createSpacingCache() — tailwindcss Function Reference

Architecture documentation for the createSpacingCache() function in canonicalize-candidates.ts from the tailwindcss codebase.

Function typescript OxideCore PreProcessors calls 3 called by 1

Entity Profile

OxideCore→ PreProcessors→ createSpacingCache() — tailwindcss Function Reference

Dependency Diagram

graph TD
  0043d7b5_bba3_2709_5125_355abd3b6888["createSpacingCache()"]
  207ada18_60f2_10b9_7c9e_99bdb32f4ed7["prepareDesignSystemStorage()"]
  207ada18_60f2_10b9_7c9e_99bdb32f4ed7 -->|calls| 0043d7b5_bba3_2709_5125_355abd3b6888
  4b7a4cd6_9f02_0b91_8991_3889a44cd62f["resolveThemeValue()"]
  0043d7b5_bba3_2709_5125_355abd3b6888 -->|calls| 4b7a4cd6_9f02_0b91_8991_3889a44cd62f
  3a1a48b0_f593_6ef7_a2a2_e2d97f76468f["constantFoldDeclaration()"]
  0043d7b5_bba3_2709_5125_355abd3b6888 -->|calls| 3a1a48b0_f593_6ef7_a2a2_e2d97f76468f
  0aa64a1c_efd8_a69d_48ed_649b7a86c854["get()"]
  0043d7b5_bba3_2709_5125_355abd3b6888 -->|calls| 0aa64a1c_efd8_a69d_48ed_649b7a86c854
  style 0043d7b5_bba3_2709_5125_355abd3b6888 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

packages/tailwindcss/src/canonicalize-candidates.ts lines 937–965

function createSpacingCache(
  designSystem: DesignSystem,
  options?: CanonicalizeOptions,
): DesignSystem['storage'][typeof SPACING_KEY] {
  let spacingMultiplier = designSystem.resolveThemeValue('--spacing')
  if (spacingMultiplier === undefined) return null

  spacingMultiplier = constantFoldDeclaration(spacingMultiplier, options?.rem ?? null)

  let parsed = dimensions.get(spacingMultiplier)
  if (!parsed) return null

  let [value, unit] = parsed

  return new DefaultMap<string, number | null>((input) => {
    // If we already know that the spacing multiplier is 0, all spacing
    // multipliers will also be 0. No need to even try and parse/canonicalize
    // the input value.
    if (value === 0) return null

    let parsed = dimensions.get(constantFoldDeclaration(input, options?.rem ?? null))
    if (!parsed) return null

    let [myValue, myUnit] = parsed
    if (myUnit !== unit) return null

    return myValue / value
  })
}