DScheglov

{
  "compilerOptions": {
    "baseUrl": "..",
    "paths": {
      "@src/*": ["./src/*"]
     }
   }
}

DScheglov

{"lastUpload":"2020-10-21T09:11:51.403Z","extensionVersion":"v3.4.3"}

DScheglov

export const amountToString = amount => (
  amount < 0 ? `(${-amount})` : `${amount}`
);

DScheglov

[ ["Иван", "Иванов"],
  [101101, "Московское ш., 101, кв. 101", "Ленинград"],
  ["812 123-1234", "916 123-4567"] ]

DScheglov

{ "firstName": "Иван", "lastName": "Иванов",
  "address": { "streetAddress": "Московское ш., 101, кв. 101", "city": "Ленинград", "postalCode": 101101 },
  "phoneNumbers": ["812 123-1234", "916 123-4567"] }

DScheglov

const authorsByIds = () => new DataLoader(async ids => {
  const authors = await authorModel.findByIds(ids);
  const authorById = new Map();
  authors.forEach(author => authorById.set(author.id, author));
  return ids.map(id => authorById.get(id));
});

const authorResolver = (source, { id }, context) => {
  let dl = context.dataLoaders.get(authorsById);
  if (!dl) {

DScheglov

{"lastUpload":"2020-01-11T12:45:39.616Z","extensionVersion":"v3.4.3"}

DScheglov

const normalize = (k, v) => (
  k !== '' && Array.isArray(v)
    ? { name: v[0], age: v[1], flag: v[2] }
    : v
);

const data = JSON.parse(
  '[["name", 13, true], ["surname", 34, false]]',
  normalize
);

DScheglov

function MapValues<K extends string, S, D>(
    source: { [k in K]: S },
    mapper: (value: S, key: K, src: { [k in K]: S }) => D
): { [k in K]: D } {
    const dest = {} as { [k in K]: D };
    
    for (let key of Object.keys(source) as K[]) {
        dest[key] = mapper(source[key], key, source)
    }

DScheglov

const get = items => index => items[index];
const push = items => item => { items.push(item); };
const pop = items => () => items.pop();

const arrayApi = items => Object.assign(
  get(items), {
    push: push(items),
    pop: pop(items),
  }
);