namereva

function generateColor(name: string): string {
  let hash = 0;
  for (let i = 0; i < name.length; i++) {
    hash = ((hash << 5) - hash + name.charCodeAt(i)) | 0;
  }

  return `#${(Math.abs(hash) % 0x1000000).toString(16).padStart(6, '0')}`;
}

namereva

function animateNumber({
  start,
  end,
  duration,
  onChange,
}: {
  start: number;
  end: number;
  onChange: (val: number) => void;
  duration?: number;

namereva

.wrapper:hover > *:not(:hover) {
  color: red;
}

namereva

overflow: hidden;
text-overflow: ellipsis;
white-space: nowrap;
word-wrap: normal;

namereva

const provedPassword = this.password.match(/(?=.*[0-9])(?=.*[!@#$%^&*])(?=.*[a-z|A-Z])/g);

namereva

const value = 30;
const newArray = Array.from(Array(value)).map((item, index) => ({
  date: new Date(2018, 1, index + 1),
}));

namereva

handleTimeout = ({ value }) => {
  setTimeout(() => this.props.onClose({ value }), 30000);
};

describe('Example', () => {
  it('should call exampleProps with value', () => {
    const spy = jest.fn();
    const wrapper = shallow(
      <Example exampleProps={value: 'test'} />
    );

namereva

const mockMath = Object.create(global.Math);
mockMath.random = () => 0.5;
global.Math = mockMath;

namereva

componentDidUpdate(prevProps) {
  if (prevProps.propsExample !== this.props.propsExample) {
    this.handleExample(this.props.propsExample);
  }
}

//test enzyme + jest
describe('componentDidUpdate', () => {
  it('should call handleExample', () => {
    const value = 'test';