var scale: any = function()

in src/lib/d3_scales.ts [87:114]

• 27 lines of code
• 9 McCabe index (conditional complexity)

    var scale: any = function(x: number): number {
        if (x == Infinity || x == -Infinity || isNaN(x)) {
            return scaleOutput(-1);
        }
        if (x > values[domain_idx[domain_idx.length - 1]]) {
            return scaleOutput(1.0);
        } else if (x < values[domain_idx[0]]) {
            return scaleOutput(0.0);
        }
        const upper = d3.bisectLeft(values, x, domain_idx[0], domain_idx[1]);
        var pctile = (upper - domain_idx[0]) / (domain_idx[1] - domain_idx[0]);
        if (values[upper] !== x && upper > domain_idx[0]) {
            // For example when rendering axis ticks
            const lower = upper - 1;
            const lowerV = values[lower];
            const upperV = values[upper];
            console.assert(lowerV != upperV, "values should be distinct", lowerV, upperV);
            console.assert(lowerV <= x && x <= upperV, `percentile_scale(${x}): lowerV=${lowerV}, x=${x}, upperV=${upperV}`, {
                'x': x,
                'values': values,
                'lower': lower,
                'domain_idx': domain_idx,
            });
            const a = (x - lowerV) / (upperV - lowerV);
            pctile = (lower + a) / (domain_idx[1] - domain_idx[0]);
        }
        return scaleOutput(pctile);
    };