Make esm amd loader a singleton#430
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aomarks merged 6 commits intoPolymer:esm-singletonfrom Jun 11, 2018
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June 8, 2018 21:35
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The esm-amd-loader relies on global state, but when it is injected twice the global state is reset.
Polyserve injects the loader multiple times, I'm not sure if polymer build does this as well. In any case it's good practice to return if it was already loaded.