toxi-kb

function minimumDistances(numbers) {
    const numberQuantity = numbers.length;
    const firstOccurrences = {};
    let minDistance = Infinity;
    
    for (let idx = 0; idx < numberQuantity; idx += 1) {
        const num = numbers[idx];
        const firstOccurrenceIdx = firstOccurrences[num];
        
        if (firstOccurrenceIdx === undefined) {

toxi-kb

const convertTimeDiff = diff => ({
  dd: Math.floor(diff / (1000 * 60 * 60 * 24)),
  hh: Math.floor((diff % (1000 * 60 * 60 * 24)) / (1000 * 60 * 60)),
  mm: Math.floor((diff % (1000 * 60 * 60)) / (1000 * 60)),
  ss: Math.floor((diff % (1000 * 60)) / 1000)
});

const useTimer = timestamp => {
  const [timer, setTimer] = useState(null);

toxi-kb

const array0 = [1, 2];
const array1 = [array0, [3, 4]];
const array2 = [array0, [3, 4]];

console.log(array1.filter(x => array2.includes(x))); // [[1, 2]]

toxi-kb

[…Array(10)].map((_, idx) => moment().add(idx, 'year').format('YYYY'));

toxi-kb

function isChanged<ValueType>(change: ChangeRecord<ValueType>){
  return change.oldValue !== change.newValue;
}

toxi-kb

const reverseString = (inputStr) => inputStr.split('').reverse().join('');

toxi-kb

const arr = [1, 0, 2, 3, 1, 0];

// Oops, we have an empty array
const newArray = arr.filter(item => {
    if (item === 0) { return item }
});

// This works properly
const filteredArray = arr.filter(item => item === 0);

toxi-kb

// Can handle only simple keys
const logValues1 = (obj, keys) => {
    keys.forEach(key => console.log(obj[key]));
}

// Can handle complex keys
const logValues2 = (obj, keys) => {
    keys.forEach(key => console.log(_.at(obj, key)));
}

toxi-kb

Pet.propTypes = {
    pet: PropTypes.shape({
        age: PropTypes.number,
        color: PropTypes.string,
        name: PropTypes.string
    })
};

toxi-kb

const stylesObject = {
    wrapper: {
        'background': 'linear-gradient(135deg,  #aa00ff 0%,#6a1b9a 100%)',
        'border-radius': '4px',
    },
}
  
const styles = Object.fromEntries(Object.entries(stylesObject).map(([element, style]) => [element, getStyles(style)]));

<div style="${styles.wrapper}">