Function calculateTokenWarningState

src/services/compact/autoCompact.ts:101–153

(
  tokenUsage: number,
  model: string,
)

}

export function calculateTokenWarningState(
  tokenUsage: number,
  model: string,
): {
  percentLeft: number
  isAboveWarningThreshold: boolean
  isAboveErrorThreshold: boolean
  isAboveAutoCompactThreshold: boolean
  isAtBlockingLimit: boolean
} {
  const autoCompactThreshold = getAutoCompactThreshold(model)
  const threshold = isAutoCompactEnabled()
    ? autoCompactThreshold
    : getEffectiveContextWindowSize(model)

  const percentLeft = Math.max(
    0,
    Math.round(((threshold - tokenUsage) / threshold) * 100),
  )

  const warningThreshold = threshold - WARNING_THRESHOLD_BUFFER_TOKENS
  const errorThreshold = threshold - ERROR_THRESHOLD_BUFFER_TOKENS

  const isAboveWarningThreshold = tokenUsage >= warningThreshold
  const isAboveErrorThreshold = tokenUsage >= errorThreshold

  const isAboveAutoCompactThreshold =
    isAutoCompactEnabled() && tokenUsage >= autoCompactThreshold

  const actualContextWindow = getEffectiveContextWindowSize(model)
  const defaultBlockingLimit =
    actualContextWindow - MANUAL_COMPACT_BUFFER_TOKENS

  // Allow override for testing
  const blockingLimitOverride = process.env.CLAUDE_CODE_BLOCKING_LIMIT_OVERRIDE
  const parsedOverride = blockingLimitOverride
    ? parseInt(blockingLimitOverride, 10)
    : NaN
  const blockingLimit =
    !isNaN(parsedOverride) && parsedOverride > 0
      ? parsedOverride
      : defaultBlockingLimit

  const isAtBlockingLimit = tokenUsage >= blockingLimit

  return {
    percentLeft,
    isAboveWarningThreshold,
    isAboveErrorThreshold,
    isAboveAutoCompactThreshold,
    isAtBlockingLimit,
  }
}

export function isAutoCompactEnabled(): boolean {
  if (isEnvTruthy(process.env.DISABLE_COMPACT)) {