Make esm amd loader a singleton#430

Merged

aomarks merged 6 commits intoPolymer:esm-singletonfrom

LarsDenBakker:feature/singleton-esm-amd-loader

Jun 11, 2018

Commits on Jun 3, 2018

Don't run loader if it was already loaded
Lars den Bakker
committed
Update goldens
Lars den Bakker
committed

Commits on Jun 8, 2018

Merge branch 'master' of https://github.com/Polymer/tools into feature/singleton-esm-amd-loader
Lars den Bakker
committed
Update goldens
Lars den Bakker
committed
bootstrap
Lars den Bakker
committed

Commits on Jun 11, 2018

Merge branch 'esm-singleton' into feature/singleton-esm-amd-loader
aomarks
authored