export function cursorWithinQuotes()

in src/language/providers/utils.ts [431:504]
66 lines of code
24 McCabe index (conditional complexity)

export function cursorWithinQuotes(
  document: vscode.TextDocument,
  position: vscode.Position
) {
  const quoteChar: string[] = ["'", '"']
  let startLine = position.line

  for (let i = 0; i < quoteChar.length; ++i) {
    let currentText = document.lineAt(startLine).text

    if (
      currentText.includes('<') &&
      !currentText.includes("'") &&
      !currentText.includes('"')
    ) {
      return false
    }

    if (currentText.includes(quoteChar[i])) {
      let textBeforeTrigger = currentText.substring(0, position.character)
      //let tagStartPos = -1
      let quoteStartLine = startLine
      let quoteStartPos = -1
      let equalStartPos = -1

      while (
        (equalStartPos = textBeforeTrigger.lastIndexOf('=' + quoteChar[i])) ===
        -1
      ) {
        if (textBeforeTrigger.indexOf('<') !== -1) {
          break
        }
        textBeforeTrigger = document.lineAt(--quoteStartLine).text
      }

      quoteStartPos = equalStartPos + 1
      let quoteEndLine = quoteStartLine
      let quoteEndPos = -1

      if (quoteStartPos > -1) {
        while (
          quoteEndLine < document.lineCount &&
          (quoteEndPos = currentText.indexOf(
            quoteChar[i],
            quoteStartPos + 1
          )) === -1
        ) {
          currentText = document.lineAt(++quoteEndLine).text
        }

        if (
          quoteEndPos > -1 &&
          currentText.indexOf('=', quoteStartPos - 1) === quoteStartPos - 1
        ) {
          if (
            (position.line > quoteStartLine && position.line < quoteEndLine) ||
            (quoteEndLine === quoteStartLine &&
              position.character > quoteStartPos &&
              position.character <= quoteEndPos) ||
            (position.line === quoteStartLine &&
              position.character > quoteStartPos &&
              position.line < quoteEndLine) ||
            (position.line === quoteEndLine &&
              position.character <= quoteEndPos &&
              position.line > quoteStartLine)
          ) {
            return true
          }
        }
      }
    }
  }
  return false
}