recursivelyDecodeArbitraryValues() — tailwindcss Function Reference

Architecture documentation for the recursivelyDecodeArbitraryValues() function in decode-arbitrary-value.ts from the tailwindcss codebase.

Function typescript OxideCore Extractor calls 2 called by 1

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OxideCore→ Extractor→ recursivelyDecodeArbitraryValues() — tailwindcss Function Reference

Dependency Diagram

graph TD
  5666e99d_13d5_2782_fe94_78f3f4fb3234["recursivelyDecodeArbitraryValues()"]
  fcaea65f_8651_c21e_ec5d_f042e1ab495e["decodeArbitraryValue()"]
  fcaea65f_8651_c21e_ec5d_f042e1ab495e -->|calls| 5666e99d_13d5_2782_fe94_78f3f4fb3234
  17722c69_83eb_3eca_a126_826c54cdd9cf["convertUnderscoresToWhitespace()"]
  5666e99d_13d5_2782_fe94_78f3f4fb3234 -->|calls| 17722c69_83eb_3eca_a126_826c54cdd9cf
  ff5d6b20_b7fa_36f1_f725_8c6eef8a2865["never()"]
  5666e99d_13d5_2782_fe94_78f3f4fb3234 -->|calls| ff5d6b20_b7fa_36f1_f725_8c6eef8a2865
  style 5666e99d_13d5_2782_fe94_78f3f4fb3234 fill:#6366f1,stroke:#818cf8,color:#fff

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Source Code

packages/tailwindcss/src/utils/decode-arbitrary-value.ts lines 48–89

function recursivelyDecodeArbitraryValues(ast: ValueParser.ValueAstNode[]) {
  for (let node of ast) {
    switch (node.kind) {
      case 'function': {
        if (node.value === 'url' || node.value.endsWith('_url')) {
          // Don't decode underscores in url() but do decode the function name
          node.value = convertUnderscoresToWhitespace(node.value)
          break
        }

        if (
          node.value === 'var' ||
          node.value.endsWith('_var') ||
          node.value === 'theme' ||
          node.value.endsWith('_theme')
        ) {
          node.value = convertUnderscoresToWhitespace(node.value)
          for (let i = 0; i < node.nodes.length; i++) {
            // Don't decode underscores to spaces in the first argument of var()
            if (i == 0 && node.nodes[i].kind === 'word') {
              node.nodes[i].value = convertUnderscoresToWhitespace(node.nodes[i].value, true)
              continue
            }
            recursivelyDecodeArbitraryValues([node.nodes[i]])
          }
          break
        }

        node.value = convertUnderscoresToWhitespace(node.value)
        recursivelyDecodeArbitraryValues(node.nodes)
        break
      }
      case 'separator':
      case 'word': {
        node.value = convertUnderscoresToWhitespace(node.value)
        break
      }
      default:
        never(node)
    }
  }
}