recursivelyDecodeArbitraryValues() — tailwindcss Function Reference

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)
    }
  }
}