Upgrade buble to version 0.20.0

[depfu]

Here is everything you need to know about this upgrade. Please take a good look at what changed and the test results before merging this pull request.

What changed?

✳️ buble (^0.19.8 → ^0.20.0) · Repo · Changelog

Release Notes

0.20.0 (from changelog)

• Breaking: Drop Node v4 && v6 testing on CI; Buble will likely continue to work on these versions, but support for them is no longer actively maintained. #250
• Fix recognition of catch-declared variables (#237)
• Prevent labels from being renamed due to let/const transpilation. (#236)
• Fix scoping of variables declared in for loops. (#233)
• Fix an error when transpiling for (a[0] in b). (#232)
• Fix an error when transpiling for with an empty init. (#226)
• Fix let/const transpilation when combined with shorthand properties. (#229)
• Fix JSX not respecting advanced white space characters. (#218)
• Fix name collision when transpiling A = class extends A {}. (#209)
• Fix os-homedir dependency warnings on install. (#207)
• Upgrade dependencies to their latest patch versions, fixing security audit warnings. (#250)

Does any of this look wrong? Please let us know.

Commits

See the full diff on Github. The new version differs by 13 commits:

• 0.20.0
• prepare changelog for v0.20.0
• Fix recognition of catch-declared variables (#237)
• Prevent labels from being renamed due to let/const transpilation. (#236)
• Clean up and upgrade dependencies (#250)
• Fix scoping of variables declared in for loops. (#233)
• Fix `handlers[node.type] is not a function` error in for...in loops. (#232)
• fix(for-statement): exception on null init (#226)
• set expectations (#221)
• fix: make letConst transpilation add explicit keys when appropriate (#229)
• fix: Make JSX respect advanced white-space characters (fixes #217) (#218)
• Fix name collision in `A = class extends A {}` (#209)
• get rid of os-homedir dep (#207)

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[coveralls]

Pull Request Test Coverage Report for Build 1352

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 93.502%

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Totals
Change from base Build 1342:	0.0%
Covered Lines:	690
Relevant Lines:	720

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💛 - Coveralls