flash-section-list/lib/commonjs/LayoutManager.js

SectionList base on FlashList

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.default = void 0;
class LayoutManager {
  constructor({
    horizontal,
    accuracy = 2
  }) {
    this.horizontal = horizontal;
    this.accuracy = accuracy;
  }
  getSize(layout) {
    return this.horizontal ? layout?.width : layout?.height;
  }
  isChanged(a, b) {
    const sizeA = this.getSize(a);
    const sizeB = this.getSize(b);
    if (sizeA === undefined || sizeB === undefined) return true;
    return Math.abs(sizeA - sizeB) > this.accuracy;
  }
  getSizeProperty() {
    return this.horizontal ? 'width' : 'height';
  }
}
exports.default = LayoutManager;
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