* test: add console warn spy on register tests

* address review comments

* chore: refine yarn cache config

* fix: Circle CI does not support template on paths

* chore: manually update yarn cache key

* remove debug command

…ger (babel#11790)

* Replace lodash 'includes' usage with Array.prototype.includes

* Replace lodash 'values' usage with Object.values

* Replace lodash 'uniq' usage with Array.from(new Set(...))

* Property safety: ensure that ignoreSuites/ignoreTasks are populated prior to access

* Property safety: ensure that blacklistTypes is populated prior to access

* Revert "Replace lodash 'values' usage with Object.values"

This reverts commit 9fd3679.

* Replace lodash 'repeat' usage with String.prototype.repeat

* Replace lodash 'isinteger' usage with Number.isInteger

* Remove explicit lodash dependency from babel-generator package

* Update packages/babel-helper-transform-fixture-test-runner/src/index.js

Co-authored-by: Brian Ng <bng412@gmail.com>

* Rely on optional chaining operator as sole boolean check

* Handle additional optional chaining operator simplification

* Update type signature

Co-authored-by: Brian Ng <bng412@gmail.com>

* ensure only builders starting with lowercase are used

* update generate builders to have function name starting flow lowercase

* fix bug in deprecated builders

* remove comment about not yet discussed change in next major version

* Fix break/continue when switch is nested inside loop

* merge retCheck

* Replace lodash 'values' usage with Object.keys => .map(obj[key])

* Block scoping: refactor letReferences, outsideLetReferences as objects of type Map

* Remove lodash dependency from babel-plugin-transform-block-scoping

* Fixup: Add missing Object.keys call

* Fixup: Update remaining property accessors

* Coerce Map.values() iterator results into an array via spread operator

* Fixup: Map.put -> Map.set

* Fixup: undo incorrect variable de-duplication

* Replace array-spread-plus-map combination with Array.from call

* Extract an extendMap function as an attempt to create an optimization boundary

* Experiment: cast objects to string (eliminates one Map/object difference per https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map )

* Fixup: perform String cast on map keys, not values

* Revert "Fixup: perform String cast on map keys, not values"

This reverts commit abdd147.

* Revert "Experiment: cast objects to string (eliminates one Map/object difference per https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map )"

This reverts commit a4035c8.

* Experiment: filter keys via Object.prototype.hasOwnProperty.call

* Revert "Experiment: filter keys via Object.prototype.hasOwnProperty.call"

This reverts commit 491c093.

* Migrate back from Map-based reference storage to Object-based storage; access performance appears much improved for Object property access

* Revert "Migrate back from Map-based reference storage to Object-based storage; access performance appears much improved for Object property access"

This reverts commit 2119acc.

* Iterate over a clone of outsideRefs keys

* Revert "Extract an extendMap function as an attempt to create an optimization boundary"

This reverts commit 85689f2.

* Fixup: migrate remaining Object property access to Map.get in tdz module

Fixes babel#11813) (babel#11816)

…1814)

* refactor: reorganize babel types definitions structure

* chore: update generated artifacts

…wParameterList (babel#11847)

* chore: update CONTRIBUTING.md [skip ci]

* Update CONTRIBUTING.md [skip ci]

Co-authored-by: Brian Ng <bng412@gmail.com>

* Update CONTRIBUTING.md [skip ci]

Co-authored-by: Brian Ng <bng412@gmail.com>

* Apply suggestions from code review [skip ci]

Co-authored-by: Brian Ng <bng412@gmail.com>

Co-authored-by: Brian Ng <bng412@gmail.com>

* refactor: replace caniuse-db by mdn-browser-compat-data

* fix broken test

* fix: allow 09.1_1 and 09e1_1 in sloppy mode

* polish: avoid extra input source scanning

* chore: move comment [skip ci]

* chore: use modules: “auto”

* address review comments

Co-authored-by: coderaiser <coderaiser@cloudcmd.io>

* babel-traverse: prefer clearer, reduced-bias option naming

* Apply suggestions from code review

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

* docs: add DecimalLiteral to AST spec

* add decimal support

* fix: throw invalid decimal on start

* add DecimalLiteral type definitions

* update parser typings

* add generator support

* add syntax-decimal plugin

* Add syntax-decimal to babel-standalone

* add syntax-decimal to missing plugin helpers

* fix incorrect test macro

* chore: update espree test on nullish coalescing

* feat: add optional chaining support

* fix: adapt to estree AST shape

* chore: update lockfile

* add estree optional-chaining test fixtures

* address review comments

* chore: simplify smoke test

* export * support

Co-authored-by: Brian Ng <bng412@gmail.com>

* refactor: align with AST shape convention

* feat: print catch param type annotations

* test: add test case on transform

* TypeScript 4.0: Support labeled tuple elements

* More tests

* Disallow mixing labeled and unlabeled elements

* Update AST shape

* Enable test after rebase

* Allow labeled spread types

* Fix flow

* Add types and generator suport

* Update packages/babel-parser/src/plugins/typescript/index.js

* Prettier

* feat: add compat-data of proposal-export-namespace-from

* feat: add export-namespace-from to preset-env

* chore: update test fixtures

* address review comments

…abel#11869)

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>

* chore: update compat-table

* chore: friendly to node < 14 contributors

Co-Authored-By: Brian Ng <bng412@gmail.com>

Co-authored-by: Brian Ng <bng412@gmail.com>

* Upgrade to ESLint v7

* Upgrade eslint-plugin-import

* Update peer deps

* Remove max-len from ESLint config

* Update tests

* Only test babel-eslint-* packages in Node >=10

* Remove babel-eslint

* Fix linking in dev

* Add comment to Makefile

* Fix e2e tests

* Add --ignore-engines flag when installing in ESLint packages

* fix: convert tt.questionDot to Punctuator

* chore: update lockfile

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>

…ence (babel#11862)

* fix: check IdentifierReference in PropertyDefinition

* chore: add more test cases

* fix: incorrect test title

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

* draft: showConfig support

* feat: pass through showConfig command options

* update test file

* refactor: add createLogger to makeChainWalker

* serializing dynamic plugin instance

* fix flow errors

* chore: add tests on extended config

* fix: do not print empty presets

* add more test cases

* add windows testcases

* address review comments

* throw error when showConfigPath does not exist

* print reason when showConfig is targetting an ignored file

* remove showConfig: boolean

* refactor: simplify environment flag name

* rename test fixtures

* fix: throw when SHOW_CONFIG_FOR is not a regular file

* cleanup test fixtures

* add test on only

* Update packages/babel-core/src/config/files/configuration.js

Co-authored-by: Brian Ng <bng412@gmail.com>

* address review comments

* update test fixtures

* feat: sort config items in ascending priority

Co-authored-by: Brian Ng <bng412@gmail.com>

)

* - Added failing tests for issue babel#11885.

* - Fix issue babel#11885: absoluteRuntime does not work as expected with corejs3.

* - Removed helper code from test output files (tests for issue babel#11885).

* chore: add @babel/runtime-corejs3 to dev deps

* chore: update test fixtures

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>

* remove private flag, bump node and babel versions

* disallow submodule imports

* Revert "Do not automatically publish eslint packages (babel#10722)"

This reverts commit 5ca8acd.

# Conflicts:
#	Makefile
#	eslint/babel-eslint-parser/package.json
#	eslint/babel-eslint-plugin-development/package.json
#	lerna.json
#	scripts/integration-tests/publish-local.sh

* disable submodule imports for babel-eslint-config-internal

* chore: push back a bit to make tests happy

* test: add failing test for decorated declare

* fix: always strip declare from class fields

* test: add decorated-declare-properties test

)

* add support for logical assignments with private properties

Patches the logic for handling assignment operators and adds support for
handling the logical assignment operators appropriately.

Fixes: babel#11646

* replace hardcoded logical assignment operators with constant

Replace a hardcoded check for logical assignment operators with the
LOGICAL_OPERATORS constant in
plugin-proposal-logical-assignment-operators.

Refs: babel#11702 (comment)

…#11404)

* Skip TSAsExpression when transforming spread in CallExpression

* Create @babel/helper-get-call-context package

* Support OptionalCallExpressions

* Use helper in optional chaining plugin, and move tests

* Update package.json files

* Use dot notation to access property

* Remove private method tests until future MR

* Update packages/babel-plugin-transform-spread/package.json

* Rename @babel/helper-get-call-context to @babel/helper-skip-transparent-expr-wrappers

* Handle typed OptionalMemberExpressions

* Make @babel/helper-skip-transparent-expr-wrappers a dependency

* Support TSNonNullExpressions

* Use named import instead of default

* Add test for call context when parenthesized call expression has type

* Improve handling of member expressions inside transparent expression wrappers

* Add comment explaining what a transparent expression wrapper is

* Add newlines to test fixtures

* Pass correct parameter type to skipTransparentExprWrappers

* Rename to babel-helper-skip-transparent-expression-wrappers

* Remove getCallContext helper

* Fixed exports key

* Preserve types in babel-plugin-transform-spread tests

* Use external-helpers to avoid inlining helper functions in tests

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

…bel#11896)

* update: change babel-eslint-parser version mismatch error to log

* Bump @babel/core version

* Change to 7.2.0

* Add period to error message

…abel#11901)

* chore: remove extra install step for eslint packages

* chore: update babel deps

* refactor: parseMaybeUnary => parseUnary

* refactor: extract shouldExitDescending method

* refactor: add parseUpdate

* refactor: avoid comparing with hardcoded token value

* refactor: add ParseNewOrNewTarget

* refactor: add parseCoverCallAndAsyncArrowHead

* add parseBind

* refactor: polish parseTaggedTemplateExpression interface

* refactor: add parseMember method

* refactor: add parseSuper method

* refactor: add parseAsyncArrowUnaryFunction method

* fix: disallow line break before async binding arrow

* refactor: simplify tt.name logic

* refactor: add parseDo method

* refactor: misc

* refactor: rename parseObjectMember by parsePropertyDefinition

* refactor: unify set/get/async keyword parsing in ObjectMethod

* refactor: misc

* refactor: add parseArrayLike method

* refactor: move fsharp epilogure and prologue inside parseObjectLike

* fixup

* refactor: rename parseFunctionExpression to parseFunctionOrFunctionSent

* refactor: remove redundant logic

* refactor: rename parseClassPropertyName by parseClassElementName

* refactor: avoid unecessary lookahead when parsing tt._export

* fix: export-default-from should support escaped async as export binding

* address review comments

* parseUnary -> parseMaybeUnary

* refactor: move inType checks to flow plugin

* polish: replace hardcoded char codes

* fix: rescan greater/less token after asExpression is parsed

* refactor: avoid unnecessary property access

* refactor: `else` is redundant because keyName is const

* Support ConditionalExpressions in dry-error-messages rule

* tests

* refactor: add recoverable error on accessorIsGenerator

* Update packages/babel-parser/src/parser/error-message.js

Co-authored-by: Brian Ng <bng412@gmail.com>

* Apply suggestions from code review

Co-authored-by: Brian Ng <bng412@gmail.com>

* refactor: move isLookaheadRelational to flow plugins

* refactor: simplify isLookaheadRelational to isLookaheadToken_lt

* refactor: track [In] parameter in prodParam

* Apply suggestions from code review

* chore: enable flowcheck on CI

* fix: flow errors

* Run exec tests in fresh contexts

* Reevaluate modules in every context

* Cache module code when running tests

* Eliminate weakmap accesses as much as possible

* Remove old multiline usage

* Using bundled polyfill to significantly increase performance

The individual requires for each file were the part that was sooooo slow.

* Drop LRU cache size

* Fixes

* Fix test

Co-authored-by: Huáng Jùnliàng <jlhwung@gmail.com>

* fix: push new token context when braceHashL is seen

* Update packages/babel-parser/src/tokenizer/context.js

* replace lineBreak.test by hasPrecedingLingBreak

* refactor: simplify updateContext

* remove unused codes

* refactor: remove unused parseAccessModifier

* refactor: remove redundant async function checks

* refactor: remove redundant class check in checkExport

* add more parser test cases

* Update packages/babel-parser/src/parser/statement.js

Co-authored-by: Brian Ng <bng412@gmail.com>

* chore: add sourceType: unambiguous test

Co-authored-by: Brian Ng <bng412@gmail.com>

* chore: run node 6 and 8 test on GitHub actions

* fix: apply dynamicImportUrlToPath polyfill on publish

* Apply hacks unconditionally

* try fix highlight issues

* address review comments

* chore: add test-legacy build env

* Update .travis.yml [skip ci]

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>