chrome-devtools-frontend/scripts/eslint_rules/tests/set-data-type-reference.test.js

Chrome DevTools UI

// Copyright 2020 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
'use strict';
const rule = require('../lib/set-data-type-reference.js');

const {ruleTester} = require('./utils/utils.js');

ruleTester.run('set-data-type-reference', rule, {
  valid: [
    {
      code: `class Foo extends HTMLElement {
        set data(data: FooData) {}
      }`,
      filename: 'front_end/common/foo.ts',
    },
    {
      // Outside of a component anything goes
      code: `class Foo {
        set data(data) {}
      }`,
      filename: 'front_end/common/foo.ts',
    },
  ],

  invalid: [
    {
      code: `class Foo extends HTMLElement {
        set data(data) {}
      }`,
      filename: 'front_end/common/foo.ts',
      errors: [
        {
          message: 'The type of a parameter in a data setter must be explicitly defined.',
        },
      ],
    },
    {
      code: `class Foo extends HTMLElement {
        set data() {}
      }`,
      filename: 'front_end/common/foo.ts',
      errors: [
        {
          message: 'A data setter must take a parameter that is explicitly typed.',
        },
      ],
    },
    {
      code: `class Foo extends HTMLElement {
        set data(data: {some: 'literal'}) {}
      }`,
      filename: 'front_end/common/foo.ts',
      errors: [
        {
          message: 'A data setter parameter\'s type must be a type reference, not a literal type defined inline.',
        },
      ],
    },
  ],
});