Schema.prototype.indexes()

Returns:

• «Array» list of indexes defined in the schema

Returns a list of indexes that this schema declares, via schema.index() or by index: true in a path’s options.

Example:

const userSchema = new Schema({
  email: { type: String, required: true, unique: true },
  registeredAt: { type: Date, index: true }
});
// [ [ { email: 1 }, { unique: true, background: true } ],
//   [ { registeredAt: 1 }, { background: true } ] ]
userSchema.indexes();