create-lbgcli1/template-h5/node_modules/underscore/modules/tap.js

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// Invokes `interceptor` with the `obj` and then returns `obj`.
// The primary purpose of this method is to "tap into" a method chain, in
// order to perform operations on intermediate results within the chain.
export default function tap(obj, interceptor) {
  interceptor(obj);
  return obj;
}