formatNanoseconds() — tailwindcss Function Reference

Architecture documentation for the formatNanoseconds() function in format-ns.ts from the tailwindcss codebase.

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Integrations→ PostCSSPlugin→ formatNanoseconds() — tailwindcss Function Reference

Dependency Diagram

graph TD
  c39c242e_6d05_2203_1ee9_1697f22d3f9f["formatNanoseconds()"]
  3feb3888_ade9_9f45_b687_7da0f2dd65e5["format-ns.ts"]
  c39c242e_6d05_2203_1ee9_1697f22d3f9f -->|defined in| 3feb3888_ade9_9f45_b687_7da0f2dd65e5
  96600d8b_6485_9da3_cce3_4aa95468dc16["formatDuration()"]
  96600d8b_6485_9da3_cce3_4aa95468dc16 -->|calls| c39c242e_6d05_2203_1ee9_1697f22d3f9f
  style c39c242e_6d05_2203_1ee9_1697f22d3f9f fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/@tailwindcss-cli/src/utils/format-ns.ts lines 1–23

export function formatNanoseconds(input: bigint | number) {
  let ns = typeof input === 'number' ? BigInt(input) : input

  if (ns < 1_000n) return `${ns}ns`
  ns /= 1_000n

  if (ns < 1_000n) return `${ns}µs`
  ns /= 1_000n

  if (ns < 1_000n) return `${ns}ms`
  ns /= 1_000n

  if (ns < 60n) return `${ns}s`
  ns /= 60n

  if (ns < 60n) return `${ns}m`
  ns /= 60n

  if (ns < 24n) return `${ns}h`
  ns /= 24n

  return `${ns}d`
}