JSHintBear.rst

JSHintBear

Detect errors and potential problems in JavaScript code and to enforce appropriate coding conventions. For example, problems like syntax errors, bugs due to implicit type conversion, leaking variables and much more can be detected.

For more information on the analysis visit <http://jshint.com/>

Supported Languages

• JavaScript

Settings

Setting	Meaning
allow_argument_caller_and_callee	This option allows the use of arguments.caller and arguments.callee. (Optional, defaults to 'False'.)
allow_assignment_comparisions	This option suppresses warnings about the use of assignments in cases where comparisons are expected. (Optional, defaults to 'False'.)
allow_bitwise_operators	Allows the use of bitwise operators. (Optional, defaults to 'False'.)
allow_comma_operator	This option allows the use of the comma operator. (Optional, defaults to 'True'.)
allow_constructor_functions	Allows the use of constructor functions. (Optional, defaults to 'True'.)
allow_debugger	This option suppresses warnings about the debugger statements. (Optional, defaults to 'False'.)
allow_eqnull	This option suppresses warnings about == null comparisons. (Optional, defaults to 'False'.)
allow_eval	This options suppresses warnings about the use of eval function. (Optional, defaults to 'False'.)
allow_expr_in_assignments	This option suppresses warnings about the use of expressions where normally assignments or function calls are expected. (Optional, defaults to 'False'.)
allow_filter_in_forin	This option requires all for in loops to filter object's items. (Optional, defaults to 'True'.)
allow_func_in_loop	This option suppresses warnings about functions inside of loops. (Optional, defaults to 'False'.)
allow_funcscope	This option suppresses warnings about declaring variables inside of control structures while accessing them later from outside. (Optional, defaults to 'False'.)
allow_future_identifiers	This option allows the use of identifiers which are defined in future versions of JavaScript. (Optional, defaults to 'True'.)
allow_grouping_operator	This option allows the use of the grouping operator when it is not strictly required. (Optional, defaults to 'True'.)
allow_increment	This option suppresses warnings about the use of unary increment and decrement operators. (Optional, defaults to 'False'.)
allow_iterator_property	This option suppresses warnings about the __iterator__ property. (Optional, defaults to 'True'.)
allow_last_semicolon	This option suppresses warnings about missing semicolons for the last statement. (Optional, defaults to 'False'.)
allow_latedef	This option allows the use of a variable before it was defined. Setting this option to "nofunc" will allow function declarations to be ignored. (Optional, defaults to 'False'.)
allow_missing_semicolon	This option suppresses warnings about missing semicolons. (Optional, defaults to 'False'.)
allow_non_breaking_whitespace	Allows "non-breaking whitespace characters". (Optional, defaults to 'False'.)
allow_noyield	This option suppresses warnings about generator functions with no yield statement in them. (Optional, defaults to 'False'.)
allow_proto	This option suppresses warnings about the __proto__ property. (Optional, defaults to 'False'.)
allow_prototype_overwrite	This options allows overwriting prototypes of native objects such as Array. (Optional, defaults to 'False'.)
allow_scripturls	This option suppresses warnings about the use of script-targeted URLs. (Optional, defaults to 'False'.)
allow_singleton	This option suppresses warnings about constructions like new function () { ... } and new Object; sometimes used to produce singletons. (Optional, defaults to 'False'.)
allow_this_statements	This option suppresses warnings about possible strict violations when the code is running in strict mode and this is used in a non-constructor function. (Optional, defaults to 'False'.)
allow_type_coercion	This options allows the use of == and !=. (Optional, defaults to 'False'.)
allow_typeof	This option enables warnings about invalid typeof operator values. (Optional, defaults to 'True'.)
allow_unused_variables	Allows when variables are defined but never used. This can be set to ""vars"" to only check for variables, not function parameters, or ""strict"" to check all variables and parameters. (Optional, defaults to 'False'.)
allow_var_statement	Allows the use of the var statement while declaring a variable. Should use let or const while it is set to False. (Optional, defaults to 'True'.)
allow_variable_shadowing	This option suppresses warnings about variable shadowing i.e. declaring a variable that had been already declared somewhere in the outer scope. - "inner" - check for variables defined in the same scope only - "outer" - check for variables defined in outer scopes as well - False - same as inner - True - allow variable shadowing (Optional, defaults to 'False'.)
allow_with_statements	This option suppresses warnings about the use of the with statement. (Optional, defaults to 'False'.)
cyclomatic_complexity	Maximum cyclomatic complexity in the code. (Optional, defaults to 'False'.)
environment_browser	This option defines globals exposed by modern browsers. (Optional, defaults to 'True'.)
environment_browserify	This option defines globals available when using the Browserify. (Optional, defaults to 'False'.)
environment_couch	This option defines globals exposed by CouchDB. (Optional, defaults to 'False'.)
environment_devel	This option defines globals that are usually used for debugging: console, alert, etc. (Optional, defaults to 'True'.)
environment_dojo	This option defines globals exposed by the Dojo Toolkit. (Optional, defaults to 'False'.)
environment_jasmine	This option defines globals exposed by Jasmine. (Optional, defaults to 'False'.)
environment_jquery	This option defines globals exposed by Jquery. (Optional, defaults to 'False'.)
environment_mocha	This option defines globals exposed by the "BDD" and "TDD" UIs of the Mocha unit testing framework. (Optional, defaults to 'True'.)
environment_module	This option informs JSHintBear that the input code describes an ECMAScript 6 module. (Optional, defaults to 'False'.)
environment_mootools	This option defines globals exposed by the Mootools. (Optional, defaults to 'False'.)
environment_node	This option defines globals exposed by Node. (Optional, defaults to 'False'.)
environment_nonstandard	This option defines non- standard but widely adopted globals such as escape and unescape. (Optional, defaults to 'False'.)
environment_phantom	This option defines globals available when your core is running inside of the PhantomJS runtime environment. (Optional, defaults to 'False'.)
environment_prototypejs	This option defines globals exposed by the Prototype. (Optional, defaults to 'False'.)
environment_qunit	This option defines globals exposed by Qunit. (Optional, defaults to 'False'.)
environment_rhino	This option defines globals exposed when the code is running inside rhino runtime environment. (Optional, defaults to 'False'.)
environment_shelljs	This option defines globals exposed by the ShellJS. (Optional, defaults to 'False'.)
environment_typed	This option defines globals for typed array constructors. (Optional, defaults to 'False'.)
environment_worker	This option defines globals available when the code is running inside of a Web Worker. (Optional, defaults to 'False'.)
environment_wsh	This option defines globals available when the code is running as a script for the Windows Script Host. (Optional, defaults to 'False'.)
environment_yui	This option defines globals exposed by the YUI JavaScript Framework. (Optional, defaults to 'False'.)
es_version	This option is used to specify the ECMAScript version to which the code must adhere to. (Optional, defaults to '5'.)
force_braces	This option requires you to always put curly braces around blocks in loops and conditionals. (Optional, defaults to 'True'.)
javascript_strictness	Determines what sort of strictness to use in the JavaScript code. The possible options are: - "global" - there must be a "use strict"; at global level - "implied" - lint the code as if there is a "use strict"; - "False" - disable warnings about strict mode - "True" - there must be a "use strict"; at function level (Optional, defaults to 'True'.)
jshint_config	The location of the jshintrc config file. If this option is present all the above options are not used. Instead the .jshintrc file is used as the configuration file. (Optional, defaults to ''.)
max_depth	This option lets you control how nested do you want your blocks to be. (Optional, defaults to 'False'.)
max_parameters	Maximum number of parameters allowed per function. (Optional, defaults to 'False'.)
max_statements	Maximum number of statements allowed per function. (Optional, defaults to 'False'.)
use_es3_array	This option tells JSHintBear ES3 array elision elements, or empty elements are used. (Optional, defaults to 'False'.)
use_mozilla_extension	This options tells JSHint that your code uses Mozilla JavaScript extensions. (Optional, defaults to 'False'.)

Dependencies

• npm - jshint

Can Detect

• Complexity
• Formatting
• Syntax
• Unused Code

License

AGPL-3.0

Authors

• The coala developers ([email protected])