Spelling misteaks in code in README

[robogeek]

To take a look at your package I copy/pasted some code and ...

import { IndexedCollectionBase, CollectionIndex, CollectionViewBase } from 'indexed-colection';

This told me there was no such package. Spelling mistake.

class PeopleCollection extends IndexedCollectionBase {
  construtor() {
    super();
  ..
  }
  ..
}

This told me super had to be called from inside a constructor. Spelling mistake.

There may be other mistakes in the README, I haven't checked.

[robogeek]

Reading on, I see getBobby when the context clearly means getHobby

Also, there's some code that looks like top-level code but appears to be meant to be in the constructor:

e.g.

// Revise within PeopleCollection's constructor
const getHobby = (person) => person.hobbies;
getHobby.isMultiple = true;  // isMultiple = true indicates the value extracted is an array or a set of values

this.hobbyIndex = new CollectionIndex([getBobby]);
this.genderAndHobbyIndex = new CollectionIndex( [person => person.gender, getHobby] );

this.buildIndexes([
  this.genderIndex,
  this.hobbyIndex,
  this.genderAndHobbyIndex,
]);

Using this in top-level code does not make sense.

If this is meant to be in a constructor, then it should be presented that way.