isFamilyName() — tailwindcss Function Reference

Architecture documentation for the isFamilyName() function in infer-data-type.ts from the tailwindcss codebase.

Function typescript UpgradeToolkit TemplateAnalysis calls 1

Entity Profile

UpgradeToolkit→ TemplateAnalysis→ isFamilyName() — tailwindcss Function Reference

Dependency Diagram

graph TD
  0c0c9844_0b12_a425_c71c_90b60a31d52c["isFamilyName()"]
  516809a4_c70e_60c3_bbb2_8de4c4572510["infer-data-type.ts"]
  0c0c9844_0b12_a425_c71c_90b60a31d52c -->|defined in| 516809a4_c70e_60c3_bbb2_8de4c4572510
  f712ed47_45d4_4e5a_dd73_fdefa1da71da["segment()"]
  0c0c9844_0b12_a425_c71c_90b60a31d52c -->|calls| f712ed47_45d4_4e5a_dd73_fdefa1da71da
  style 0c0c9844_0b12_a425_c71c_90b60a31d52c fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/tailwindcss/src/utils/infer-data-type.ts lines 132–146

function isFamilyName(value: string): boolean {
  let count = 0

  for (let part of segment(value, ',')) {
    // If it starts with a digit, then it's not a family name
    let char = part.charCodeAt(0)
    if (char >= 48 && char <= 57) return false

    if (part.startsWith('var(')) continue

    count += 1
  }

  return count > 0
}