How to use the RuleTester function from eslint

use-ck-slash-imports.spec.ts

GitHub: Workday/canvas-kit

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es2021.spec.js

GitHub: robatwilliams/es-compat

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// Browser that doesn't support any features of this version - see es-versions.md
process.env.BROWSERSLIST = 'Chrome >= 74';
jest.resetModules();

const ruleTester = new RuleTester({
  parserOptions: {
    ecmaVersion: 2021,
  },
  globals: {

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MultiTester.js

GitHub: victorg1991/liferay-frontend-projects

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constructor(options) {
    super(options);

    this._liferay = {
        parsers: {
            'babel-eslint': new RuleTester({
                ...options,
                parser: require.resolve('babel-eslint'),
            }),
            'espree': new RuleTester(options),

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index.private.spec.js

GitHub: looker-open-source/components

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  })),
}))

const filename = '@looker/components/src/index.js'

new RuleTester({
  parser: require.resolve('jsonc-eslint-parser'),
}).run('publish-config', rule, {
  valid: [
    {

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2020-06-22.customizando-o-eslint.md?plain=1

GitHub: gobrasil/gabrieluizramos.github.io

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Para iniciarmos, vamos criar um arquivo e criar uma instância desse `RuleTester`:

```js
// arquivo teste.js
const { RuleTester } = require('eslint');
const tester = new RuleTester();
```

Caso seja necessário, você pode passar configurações extras ao instanciar o `RuleTester` para realizar qualquer configuração extra do ESLint.

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+ 3 other calls in file