Add `noConflict`

Feature Request

Describe the solution you’d like A flag to add static noConflict method for a global export, that returns new instance of exported value

Describe alternatives you’ve considered None that i can imagine

Teachability, Documentation, Adoption, Migration Strategy Used by jQuery https://github.com/jquery/jquery/blob/c9aae3565edc840961ecbeee77fb0cb367c46702/src/exports/global.js#L15-L25 Rollup seems have similar feature under --noConflict option

So it would be useful, for libs developers that want support same pattern

Should be relatively easy to support, since all we need is to add (pseudo code)

var `old${moduleNameOrBasename}` = globalToAssign;

`${globalToAssign}.noConflict` = function() {
  `${globalToAssign}` = `old${moduleNameOrBasename}`;

  return `${moduleNameOrBasename}`;
};

[ogonkov]

It is extension to umd plugin

[skyrpex]

Oh sorry, didn’t know it even existed.