Add support for stats.entrypoints[].childAssets

[loveky]

fix #934

[loveky]

travis ci is failing becaus the webpack version used in CI is forced to 4.0.0

[jantimon]

I couldn't find a way to get around the stats object for this.
And we just removed the stats object because the generation was very slow.

Any ideas how we might get around that?

[stale]

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[jimmydief]

@jantimon Is the call to getStats().toJson() still a concern if we were to make use of the optional options argument to pick and choose only the parts of the stats that we need? I've seen big perf improvements from doing so in our fairly large project (~6000 modules) as it can avoid serializing information about each individual asset.

toJson is documented here and its options are documented here. I think that we could get by with getStats().toJson({all: false, entrypoints: true}) in this case.

If that's acceptable, I might ask to tack chunks: true onto that list as well as I have some use cases for having that information available in the template.

[stale]

This issue had no activity for at least half a year. It's subject to automatic issue closing if there is no activity in the next 15 days.