript libraries and runtime environments—such as browser or node.js.
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// Essentially they are shortcuts for explicit declarations like
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// /*global $:false, jQuery:false */
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"browser": true, //defines globals exposed by modern browsers
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"couch": false, //defines globals exposed by CouchDB
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"devel": true, //defines globals that are usually used for logging poor-man's debugging: `console`, `alert`, etc.
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"dojo": false, //defines globals exposed by the Dojo Toolkit
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"jquery": true, //defines globals exposed by the jQuery JavaScript library
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"mootools": false, //defines globals exposed by the MooTools JavaScript framework
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"node": true, //defines globals available when your code is running inside of the Node runtime environment
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"nonstandard": false, //defines non-standard but widely adopted globals such as `escape` and `unescape`
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"phantom": false, //defines globals available when your core is running inside of the PhantomJS runtime environment
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"prototypejs": false, //defines globals exposed by the Prototype JavaScript framework
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"rhino": false, //defines globals available when your code is running inside of the Rhino runtime environment
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"worker": true, //defines globals available when your code is running inside of a Web Worker
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"wsh": false, //defines globals available when your code is running as a script for the Windows Script Host
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"yui": false, //defines globals exposed by the YUI JavaScript framework
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"globals": {
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"define": false,
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"throttle": false,
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"delay": false,
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"debounce": false
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},
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// LEGACY
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// These options are legacy from JSLint. Aside from bug fixes they will not
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// be improved in any way and might be removed at any point.
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"nomen": false, //disallows the use of dangling `_` in variables
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"onevar": false, //allows only one `var` statement per function
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"passfail": false, //makes JSHint stop on the first error or warning
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"white": false //make JSHint check your source code against Douglas Crockford's JavaScript coding style
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}
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