Function getOperator

docs/app/js/sanddance-app.js:146531–146533

* Resolve an operator reference.

(_, ctx)

/**
 * Resolve an operator reference.
 */ function getOperator(_, ctx) {
    return ctx.get(_.$ref) || (0, _vegaUtil.error)("Operator not defined: " + _.$ref);
}
/**
 * Resolve an expression reference.
 */ function getExpression(_, ctx, params) {