Function deltaValue

src/traces/indicator/plot.js:623–626

(d)

        var deltaPrefix = trace.delta.prefix;

        var deltaValue = function(d) {
            var value = trace.delta.relative ? d.relativeDelta : d.delta;
            return value;
        };
        var deltaFormatText = function(value, numberFmt) {
            if(value === 0 || typeof value !== 'number' || isNaN(value)) return '-';
            return (value > 0 ? trace.delta.increasing.symbol : trace.delta.decreasing.symbol) + deltaPrefix + numberFmt(value) + deltaSuffix;