Function createInlineCompletionItem

src/monacoCompletionProvider.ts:113–176

(
  monacoSite: MonacoSite,
  completionItem: CompletionItem,
  document: monaco.editor.ITextModel,
  additionalUtf8ByteOffset: number,
  apiKey: string,
  editor?: monaco.editor.ICodeEditor
)

}

function createInlineCompletionItem(
  monacoSite: MonacoSite,
  completionItem: CompletionItem,
  document: monaco.editor.ITextModel,
  additionalUtf8ByteOffset: number,
  apiKey: string,
  editor?: monaco.editor.ICodeEditor
): monaco.languages.InlineCompletion | undefined {
  if (!completionItem.completion || !completionItem.range) {
    return undefined;
  }

  // Create and return inlineCompletionItem.
  const { value: text, utf16Offset } = getValueAndStartOffset(monacoSite, document);
  const startPosition = document.getPositionAt(
    utf16Offset +
      numUtf8BytesToNumCodeUnits(
        text,
        Number(completionItem.range.startOffset) - additionalUtf8ByteOffset
      )
  );
  const endPosition = document.getPositionAt(
    utf16Offset +
      numUtf8BytesToNumCodeUnits(
        text,
        Number(completionItem.range.endOffset) - additionalUtf8ByteOffset
      )
  );
  const range = new MonacoRange(startPosition, endPosition);
  let completionText = completionItem.completion.text;
  let callback: (() => void) | undefined = undefined;
  if (editor && completionItem.suffix && completionItem.suffix.text.length > 0) {
    // Add suffix to the completion text.
    completionText += completionItem.suffix.text;
    // Create callback to move cursor after accept.
    // Note that this is a hack to get around Monaco's API limitations.
    // There's no need to convert to code units since we only use simple characters.
    const deltaCursorOffset = Number(completionItem.suffix.deltaCursorOffset);
    callback = () => {
      const selection = editor.getSelection();
      if (selection === null) {
        console.warn('Unexpected, no selection');
        return;
      }
      const newPosition = document.getPositionAt(
        document.getOffsetAt(selection.getPosition()) + deltaCursorOffset
      );
      editor.setSelection(new MonacoRange(newPosition, newPosition));
      editor._commandService.executeCommand('editor.action.inlineSuggest.trigger');
    };
  }

  const inlineCompletionItem: monaco.languages.InlineCompletion = {
    insertText: completionText,
    text: completionText,
    range,
    command: {
      id: 'codeium.acceptCompletion',