Function formatFloat

docs/app/js/sanddance-app.js:109986–110001

(spec)

        format,
        formatPrefix,
        formatFloat (spec) {
            const s = (0, _d3Format.formatSpecifier)(spec || ",");
            if (s.precision == null) {
                s.precision = 12;
                switch(s.type){
                    case "%":
                        s.precision -= 2;
                        break;
                    case "e":
                        s.precision -= 1;
                        break;
                }
                return trimZeroes(format(s), format(".1f")(1)[1] // decimal point character
                );
            } else return format(s);
        },
        formatSpan (start, stop, count, specifier) {
            specifier = (0, _d3Format.formatSpecifier)(specifier == null ? ",f" : specifier);
            const step = (0, _d3Array.tickStep)(start, stop, count), value = Math.max(Math.abs(start), Math.abs(stop));