Update dependency rollup to v2.39.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rollup (source)	2.37.1 -> 2.39.0

---

Release Notes

rollup/rollup

v2.39.0

Compare Source

2021-02-12

Features

• Add "validate" option to verify generated chunks are valid JavaScript (#​3952)

Bug Fixes

• Always add exports properties for uninitialized named exports (#​3957)
• Allow using an external namespace reexport together with named exports (#​3959)
• Avoid invalid generated code in certain scenarios with SystemJS exports (#​3960)

Pull Requests

• #​3952: implement validate output option and --validate CLI option (@​kzc)
• #​3956: Update dependencies, fix fsevents issue (@​lukastaegert)
• #​3957: Make sure uninitialised exports turn up via .hasOwnProperty for non-ES formats (@​lukastaegert)
• #​3959: Allow overriding individual exports of reexported external namespaces (@​lukastaegert)
• #​3960: Make sure system exports are valid JavaScript
  (@​lukastaegert)

v2.38.5

Compare Source

2021-02-05

Bug Fixes

• Prevent invalid code when simplifying assignments and delcarations (#​3951)
• Prevent behaviour-changing line-breaks when simplifying assignments in return statements (#​3951)
• Slightly improve white-space rendering when simplifying certain expressions (#​3951)

Pull Requests

• #​3951: Wrap simplified assignments if necessary (@​lukastaegert)

v2.38.4

Compare Source

2021-02-02

Bug Fixes

• Do not change logic when tree-shaking declarations in if statements or loops (#​3947)

Pull Requests

• #​3947: Do not tear apart declarations in loop or if bodies (@​lukastaegert)

v2.38.3

Compare Source

2021-02-01

Bug Fixes

• Prevent an unexpected live-binding when default exporting a synthetic named export (#​3946)

Pull Requests

• #​3945: Upgrade chokidar and fsevents for Apple M1 compatibility (@​threepointone)
• #​3946: Make sure default exports snapshot synthetic named exports (@​lukastaegert)

v2.38.2

Compare Source

2021-01-31

Bug Fixes

• Do not generate invalid code for partially tree-shaken declarations in for loops (#​3943)
• Always include function bodies of functions in side-effect-free modules (#​3944)

Pull Requests

• #​3943: Do not partially tree-shake unused declarations in for loops (@​lukastaegert)
• #​3944: Correctly include functions with side effects from side-effect-free modules (@​lukastaegert)

v2.38.1

Compare Source

2021-01-28

Bug Fixes

• Fix internal error when resolving a missing entry point in the browser build (#​3935)

Pull Requests

• #​3935: fix: remove isolated resolve() for compat with browser distribution (@​cmorten and @​lukastaegert)
• #​3936: Ensure test after() callback is always executed (@​Benjamin-Dobell)
• #​3937: Modernize references to other software (@​ludofischer)

v2.38.0

Compare Source

2021-01-22

Features

• Entirely remove declared variables that only have an initializer side effect (#​3933)

Pull Requests

• #​3933: Tree-shake unused declarations while keeping initializer side-effects (@​lukastaegert)

---

Renovate configuration

📅 Schedule: "monthly" in timezone Asia/Tokyo.

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.