Method constructor

src/List.js:32–58

(value)

  // @pragma Construction

  constructor(value) {
    const empty = emptyList();
    if (value === undefined || value === null) {
      // eslint-disable-next-line no-constructor-return
      return empty;
    }
    if (isList(value)) {
      // eslint-disable-next-line no-constructor-return
      return value;
    }
    const iter = IndexedCollection(value);
    const size = iter.size;
    if (size === 0) {
      // eslint-disable-next-line no-constructor-return
      return empty;
    }
    assertNotInfinite(size);
    if (size > 0 && size < SIZE) {
      // eslint-disable-next-line no-constructor-return
      return makeList(0, size, SHIFT, undefined, new VNode(iter.toArray()));
    }
    // eslint-disable-next-line no-constructor-return
    return empty.withMutations((list) => {
      list.setSize(size);
      iter.forEach((v, i) => list.set(i, v));
    });
  }

  static of(/*...values*/) {
    return this(arguments);