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// enforces copyright header and @format directive to be present in every file
const pattern = /^\*\n[\S\s]*Facebook[\S\s]* \* @format\n/;
const prettierConfig = {
requirePragma: true,
singleQuote: true,
trailingComma: 'all',
bracketSpacing: false,
jsxBracketSameLine: true,
parser: 'flow',
};
module.exports = {
parser: 'babel-eslint',
extends: 'fbjs',
plugins: [...fbjs.plugins, 'header', 'prettier', '@typescript-eslint'],
rules: {
// disable rules from eslint-config-fbjs
'react/react-in-jsx-scope': 0, // not needed with our metro implementation
'no-new': 0, // new keyword needed e.g. new Notification
'no-catch-shadow': 0, // only relevant for IE8 and below
'no-bitwise': 0, // bitwise operations needed in some places
'consistent-return': 0,
'no-var': 2,
'prefer-const': [2, {destructuring: 'all'}],
'prefer-spread': 1,
'prefer-rest-params': 1,
'max-len': 0, // lets prettier take care of this
indent: 0, // lets prettier take care of this
'no-console': 0, // we're setting window.console in App.js
'no-multi-spaces': 2,
'prefer-promise-reject-errors': 1,
variableNamePattern +
'(?:,' +
variableNamePattern +
')*}?' +
String.raw`\s*(?:=\s*require\(|from)[a-zA-Z_+./''\s\d\-]+\)?[^;\n]*[;\n]`;
const maxLenIgnorePattern = String.raw`(^\s*(it|test)\(|${importPattern})`;
delete fbjsConfig.rules['babel/flow-object-type'];
module.exports = Object.assign({}, fbjsConfig, {
env: {
es6: true,
'jest/globals': true,
node: true,
},
plugins: fbjsConfig.plugins.concat(['jest']),
rules: Object.assign({}, fbjsConfig.rules, {
'array-bracket-spacing': [2, 'never'],
'arrow-parens': [2, 'as-needed'],
'arrow-spacing': [2],
'brace-style': [
2,
'1tbs',
{
allowSingleLine: true,
},
],
'comma-dangle': [2, 'always-multiline'],
'comma-spacing': [2],
'comma-style': [2, 'last'],
'computed-property-spacing': [2, 'never'],
'eol-last': [2],