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Add supportsTopLevelAwait to caller #814

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merged 2 commits into from
Feb 26, 2020
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Please check if the PR fulfills these requirements

  • Tests for the changes have been added (for bug fixes / features)
  • Docs have been added / updated (for bug fixes / features)

What kind of change does this PR introduce? (Bug fix, feature, docs update, ...)

  • Bugfix
  • Feature
  • Code style update (formatting, local variables)
  • Refactoring (no functional changes, no api changes)
  • Build related changes
  • CI related changes
  • Other... Please describe:

What is the new behavior?

Babel 7.7.0 will have support for parsing top-level await expressions. Since webpack 5 has experimental support for top-level await, it can be enabled by default in Babel.
If the experimental.topLevelAwait flag isn't enabled in webpack, Babel will parse it and then webpack will generate an error suggesting to enable that option.

Does this PR introduce a breaking change?

  • Yes
  • No

Other information:

I didn't add a test because

  1. Babel 7.7 isn't released yet
  2. I couldn't get TLA to work in webpack, even without using Babel.

src/injectCaller.js Outdated Show resolved Hide resolved
@nicolo-ribaudo nicolo-ribaudo self-assigned this Jan 30, 2020
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3 participants