function processLineWithoutColon()

in src/yaml/yamlUtils.ts [49:125]
55 lines of code
10 McCabe index (conditional complexity)

function processLineWithoutColon(
  document: TextDocument,
  cursorPosition: Position,
  currentLine: string,
  currentLineEnd: number,
): ProcessYamlDocForCompletionOutput {
  let shouldPrependSpace = false

  const tempPositionForCompletions: Position = { ...cursorPosition }
  const startPositionForInsertion: Position = { ...cursorPosition }

  // Since there's no colon to separate the key and value, replace all text after the cursor.
  const endPositionForInsertion: Position = {
    line: cursorPosition.line,
    character: currentLine.length,
  }

  const docText = document.getText()
  const docTextLength = docText.length
  const lineOffsets = getLineOffsets(docText)
  const trimmedLine = currentLine.trim()

  let preText: string
  let postText: string
  let insertedText: string

  // Current line has no non-space characters, insert a placeholder node at the end of the line
  if (trimmedLine.length === 0) {
    preText = docText.substring(0, currentLineEnd)
    insertedText = '"":\n'
    postText = docText.slice(lineOffsets[cursorPosition.line + 1] || docTextLength)

    tempPositionForCompletions.character += 1

    // Trimmed line starts with '-'
  } else if (trimmedLine.length >= 1 && trimmedLine[0] === '-') {
    // Set start of insertion range to be immediately after the hyphen.
    const hyphenIndex = currentLine.indexOf('-')
    startPositionForInsertion.character = hyphenIndex + 1
    shouldPrependSpace = true

    const postHyphenTextTrimmed = currentLine.substring(hyphenIndex + 1).trim()

    // No non-space characters after the hyphen, insert a placeholder node after the hyphen
    if (postHyphenTextTrimmed.length === 0) {
      tempPositionForCompletions.character = hyphenIndex + 3
      preText = docText.substring(0, lineOffsets[cursorPosition.line] + hyphenIndex)
      insertedText = "- '':\n"
      postText = docText.slice(lineOffsets[cursorPosition.line + 1] || docTextLength)

      // There are non-space character after the hyphen, but no colon. Just insert colon at end of line.
    } else {
      preText = docText.substring(0, currentLineEnd)
      insertedText = (!currentLine.endsWith(' ') ? ' ' : '') + ':\n'
      postText = docText.slice(lineOffsets[cursorPosition.line + 1] || docTextLength)
    }

    // Non-empty line but missing colon, add colon to end of current line
  } else {
    preText = docText.substring(0, currentLineEnd)
    insertedText = ':\n'
    postText = docText.slice(lineOffsets[cursorPosition.line + 1] || docTextLength)

    // Starting pos is first non-space character
    startPositionForInsertion.character = currentLine.indexOf(trimmedLine)
  }

  const modifiedDocText = `${preText}${insertedText}${postText}`

  return {
    modifiedDocText,
    tempPositionForCompletions,
    startPositionForInsertion,
    endPositionForInsertion,
    shouldPrependSpace,
  }
}