Function parseTransform

docs/app/js/sanddance-app.js:148076–148083

* Parse a data transform specification.

(spec, scope)

/**
 * Parse a data transform specification.
 */ function parseTransform(spec, scope) {
    const def = (0, _vegaDataflow.definition)(spec.type);
    if (!def) (0, _vegaUtil.error)("Unrecognized transform type: " + (0, _vegaUtil.stringValue)(spec.type));
    const t = entry(def.type.toLowerCase(), null, parseParameters(def, spec, scope));
    if (spec.signal) scope.addSignal(spec.signal, scope.proxy(t));
    t.metadata = def.metadata || {};
    return t;
}
/**
 * Parse all parameters of a data transform.
 */ function parseParameters(def, spec, scope) {