Function applyDefaults

docs/app/js/sanddance-app.js:146889–146916

(encode, type, role, style, config)

const TitleTextRole = "title-text";
const TitleSubtitleRole = "title-subtitle";
function applyDefaults(encode, type, role, style, config) {
    const defaults1 = {}, enter = {};
    let update, key1, skip, props1; // if text mark, apply global lineBreak settings (#2370)
    key1 = "lineBreak";
    if (type === "text" && config[key1] != null && !has(key1, encode)) applyDefault(defaults1, key1, config[key1]);
     // ignore legend and axis roles
    if (role == "legend" || String(role).startsWith("axis")) role = null;
     // resolve mark config
    props1 = role === FrameRole ? config.group : role === MarkRole ? (0, _vegaUtil.extend)({}, config.mark, config[type]) : null;
    for(key1 in props1){
        // do not apply defaults if relevant fields are defined
        skip = has(key1, encode) || (key1 === "fill" || key1 === "stroke") && (has("fill", encode) || has("stroke", encode));
        if (!skip) applyDefault(defaults1, key1, props1[key1]);
    } // resolve styles, apply with increasing precedence
    (0, _vegaUtil.array)(style).forEach((name)=>{
        const props = config.style && config.style[name];
        for(const key in props)if (!has(key, encode)) applyDefault(defaults1, key, props[key]);
    });
    encode = (0, _vegaUtil.extend)({}, encode); // defensive copy
    for(key1 in defaults1){
        props1 = defaults1[key1];
        if (props1.signal) (update = update || {})[key1] = props1;
        else enter[key1] = props1;
    }
    encode.enter = (0, _vegaUtil.extend)(enter, encode.enter);
    if (update) encode.update = (0, _vegaUtil.extend)(update, encode.update);
    return encode;
}
function applyDefault(defaults2, key, value2) {
    defaults2[key] = value2 && value2.signal ? {
        signal: value2.signal