Thanks for your help. My final code is it :
function main(workbook: ExcelScript.Workbook) {
let sheet = workbook.getActiveWorksheet();
var cont = 2;
const celdas = ['B10', 'C10', 'D10', 'E10', 'F10', 'G10', 'H10', 'I10', 'J10', 'K10', 'L10', 'M10'];
celdas.forEach(celda => {
let valCel = celda;
let startingCell = sheet.getRange(valCel);
var ranguito = "O" + cont.toString();
let rangeDataValue = sheet.getRange(ranguito).getValue() as string;
console.log(sumByColor(sheet.getRange("Q3"), sheet.getRange(rangeDataValue), startingCell))
cont = cont + 1;
});
}
function sumByColor(cellColor: ExcelScript.Range, rangeSum: ExcelScript.Range, writeCell: ExcelScript.Range) {
let value = 0;
let rowCount = rangeSum.getRowCount();
let columnCount = rangeSum.getColumnCount();
let colorToCheck = cellColor.getFormat().getFill().getColor();
// loop through each cell in rangeSum
for (let row = 0; row < rowCount; row++)
for (let column = 0; column < columnCount; column++) {
if (rangeSum.getCell(row, column).getFormat().getFill().getColor() == colorToCheck) {
var total = rangeSum.getCell(row, column).getValue() as string;
value = value + parseFloat(total);
}
}
writeCell.setValue(value);
console.log(value)
}