Method cacheSizes

src/react-list.js:418–426

()

  }

  cacheSizes() {
    const { cache } = this;
    const { from } = this.state;
    const itemEls = this.items.children;
    const sizeKey = OFFSET_SIZE_KEYS[this.props.axis];
    for (let i = 0, l = itemEls.length; i < l; ++i) {
      cache[from + i] = itemEls[i][sizeKey];
    }
  }

  getSizeOfItem(index) {
    const { cache, items } = this;