var addValue = function()

in src/infertypes.ts [262:278]


        var addValue = function(v) {
            if (v === undefined) {
                optional = true;
                return;
            }
            var is_special_num = is_special_numeric(v);
            setVals.push(v);
            // Detect non-numeric column
            if ((typeof v != "number" && !is_special_num && isNaN(v)) ||
                    v === true || v === false) {
                numeric = false;
                can_be_timestamp = false;
            }
            if (!Number.isSafeInteger(v) || v < 0) {
                can_be_timestamp = false;
            }
        }