How to use the testcafe.t.ctx function in testcafe

function showSuccess(stepName: string, stepLabel: StepLabel): void {
  if (!t.ctx.stepRunnerContext) {
    t.ctx.stepRunnerContext = {};

    // eslint-disable-next-line no-console
    console.log('');
  }

  // eslint-disable-next-line no-console
  console.log(`  ${chalk.green(symbols.ok)} ${stepLabel} ${stepName}`);
}

t.ctx.canExecute = true;
      return;
    }
    if (targets.length === 0) {
      return;
    }
    t.ctx.canExecute = false;
    for (const target of targets) {
      if (config.env.name === target) {
        t.ctx.canExecute = true;
      }
      if (target === 'any') {
        t.ctx.canExecute = true;
      }
    }
    if (t.ctx.canExecute === false) {
      const message = `next steps will not run because scenario is targeted only for ${targets}`;

      // eslint-disable-next-line no-console
      console.log(`    ${chalk.inverse(message)}`);
    }
  },
};

only: async (...targets: TargetEnvironnement[]): Promise => {
    const config: Config = getCurrentConfig(t);
    if (config.env === undefined) {
      throw new Error('The env property in the configuration file is not defined.');
    }
    if (config.env.name === 'any') {
      // filters are bypassed if the environment in the configuration file is any
      t.ctx.canExecute = true;
      return;
    }
    if (targets.length === 0) {
      return;
    }
    t.ctx.canExecute = false;
    for (const target of targets) {
      if (config.env.name === target) {
        t.ctx.canExecute = true;
      }
      if (target === 'any') {
        t.ctx.canExecute = true;
      }
    }
    if (t.ctx.canExecute === false) {
      const message = `next steps will not run because scenario is targeted only for ${targets}`;

      // eslint-disable-next-line no-console
      console.log(`    ${chalk.inverse(message)}`);
    }
  },
};

const config: Config = getCurrentConfig(t);
    if (config.env === undefined) {
      throw new Error('The env property in the configuration file is not defined.');
    }
    if (config.env.name === 'any') {
      // filters are bypassed if the environment in the configuration file is any
      t.ctx.canExecute = true;
      return;
    }
    if (targets.length === 0) {
      return;
    }
    t.ctx.canExecute = false;
    for (const target of targets) {
      if (config.env.name === target) {
        t.ctx.canExecute = true;
      }
      if (target === 'any') {
        t.ctx.canExecute = true;
      }
    }
    if (t.ctx.canExecute === false) {
      const message = `next steps will not run because scenario is targeted only for ${targets}`;

      // eslint-disable-next-line no-console
      console.log(`    ${chalk.inverse(message)}`);
    }
  },
};

function showSuccess(stepName: string, stepLabel: StepLabel): void {
  if (!t.ctx.stepRunnerContext) {
    t.ctx.stepRunnerContext = {};

    // eslint-disable-next-line no-console
    console.log('');
  }

  // eslint-disable-next-line no-console
  console.log(`  ${chalk.green(symbols.ok)} ${stepLabel} ${stepName}`);
}

export default async (): Promise => {
  // get the config that was injected into the fixture/test context by the feature
  const config: Config = getCurrentConfig(t);

  // get the page object model that was injected in the context
  const inputData = t.ctx.inputData as PageModel;

  const value = inputData.name || '';

  await t
    .setTestSpeed(config.testSpeed)
    .hover(selector.userNameInputBox)
    .expect(selector.userNameInputBox.hasAttribute('disabled'))
    .notOk()
    .click(selector.userNameInputBox)
    .typeText(selector.userNameInputBox, value, { replace: true })
    .pressKey('tab');
};

export default async (stepName: string): Promise => {
  // get the page object model that was injected in the context
  const inputData = t.ctx.inputData as PageModel;
  const config = getCurrentConfig(t);

  // extract the message embedded in the step name
  // by convention this value is prefixed and postfixed by a single quote
  const message = firstMatch(/'.*'/g, stepName);
  if (message === null) {
    throw new Error(`Cannot extract message from the step name "${stepName}"`);
  }

  const myName = inputData.name || '';
  await t
    .expect(selector.resultContent.exists)
    .ok({ timeout: config.timeout.longTimeout })
    .expect(selector.resultContent.innerText)
    .contains(message)
    .expect(selector.resultContent.innerText)

export default async (stepName: string): Promise => {
  // get the config that was injected into the fixture context by the feature
  const config: Config = getCurrentConfig(t);

  // get the page object model that was injected in the test context
  const inputData = t.ctx.inputData as PageModel;

  // extract the value embedded in the step name
  // by convention this value is prefixed and postfixed by a single quote
  const value = firstMatch(/'.*'/g, stepName);
  if (value === null) {
    throw new Error(`Cannot extract value from the step name "${stepName}"`);
  }

  // you may use the Visual Studio Code Extension Testcafe Snippets
  // to help you write your tests

  await t
    .setTestSpeed(config.testSpeed)
    .hover(selector.firstInputBox)
    .expect(selector.firstInputBox.hasAttribute('disabled'))
    .notOk({ timeout: config.timeout.longTimeout })