Function scanForErrorMessages

lib/html.js:189–221

(html, errorClasses = [])

}

function scanForErrorMessages(html, errorClasses = []) {
  // Parse the HTML into a document tree
  const document = parse(html)

  // Array to store error messages
  const errorMessages = []

  // Function to recursively scan for error classes and messages
  function scanErrors(node) {
    if (node.attrs) {
      const classAttr = node.attrs.find(attr => attr.name === 'class')
      if (classAttr && classAttr.value) {
        const classNameChunks = classAttr.value.split(' ')
        const errorClassFound = errorClasses.some(errorClass => classNameChunks.includes(errorClass))
        if (errorClassFound && node.childNodes) {
          const errorMessage = sanitizeTextContent(node)
          errorMessages.push(errorMessage)
        }
      }
    }

    if (node.childNodes) {
      for (const childNode of node.childNodes) {
        scanErrors(childNode)
      }
    }
  }

  // Start scanning for error classes and messages from the root element
  scanErrors(document)

  return errorMessages
}

function sanitizeTextContent(node) {
  if (node.nodeName === '#text') {