import is from '@sindresorhus/is';

const padLeft = (value: string, padding: string | number) => {
	if (is.number(padding)) {
		// `padding` is typed as `number`
		return Array(padding + 1).join(' ') + value;
	}

	if (is.string(padding)) {
		// `padding` is typed as `string`
		return padding + value;
	}

	throw new TypeError(`Expected 'padding' to be of type 'string' or 'number', got '${is(padding)}'.`);
}

import {assert} from '@sindresorhus/is';

const handleMovieRatingApiResponse = (response: unknown) => {
	assert.plainObject(response);
	// `response` is now typed as a plain `object` with `unknown` properties.

	assert.number(response.rating);
	// `response.rating` is now typed as a `number`.

	assert.string(response.title);
	// `response.title` is now typed as a `string`.

	return `${response.title} (${response.rating * 10})`;
};

import { detect, isNumber, isString } from '@sindresorhus/is';

const padLeft = (value: string, padding: string | number) => {
	if (isNumber(padding)) {
		// `padding` is typed as `number`
		return Array(padding + 1).join(' ') + value;
	}

	if (isString(padding)) {
		// `padding` is typed as `string`
		return padding + value;
	}

	throw new TypeError(`Expected 'padding' to be of type 'string' or 'number', got '${detect(padding)}'.`);
}

import { assertNumber, assertPlainObject, assertString } from '@sindresorhus/is';

const handleMovieRatingApiResponse = (response: unknown) => {
	assertPlainObject(response);
	// `response` is now typed as a plain `object` with `unknown` properties.

	assertNumber(response.rating);
	// `response.rating` is now typed as a `number`.

	assertString(response.title);
	// `response.title` is now typed as a `string`.

	return `${response.title} (${response.rating * 10})`;
};