[Snyk] Upgrade core-js from 2.6.9 to 3.4.7

[snyk-bot]

Snyk has created this PR to upgrade core-js from 2.6.9 to 3.4.7.

ℹ️ Keep your dependencies up-to-date. This makes it easier to fix existing vulnerabilities and to more quickly identify and fix newly disclosed vulnerabilities when they affect your project.

---

Warning: This is a major version upgrade, and may be a breaking change.

• The recommended version is 50 versions ahead of your current version.
• The recommended version was released 9 days ago, on 2019-12-02.

Release notes

Package name: core-js

• 3.4.7 - 2019-12-02
  
  • Fixed an NPM publishing issue
• 3.4.6 - 2019-12-02
  
  • Improved iOS compat data - added missed mapping iOS 12.2 -> Safari 12.1, added bug fixes from patch releases
  • Added Safari 13.1 compat data
  • Added missed in core-js-compat helpers ie_mob normalization
  • Normalize the result of getModulesListForTargetVersion core-js-compat helper
  • Improved CI detection in the postinstall script, #707
• 3.4.5 - 2019-11-27
  
  • Detect incorrect order of operations in Object.assign, MS Edge bug
  • Detect usage of ToLength in Array#{ filter, map }, FF48-49 and MS Edge 14- issues
  • Detect incorrect MS Edge 17-18 Reflect.set which allows setting the property to object with non-writable property on the prototype
  • Fixed inspectSource helper with multiple core-js copies and some related features like some edge cases of Promise feature detection
• 3.4.4 - 2019-11-27
  
  • Added feature detection for Safari non-generic Promise#finally bug (critical for core-js-pure)
  • Fixed missed esnext.string.code-points in core-js/features/string entry point
  • Updated Iterator proposal feature detection for the case of non-standard Iterator in FF44-
• 3.4.3 - 2019-11-26
  
  • Fixed missed es.json.stringify and some modules from iteration helpers proposal in some entry points
  • Added a workaround of String#{ endsWith, startsWith } MDN polyfills bugs, #702
  • Fixed .size property descriptor of Map / Set in the pure version
  • Refactoring, some internal improvements
• 3.4.2 - 2019-11-21
  
  • Don't use polyfilled symbols as internal uids, a workaround for some incorrect use cases
  • String#replaceAll is available only in nightly FF builds
  • Improved Promise feature detection for the case of V8 6.6 with multiple core-js copies
  • Some internals optimizations
  • Added Node 13.2 -> V8 7.9 compat data mapping
  • Returned usage of node -e in postinstall scripts
• 3.4.1 - 2019-11-12
  
  • Throw when (Async)Iterator#flatMap mapper returns a non-iterable, per tc39/proposal-iterator-helpers/55 and tc39/proposal-iterator-helpers/59
  • Removed own AggregateError#toString, per tc39/proposal-promise-any/49
  • Global core-js Promise polyfill passes feature detection in the pure versions
  • Fixed indexes in String#replaceAll callbacks
  • String#replaceAll marked as supported by FF72
• 3.4.0 - 2019-11-06
  
  • Added well-formed JSON.stringify, ES2019 feature, thanks @ExE-Boss and @WebReflection for the idea
  • Fixed Math.signbit, #687, thanks @chicoxyzzy
• 3.3.6 - 2019-10-31
  
  • Don't detect Chakra-based Edge as Chrome in the userAgent parsing
  • Fixed inheritance in typed array constructors wrappers, #683
  • Added one more workaround for correct work of early fetch implementations with polyfilled URLSearchParams, #680
• 3.3.5 - 2019-10-28
  
  • Added a workaround of V8 deoptimization which causes serious performance degradation (~4x in my tests) of Array#concat, #679
  • Added a workaround of V8 deoptimization which causes slightly performance degradation of Promise, #679
  • Added (Async)Iterator.prototype.constructor -> (Async)Iterator per this issue
  • Added compat data for Chromium-based Edge
• 3.3.4 - 2019-10-25
• 3.3.3 - 2019-10-21
• 3.3.2 - 2019-10-14
• 3.3.1 - 2019-10-13
• 3.3.0 - 2019-10-13
• 3.2.1 - 2019-08-12
• 3.2.0 - 2019-08-08
• 3.1.4 - 2019-06-15
• 3.1.3 - 2019-05-27
• 3.1.2 - 2019-05-21
• 3.1.1 - 2019-05-20
• 3.1.0 - 2019-05-19
• 3.0.1 - 2019-04-06
• 3.0.0 - 2019-03-19
• 3.0.0-beta.20 - 2019-03-17
• 3.0.0-beta.19 - 2019-03-14
• 3.0.0-beta.18 - 2019-03-09
• 3.0.0-beta.17 - 2019-03-09
• 3.0.0-beta.16 - 2019-02-18
• 3.0.0-beta.15 - 2019-02-09
• 3.0.0-beta.14 - 2019-02-07
• 3.0.0-beta.13 - 2019-02-04
• 3.0.0-beta.12 - 2019-02-02
• 3.0.0-beta.11 - 2019-01-27
• 3.0.0-beta.10 - 2019-01-22
• 3.0.0-beta.9 - 2019-01-17
• 3.0.0-beta.8 - 2019-01-10
• 3.0.0-beta.7 - 2018-12-27
• 3.0.0-beta.6 - 2018-12-18
• 3.0.0-beta.5 - 2018-12-11
• 3.0.0-beta.4 - 2018-12-04
• 3.0.0-beta.3 - 2018-06-07
• 3.0.0-beta.2 - 2018-05-26
• 3.0.0-beta.1 - 2018-05-19
• 3.0.0-alpha.4 - 2018-04-09
• 3.0.0-alpha.3 - 2018-03-30
• 3.0.0-alpha.2 - 2018-03-27
• 3.0.0-alpha.1 - 2018-03-26
• 2.6.11 - 2019-12-08
• 2.6.10 - 2019-10-13
• 2.6.9 - 2019-05-27

from core-js GitHub release notes

---

Note: You are seeing this because you or someone else with access to this repository has authorized Snyk to open upgrade PRs.

For more information:

🧐 View latest project report

🛠 Adjust upgrade PR settings

🔕 Ignore this dependency or unsubscribe from future upgrade PRs