text: // Copyright 2017-2021 @polkadot/util authors & contributors
  // SPDX-License-Identifier: Apache-2.0
  import { bnToBn } from "../bn/toBn.js";
  
  function formatValue(elapsed) {
    if (elapsed < 15) {
      return `${elapsed.toFixed(1)}s`;
    } else if (elapsed < 60) {
      return `${elapsed | 0}s`;
    } else if (elapsed < 3600) {
      return `${elapsed / 60 | 0}m`;
    }
  
    return `${elapsed / 3600 | 0}h`;
  }
  
  export function formatElapsed(now, value) {
    const tsNow = now && now.getTime() || 0;
    const tsValue = value instanceof Date ? value.getTime() : bnToBn(value).toNumber();
    return tsNow && tsValue ? formatValue(Math.max(Math.abs(tsNow - tsValue), 0) / 1000) : '0.0s';
  }