githubmirror/immutable-js

src/Collection.js

33 строки926 B

Lee Byron

Relicence and copyright (#1814)

18 июн 2021, 01:53

18 июн 2021, 01:535155a7f

import { Seq, KeyedSeq, IndexedSeq, SetSeq } from './Seq';
import { isCollection } from './predicates/isCollection';
import { isKeyed } from './predicates/isKeyed';
import { isIndexed } from './predicates/isIndexed';
import { isAssociative } from './predicates/isAssociative';

export class Collection {
  constructor(value) {
    return isCollection(value) ? value : Seq(value);
  }
}

export class KeyedCollection extends Collection {
  constructor(value) {
    return isKeyed(value) ? value : KeyedSeq(value);
  }
}

export class IndexedCollection extends Collection {
  constructor(value) {
    return isIndexed(value) ? value : IndexedSeq(value);
  }
}

export class SetCollection extends Collection {
  constructor(value) {
    return isCollection(value) && !isAssociative(value) ? value : SetSeq(value);
  }
}

Collection.Keyed = KeyedCollection;
Collection.Indexed = IndexedCollection;
Collection.Set = SetCollection;