Function buildSubTitle

docs/app/js/sanddance-app.js:148687–148736

(spec, _, userEncode, dataRef)

    }, userEncode);
}
function buildSubTitle(spec, _, userEncode, dataRef) {
    const zero2 = {
        value: 0
    }, text = spec.subtitle, encode = {
        enter: {
            opacity: zero2
        },
        update: {
            opacity: {
                value: 1
            }
        },
        exit: {
            opacity: zero2
        }
    };
    addEncoders(encode, {
        text: text,
        align: {
            signal: "item.mark.group.align"
        },
        angle: {
            signal: "item.mark.group.angle"
        },
        limit: {
            signal: "item.mark.group.limit"
        },
        baseline: "top",
        dx: _("dx"),
        dy: _("dy"),
        fill: _("subtitleColor"),
        font: _("subtitleFont"),
        fontSize: _("subtitleFontSize"),
        fontStyle: _("subtitleFontStyle"),
        fontWeight: _("subtitleFontWeight"),
        lineHeight: _("subtitleLineHeight")
    }, {
        // update
        align: _("align"),
        angle: _("angle"),
        baseline: _("baseline")
    });
    return guideMark({
        type: TextMark,
        role: TitleSubtitleRole,
        style: GroupSubtitleStyle,
        from: dataRef,
        encode
    }, userEncode);
}
function parseData(data, scope) {
    const transforms = [];
    if (data.transform) data.transform.forEach((tx)=>{