parsePlot discussion

parseplot.js

var plotDiagram = `(Hooghly,                Calcutta, 2020, Painting            Hooghly with words-Build background and bridge to Writers Building) -> 





(Writers Building, 2020, Calcutta, Painting Writers) 




-> 




(Chief Minster Cabin, Calcutta, 2021, Painting the process who will sit here-painting Chief Minister Cabin-Bridge to current occupant)                              -> 



(Mamata Banerji, Calcutta, 2020, Profile about current occupant-one interesting fact from her life to trigger - like being unmarried) -> 
(Hooghly-Origin of Calcutta, Calcutta, 1690, go qqqback to start how Calcutta was created in British times) -> 
(Aurangzeb, Dhaka, 1690, Explain State of Mughal affairs - and how Bengal became independent country) -> 
(Murshid Quli Khan, Murshidabad, 1707-1717, Go upriver to Murshidabad-Explain how the richest country in the world is born) -> 
(Alivardi Khan, Murshidabad, 1717-1756, continuation of Murshid Story-Alivardi was last strong man Britishers feared in Bengal)                 -> 
(Robert Clive, Murshidabad-Plassey-Calcutta, 1757, Start of British power in Bengal and in India-Battle of Plassey) -> 
(Battle Theme- Sheikh Mujibur Rehman-Bangladesh, Bangladesh, 1971-1975,      Creation of Bangladesh and Pakistan role in Bengal till Sheikh Mujibur Rehman was assassinated-Bridge to his daugher Sheikh Haseena) -> 
(Creation of East Pakistan-Suhrawady,United India, 1945-1947, Talk about events in Bengal when it broke out of India) -> 
(Sheikh Haseena, Dhaka-Bangladesh, 2020, Regeneration to be the fast growing region in the world-Bridge to Mamata)          -> 
(Mamata Banerji, Calcutta, 2020, Another aspect of her life- a short event - Bridge to her political predecessor system Communism and Jyoti Basu) ->            
(Jyoti Basu-Communism, West Bengal, 1977-2000, Impact of Communism in Bengal-Bridge to Cornwallis Permanent Settlement) -> 
(Cornwallis, Bengal, 1790-1800, Permanent Settlement System and how it impacted West Bengal) -> 
(William Bentick, Bengal, 1828-1835, Bentick social reforms) -> 
(Lord Dalhousie, Bengal, 1857, events leading to first war of independence) -> 
(Lord  Curzon, Bengal, 1905, partition of Bengal) -> 
(Hooghly, Bengal, 1905-1947, an event in Hooghly in this time period) -> 
(Writers Building-Bidhan Chandra Roy, Calcutta, 1950, explain his contribution in governing West Bengal) -> 
(Hoogly-Writers Building, Calcutta, 2020, Come back to present, talk about current political situation and talk about upcoming elections) -> 
(Amit Shah - Bengal Elections 2021, Bengal, 2021, Give a closure to readers and make them look forward to Elections 2021-CONCLUSION)`


function parsePlot(plottext) {

    var tstring = plottext.replace(/\s+/g, " ");  // collapse all whitespace to single whitespace
   tstring = tstring.replace(/(\r\n|\n|\r|\t)/gm, "");
   tstring = tstring.trim(); // trim whitespace from both ends 
   tstring = tstring.replace(") -> (", ")->( ");   
   tstring = tstring.replace(") ->(", ")->( ");   
   tstring = tstring.replace(")-> (", ")->( ");
   tstring = tstring.split(")->("); // split string based on the delimiter

    return tstring;
    
    if (tstring.length > 0) {
        if (tstring[0].trim()[0] == "(") {
            tstring[0] = tstring[0].trim().slice(1)
        }
        else {
            return 'error';
        }

        var lastobj = tstring[tstring.length-1];
        var lastobjlen = lastobj.length;

        if (lastobj.trim()[lastobjlen-1] == ")") {
            tstring[tstring.length-1] = lastobj.trim().slice(0, lastobjlen-1)
        }
        else {
            return 'error';
        }
    }
    else {
        return 'error';
    }
    return tstring;
}