react-refresh-webpack-plugin/test/unit/normalizeOptions.test.js at 2fa598f793732210f608f2e73177bfc8f6f76b15 · pmmmwh/react-refresh-webpack-plugin · GitHub

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const normalizeOptions = require('../../lib/utils/normalizeOptions');

const ReactRefreshEntry = require.resolve('../../client/ReactRefreshEntry');

/** @type {Partial<import('../../types/types').ReactRefreshPluginOptions>} */
const DEFAULT_OPTIONS = {
  exclude: /node_modules/i,
  include: /\.([cm]js|[jt]sx?|flow)$/i,
  runtimeEntry: ReactRefreshEntry,
  overlay: {
    entry: require.resolve('../../client/ErrorOverlayEntry'),
    module: require.resolve('../../overlay'),
    sockIntegration: 'wds',
  },
};

describe('normalizeOptions', () => {
  it('should return default options when an empty object is received', () => {
    expect(normalizeOptions({})).toStrictEqual(DEFAULT_OPTIONS);
  });

  it('should return user options', () => {
    expect(
      normalizeOptions({
        exclude: 'exclude',
        forceEnable: true,
        include: 'include',
        library: 'library',
        runtimeEntry: 'runtimeEntry',
        overlay: {
          entry: 'entry',
          module: 'overlay',
          sockIntegration: 'whm',
        },
      })
    ).toStrictEqual({
      exclude: 'exclude',
      forceEnable: true,
      include: 'include',
      library: 'library',
      runtimeEntry: 'runtimeEntry',
      overlay: {
        entry: 'entry',
        module: 'overlay',
        sockIntegration: 'whm',
      },
    });
  });

  it('should return default for overlay options when it is true', () => {
    expect(normalizeOptions({ overlay: true })).toStrictEqual(DEFAULT_OPTIONS);
  });

  it('should return false for overlay options when it is false', () => {
    expect(normalizeOptions({ overlay: false })).toStrictEqual({
      ...DEFAULT_OPTIONS,
      overlay: false,
    });
  });

  it('should keep "runtimeEntry" when it is false', () => {
    expect(normalizeOptions({ runtimeEntry: false })).toStrictEqual({
      ...DEFAULT_OPTIONS,
      runtimeEntry: false,
    });
  });

  it('should keep "overlay.entry" when it is false', () => {
    const options = { ...DEFAULT_OPTIONS };
    options.overlay.entry = false;

    expect(normalizeOptions(options)).toStrictEqual(options);
  });

  it('should keep "overlay.module" when it is false', () => {
    const options = { ...DEFAULT_OPTIONS };
    options.overlay.module = false;

    expect(normalizeOptions(options)).toStrictEqual(options);
  });

  it('should keep "overlay.sockIntegration" when it is false', () => {
    const options = { ...DEFAULT_OPTIONS };
    options.overlay.sockIntegration = false;

    expect(normalizeOptions(options)).toStrictEqual(options);
  });
});