async provideCompletionItems()

in src/language/providers/closeElement.ts [121:191]
59 lines of code
15 McCabe index (conditional complexity)

      async provideCompletionItems(
        document: vscode.TextDocument,
        position: vscode.Position
      ) {
        if (
          checkBraceOpen(document, position) ||
          cursorWithinBraces(document, position) ||
          cursorWithinQuotes(document, position) ||
          cursorAfterEquals(document, position) ||
          isInXPath(document, position)
        ) {
          return undefined
        }

        let backpos = position.with(position.line, position.character)
        let backpos3 = position.with(position.line, position.character)

        if (position.character > 0) {
          backpos = position.with(position.line, position.character - 1)
        }

        if (position.character > 2) {
          backpos3 = position.with(position.line, position.character - 3)
        }

        let nsPrefix = getNsPrefix(document, position)
        const origPrefix = nsPrefix

        const nearestTagNotClosed = checkMissingCloseTag(
          document,
          position,
          nsPrefix
        )
        nsPrefix = getItemPrefix(nearestTagNotClosed, origPrefix)
        const triggerText = document
          .lineAt(position)
          .text.substring(0, position.character)

        let itemsOnLine = getItemsOnLineCount(triggerText)

        if (nearestTagNotClosed.includes('none')) {
          return undefined
        }

        let range = new vscode.Range(position, position)

        if (
          (triggerText.endsWith('>') && itemsOnLine < 2) ||
          (triggerText.endsWith('>>') && itemsOnLine > 1) ||
          (triggerText.endsWith('.=>') && itemsOnLine === 0)
        ) {
          range = new vscode.Range(backpos, position)

          await vscode.window.activeTextEditor?.edit((editBuilder) => {
            editBuilder.replace(range, '')
          })

          checkItemsOnLine(
            document,
            position,
            range,
            itemsOnLine,
            triggerText,
            nsPrefix,
            nearestTagNotClosed,
            backpos,
            backpos3
          )
        }
        //return undefined
      },