Function parseSignalUpdates

docs/app/js/sanddance-app.js:147243–147259

(signal, scope)

    };
}
function parseSignalUpdates(signal, scope) {
    const op = scope.getSignal(signal.name);
    let expr2 = signal.update;
    if (signal.init) {
        if (expr2) (0, _vegaUtil.error)("Signals can not include both init and update expressions.");
        else {
            expr2 = signal.init;
            op.initonly = true;
        }
    }
    if (expr2) {
        expr2 = (0, _vegaFunctions.parseExpression)(expr2, scope);
        op.update = expr2.$expr;
        op.params = expr2.$params;
    }
    if (signal.on) signal.on.forEach((_)=>parseUpdate(_, scope, op.id));
}
const transform = (name)=>(params, value9, parent)=>entry(name, value9, params || undefined, parent);
const Aggregate = transform("aggregate");
const AxisTicks = transform("axisticks");