| 1 | # Changelog
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| 2 |
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| 3 | Here is list of rules modifications. (starting from v9)
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| 4 |
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| 5 | ## 10
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| 6 |
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| 7 | ### Changes
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| 8 | - Drop node v8 support, 10.20.0 being the minimal node version required.
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| 9 | - Eslint v7 minimum.
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| 10 | - Adopt prettier major
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| 11 | - Upgrade all plugins
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| 12 |
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| 13 | ### Details
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| 14 | #### Eslint v7
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| 15 | Main enhancements of the new major:
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| 16 | - comment ('description') in directive introduced
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| 17 | - no need to specify extension for files specified in overrides pattern
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| 18 | - better plugin discovery (now detect one relatives to config files)
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| 19 |
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| 20 | More details [in blog post announcing the release, here](https://eslint.org/blog/2020/05/eslint-v7.0.0-released)
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| 21 |
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| 22 | New core eslint rules:
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| 23 | - default-case-last
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| 24 | - no-useless-backreference'
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| 25 |
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| 26 | #### Prettier v2
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| 27 | Some fundamental changed were introduced is was not possible for all of them to be opted out when we wanted.
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| 28 | - Mandatory parenthesis for arrow functions, and trailing commas were disabled
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| 29 | - Space between function name and parenthesis is now forced. (unfortunately non configurable)
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| 30 |
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| 31 | More details for prettier v2 breaking changes [here](https://prettier.io/blog/2020/03/21/2.0.0.html)
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| 32 |
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| 33 | #### Node
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| 34 | ##### Migrated rules (most were not activated):
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| 35 | - no-buffer-constructor -> no-deprecated-api
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| 36 | - no-process-env
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| 37 | - no-new-require
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| 38 | - no-path-concat
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| 39 | - no-sync
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| 40 | - global-require
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| 41 | - no-process-exit
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| 42 | - handle-callback-err
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| 43 | - no-restricted-modules
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| 44 | - callback-return
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| 45 |
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| 46 | Deprecated eslint core rules have been turned of and flagged to be removed when dropped.
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| 47 | Their current config was port to the node plugin counterpart.
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| 48 |
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| 49 | ##### New rules
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| 50 | - node/exports-style (`module.exports`)
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| 51 | - node/file-extension-in-import: (`"always", {".js": "never", ".ts": "never"}]`)
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| 52 | - node/no-callback-literal
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| 53 | - node/no-exports-assign
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| 54 | - node/no-extraneous-import
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| 55 | - node/no-extraneous-require
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| 56 | - node/no-missing-import (_migth be redundant with the import plugin)
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| 57 | - node/no-missing-require
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| 58 | - node/no-unsupported-features/es-builtins (relies in node range specified in `package.json#engines`)
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| 59 | - node/no-unsupported-features/es-syntax
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| 60 | - node/no-unsupported-features/node-builtins
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| 61 | - node/process-exit-as-throw (better code path analysis)
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| 62 | - node/prefer-global/buffer
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| 63 | - node/prefer-global/console
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| 64 | - node/prefer-global/process
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| 65 | - node/prefer-global/text-decoder
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| 66 | - node/prefer-global/text-encoder
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| 67 | - node/prefer-global/url
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| 68 | - node/prefer-global/url-search-arams
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| 69 |
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| 70 | #### ava
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| 71 | Introduced:
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| 72 | - ava/use-t-throws-async-well
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| 73 | #### core
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| 74 | Introduced
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| 75 | - unicorn/prefer-number-properties, should be opt out when es5 still used.
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| 76 |
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| 77 | unicorn had introduced many new rules in latest majors, but they are neither not interesting, not desired or too dangerous due to autofix.
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| 78 |
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| 79 | ## 9.3
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| 80 | ### React
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| 81 | Introduced:
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| 82 | - react/jsx-no-script-url
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| 83 | ### Mocha
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| 84 | Introduced
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| 85 | - chai-expect/no-inner-literal
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| 86 |
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| 87 | ## 9.2
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| 88 |
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| 89 | Introduced custom coorpacademy/jsx-no-logical-expression in the react scope
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| 90 |
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| 91 | ## 9.1
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| 92 | ### core
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| 93 | Introduced:
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| 94 | - prefer-regex-literals
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| 95 | - grouped-accessor-pairs
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| 96 | - no-constructor-return
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| 97 | - no-dupe-else-if
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| 98 | - no-setter-return
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| 99 |
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| 100 |
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| 101 | - unicorn/consistent-function-scoping (could be painful in test where it's acceptable to disable it)
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| 102 | - unicorn/prefer-reflect-apply (to disable in front)
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| 103 | - unicorn/no-console-spaces
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| 104 | - unicorn/no-for-loop
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| 105 | - unicorn/no-unreadable-array-destructuring
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| 106 | - unicorn/no-unused-properties
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| 107 | - unicorn/no-zero-fractions
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| 108 | - unicorn/prefer-includes
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| 109 | - unicorn/prefer-node-append
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| 110 | - unicorn/prefer-node-remove
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| 111 | - unicorn/prefer-text-content
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| 112 |
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| 113 | unicorn/prevent-abbreviations was tried but considered too painful
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| 114 |
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| 115 | ### Ava
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| 116 | - ava/no-incorrect-deep-equal
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| 117 | - ava/no-inline-assertions
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| 118 | - ava/prefer-t-regex
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| 119 |
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| 120 | ava/test-title-format was not activated, as ava/hooks-order
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| 121 |
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| 122 | ### Mocha
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| 123 | - mocha/no-async-describe
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| 124 |
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| 125 | ### react
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| 126 | - react/destructuring-assignment
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| 127 | - react/jsx-max-depth
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| 128 | - react/jsx-child-element-spacing
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| 129 | - react/jsx-one-expression-per-line
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| 130 | - react/jsx-props-no-multi-spaces
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| 131 | - react/button-has-type
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| 132 | - react/jsx-sort-default-props
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| 133 | - react/no-this-in-sfc
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| 134 | - react/no-unsafe
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| 135 | - react/jsx-curly-newline (with following config: `{multiline: 'require', singleline: 'forbid'}`)
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| 136 |
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| 137 | ### flow
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| 138 | Mis en warning le temps de statuer
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| 139 | - flowtype/array-style-complex-type
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| 140 | - flowtype/array-style-simple-type
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| 141 | - flowtype/require-compound-type-alias
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| 142 | - flowtype/no-mixed
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| 143 |
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| 144 | ## No documentation so far before 9.1
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