Function cellPositioner

source/Masonry/createCellPositioner.js:27–46

(index)

  initOrResetDerivedValues();

  function cellPositioner(index) {
    // Find the shortest column and use it.
    let columnIndex = 0;
    for (let i = 1; i < columnHeights.length; i++) {
      if (columnHeights[i] < columnHeights[columnIndex]) {
        columnIndex = i;
      }
    }

    const left = columnIndex * (columnWidth + spacer);
    const top = columnHeights[columnIndex] || 0;

    columnHeights[columnIndex] =
      top + cellMeasurerCache.getHeight(index) + spacer;

    return {
      left,
      top,
    };
  }

  function initOrResetDerivedValues(): void {
    // Track the height of each column.