eslint-plugin-jsx-a11y/__tests__/src/util/parserOptionsMapper-test.js

Static AST checker for accessibility rules on JSX elements.

import { version as eslintVersion } from 'eslint/package.json';
import test from 'tape';
import semver from 'semver';

import parserOptionsMapper from '../../__util__/parserOptionsMapper';

const usingLegacy = semver.major(eslintVersion) < 9;

test('parserOptionsMapper', (t) => {
  const expectedResult = usingLegacy
    ? {
      code: '<div />',
      errors: [],
      options: {},
      parserOptions: {
        ecmaVersion: 2018,
        ecmaFeatures: {
          experimentalObjectRestSpread: true,
          jsx: true,
        },
      },
      settings: {},
    }
    : {
      code: '<div />',
      errors: [],
      options: {},
      languageOptions: {
        ecmaVersion: 'latest',
        parserOptions: {
          ecmaFeatures: {
            experimentalObjectRestSpread: true,
            jsx: true,
          },
        },
      },
      settings: {},
    };

  t.deepEqual(
    parserOptionsMapper({
      code: '<div />',
      errors: [],
      options: {},
    }),
    expectedResult,
    'returns a test case object',
  );

  const expectedResult2 = usingLegacy
    ? {
      code: '<div />',
      errors: [],
      options: {},
      parserOptions: {
        ecmaVersion: 5,
        ecmaFeatures: {
          experimentalObjectRestSpread: true,
          jsx: true,
        },
      },
      settings: {},
    }
    : {
      code: '<div />',
      errors: [],
      options: {},
      languageOptions: {
        ecmaVersion: 5,
        parserOptions: {
          ecmaFeatures: {
            experimentalObjectRestSpread: true,
            jsx: true,
          },
        },
      },
      settings: {},
    };
  t.deepEqual(
    parserOptionsMapper({
      code: '<div />',
      errors: [],
      options: {},
      languageOptions: {
        ecmaVersion: 5,
      },
    }),
    expectedResult2,
    'allows for overriding parserOptions',
  );

  t.end();
});