Update @babel/core to 7.3.4

[renovate]

This PR contains the following updates:

Package	Type	Update	Change	References
@​babel/core	devDependencies	minor	7.2.2 -> 7.3.4	homepage, source
@​babel/preset-env	devDependencies	patch	7.3.1 -> 7.3.4	homepage, source

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Release Notes

babel/babel

v7.3.4

Compare Source

🐛 Bug Fix

• babel-parser
  • #​9572 Fix TypeScript parsers missing token check (#​9571) (@​elevatebart)
  • #​9521 Also check AssignmentPatterns for duplicate export name (@​danez)
• babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-proposal-class-properties, babel-traverse
  • #​9508 Use correct "this" in static fields (@​nicolo-ribaudo)
• babel-preset-env
  • #​9566 Closes #​9465 (@​zloirock)
• babel-types
  • #​9539 babel-types is* type checks accept null | undefiend as value TS type (@​ian-craig)
• babel-plugin-transform-block-scoping, babel-traverse
  • #​9532 Migrate some duplicate binding tests to traverse (@​danez)
• babel-generator
  • #​9524 Fix typescript generator params (@​tanhauhau)
  • #​9523 Fix flow babel-generator function parantheses (@​tanhauhau)

🏠 Internal

• Other
  • #​9561 Update CHANGELOG.md using the "Trigger GitHub release" action (@​nicolo-ribaudo)
• babel-plugin-proposal-object-rest-spread, babel-plugin-transform-modules-systemjs
  • #​9541 Enable eqeqeq rule in eslint (@​danez)
• babel-generator, babel-parser, babel-plugin-transform-flow-strip-types, babel-traverse
  • #​9522 Make tests spec compliant by avoiding duplicate declarations in input files (@​danez)
• babel-plugin-transform-proto-to-assign
  • #​9533 Add import/no-extraneous-dependencies to ESLint (@​nicolo-ribaudo)

v7.3.3

Compare Source

👓 Spec Compliancy

• babel-generator
  • #​9501 Correctly output escapes in directives (@​nicolo-ribaudo)

🐛 Bug Fix

• babel-parser
  • #​9477 Fix regression with let (@​danez)
  • #​9431 Typescript function destructured params (@​mhcgrq)
  • #​9463 Fix range for TypeScript optional parameter in arrow function (@​existentialism)

💅 Polish

• babel-plugin-proposal-class-properties, babel-plugin-transform-classes, babel-plugin-transform-parameters
  • #​9458 Fix duplicated assertThisInitialized calls in constructors (@​rubennorte)

🏠 Internal

• Other
  • #​9517 Add duplicate-package-checker-webpack-plugin (@​nicolo-ribaudo)
  • #​9469 Exclude generate @​babel/types files from coverage report (@​nicolo-ribaudo)
• babel-parser
  • #​9491 Better error output in parser tests (@​danez)

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