Function normaliseEditText

src/rstudioapi.ts:418–432

(text: string, editLocation: any,
    operation: string, targetDocument: TextDocument)

}

function normaliseEditText(text: string, editLocation: any,
    operation: string, targetDocument: TextDocument) {
    // in a document with lines, does the line position extend past the existing
    // lines in the document? rstudioapi adds a newline in this case, so must we.
    // n_lines is a count, line is 0 indexed position hence + 1
    const editStartLine = operation === 'insertText' ?
        editLocation[0] :
        editLocation.start[0];
    if (editStartLine === 'Inf' ||
        (editStartLine + 1 > targetDocument.lineCount && targetDocument.lineCount > 0)) {
        return (text + '\n');
    } else {
        return text;
    }
}

// window.onActiveTextEditorDidChange handler
export function trackLastActiveTextEditor(editor?: TextEditor): void {