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Update ESLint configuration #32343

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Update ESLint configuration #32343

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107f4b2
Update ESLint configuration
fredden Mar 2, 2021
52e3a4d
Merge branch '2.4-develop' into eslint
fredden Mar 18, 2021
8f52cde
Merge branch '2.4-develop' into eslint
fredden Aug 4, 2021
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104 changes: 103 additions & 1 deletion dev/tests/static/testsuite/Magento/Test/Js/_files/eslint/.eslintrc-magento
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Original file line number Diff line number Diff line change
Expand Up @@ -2,14 +2,32 @@
"env": {
"amd": true,
"browser": true,
"es6": true,
"jasmine": true,
"jquery": true,
"prototypejs": true,
"node": true
},
"rules": {
"array-bracket-spacing": [2, "never"],
"arrow-spacing": [2, {"after": true, "before": true}],
"block-spacing": [2, "always"],
"brace-style": [2, "1tbs", {"allowSingleLine": true}],
"comma-spacing": [2, {"after": true, "before": false}],
"comma-style": [2, "last"],
"constructor-super": 2,
"curly": [2, "multi-line"],
"dot-location": [2, "property"],
"dot-notation": [2, {"allowKeywords": true}],
"eol-last": 2,
"eqeqeq": [2, "smart"],
"func-call-spacing": [2, "never"],
"generator-star-spacing": [2, {"after": true, "before": true}],
"guard-for-in": 2,
"indent": [2, 4],
"key-spacing": [2, {"afterColon": true, "beforeColon": false}],
"keyword-spacing": [2, {"after": true, "before": true}],
"linebreak-style": [2, "unix"],
"lines-around-comment": [
2,
{
Expand All @@ -18,18 +36,36 @@
"allowObjectStart": true
}
],
"lines-between-class-members": [2, "always", {"exceptAfterSingleLine": true}],
"max-depth": [2, 2],
"max-len": [2, 120, 4],
"max-nested-callbacks": [2, 3],
"multiline-ternary": [2, "always-multiline"],
"new-cap": [2, {"capIsNew": false, "newIsCap": true, "properties": true}],
"new-parens": 2,
"newline-after-var": 2,
"no-alert": 2,
"no-array-constructor": 2,
"no-caller": 2,
"no-case-declarations": 2,
"no-catch-shadow": 2,
"no-class-assign": 2,
"no-compare-neg-zero": 2,
"no-cond-assign": 2,
"no-console": 2,
"no-const-assign": 2,
"no-constant-condition": 2,
"no-control-regex": 2,
"no-debugger": 2,
"no-delete-var": 2,
"no-dupe-args": 2,
"no-dupe-class-members": 2,
"no-dupe-keys": 2,
"no-duplicate-case": 2,
"no-else-return": 2,
"no-empty-character-class": 2,
"no-empty-pattern": 2,
"no-empty": [2, {"allowEmptyCatch": true}],
"no-eval": 2,
"no-ex-assign": 2,
"no-extend-native": 2,
Expand All @@ -40,25 +76,57 @@
"no-fallthrough": 2,
"no-floating-decimal": 2,
"no-func-assign": 2,
"no-global-assign": 2,
"no-implied-eval": 2,
"no-inner-declarations": 2,
"no-invalid-regexp": 2,
"no-irregular-whitespace": 2,
"no-iterator": 2,
"no-labels": [2, {"allowLoop": false, "allowSwitch": false}],
"no-lone-blocks": 2,
"no-lonely-if": 2,
"no-loop-func": 2,
"no-mixed-operators": [2, {"allowSamePrecedence": true, "groups": [["==", "!=", "===", "!==", ">", ">=", "<", "<="], ["&&", "||"], ["in", "instanceof"]]}],
"no-mixed-spaces-and-tabs": 2,
"no-multi-spaces": 2,
"no-multi-str": 2,
"no-multiple-empty-lines": [2, {"max": 1, "maxEOF": 0}],
"no-native-reassign": 2,
"no-negated-in-lhs": 2,
"no-new-func": 2,
"no-new-object": 2,
"no-new-symbol": 2,
"no-new-wrappers": 2,
"no-new": 2,
"no-obj-calls": 2,
"no-octal-escape": 2,
"no-octal": 2,
"no-proto": 2,
"no-prototype-builtins": 2,
"no-redeclare": 2,
"no-regex-spaces": 2,
"no-return-assign": 2,
"no-self-assign": [2, {"props": true}],
"no-self-compare": 2,
"no-sequences": 2,
"no-shadow": 2,
"no-shadow-restricted-names": 2,
"no-sparse-arrays": 2,
"no-tabs": 2,
"no-template-curly-in-string": 2,
"no-this-before-super": 2,
"no-throw-literal": 2,
"no-trailing-spaces": 2,
"no-undef": 2,
"no-undef-init": 2,
"no-unexpected-multiline": 2,
"no-unmodified-loop-condition": 2,
"no-unneeded-ternary": [2, {"defaultAssignment": false}],
"no-unreachable": 2,
"no-unsafe-finally": 2,
"no-unsafe-negation": 2,
"no-unused-expressions": [2, {"allowShortCircuit": true, "allowTaggedTemplates": true, "allowTernary": true}],
"no-unused-labels": 2,
"no-unused-vars": [
2,
{
Expand All @@ -68,14 +136,48 @@
}
],
"no-use-before-define": 2,
"no-useless-call": 2,
"no-useless-computed-key": 2,
"no-useless-constructor": 2,
"no-useless-escape": 2,
"no-useless-rename": 2,
"no-useless-return": 2,
"no-var": 2,
"no-void": 2,
"no-whitespace-before-property": 2,
"no-with": 2,
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no-var may cause some errors since i see lot of js code still use var ?

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https://eslint.org/docs/rules/no-var

The idea here is to configure ESLint to encourage use of modern JavaScript. Yes, var still works but let and const are preferred.

"object-curly-newline": [2, {"consistent": true, "multiline": true}],
"object-curly-spacing": [2, "always"],
"object-property-newline": [2, {"allowMultiplePropertiesPerLine": true}],
"one-var": [2, {"initialized": "never"}],
"operator-assignment": [2, "always"],
"operator-linebreak": [2, "after", {"overrides": {":": "before", "?": "before", "|>": "before"}}],
"padded-blocks": [2, {"blocks": "never", "classes": "never", "switches": "never"}],
"prefer-const": [2, {"destructuring": "all"}],
"prefer-promise-reject-errors": 2,
"quote-props": [2, "as-needed"],
"quotes": [2, "single", {"avoidEscape": true}],
"radix": 2,
"require-yield": 2,
"rest-spread-spacing": [2, "never"],
"semi": [2, "always"],
"semi-spacing": 2,
"space-before-blocks": [2, "always"],
"space-before-function-paren": [2, "always"],
"space-in-parens": [2, "never"],
"space-infix-ops": 2,
"space-unary-ops": [2, {"nonwords": false, "words": true}],
"spaced-comment": [2, "always", {"block": {"balanced": true, "exceptions": ["*"], "markers": ["*package", "!", ",", ":", "::", "flow-include"]}, "line": {"markers": ["*package", "!", "/", ",", "="]}}],
"strict": ["error", "function"],
"symbol-description": 2,
"template-curly-spacing": [2, "never"],
"template-tag-spacing": [2, "never"],
"unicode-bom": [2, "never"],
"use-isnan": 2,
"valid-typeof": 2,
"vars-on-top": 2
"vars-on-top": 2,
"wrap-iife": [2, "any", {"functionPrototypeMethods": true}],
"yield-star-spacing": [2, "both"],
"yoda": [2, "never"]
}
}