Hardfork.isAfter

import { Hardfork, CANCUN } from 'tevm'

const fork = Hardfork(config.hardfork)

if (fork.isAfter(CANCUN)) {
  console.log("Running post-Cancun hardfork with unknown features")
  console.log("Consider upgrading documentation")
}

import { Hardfork, SHANGHAI } from 'tevm'

function hasNewFeatures(fork: BrandedHardfork): boolean {
  // Check if this is a newer hardfork with additional features
  return fork.isAfter(SHANGHAI)
}

import { Hardfork, PRAGUE } from 'tevm'

function validateTestnetConfig(fork: BrandedHardfork) {
  if (fork.isAfter(PRAGUE)) {
    console.warn(
      `Hardfork ${Hardfork.toString(fork)} is newer than Prague. ` +
      `Some features may not be fully tested.`
    )
  }
}

LONDON (11) < MERGE (14) < SHANGHAI (15) < CANCUN (16) < PRAGUE (17)

import { CANCUN } from 'tevm'

CANCUN.isAfter(CANCUN)  // false - not strictly after itself

import { CANCUN, LONDON } from 'tevm'

// Greater than or equal
CANCUN.isAtLeast(CANCUN)     // true
CANCUN.gte(CANCUN)           // true

// Strictly greater than
CANCUN.isAfter(CANCUN)       // false
CANCUN.isAfter(LONDON)       // true