javascript - Styling ag-grid cell based on condition when cell value is changed -


i wanted apply css style cell, if oldvalue , newvalue different after cell edited. so, did below in oncellvaluechanged() handler,

 oncellvaluechanged: function(params) {     if (params.oldvalue !== params.newvalue) {        params.coldef.cellstyle = function(params) {          return {           backgroundcolor: 'green'         };       }       params.api.redrawrows();    } }

but apply css change cells particular column when condition met. not sure how apply 'cellstyle' cell affected.

update 1: changed below , started working ,

oncellvaluechanged: function(params) { console.log(params);  var cellvalue = params.data[params.coldef.field]; if (params.oldvalue !== params.newvalue) {     params.coldef.cellstyle = function(params) {       if(params.value==cellvalue){         return {           backgroundcolor: 'green'         };       }     }   params.api.redrawrows(); } }

the problem face cell styling (in case background becoming green) lost when edit other cell under same column. demo

this issue fixed now, working demo

function cellvaluechangedlistener(params) {   var oldvalue = params.oldvalue;   var newvalue = params.newvalue;    var recordkey = params.data.key;   var columnfield = params.coldef.field;   if (!_.isequal(oldvalue, newvalue)) {    if (!cellmetadata[recordkey]) {      cellmetadata[recordkey] = {};  }  if (!cellmetadata[recordkey][columnfield]) {    cellmetadata[recordkey][columnfield] = {};  }  cellmetadata[recordkey][columnfield].trackchanges = true; cellmetadata[recordkey][columnfield].tooltip =  columnfield.touppercase() + ' ' + 'changed from' + ' ' + oldvalue + ' '  + 'to' + ' ' + newvalue;

}

       params.api.redrawrows();   }

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