Function parseAxis

docs/app/js/sanddance-app.js:149257–149307

(spec, scope)

    encode.enter.auto = autoX === autoY ? encoder(autoX) : ifX(orient, encoder(autoX), encoder(autoY));
}
function parseAxis(spec, scope) {
    const config = axisConfig(spec, scope), encode = spec.encode || {}, axisEncode = encode.axis || {}, name = axisEncode.name || undefined, interactive4 = axisEncode.interactive, style = axisEncode.style, _ = lookup(spec, config), band = tickBand(_); // single-element data source for axis group
    const datum = {
        scale: spec.scale,
        ticks: !!_("ticks"),
        labels: !!_("labels"),
        grid: !!_("grid"),
        domain: !!_("domain"),
        title: spec.title != null
    };
    const dataRef = ref(scope.add(Collect({}, [
        datum
    ]))); // data source for axis ticks
    const ticksRef = ref(scope.add(AxisTicks({
        scale: scope.scaleRef(spec.scale),
        extra: scope.property(band.extra),
        count: scope.objectProperty(spec.tickCount),
        values: scope.objectProperty(spec.values),
        minstep: scope.property(spec.tickMinStep),
        formatType: scope.property(spec.formatType),
        formatSpecifier: scope.property(spec.format)
    }))); // generate axis marks
    const children = [];
    let size; // include axis gridlines if requested
    if (datum.grid) children.push(axisGrid(spec, config, encode.grid, ticksRef, band));
     // include axis ticks if requested
    if (datum.ticks) {
        size = _("tickSize");
        children.push(axisTicks(spec, config, encode.ticks, ticksRef, size, band));
    } // include axis labels if requested
    if (datum.labels) {
        size = datum.ticks ? size : 0;
        children.push(axisLabels(spec, config, encode.labels, ticksRef, size, band));
    } // include axis domain path if requested
    if (datum.domain) children.push(axisDomain(spec, config, encode.domain, dataRef));
     // include axis title if defined
    if (datum.title) children.push(axisTitle(spec, config, encode.title, dataRef));
     // parse axis specification
    return parseMark(guideGroup({
        role: AxisRole,
        from: dataRef,
        encode: extendEncode(buildAxisEncode(_, spec), axisEncode, Skip),
        marks: children,
        aria: _("aria"),
        description: _("description"),
        zindex: _("zindex"),
        name,
        interactive: interactive4,
        style
    }), scope);
}
function buildAxisEncode(_, spec) {
    const encode = {
        enter: {},