52 lines
2.5 KiB
JavaScript
52 lines
2.5 KiB
JavaScript
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/*
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* Configuration values for eslint
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*/
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module.exports = {
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env: {
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node: true,
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es6: true,
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},
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// Each rule has an error level (0-2), and some have extra parameters
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// 0 turns a rule off
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// 1 makes a rule give a warning
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// 2 makes a rule fail linting
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rules: {
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'linebreak-style': [2, 'unix'], // Only unix line endings
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'arrow-parens': [2, 'always'], // No parens on arrow functions with one param
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'no-console': [1], // Avoid using console methods
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'no-constant-condition': [1],
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'no-extra-semi': [1], // Enliminate extra semicolons
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'no-func-assign': [1],
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'no-obj-calls': [2],
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'no-unexpected-multiline': [2], // Catch syntax errors due to automatic semicolon insertion
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'no-unneeded-ternary': [2], // Avoid redundant ternary expressions
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radix: [2], // Require radix parameter on parseInt
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'no-with': [2], // No use of with construct
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'no-eval': [2], // No use of eval
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'no-unreachable': [1], // Avoid code that is not reachable
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'no-irregular-whitespace': [1], // Highlight whitespace that isn't a tab or space
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'no-new-wrappers': [2], // Avoid using primitive constructors
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'no-new-func': [2], // Avoid Function constructor eval
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curly: [2, 'multi-line'], // Require braces for if,for,while,do contructs that are not on the same line
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'no-implied-eval': [2], // Avoid camoflauged eval
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'no-invalid-this': [2],
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'constructor-super': [2],
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'no-dupe-args': [2], // Disallow functions to have more than one parameter with the same name
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'no-dupe-keys': [2], // Disaalow objects to have more than one property with the same name
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'no-dupe-class-members': [2], // Disallow classes to have more than one method/memeber with the same name
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'no-this-before-super': [2],
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'prefer-arrow-callback': [1], // Prefer arrow functions for callbacks
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'no-var': [2], // Use let or const instead of var
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'valid-jsdoc': [1],
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semi: [2, 'always'], // Require use of semicolons
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strict: [2, 'global'], // have a global 'use strict' in every code file
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'callback-return': [1], // return when invoking a callback
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'object-shorthand': [1, 'methods'], // Prefer shorthand for functions in object literals/classes, but avoid property shorthand
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'prefer-template': [1], // Prefer template strings eg. `Hello ${name}`, to string concatenation
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'no-case-declarations': [2], // Don't define variables in switch labels
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'no-const-assign': [2], // Highlight instances where assigning to const declaration
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'no-new-symbol': [2], // Symbol is not a constructor, don't use the new keyword
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'no-unused-labels': [2], // Error on labels in code that aren't used
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},
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};
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