mirror of
https://github.com/vector-im/element-web.git
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84 lines
2.5 KiB
JavaScript
84 lines
2.5 KiB
JavaScript
const path = require('path');
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// get the path of the js-sdk so we can extend the config
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// eslint supports loading extended configs by module,
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// but only if they come from a module that starts with eslint-config-
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// So we load the filename directly (and it could be in node_modules/
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// or or ../node_modules/ etc)
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const matrixJsSdkPath = path.dirname(require.resolve('matrix-js-sdk'));
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module.exports = {
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parser: "babel-eslint",
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extends: [matrixJsSdkPath + "/.eslintrc.js"],
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plugins: [
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"react",
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"flowtype",
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"babel"
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],
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env: {
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es6: true,
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},
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parserOptions: {
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ecmaFeatures: {
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jsx: true,
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}
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},
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rules: {
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// eslint's built in no-invalid-this rule breaks with class properties
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"no-invalid-this": "off",
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// so we replace it with a version that is class property aware
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"babel/no-invalid-this": "error",
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/** react **/
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// This just uses the react plugin to help eslint known when
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// variables have been used in JSX
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"react/jsx-uses-vars": "error",
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// bind or arrow function in props causes performance issues
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"react/jsx-no-bind": ["error", {
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"ignoreRefs": true,
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}],
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"react/jsx-key": ["error"],
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/** flowtype **/
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"flowtype/require-parameter-type": ["warn", {
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"excludeArrowFunctions": true,
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}],
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"flowtype/define-flow-type": "warn",
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"flowtype/require-return-type": ["warn",
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"always",
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{
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"annotateUndefined": "never",
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"excludeArrowFunctions": true,
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}
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],
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"flowtype/space-after-type-colon": ["warn", "always"],
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"flowtype/space-before-type-colon": ["warn", "never"],
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/*
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* things that are errors in the js-sdk config that the current
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* code does not adhere to, turned down to warn
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*/
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"max-len": ["warn", {
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// apparently people believe the length limit shouldn't apply
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// to JSX.
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ignorePattern: '^\\s*<',
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ignoreComments: true,
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code: 120,
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}],
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"valid-jsdoc": ["warn"],
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"new-cap": ["warn"],
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"key-spacing": ["warn"],
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"arrow-parens": ["warn"],
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"prefer-const": ["warn"],
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// crashes currently: https://github.com/eslint/eslint/issues/6274
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"generator-star-spacing": "off",
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},
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settings: {
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flowtype: {
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onlyFilesWithFlowAnnotation: true
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},
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},
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};
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