v7.5.3

[_objectSpread2] Do not use hoisted var from prev iteration (#10180 )
Add v7.5.2 to CHANGELOG.md [skip ci]
2019-07-09 16:41:44 +02:00 · 2019-07-09 16:38:40 +02:00 · 2019-07-08 19:53:06 +00:00 · 2019-07-08 21:46:49 +02:00 · 2019-07-08 21:44:26 +02:00 · 2019-07-07 11:24:36 +02:00
535 changed files with 12068 additions and 2716 deletions
--- a/.github/CHANGELOG-6to5.md
+++ b/.github/CHANGELOG-6to5.md
@@ -84,7 +84,7 @@
  * More performance improvements.
  * Parsing is now ~30% faster thanks to [marijnh/acorn@7264bc0178e7e6af7cfe02e9e0c6b26ee0e6007f](https://github.com/marijnh/acorn/commit/7264bc0178e7e6af7cfe02e9e0c6b26ee0e6007f).
 * **New Feature**
-  * Optional `es6.blockScopingTDZ` is now completely functional and handles all edgecases.
+  * Optional `es6.blockScopingTDZ` is now completely functional and handles all edge cases.
  * `super` in object literals.
  * Tail call optimisation. Thanks [@RReverser](https://github.com/RReverser)!

@@ -474,7 +474,7 @@
 * **Polish**
  * Rest parameters now allocate the array before populating.
 * **Internal**
-  * `for...in` loops have been changed to optimized `for` loops - better performance and no enumeration of protoype keys.
+  * `for...in` loops have been changed to optimized `for` loops - better performance and no enumeration of prototype keys.
  * Parts of the code generator have now been optimized thanks to [gaearon](https://github.com/gaearon).

 ## 2.12.3
@@ -643,7 +643,7 @@

 * **Bug Fix**
  * Better handling of number literal property keys.
-  * Handle `NewExpression` paren insertion edegcases better.
+  * Handle `NewExpression` paren insertion edge cases better.
 * **Internal**
  * Fix incorrect AST node `identifier("this")`.
  * Better `toIdentifier` method that handles reserved words.
@@ -850,7 +850,7 @@

 ## 1.14.10

- * Fix let scoping unneccesary override.
+ * Fix let scoping unnecessary override.

 ## 1.14.6

@@ -973,7 +973,7 @@

 ## 1.12.21

- * Fix unneccesary let scoping replacement.
+ * Fix unnecessary let scoping replacement.
 * Add `commonInterop` module formatter. Thanks [@Naddiseo](https://github.com/Naddiseo).
 * Fix `return` outside of function body bug. Thanks [@brentburg](https://github.com/brentburg).
 * Add more flexible option types.
@@ -1020,7 +1020,7 @@

 ## 1.12.12

- * Make scope tracker more reliable to handle all edgecases.
+ * Make scope tracker more reliable to handle all edge cases.

 ## 1.12.11

--- a/.github/CHANGELOG-v4.md
+++ b/.github/CHANGELOG-v4.md
@@ -127,7 +127,7 @@
 ## 4.6.4

 * **Bug Fix**
-  * Fix `ForOfStatement` not proplery inheriting labels.
+  * Fix `ForOfStatement` not properly inheriting labels.
  * When in closure mode in block scoping transformer, properly check for variable shadowing.
 * **New Feature**
  * New `utility.inlineEnvironmentVariables` and `utility.inlineExpression` transformers.
@@ -153,7 +153,7 @@
 * **Spec Compliancy**
  * `for...of` now outputs in a lengthy `try...catch` this is to ensure spec compliancy in regards to iterator returns and abrupt completions. See [google/traceur-compiler#1773](https://github.com/google/traceur-compiler/issues/1773) and [babel/babel/#838](https://github.com/babel/babel/issues/838) for more information.
 * **Polish**
-  * Rest parameters that are only refered to via number properties on member expressions are desugared into a direct `arguments` reference. Thanks [@neVERberleRfellerER](https://github.com/neVERberleRfellerER)!
+  * Rest parameters that are only referred to via number properties on member expressions are desugared into a direct `arguments` reference. Thanks [@neVERberleRfellerER](https://github.com/neVERberleRfellerER)!
  * `$ babel` no longer exits on syntax errors.
 * **Internal**
  * Upgrade `browserify`.
--- a/.github/CHANGELOG-v5.md
+++ b/.github/CHANGELOG-v5.md
@@ -262,8 +262,8 @@ Issues with publish process.
  * Register labels as bindings to fix undeclared variable checks.
 * **Polish**
  * Remove unnecessary string binary expressions when transforming template literals.
-  * Support module live bindings in arbitary positions not in Program statement position.
-  * Throw error when attemping to replace a `Program` root node with another node not of type `Program`.
+  * Support module live bindings in arbitrary positions not in Program statement position.
+  * Throw error when attempting to replace a `Program` root node with another node not of type `Program`.
  * Optimise rest parameters in spread element position and allocate rest array at the earliest common ancestor of all references.
  * Generate original number representation when value was not changed.
  * Check for invalid binding identifiers when generating inferred method names.
@@ -543,12 +543,12 @@ Issues with publish process.
 * **Internal**
  * Removed native inheritance support from classes.
  * Added `replaceWithSourceString` path API.
-  * Split up `es3.propertyLiterals` and `es3.memberExpressionLiterals` transformers to `minfication.propertyLiterals` and `es3.memberExpressionLiterals`.
+  * Split up `es3.propertyLiterals` and `es3.memberExpressionLiterals` transformers to `minification.propertyLiterals` and `es3.memberExpressionLiterals`.

 ## 5.2.6

 * **Internal**
-  * Fix transformer aliases being accidently set as deprecated ones.
+  * Fix transformer aliases being accidentally set as deprecated ones.
  * Expose `Pipeline` as `TransformerPipeline` instead.

 ## 5.2.5
@@ -824,10 +824,10 @@ Issues with publish process.
  * Save register cache on tick instead of `SIGINT`.
  * Enable strict mode on babel-node eval flag.
 * **Bug Fixes**
-  * Add support for live bindings. This change also increases the reliablity of export specifier renaming.
+  * Add support for live bindings. This change also increases the reliability of export specifier renaming.
  * Add support for super update and non equals assignment expressions.
  * Rename shadow constructor binding in classes.
-  * Seed next iteration bindings with previous fresh bindings when reassinging loop block scoped variables.
+  * Seed next iteration bindings with previous fresh bindings when reassigning loop block scoped variables.
  * Fix new expression spread referencing the wrong constructor.
  * Call `resolveModuleSource` on dynamic imports.
  * Added `param` to list of duplicate declaration kinds.
@@ -836,4 +836,3 @@ Issues with publish process.
  * ES7 Abstract References have been removed.
  * Experimental option has been removed in favor of a stage option.
  * Rename `returnUsedHelpers` to `metadataUsedHelpers`.
-  
--- a/.github/CHANGELOG-v6.md
+++ b/.github/CHANGELOG-v6.md
@@ -19,7 +19,7 @@

 ## 6.26.0 (2017-08-16)

-> Backports for some folks (also other's when we accidently merged PRs from both 6.x/master)
+> Backports for some folks (also other's when we accidentally merged PRs from both 6.x/master)
 > Lesson learned: just use `master` and backport on another branch.

 #### :eyeglasses: Spec Compliancy
@@ -1767,7 +1767,7 @@ typeof Symbol.prototype === 'object'
  * [#3456](https://github.com/babel/babel/pull/3456) Use the real sourcemap API and handle input sourcemaps - Fixes [#7259](https://github.com/babel/babel/issues/7259). ([@loganfsmyth](https://github.com/loganfsmyth))
  * [#4507](https://github.com/babel/babel/pull/4507) Only set options in cli if different from default. ([@danez](https://github.com/danez))

-Fix an issue with defaults not being overidden. This was causing options like `comments: false` not to work correctly.
+Fix an issue with defaults not being overridden. This was causing options like `comments: false` not to work correctly.

  * [#4508](https://github.com/babel/babel/pull/4508) Support custom ports for V8 --inspect. ([@andykant](https://github.com/andykant))
  * [#4562](https://github.com/babel/babel/pull/4562) Fixes [#2299](https://github.com/babel/babel/issues/2299): Prevent REPL from printing implicit 'use strict'. ([@hzoo](https://github.com/hzoo))
@@ -2084,7 +2084,7 @@ Also added more tests and will update Babel to use the new preset options after

 ## v6.13.1 (2016-08-04)

-We had a regression in our new babel-preset-es2015@6.13.0 that made it unexpectedly backward-incompatible. This release introduces a new alternative plugin-options approach that is uglier but supports backward-compatiblity. Ideally new plugins would use the new `module.exports = function(babel, options){ }` approach and simple skip supporting `babel-core@<6.13.x`.
+We had a regression in our new babel-preset-es2015@6.13.0 that made it unexpectedly backward-incompatible. This release introduces a new alternative plugin-options approach that is uglier but supports backward-compatibility. Ideally new plugins would use the new `module.exports = function(babel, options){ }` approach and simple skip supporting `babel-core@<6.13.x`.

 #### Bug Fix
 * `babel-core`, `babel-preset-es2015`
@@ -2092,7 +2092,7 @@ We had a regression in our new babel-preset-es2015@6.13.0 that made it unexpecte

 ## v6.13.0 (2016-08-04)

-> Since the last release we've created https://github.com/babel/notes to track discussions on our slack and high level features/changes that could be added - definetely check it out if you're interested in Babel's development!
+> Since the last release we've created https://github.com/babel/notes to track discussions on our slack and high level features/changes that could be added - definitely check it out if you're interested in Babel's development!

 Some small but very important additions in this release:

@@ -3817,7 +3817,7 @@ Thanks to @samwgoldman for all the new flow support!
 * **New Feature**
  * Add support for `function.sent`.
 * **Internal**
-  * Bump `invariant` depenency version.
+  * Bump `invariant` dependency version.
 * **Polish**
  * Infer filename from the base directory when resolving plugins and presets.
  * Allow JSX pragma to be specified in line comments.
@@ -3887,7 +3887,7 @@ Thanks to @samwgoldman for all the new flow support!
 ## 6.1.2

 * **Bug Fix**
-  * Fix bug where the parser wouldn't allow typed annotated default parametesr in arrow functions.
+  * Fix bug where the parser wouldn't allow typed annotated default parameters in arrow functions.
  * Add existence check to `NodePath#has` to ensure safeness when making comparisons.
  * Protect against replacing a class expression with a name inferred version that would
    result in it never being transformed.
@@ -3976,7 +3976,7 @@ Thanks to @samwgoldman for all the new flow support!
  * Fix SystemJS module formatter exporting function parameters.
  * Ensure that invalid identifier JSX attribute keys are quoted when transforming to calls.
  * Fix ES3 property literal plugin.
-  * Fix parameters after defaults in arrow functions refering to the wrong `arguments`.
+  * Fix parameters after defaults in arrow functions referring to the wrong `arguments`.

 ## 6.0.13

--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -18,6 +18,139 @@ See [Babylon's CHANGELOG](packages/babylon/CHANGELOG.md) for the Babylon pre-7.0
 <!-- DO NOT CHANGE THESE COMMENTS - See .github/actions/trigger-github-release/update-changelog.js -->
 <!-- insert-new-changelog-here -->

+## v7.5.2 (2019-07-08)
+
+#### :bug: Bug Fix
+* `babel-plugin-transform-typescript`
+  * [#10174](https://github.com/babel/babel/pull/10174) Do not trust Scope when removing TypeScript types ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+* `babel-helpers`, `babel-plugin-proposal-object-rest-spread`, `babel-preset-env`
+  * [#10171](https://github.com/babel/babel/pull/10171) Don't rely on getOwnPropertyDescriptors in objectSpread2 ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+* `babel-plugin-proposal-export-default-from`, `babel-plugin-proposal-export-namespace-from`
+  * [#10172](https://github.com/babel/babel/pull/10172) fix: register injected importDeclaration ([@JLHwung](https://github.com/JLHwung))
+
+## v7.5.1 (2019-07-06)
+
+#### :bug: Bug Fix
+* `babel-helpers`, `babel-plugin-proposal-object-rest-spread`
+  * [#10170](https://github.com/babel/babel/pull/10170) Fix objectSpread2 backward compatibility ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+* `babel-plugin-transform-typescript`
+  * [#10167](https://github.com/babel/babel/pull/10167) Retain typescript export-from-source ([@Wolvereness](https://github.com/Wolvereness))
+
+## v7.5.0 (2019-07-04)
+
+#### :eyeglasses: Spec Compliance
+* `babel-parser`
+  * [#10099](https://github.com/babel/babel/pull/10099) Disallow "let" as name at lexical bindings ([@g-plane](https://github.com/g-plane))
+
+#### :rocket: New Feature
+* `babel-parser`
+  * [#10091](https://github.com/babel/babel/pull/10091) BigInt type for Flow ([@tanhauhau](https://github.com/tanhauhau))
+  * [#9450](https://github.com/babel/babel/pull/9450) Implement f# pipeline in parser ([@mAAdhaTTah](https://github.com/mAAdhaTTah))
+  * [#9912](https://github.com/babel/babel/pull/9912) [legacy decorators] Allow decorating generator methods ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+  * [#9864](https://github.com/babel/babel/pull/9864) [@babel/parser] Add "allowUndeclaredExports" option ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+* `babel-plugin-proposal-dynamic-import`, `babel-preset-env-standalone`, `babel-preset-env`
+  * [#10109](https://github.com/babel/babel/pull/10109) Add @babel/plugin-proposal-dynamic-import to @babel/preset-env ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+* `babel-plugin-proposal-dynamic-import`, `babel-plugin-transform-modules-amd`, `babel-plugin-transform-modules-commonjs`, `babel-plugin-transform-modules-systemjs`
+  * [#9552](https://github.com/babel/babel/pull/9552) Create @babel/plugin-proposal-dynamic-import ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+* `babel-plugin-proposal-pipeline-operator`, `babel-plugin-syntax-pipeline-operator`
+  * [#9984](https://github.com/babel/babel/pull/9984) Transform for F# Pipeline ([@thiagoarrais](https://github.com/thiagoarrais))
+* `babel-plugin-transform-typescript`, `babel-types`
+  * [#9785](https://github.com/babel/babel/pull/9785) Implement TypeScript namespace support ([@Wolvereness](https://github.com/Wolvereness))
+
+#### :bug: Bug Fix
+* `babel-plugin-proposal-do-expressions`, `babel-traverse`
+  * [#10072](https://github.com/babel/babel/pull/10072) fix await and yield for do expression ([@tanhauhau](https://github.com/tanhauhau))
+* `babel-helpers`, `babel-plugin-transform-react-constant-elements`
+  * [#10155](https://github.com/babel/babel/pull/10155) Added es3 backward compatibility for react helper code ([@sormy](https://github.com/sormy))
+* `babel-preset-env`
+  * [#10127](https://github.com/babel/babel/pull/10127) Bump compat-table and updating preset-env mappings ([@existentialism](https://github.com/existentialism))
+  * [#8897](https://github.com/babel/babel/pull/8897) Allow `defaults` query in preset-env ([@existentialism](https://github.com/existentialism))
+* `babel-parser`
+  * [#10132](https://github.com/babel/babel/pull/10132) fix import typeof in declare module ([@tanhauhau](https://github.com/tanhauhau))
+  * [#10084](https://github.com/babel/babel/pull/10084) flow - allow type parameter defaults in function declarations ([@tanhauhau](https://github.com/tanhauhau))
+* `babel-types`
+  * [#10126](https://github.com/babel/babel/pull/10126) fix exportKind declaration in babel-types ([@zxbodya](https://github.com/zxbodya))
+* `babel-node`
+  * [#9951](https://github.com/babel/babel/pull/9951) Prevents exception on PnP ([@arcanis](https://github.com/arcanis))
+* `babel-generator`
+  * [#10041](https://github.com/babel/babel/pull/10041) Fix printer for explicitly inexact Flow types ([@mrtnzlml](https://github.com/mrtnzlml))
+* `babel-plugin-transform-typescript`
+  * [#10034](https://github.com/babel/babel/pull/10034) Use scope for typescript export removals ([@Wolvereness](https://github.com/Wolvereness))
+  * [#10019](https://github.com/babel/babel/pull/10019) fix(typescript): erase default export if exporting a TS type ([@airato](https://github.com/airato))
+* `babel-helper-create-class-features-plugin`, `babel-plugin-proposal-class-properties`, `babel-traverse`
+  * [#10029](https://github.com/babel/babel/pull/10029) Fixed computed keys for class expression ([@tanhauhau](https://github.com/tanhauhau))
+* `babel-helpers`, `babel-plugin-proposal-object-rest-spread`, `babel-preset-env`
+  * [#9384](https://github.com/babel/babel/pull/9384) Retry to fix object spread helper compatibility ([@saschanaz](https://github.com/saschanaz))
+* `babel-plugin-transform-destructuring`
+  * [#10013](https://github.com/babel/babel/pull/10013) fix destructuring rest with template literal ([@tanhauhau](https://github.com/tanhauhau))
+* `babel-helper-create-class-features-plugin`, `babel-plugin-transform-typescript`
+  * [#9610](https://github.com/babel/babel/pull/9610) Use `injectInitialization` to generate ts parameter properties ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+
+#### :nail_care: Polish
+* `babel-core`
+  * [#10157](https://github.com/babel/babel/pull/10157) Fix incorrect usage of $o instead of %o in debug ([@ChlorideCull](https://github.com/ChlorideCull))
+* `babel-helpers`
+  * [#10117](https://github.com/babel/babel/pull/10117) Simplify the helpers for classPrivateField{Get,Set} ([@arv](https://github.com/arv))
+* `babel-plugin-transform-typescript`
+  * [#10047](https://github.com/babel/babel/pull/10047) Refactor isImportTypeOnly helper function ([@Andarist](https://github.com/Andarist))
+
+#### :memo: Documentation
+* `babel-plugin-proposal-partial-application`, `babel-plugin-syntax-partial-application`
+  * [#10103](https://github.com/babel/babel/pull/10103) docs: update readmes ([@xtuc](https://github.com/xtuc))
+
+## v7.4.5 (2019-05-21)
+
+#### :bug: Bug Fix
+* `babel-parser`
+  * [#9998](https://github.com/babel/babel/pull/9998) Fix location for optional params in arrow functions ([@danez](https://github.com/danez))
+  * [#9982](https://github.com/babel/babel/pull/9982) Avoid unnecessary work during lookahead ([@danez](https://github.com/danez))
+  * [#9922](https://github.com/babel/babel/pull/9922) fix: allow shebang directive ([@tanhauhau](https://github.com/tanhauhau))
+* `babel-preset-env`
+  * [#10002](https://github.com/babel/babel/pull/10002) Update preset-env dependencies and fix fixtures ([@danez](https://github.com/danez))
+  * [#9978](https://github.com/babel/babel/pull/9978) Fix mobile browsers support in preset-env ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+  * [#9902](https://github.com/babel/babel/pull/9902) Fix destructuring assignments being transpiled for edge 15 ([@eps1lon](https://github.com/eps1lon))
+* `babel-plugin-transform-typescript`
+  * [#9944](https://github.com/babel/babel/pull/9944) fix(typescript): erase type exports ([@airato](https://github.com/airato))
+
+#### :nail_care: Polish
+* `babel-parser`
+  * [#9995](https://github.com/babel/babel/pull/9995) Do not use lookahead when parsing construct signature declarations in TS ([@danez](https://github.com/danez))
+  * [#9989](https://github.com/babel/babel/pull/9989) Only compute Position if not already in state ([@danez](https://github.com/danez))
+  * [#9988](https://github.com/babel/babel/pull/9988) Do not use lookahead when parsing jsx expression containers ([@danez](https://github.com/danez))
+  * [#9987](https://github.com/babel/babel/pull/9987) Do not use lookahead when parsing imports in declare module in flow ([@danez](https://github.com/danez))
+  * [#9985](https://github.com/babel/babel/pull/9985) Do not use lookahead when parsing declare module or declare module.exports in flow ([@danez](https://github.com/danez))
+  * [#9983](https://github.com/babel/babel/pull/9983) Do not use lookahead when parsing dynamic import or import.meta ([@danez](https://github.com/danez))
+  * [#9979](https://github.com/babel/babel/pull/9979) Remove guardedHandlers from ASTs ([@danez](https://github.com/danez))
+* `babel-preset-env`
+  * [#9992](https://github.com/babel/babel/pull/9992) use console.warn for warning ([@schu34](https://github.com/schu34))
+* `babel-core`
+  * [#9945](https://github.com/babel/babel/pull/9945) Fixed null error in plugin opts and added a test for it ([@divbhasin](https://github.com/divbhasin))
+* `babel-core`, `babel-traverse`
+  * [#9909](https://github.com/babel/babel/pull/9909) Add missing space in error messages ([@pnavarrc](https://github.com/pnavarrc))
+
+#### :house: Internal
+* `babel-node`
+  * [#9914](https://github.com/babel/babel/pull/9914) [babel-node] Do not hardcode node flags ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+
+## v7.4.4 (2019-04-26)
+
+#### :bug: Bug Fix
+* `babel-plugin-transform-flow-comments`
+  * [#9897](https://github.com/babel/babel/pull/9897) fix flow-comments - class type paramters and implements ([@tanhauhau](https://github.com/tanhauhau))
+  * [#9893](https://github.com/babel/babel/pull/9893) fix flow-comment - object destructuring ([@tanhauhau](https://github.com/tanhauhau))
+* `babel-parser`
+  * [#9766](https://github.com/babel/babel/pull/9766) Add TS support to @babel/parser's Scope ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+  * [#9865](https://github.com/babel/babel/pull/9865) Always register global bindings as exportable ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
+  * [#9887](https://github.com/babel/babel/pull/9887) Fix TypeScript readonly error location ([@existentialism](https://github.com/existentialism))
+  * [#9869](https://github.com/babel/babel/pull/9869) ! remove constant context assertions ([@tanhauhau](https://github.com/tanhauhau))
+  * [#9890](https://github.com/babel/babel/pull/9890) Fix parsing typescript bodiless methods with the estree plugin also enabled ([@devongovett](https://github.com/devongovett))
+* `babel-traverse`
+  * [#9870](https://github.com/babel/babel/pull/9870) Fix flow types in traverse/path/family and enable flow ([@danez](https://github.com/danez))
+* `babel-plugin-proposal-class-properties`, `babel-plugin-transform-modules-commonjs`, `babel-types`
+  * [#9861](https://github.com/babel/babel/pull/9861) Fix: PrivateName Identifier should not be isReferenced. ([@coreyfarrell](https://github.com/coreyfarrell))
+* `babel-types`
+  * [#9832](https://github.com/babel/babel/pull/9832) Fix typo in cloneNode. ([@evandervalk](https://github.com/evandervalk))
+

 ## v7.4.3 (2019-04-02)

@@ -351,7 +484,7 @@ Thanks to @jamesgeorge007 and @armano2 for their first PR!
  * [#9271](https://github.com/babel/babel/pull/9271) Bump license years for 2019. ([@berlamhenderson](https://github.com/berlamhenderson))
 * `babel-helpers`
  * [#9166](https://github.com/babel/babel/pull/9166) Add mixins support to the _decorate helper. ([@nicolo-ribaudo](https://github.com/nicolo-ribaudo))
-  
+
 ## v7.2.5 (2018-12-21)

 `@babel/polyfill` didn't get published correctly in v7.2.3 (#9227).
@@ -382,7 +515,7 @@ Half of the commits in this release are made by first time contributors! Thanks

 ## v7.2.2 (2018-12-15)

-Mostrly bug fixes and internal changes.
+Mostly bug fixes and internal changes.
 Thanks to @paleite, @saschanaz and @joeldenning for their first PRs!

 #### :bug: Bug Fix
@@ -724,7 +857,7 @@ No change from rc.4. Finally released as https://babeljs.io/blog/2018/08/27/7.0.

 ## v7.0.0-rc.2 (2018-08-21)

-A notable change is the addition of https://github.com/babel/babel/pull/8485 which enables https://github.com/babel/babel-loader/pull/660 (automatically doing `modules: false` for `@babel/preset-env` when using `babel-loader`. 
+A notable change is the addition of https://github.com/babel/babel/pull/8485 which enables https://github.com/babel/babel-loader/pull/660 (automatically doing `modules: false` for `@babel/preset-env` when using `babel-loader`.

 #### :boom: Breaking Change
 * `babel-core`
@@ -879,7 +1012,7 @@ Breaking Change in beta:
 ## v7.0.0-beta.53 (2018-07-11)

 - Fix for regression with paths on windows due to micromatch upgrade, remove yearly presets (not published)
- (There was an issue with the Stage presets in this release, but it is also deprecated) 
+- (There was an issue with the Stage presets in this release, but it is also deprecated)

 #### :boom: Breaking Change
 * `babel-*`
@@ -2533,7 +2666,7 @@ Initial release of typescript equivalent of how Babel handles flow with a new `b
 * `babel-plugin-check-es2015-constants`
  * [#5930](https://github.com/babel/babel/pull/5930) Spec compliancy of check-es2015-constants plugin. ([@maurobringolf](https://github.com/maurobringolf))

-> Instead of throwing a compile time error when const is violated, Babel should insert a throw statement before the violation. 
+> Instead of throwing a compile time error when const is violated, Babel should insert a throw statement before the violation.

 #### :boom: Breaking Change
 * `babel-plugin-transform-flow-comments`
--- a/Gulpfile.js
+++ b/Gulpfile.js
@@ -15,6 +15,7 @@ const merge = require("merge-stream");
 const rollup = require("rollup");
 const rollupBabel = require("rollup-plugin-babel");
 const rollupNodeResolve = require("rollup-plugin-node-resolve");
+const rollupReplace = require("rollup-plugin-replace");
 const { registerStandalonePackageTask } = require("./scripts/gulp-tasks");

 const sources = ["codemods", "packages"];
@@ -92,6 +93,9 @@ function buildRollup(packages) {
        .rollup({
          input,
          plugins: [
+            rollupReplace({
+              "process.env.NODE_ENV": JSON.stringify(process.env.NODE_ENV),
+            }),
            rollupBabel({
              envName: "babel-parser",
            }),
@@ -103,6 +107,7 @@ function buildRollup(packages) {
            file: path.join(pkg, "lib/index.js"),
            format: "cjs",
            name: "babel-parser",
+            sourcemap: process.env.NODE_ENV !== "production",
          });
        });
    })
--- a/4
+++ b/4
@@ -1,5 +1,5 @@
 MAKEFLAGS = -j1
-FLOW_COMMIT = 2ac56861e3ceff9ca406ae586fbafb3480c6c0b7
+FLOW_COMMIT = 09669846b7a7ca5a6c23c12d56bb3bebdafd67e9
 TEST262_COMMIT = de567d3aa5de4eaa11e00131d26b9fe77997dfb0

 # Fix color output until TravisCI fixes https://github.com/travis-ci/travis-ci/issues/7967
@@ -124,7 +124,7 @@ prepublish-build:
 	rm -rf packages/babel-runtime/helpers
 	rm -rf packages/babel-runtime-corejs2/helpers
 	rm -rf packages/babel-runtime-corejs2/core-js
-	BABEL_ENV=production make build-dist
+	NODE_ENV=production BABEL_ENV=production make build-dist
 	make clone-license

 prepublish:
--- a/SECURITY.md
+++ b/SECURITY.md
@@ -0,0 +1,19 @@
+# Security Policy
+
+## Supported Versions
+
+This is the list of versions of `babel` which are
+currently being supported with security updates.
+
+| Version  | Supported          |
+| -------- | ------------------ |
+| 7.x      | :white_check_mark: |
+| 6.26.x   | :white_check_mark: |
+| < 6.26.0 | :x:                |
+
+## Reporting a Vulnerability
+
+To report a vulnerability please send an email with the details to security@babeljs.io. 
+This will help us to assess the risk and start the necessary steps.
+
+Thanks for helping to keep babel secure.
--- a/babel.config.js
+++ b/babel.config.js
@@ -123,7 +123,7 @@ module.exports = function(api) {
        ],
        plugins: [
          includeRuntime
-            ? ["@babel/transform-runtime", { version: "7.4.0" }]
+            ? ["@babel/transform-runtime", { version: "7.4.4" }]
            : null,
        ].filter(Boolean),
      },
--- a/lerna.json
+++ b/lerna.json
@@ -1,5 +1,5 @@
 {
-  "version": "7.4.4",
+  "version": "7.5.3",
  "changelog": {
    "repo": "babel/babel",
    "cacheDir": ".changelog",
@@ -10,7 +10,8 @@
      "PR: Bug Fix :bug:": ":bug: Bug Fix",
      "PR: Polish :nail_care:": ":nail_care: Polish",
      "PR: Docs :memo:": ":memo: Documentation",
-      "PR: Internal :house:": ":house: Internal"
+      "PR: Internal :house:": ":house: Internal",
+      "PR: Performance :running_woman:": ":running_woman: Performance"
    }
  },
  "command": {
--- a/package.json
+++ b/package.json
@@ -9,38 +9,38 @@
    "test": "make test"
  },
  "devDependencies": {
-    "@babel/cli": "^7.2.3",
-    "@babel/core": "^7.4.0",
+    "@babel/cli": "^7.4.4",
+    "@babel/core": "^7.4.5",
    "@babel/eslint-plugin-development": "^1.0.1",
-    "@babel/plugin-proposal-class-properties": "^7.4.0",
+    "@babel/plugin-proposal-class-properties": "^7.4.4",
    "@babel/plugin-proposal-export-namespace-from": "^7.2.0",
    "@babel/plugin-proposal-numeric-separator": "^7.2.0",
-    "@babel/plugin-transform-modules-commonjs": "^7.4.0",
-    "@babel/plugin-transform-runtime": "^7.4.0",
-    "@babel/preset-env": "^7.4.1",
+    "@babel/plugin-transform-modules-commonjs": "^7.4.4",
+    "@babel/plugin-transform-runtime": "^7.4.4",
+    "@babel/preset-env": "^7.4.5",
    "@babel/preset-flow": "^7.0.0",
-    "@babel/register": "^7.4.0",
-    "@babel/runtime": "^7.4.0",
+    "@babel/register": "^7.4.4",
+    "@babel/runtime": "^7.4.5",
    "babel-eslint": "^11.0.0-beta.0",
-    "babel-jest": "^24.5.0",
-    "babel-loader": "^8.0.5",
+    "babel-jest": "^24.8.0",
+    "babel-loader": "^8.0.6",
    "babel-plugin-transform-charcodes": "^0.2.0",
    "browserify": "^16.2.3",
    "bundle-collapser": "^1.2.1",
-    "chalk": "^2.3.2",
+    "chalk": "^2.4.2",
    "charcodes": "^0.2.0",
    "derequire": "^2.0.2",
    "duplicate-package-checker-webpack-plugin": "^2.1.0",
    "enhanced-resolve": "^3.0.0",
-    "eslint": "^5.15.1",
+    "eslint": "^5.16.0",
    "eslint-config-babel": "^9.0.0",
-    "eslint-plugin-flowtype": "^3.2.1",
-    "eslint-plugin-import": "^2.16.0",
-    "eslint-plugin-prettier": "^3.0.1",
+    "eslint-plugin-flowtype": "^3.8.2",
+    "eslint-plugin-import": "^2.17.2",
+    "eslint-plugin-prettier": "^3.1.0",
    "fancy-log": "^1.3.3",
    "flow-bin": "^0.94.0",
    "graceful-fs": "^4.1.15",
-    "gulp": "^4.0.0",
+    "gulp": "^4.0.2",
    "gulp-babel": "^8.0.0",
    "gulp-filter": "^5.1.0",
    "gulp-newer": "^1.0.0",
@@ -48,20 +48,21 @@
    "gulp-rename": "^1.4.0",
    "gulp-uglify": "^3.0.2",
    "gulp-watch": "^5.0.1",
-    "husky": "^1.3.1",
-    "jest": "^24.5.0",
-    "lerna": "^3.6.0",
+    "husky": "^2.3.0",
+    "jest": "^24.8.0",
+    "lerna": "^3.14.2",
    "lerna-changelog": "^0.5.0",
-    "lint-staged": "^8.1.0",
+    "lint-staged": "^8.1.7",
    "lodash": "^4.17.11",
    "merge-stream": "^1.0.1",
    "output-file-sync": "^2.0.0",
-    "prettier": "^1.16.1",
+    "prettier": "^1.17.1",
    "pump": "^3.0.0",
    "rimraf": "^2.6.3",
-    "rollup": "^1.6.0",
+    "rollup": "^1.12.0",
    "rollup-plugin-babel": "^4.0.0",
-    "rollup-plugin-node-resolve": "^4.0.1",
+    "rollup-plugin-node-resolve": "^5.0.0",
+    "rollup-plugin-replace": "^2.2.0",
    "test262-stream": "^1.2.0",
    "through2": "^2.0.0",
    "warnings-to-errors-webpack-plugin": "^2.0.0",
--- a/packages/babel-cli/package.json
+++ b/packages/babel-cli/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@babel/cli",
-  "version": "7.4.4",
+  "version": "7.5.0",
  "description": "Babel command line.",
  "author": "Sebastian McKenzie <sebmck@gmail.com>",
  "homepage": "https://babeljs.io/",
@@ -36,7 +36,7 @@
    "@babel/core": "^7.0.0-0"
  },
  "devDependencies": {
-    "@babel/core": "^7.4.4",
+    "@babel/core": "^7.5.0",
    "@babel/helper-fixtures": "^7.4.4"
  },
  "bin": {
--- a/packages/babel-cli/test/index.js
+++ b/packages/babel-cli/test/index.js
@@ -86,7 +86,7 @@ const assertTest = function(stdout, stderr, opts, cwd) {
  }

  if (opts.outFiles) {
-    const actualFiles = readDir(path.join(tmpLoc), fileFilter);
+    const actualFiles = readDir(tmpLoc, fileFilter);

    Object.keys(actualFiles).forEach(function(filename) {
      if (
@@ -171,12 +171,12 @@ const buildTest = function(binName, testName, opts) {
 };

 fs.readdirSync(fixtureLoc).forEach(function(binName) {
-  if (binName[0] === ".") return;
+  if (binName.startsWith(".")) return;

  const suiteLoc = path.join(fixtureLoc, binName);
  describe("bin/" + binName, function() {
    fs.readdirSync(suiteLoc).forEach(function(testName) {
-      if (testName[0] === ".") return;
+      if (testName.startsWith(".")) return;

      const testLoc = path.join(suiteLoc, testName);

--- a/packages/babel-core/package.json
+++ b/packages/babel-core/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@babel/core",
-  "version": "7.4.4",
+  "version": "7.5.0",
  "description": "Babel compiler core.",
  "main": "lib/index.js",
  "author": "Sebastian McKenzie <sebmck@gmail.com>",
@@ -34,12 +34,12 @@
  },
  "dependencies": {
    "@babel/code-frame": "^7.0.0",
-    "@babel/generator": "^7.4.4",
-    "@babel/helpers": "^7.4.4",
-    "@babel/parser": "^7.4.4",
+    "@babel/generator": "^7.5.0",
+    "@babel/helpers": "^7.5.0",
+    "@babel/parser": "^7.5.0",
    "@babel/template": "^7.4.4",
-    "@babel/traverse": "^7.4.4",
-    "@babel/types": "^7.4.4",
+    "@babel/traverse": "^7.5.0",
+    "@babel/types": "^7.5.0",
    "convert-source-map": "^1.1.0",
    "debug": "^4.1.0",
    "json5": "^2.1.0",
@@ -49,7 +49,7 @@
    "source-map": "^0.5.0"
  },
  "devDependencies": {
-    "@babel/helper-transform-fixture-test-runner": "^7.4.4",
+    "@babel/helper-transform-fixture-test-runner": "^7.5.0",
    "@babel/register": "^7.4.4"
  }
 }
--- a/packages/babel-core/src/config/files/configuration.js
+++ b/packages/babel-core/src/config/files/configuration.js
@@ -114,7 +114,7 @@ export function findRootConfig(

  const conf = readConfig(filepath, envName, caller);
  if (conf) {
-    debug("Found root config %o in $o.", BABEL_CONFIG_JS_FILENAME, dirname);
+    debug("Found root config %o in %o.", BABEL_CONFIG_JS_FILENAME, dirname);
  }
  return conf;
 }
@@ -132,7 +132,7 @@ export function loadConfig(
    throw new Error(`Config file ${filepath} contains no configuration data`);
  }

-  debug("Loaded config %o from $o.", name, dirname);
+  debug("Loaded config %o from %o.", name, dirname);
  return conf;
 }

--- a/packages/babel-core/src/config/full.js
+++ b/packages/babel-core/src/config/full.js
@@ -202,7 +202,7 @@ const loadDescriptor = makeWeakCache(
    if (typeof item.then === "function") {
      throw new Error(
        `You appear to be using an async plugin, ` +
-          `which your current version of Babel does not support.` +
+          `which your current version of Babel does not support. ` +
          `If you're using a published plugin, ` +
          `you may need to upgrade your @babel/core version.`,
      );
--- a/packages/babel-core/src/config/validation/option-assertions.js
+++ b/packages/babel-core/src/config/validation/option-assertions.js
@@ -231,7 +231,7 @@ function assertIgnoreItem(loc: GeneralPath, value: mixed): IgnoreItem {
    throw new Error(
      `${msg(
        loc,
-      )} must be an array of string/Funtion/RegExp values, or undefined`,
+      )} must be an array of string/Function/RegExp values, or undefined`,
    );
  }
  return value;
@@ -337,7 +337,7 @@ function assertPluginItem(loc: GeneralPath, value: mixed): PluginItem {
      if (
        opts !== undefined &&
        opts !== false &&
-        (typeof opts !== "object" || Array.isArray(opts))
+        (typeof opts !== "object" || Array.isArray(opts) || opts === null)
      ) {
        throw new Error(
          `${msg(access(loc, 1))} must be an object, false, or undefined`,
--- a/packages/babel-core/src/transformation/file/file.js
+++ b/packages/babel-core/src/transformation/file/file.js
@@ -183,7 +183,7 @@ export default class File {
    // and this fails because a prerelease version can only satisfy a range
    // if it is a prerelease within the same major/minor/patch range.
    //
-    // Note: If this is found to have issues, please also revist the logic in
+    // Note: If this is found to have issues, please also revisit the logic in
    // transform-runtime's definitions.js file.
    if (semver.valid(versionRange)) versionRange = `^${versionRange}`;

--- a/packages/babel-core/src/transformation/index.js
+++ b/packages/babel-core/src/transformation/index.js
@@ -93,7 +93,7 @@ function transformFile(file: File, pluginPasses: PluginPasses): void {
        if (isThenable(result)) {
          throw new Error(
            `You appear to be using an plugin with an async .pre, ` +
-              `which your current version of Babel does not support.` +
+              `which your current version of Babel does not support. ` +
              `If you're using a published plugin, you may need to upgrade ` +
              `your @babel/core version.`,
          );
@@ -117,7 +117,7 @@ function transformFile(file: File, pluginPasses: PluginPasses): void {
        if (isThenable(result)) {
          throw new Error(
            `You appear to be using an plugin with an async .post, ` +
-              `which your current version of Babel does not support.` +
+              `which your current version of Babel does not support. ` +
              `If you're using a published plugin, you may need to upgrade ` +
              `your @babel/core version.`,
          );
--- a/packages/babel-core/test/option-manager.js
+++ b/packages/babel-core/test/option-manager.js
@@ -38,6 +38,17 @@ describe("option-manager", () => {
      expect(calls).toEqual([]);
    });

+    it("throws for null options", () => {
+      const { calls, plugin } = makePlugin();
+      expect(() => {
+        loadOptions({
+          plugins: [[plugin, null]],
+        }).toThrow(/.plugins[0][1] must be an object, false, or undefined/);
+      });
+
+      expect(calls).toEqual([]);
+    });
+
    it("should not throw if a repeated plugin has a different name", () => {
      const { calls: calls1, plugin: plugin1 } = makePlugin();
      const { calls: calls2, plugin: plugin2 } = makePlugin();
@@ -87,7 +98,6 @@ describe("option-manager", () => {
      expect(calls1).toEqual([{ arg: 1 }]);
      expect(calls2).toEqual([{ arg: 2 }]);
    });
-
    it("should merge .env[] presets with parent presets", () => {
      const { calls: calls1, plugin: preset1 } = makePlugin();
      const { calls: calls2, plugin: preset2 } = makePlugin();
--- a/packages/babel-generator/package.json
+++ b/packages/babel-generator/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@babel/generator",
-  "version": "7.4.4",
+  "version": "7.5.0",
  "description": "Turns an AST into code.",
  "author": "Sebastian McKenzie <sebmck@gmail.com>",
  "homepage": "https://babeljs.io/",
@@ -14,7 +14,7 @@
    "lib"
  ],
  "dependencies": {
-    "@babel/types": "^7.4.4",
+    "@babel/types": "^7.5.0",
    "jsesc": "^2.5.1",
    "lodash": "^4.17.11",
    "source-map": "^0.5.0",
@@ -22,6 +22,6 @@
  },
  "devDependencies": {
    "@babel/helper-fixtures": "^7.4.4",
-    "@babel/parser": "^7.4.4"
+    "@babel/parser": "^7.5.0"
  }
 }
--- a/packages/babel-generator/src/buffer.js
+++ b/packages/babel-generator/src/buffer.js
@@ -235,7 +235,7 @@ export default class Buffer {
  source(prop: string, loc: Location, force?: boolean): void {
    if (prop && !loc) return;

-    // Since this is called extremly often, we re-use the same _sourcePosition
+    // Since this is called extremely often, we re-use the same _sourcePosition
    // object for the whole lifetime of the buffer.
    this._normalizePosition(prop, loc, this._sourcePosition, force);
  }
--- a/packages/babel-generator/src/generators/flow.js
+++ b/packages/babel-generator/src/generators/flow.js
@@ -409,7 +409,7 @@ export function ObjectTypeAnnotation(node: Object) {
      indent: true,
      statement: true,
      iterator: () => {
-        if (props.length !== 1) {
+        if (props.length !== 1 || node.inexact) {
          this.token(",");
          this.space();
        }
@@ -419,6 +419,15 @@ export function ObjectTypeAnnotation(node: Object) {
    this.space();
  }

+  if (node.inexact) {
+    this.indent();
+    this.token("...");
+    if (props.length) {
+      this.newline();
+    }
+    this.dedent();
+  }
+
  if (node.exact) {
    this.token("|}");
  } else {
--- a/packages/babel-generator/test/fixtures/flow/object-literal-types-compact/input.js
+++ b/packages/babel-generator/test/fixtures/flow/object-literal-types-compact/input.js
@@ -0,0 +1,4 @@
+type T1 = { ... };
+type T2 = { a: { b: { c: {...}, ... }, ... } }
+type T3 = { foo: number, ... };
+type T4 = { foo: number, bar: string, ... };
--- a/packages/babel-generator/test/fixtures/flow/object-literal-types-compact/options.json
+++ b/packages/babel-generator/test/fixtures/flow/object-literal-types-compact/options.json
@@ -0,0 +1,3 @@
+{
+  "compact": true
+}
--- a/packages/babel-generator/test/fixtures/flow/object-literal-types-compact/output.js
+++ b/packages/babel-generator/test/fixtures/flow/object-literal-types-compact/output.js
@@ -0,0 +1 @@
+type T1={...};type T2={a:{b:{c:{...},...},...}};type T3={foo:number,...};type T4={foo:number,bar:string,...};
--- a/packages/babel-generator/test/fixtures/flow/object-literal-types/input.js
+++ b/packages/babel-generator/test/fixtures/flow/object-literal-types/input.js
@@ -9,3 +9,7 @@ type T6 = { foo(): number }
 type T7 = { foo: () => number }
 type T8 = { [string]: U };
 type T9 = { [param: string]: U };
+type T10 = { ... };
+type T11 = { a: { b: { c: {...}, ... }, ... } }
+type T12 = { foo: number, ... };
+type T13 = { foo: number, bar: string, ... };
--- a/packages/babel-generator/test/fixtures/flow/object-literal-types/output.js
+++ b/packages/babel-generator/test/fixtures/flow/object-literal-types/output.js
@@ -27,4 +27,23 @@ type T8 = {
 };
 type T9 = {
  [param: string]: U
-};
+};
+type T10 = {...};
+type T11 = {
+  a: {
+    b: {
+      c: {...},
+      ...
+    },
+    ...
+  }
+};
+type T12 = {
+  foo: number,
+  ...
+};
+type T13 = {
+  foo: number,
+  bar: string,
+  ...
+};
--- a/packages/babel-generator/test/index.js
+++ b/packages/babel-generator/test/index.js
@@ -427,7 +427,7 @@ describe("programmatic generation", function() {
    });
  });

-  describe("typescript generate parantheses if necessary", function() {
+  describe("typescript generate parentheses if necessary", function() {
    it("wraps around union for array", () => {
      const typeStatement = t.TSArrayType(
        t.TSUnionType([
--- a/packages/babel-helper-create-class-features-plugin/package.json
+++ b/packages/babel-helper-create-class-features-plugin/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@babel/helper-create-class-features-plugin",
-  "version": "7.4.4",
+  "version": "7.5.0",
  "author": "The Babel Team (https://babeljs.io/team)",
  "license": "MIT",
  "description": "Compile class public and private fields, private methods and decorators to ES6",
@@ -25,7 +25,7 @@
    "@babel/core": "^7.0.0"
  },
  "devDependencies": {
-    "@babel/core": "^7.4.4",
+    "@babel/core": "^7.5.0",
    "@babel/helper-plugin-test-runner": "^7.0.0"
  }
 }
--- a/packages/babel-helper-create-class-features-plugin/src/index.js
+++ b/packages/babel-helper-create-class-features-plugin/src/index.js
@@ -21,11 +21,11 @@ import {

 import pkg from "../package.json";

-export { FEATURES };
+export { FEATURES, injectInitialization };

 // Note: Versions are represented as an integer. e.g. 7.1.5 is represented
 //       as 70000100005. This method is easier than using a semver-parsing
-//       package, but it breaks if we relese x.y.z where x, y or z are
+//       package, but it breaks if we release x.y.z where x, y or z are
 //       greater than 99_999.
 const version = pkg.version.split(".").reduce((v, x) => v * 1e5 + +x, 0);
 const versionKey = "@babel/plugin-class-features/version";
--- a/packages/babel-helper-create-class-features-plugin/src/misc.js
+++ b/packages/babel-helper-create-class-features-plugin/src/misc.js
@@ -98,10 +98,16 @@ export function extractComputedKeys(ref, path, computedPaths, file) {
      const ident = path.scope.generateUidIdentifierBasedOnNode(
        computedNode.key,
      );
+      // Declaring in the same block scope
+      // Ref: https://github.com/babel/babel/pull/10029/files#diff-fbbdd83e7a9c998721c1484529c2ce92
+      path.scope.push({
+        id: ident,
+        kind: "let",
+      });
      declarations.push(
-        t.variableDeclaration("var", [
-          t.variableDeclarator(ident, computedNode.key),
-        ]),
+        t.expressionStatement(
+          t.assignmentExpression("=", t.cloneNode(ident), computedNode.key),
+        ),
      );
      computedNode.key = t.cloneNode(ident);
    }
--- a/packages/babel-helper-transform-fixture-test-runner/package.json
+++ b/packages/babel-helper-transform-fixture-test-runner/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@babel/helper-transform-fixture-test-runner",
-  "version": "7.4.4",
+  "version": "7.5.0",
  "description": "Transform test runner for @babel/helper-fixtures module",
  "author": "Sebastian McKenzie <sebmck@gmail.com>",
  "homepage": "https://babeljs.io/",
@@ -12,12 +12,12 @@
  "main": "lib/index.js",
  "dependencies": {
    "@babel/code-frame": "^7.0.0",
-    "@babel/core": "^7.4.4",
+    "@babel/core": "^7.5.0",
    "@babel/helper-fixtures": "^7.4.4",
    "@babel/polyfill": "^7.4.4",
    "babel-check-duplicated-nodes": "^1.0.0",
-    "jest": "^22.4.2",
-    "jest-diff": "^22.4.0",
+    "jest": "^24.8.0",
+    "jest-diff": "^24.8.0",
    "lodash": "^4.17.11",
    "resolve": "^1.3.2",
    "source-map": "^0.5.0"
--- a/packages/babel-helpers/package.json
+++ b/packages/babel-helpers/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@babel/helpers",
-  "version": "7.4.4",
+  "version": "7.5.3",
  "description": "Collection of helper functions used by Babel transforms.",
  "author": "Sebastian McKenzie <sebmck@gmail.com>",
  "homepage": "https://babeljs.io/",
@@ -12,8 +12,8 @@
  "main": "lib/index.js",
  "dependencies": {
    "@babel/template": "^7.4.4",
-    "@babel/traverse": "^7.4.4",
-    "@babel/types": "^7.4.4"
+    "@babel/traverse": "^7.5.0",
+    "@babel/types": "^7.5.0"
  },
  "devDependencies": {
    "@babel/helper-plugin-test-runner": "^7.0.0"
--- a/packages/babel-helpers/src/helpers.js
+++ b/packages/babel-helpers/src/helpers.js
@@ -26,13 +26,14 @@ helpers.typeof = helper("7.0.0-beta.0")`
  }
 `;

+// "for" is a reserved keyword in ES3 so escaping it here for backward compatibility
 helpers.jsx = helper("7.0.0-beta.0")`
  var REACT_ELEMENT_TYPE;

  export default function _createRawReactElement(type, props, key, children) {
    if (!REACT_ELEMENT_TYPE) {
      REACT_ELEMENT_TYPE = (
-        typeof Symbol === "function" && Symbol.for && Symbol.for("react.element")
+        typeof Symbol === "function" && Symbol["for"] && Symbol["for"]("react.element")
      ) || 0xeac7;
    }

@@ -384,6 +385,7 @@ helpers.extends = helper("7.0.0-beta.0")`
  }
 `;

+// This old helper can be removed in babel v8
 helpers.objectSpread = helper("7.0.0-beta.0")`
  import defineProperty from "defineProperty";

@@ -404,6 +406,43 @@ helpers.objectSpread = helper("7.0.0-beta.0")`
  }
 `;

+helpers.objectSpread2 = helper("7.5.0")`
+  import defineProperty from "defineProperty";
+
+  function ownKeys(object, enumerableOnly) {
+    var keys = Object.keys(object);
+    if (Object.getOwnPropertySymbols) {
+      keys.push.apply(keys, Object.getOwnPropertySymbols(object));
+    }
+    if (enumerableOnly) keys = keys.filter(function (sym) {
+      return Object.getOwnPropertyDescriptor(object, sym).enumerable;
+    });
+    return keys;
+  }
+
+  export default function _objectSpread2(target) {
+    for (var i = 1; i < arguments.length; i++) {
+      if (i % 2) {
+        var source = (arguments[i] != null) ? arguments[i] : {};
+        ownKeys(source, true).forEach(function (key) {
+          defineProperty(target, key, source[key]);
+        });
+      } else if (Object.getOwnPropertyDescriptors) {
+        Object.defineProperties(target, Object.getOwnPropertyDescriptors(arguments[i]));
+      } else {
+        ownKeys(arguments[i]).forEach(function (key) {
+          Object.defineProperty(
+            target,
+            key,
+            Object.getOwnPropertyDescriptor(arguments[i], key)
+          );
+        });
+      }
+    }
+    return target;
+  }
+`;
+
 helpers.inherits = helper("7.0.0-beta.0")`
  import setPrototypeOf from "setPrototypeOf";

@@ -1045,10 +1084,10 @@ helpers.classPrivateFieldLooseBase = helper("7.0.0-beta.0")`

 helpers.classPrivateFieldGet = helper("7.0.0-beta.0")`
  export default function _classPrivateFieldGet(receiver, privateMap) {
-    if (!privateMap.has(receiver)) {
+    var descriptor = privateMap.get(receiver);
+    if (!descriptor) {
      throw new TypeError("attempted to get private field on non-instance");
    }
-    var descriptor = privateMap.get(receiver);
    if (descriptor.get) {
      return descriptor.get.call(receiver);
    }
@@ -1058,10 +1097,10 @@ helpers.classPrivateFieldGet = helper("7.0.0-beta.0")`

 helpers.classPrivateFieldSet = helper("7.0.0-beta.0")`
  export default function _classPrivateFieldSet(receiver, privateMap, value) {
-    if (!privateMap.has(receiver)) {
+    var descriptor = privateMap.get(receiver);
+    if (!descriptor) {
      throw new TypeError("attempted to set private field on non-instance");
    }
-    var descriptor = privateMap.get(receiver);
    if (descriptor.set) {
      descriptor.set.call(receiver, value);
    } else {
--- a/packages/babel-highlight/package.json
+++ b/packages/babel-highlight/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@babel/highlight",
-  "version": "7.0.0",
+  "version": "7.5.0",
  "description": "Syntax highlight JavaScript strings for output in terminals.",
  "author": "suchipi <me@suchipi.com>",
  "homepage": "https://babeljs.io/",
--- a/packages/babel-highlight/test/index.js
+++ b/packages/babel-highlight/test/index.js
@@ -94,8 +94,8 @@ describe("@babel/highlight", function() {
      });
    });

-    describe("when colors are supported", function() {
-      stubColorSupport(true);
+    describe("when colors are not supported", function() {
+      stubColorSupport(false);

      describe("when forceColor is not passed", function() {
        it("returns a Chalk instance", function() {
--- a/packages/babel-node/package.json
+++ b/packages/babel-node/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@babel/node",
-  "version": "7.2.2",
+  "version": "7.5.0",
  "description": "Babel command line",
  "author": "Sebastian McKenzie <sebmck@gmail.com>",
  "homepage": "https://babeljs.io/",
@@ -23,13 +23,14 @@
    "@babel/register": "^7.0.0",
    "commander": "^2.8.1",
    "lodash": "^4.17.11",
+    "node-environment-flags": "^1.0.5",
    "v8flags": "^3.1.1"
  },
  "peerDependencies": {
    "@babel/core": "^7.0.0-0"
  },
  "devDependencies": {
-    "@babel/core": "^7.2.2",
+    "@babel/core": "^7.5.0",
    "@babel/helper-fixtures": "^7.2.0",
    "fs-readdir-recursive": "^1.0.0",
    "output-file-sync": "^2.0.0"
--- a/packages/babel-node/src/babel-node.js
+++ b/packages/babel-node/src/babel-node.js
@@ -6,6 +6,10 @@
 import getV8Flags from "v8flags";
 import path from "path";

+// TODO: When support for node < 10.10 will be dropped, this package
+// can be replaced with process.allowedNodeEnvironmentFlags
+import allowedNodeEnvironmentFlags from "node-environment-flags";
+
 let args = [path.join(__dirname, "_babel-node")];

 let babelArgs = process.argv.slice(2);
@@ -24,7 +28,9 @@ if (argSeparator > -1) {
 * that only the flag is returned.
 */
 function getNormalizedV8Flag(arg) {
-  const matches = arg.match(/--(.+)/);
+  // v8 uses the "no" prefix to negate boolean flags (e.g. --nolazy),
+  // but they are not listed by v8flags
+  const matches = arg.match(/--(?:no)?(.+)/);

  if (matches) {
    return `--${matches[1].replace(/-/g, "_")}`;
@@ -33,51 +39,30 @@ function getNormalizedV8Flag(arg) {
  return arg;
 }

+// These are aliases for node options defined by babel-node.
+const aliases = new Map([["-d", "--debug"], ["-gc", "--expose-gc"]]);
+
 getV8Flags(function(err, v8Flags) {
-  babelArgs.forEach(function(arg, index) {
+  for (let i = 0; i < babelArgs.length; i++) {
+    const arg = babelArgs[i];
    const flag = arg.split("=")[0];

-    switch (flag) {
-      case "-d":
-        args.unshift("--debug");
-        break;
-
-      case "debug":
-      case "--debug":
-      case "--debug-brk":
-      case "--inspect":
-      case "--inspect-brk":
-      case "--experimental-modules":
-        args.unshift(arg);
-        break;
-
-      case "-r":
-      case "--require":
-        args.push(flag);
-        args.push(babelArgs[index + 1]);
-        delete babelArgs[index + 1];
-        break;
-
-      case "-gc":
-        args.unshift("--expose-gc");
-        break;
-
-      case "--nolazy":
-        args.unshift(flag);
-        break;
-
-      default:
-        if (
-          v8Flags.indexOf(getNormalizedV8Flag(flag)) >= 0 ||
-          arg.indexOf("--trace") === 0
-        ) {
-          args.unshift(arg);
-        } else {
-          args.push(arg);
-        }
-        break;
+    if (flag === "-r" || flag === "--require") {
+      args.push(flag);
+      args.push(babelArgs[++i]);
+    } else if (aliases.has(flag)) {
+      args.unshift(aliases.get(flag));
+    } else if (
+      flag === "debug" || // node debug foo.js
+      flag === "inspect" ||
+      v8Flags.indexOf(getNormalizedV8Flag(flag)) >= 0 ||
+      allowedNodeEnvironmentFlags.has(flag)
+    ) {
+      args.unshift(arg);
+    } else {
+      args.push(arg);
    }
-  });
+  }

  // append arguments passed after --
  if (argSeparator > -1) {
@@ -88,7 +73,12 @@ getV8Flags(function(err, v8Flags) {
    const kexec = require("kexec");
    kexec(process.argv[0], args);
  } catch (err) {
-    if (err.code !== "MODULE_NOT_FOUND") throw err;
+    if (
+      err.code !== "MODULE_NOT_FOUND" &&
+      err.code !== "UNDECLARED_DEPENDENCY"
+    ) {
+      throw err;
+    }

    const child_process = require("child_process");
    const proc = child_process.spawn(process.argv[0], args, {
--- a/packages/babel-parser/CHANGELOG.md
+++ b/packages/babel-parser/CHANGELOG.md
@@ -178,7 +178,7 @@ The returned AST will only consist of the expression. The options are the same a

 Add startLine option ([#346](https://github.com/babel/babylon/pull/346)) (Raphael Mu)

-A new option was added to babylon allowing to change the intial linenumber for the first line which is usually `1`.
+A new option was added to babylon allowing to change the initial linenumber for the first line which is usually `1`.
 Changing this for example to `100` will make line `1` of the input source to be marked as line `100`, line `2` as `101`, line `3` as `102`, ...

 Function predicate declaration ([#103](https://github.com/babel/babylon/pull/103)) (Panagiotis Vekris)
@@ -224,7 +224,7 @@ import { a as debugger } from "foo";

 Do not allow overwritting of primitive types ([#314](https://github.com/babel/babylon/pull/314)) (Daniel Tschinder)

-In flow it is now forbidden to overwrite the primitve types `"any"`, `"mixed"`, `"empty"`, `"bool"`, `"boolean"`, `"number"`, `"string"`, `"void"` and `"null"` with your own type declaration.
+In flow it is now forbidden to overwrite the primitive types `"any"`, `"mixed"`, `"empty"`, `"bool"`, `"boolean"`, `"number"`, `"string"`, `"void"` and `"null"` with your own type declaration.

 Disallow import type { type a } from … ([#305](https://github.com/babel/babylon/pull/305)) (Daniel Tschinder)

@@ -628,7 +628,7 @@ Annotate more errors with expected token ([#172](https://github.com/babel/babylo

 Remove kcheck ([#173](https://github.com/babel/babylon/pull/173)))  (Daniel Tschinder)

-Also run flow, linting, babel tests on seperate instances (add back node 0.10)
+Also run flow, linting, babel tests on separate instances (add back node 0.10)

 ## v6.11.6 (2016-10-12)

--- a/packages/babel-parser/package.json
+++ b/packages/babel-parser/package.json
@@ -1,6 +1,6 @@
 {
  "name": "@babel/parser",
-  "version": "7.4.4",
+  "version": "7.5.0",
  "description": "A JavaScript parser",
  "author": "Sebastian McKenzie <sebmck@gmail.com>",
  "homepage": "https://babeljs.io/",
--- a/packages/babel-parser/src/options.js
+++ b/packages/babel-parser/src/options.js
@@ -15,6 +15,7 @@ export type Options = {
  allowReturnOutsideFunction: boolean,
  allowImportExportEverywhere: boolean,
  allowSuperOutsideMethod: boolean,
+  allowUndeclaredExports: boolean,
  plugins: PluginList,
  strictMode: ?boolean,
  ranges: boolean,
@@ -41,6 +42,8 @@ export const defaultOptions: Options = {
  allowImportExportEverywhere: false,
  // TODO
  allowSuperOutsideMethod: false,
+  // When enabled, export statements can reference undeclared variables.
+  allowUndeclaredExports: false,
  // An array of plugins to enable
  plugins: [],
  // TODO
--- a/packages/babel-parser/src/parser/expression.js
+++ b/packages/babel-parser/src/parser/expression.js
@@ -331,8 +331,11 @@ export default class ExpressionParser extends LValParser {
    const prec = this.state.type.binop;
    if (prec != null && (!noIn || !this.match(tt._in))) {
      if (prec > minPrec) {
-        const node = this.startNodeAt(leftStartPos, leftStartLoc);
        const operator = this.state.value;
+        if (operator === "|>" && this.state.inFSharpPipelineDirectBody) {
+          return left;
+        }
+        const node = this.startNodeAt(leftStartPos, leftStartLoc);
        node.left = left;
        node.operator = operator;
        if (
@@ -406,18 +409,23 @@ export default class ExpressionParser extends LValParser {
    prec: number,
    noIn: ?boolean,
  ): N.Expression {
+    const startPos = this.state.start;
+    const startLoc = this.state.startLoc;
    switch (op) {
      case tt.pipeline:
-        if (this.getPluginOption("pipelineOperator", "proposal") === "smart") {
-          const startPos = this.state.start;
-          const startLoc = this.state.startLoc;
-          return this.withTopicPermittingContext(() => {
-            return this.parseSmartPipelineBody(
-              this.parseExprOpBaseRightExpr(op, prec, noIn),
-              startPos,
-              startLoc,
-            );
-          });
+        switch (this.getPluginOption("pipelineOperator", "proposal")) {
+          case "smart":
+            return this.withTopicPermittingContext(() => {
+              return this.parseSmartPipelineBody(
+                this.parseExprOpBaseRightExpr(op, prec, noIn),
+                startPos,
+                startLoc,
+              );
+            });
+          case "fsharp":
+            return this.withSoloAwaitPermittingContext(() => {
+              return this.parseFSharpPipelineBody(prec, noIn);
+            });
        }
      // falls through

@@ -766,6 +774,8 @@ export default class ExpressionParser extends LValParser {
    const elts = [];
    let innerParenStart;
    let first = true;
+    const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
+    this.state.inFSharpPipelineDirectBody = false;

    while (!this.eat(close)) {
      if (first) {
@@ -804,6 +814,8 @@ export default class ExpressionParser extends LValParser {
      this.unexpected();
    }

+    this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
+
    return elts;
  }

@@ -875,19 +887,19 @@ export default class ExpressionParser extends LValParser {
        return this.finishNode(node, "Super");

      case tt._import:
-        if (this.lookahead().type === tt.dot) {
-          return this.parseImportMetaProperty();
-        }
-
-        this.expectPlugin("dynamicImport");
-
        node = this.startNode();
        this.next();
+
+        if (this.match(tt.dot)) {
+          return this.parseImportMetaProperty(node);
+        }
+
+        this.expectPlugin("dynamicImport", node.start);
+
        if (!this.match(tt.parenL)) {
          this.unexpected(null, tt.parenL);
        }
        return this.finishNode(node, "Import");
-
      case tt._this:
        node = this.startNode();
        this.next();
@@ -969,7 +981,10 @@ export default class ExpressionParser extends LValParser {
      case tt.parenL:
        return this.parseParenAndDistinguishExpression(canBeArrow);

-      case tt.bracketL:
+      case tt.bracketL: {
+        const oldInFSharpPipelineDirectBody = this.state
+          .inFSharpPipelineDirectBody;
+        this.state.inFSharpPipelineDirectBody = false;
        node = this.startNode();
        this.next();
        node.elements = this.parseExprList(
@@ -985,11 +1000,17 @@ export default class ExpressionParser extends LValParser {
          // expression by calling toReferencedListDeep.
          this.toReferencedList(node.elements);
        }
+        this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
        return this.finishNode(node, "ArrayExpression");
-
-      case tt.braceL:
-        return this.parseObj(false, refShorthandDefaultPos);
-
+      }
+      case tt.braceL: {
+        const oldInFSharpPipelineDirectBody = this.state
+          .inFSharpPipelineDirectBody;
+        this.state.inFSharpPipelineDirectBody = false;
+        const ret = this.parseObj(false, refShorthandDefaultPos);
+        this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
+        return ret;
+      }
      case tt._function:
        return this.parseFunctionExpression();

@@ -1125,20 +1146,17 @@ export default class ExpressionParser extends LValParser {
    return this.finishNode(node, "MetaProperty");
  }

-  parseImportMetaProperty(): N.MetaProperty {
-    const node = this.startNode();
-    const id = this.parseIdentifier(true);
+  parseImportMetaProperty(node: N.MetaProperty): N.MetaProperty {
+    const id = this.createIdentifier(this.startNodeAtNode(node), "import");
    this.expect(tt.dot);

-    if (id.name === "import") {
-      if (this.isContextual("meta")) {
-        this.expectPlugin("importMeta");
-      } else if (!this.hasPlugin("importMeta")) {
-        this.raise(
-          id.start,
-          `Dynamic imports require a parameter: import('a.js')`,
-        );
-      }
+    if (this.isContextual("meta")) {
+      this.expectPlugin("importMeta");
+    } else if (!this.hasPlugin("importMeta")) {
+      this.raise(
+        id.start,
+        `Dynamic imports require a parameter: import('a.js')`,
+      );
    }

    if (!this.inModule) {
@@ -1180,9 +1198,11 @@ export default class ExpressionParser extends LValParser {
    const oldMaybeInArrowParameters = this.state.maybeInArrowParameters;
    const oldYieldPos = this.state.yieldPos;
    const oldAwaitPos = this.state.awaitPos;
+    const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
    this.state.maybeInArrowParameters = true;
    this.state.yieldPos = 0;
    this.state.awaitPos = 0;
+    this.state.inFSharpPipelineDirectBody = false;

    const innerStartPos = this.state.start;
    const innerStartLoc = this.state.startLoc;
@@ -1236,6 +1256,7 @@ export default class ExpressionParser extends LValParser {
    this.expect(tt.parenR);

    this.state.maybeInArrowParameters = oldMaybeInArrowParameters;
+    this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;

    let arrowNode = this.startNodeAt(startPos, startLoc);
    if (
@@ -2117,7 +2138,9 @@ export default class ExpressionParser extends LValParser {
      );
    }

-    node.argument = this.parseMaybeUnary();
+    if (!this.state.soloAwait) {
+      node.argument = this.parseMaybeUnary();
+    }
    return this.finishNode(node, "AwaitExpression");
  }

@@ -2307,6 +2330,17 @@ export default class ExpressionParser extends LValParser {
    }
  }

+  withSoloAwaitPermittingContext<T>(callback: () => T): T {
+    const outerContextSoloAwaitState = this.state.soloAwait;
+    this.state.soloAwait = true;
+
+    try {
+      return callback();
+    } finally {
+      this.state.soloAwait = outerContextSoloAwaitState;
+    }
+  }
+
  // Register the use of a primary topic reference (`#`) within the current
  // topic context.
  registerTopicReference(): void {
@@ -2323,4 +2357,25 @@ export default class ExpressionParser extends LValParser {
      this.state.topicContext.maxTopicIndex >= 0
    );
  }
+
+  parseFSharpPipelineBody(prec: number, noIn: ?boolean): N.Expression {
+    const startPos = this.state.start;
+    const startLoc = this.state.startLoc;
+
+    this.state.potentialArrowAt = this.state.start;
+    const oldInFSharpPipelineDirectBody = this.state.inFSharpPipelineDirectBody;
+    this.state.inFSharpPipelineDirectBody = true;
+
+    const ret = this.parseExprOp(
+      this.parseMaybeUnary(),
+      startPos,
+      startLoc,
+      prec,
+      noIn,
+    );
+
+    this.state.inFSharpPipelineDirectBody = oldInFSharpPipelineDirectBody;
+
+    return ret;
+  }
 }
--- a/packages/babel-parser/src/parser/location.js
+++ b/packages/babel-parser/src/parser/location.js
@@ -10,6 +10,17 @@ import CommentsParser from "./comments";
 // message.

 export default class LocationParser extends CommentsParser {
+  getLocationForPosition(pos: number): Position {
+    let loc;
+    if (pos === this.state.start) loc = this.state.startLoc;
+    else if (pos === this.state.lastTokStart) loc = this.state.lastTokStartLoc;
+    else if (pos === this.state.end) loc = this.state.endLoc;
+    else if (pos === this.state.lastTokEnd) loc = this.state.lastTokEndLoc;
+    else loc = getLineInfo(this.input, pos);
+
+    return loc;
+  }
+
  raise(
    pos: number,
    message: string,
@@ -21,7 +32,8 @@ export default class LocationParser extends CommentsParser {
      code?: string,
    } = {},
  ): empty {
-    const loc = getLineInfo(this.input, pos);
+    const loc = this.getLocationForPosition(pos);
+
    message += ` (${loc.line}:${loc.column})`;
    // $FlowIgnore
    const err: SyntaxError & { pos: number, loc: Position } = new SyntaxError(
--- a/packages/babel-parser/src/parser/lval.js
+++ b/packages/babel-parser/src/parser/lval.js
@@ -16,7 +16,7 @@ import type {
 import type { Pos, Position } from "../util/location";
 import { isStrictBindReservedWord } from "../util/identifier";
 import { NodeUtils } from "./node";
-import { type BindingTypes, BIND_NONE } from "../util/scopeflags";
+import { type BindingTypes, BIND_NONE, BIND_LEXICAL } from "../util/scopeflags";

 export default class LValParser extends NodeUtils {
  // Forward-declaration: defined in expression.js
@@ -363,6 +363,12 @@ export default class LValParser extends NodeUtils {
            checkClashes[key] = true;
          }
        }
+        if (bindingType === BIND_LEXICAL && expr.name === "let") {
+          this.raise(
+            expr.start,
+            "'let' is not allowed to be used as a name in 'let' or 'const' declarations.",
+          );
+        }
        if (!(bindingType & BIND_NONE)) {
          this.scope.declareName(expr.name, bindingType, expr.start);
        }
--- a/packages/babel-parser/src/parser/node.js
+++ b/packages/babel-parser/src/parser/node.js
@@ -83,6 +83,12 @@ export class NodeUtils extends UtilParser {
    pos: number,
    loc: Position,
  ): T {
+    if (process.env.NODE_ENV !== "production" && node.end > 0) {
+      throw new Error(
+        "Do not call finishNode*() twice on the same node." +
+          " Instead use resetEndLocation() or change type directly.",
+      );
+    }
    node.type = type;
    node.end = pos;
    node.loc.end = loc;
@@ -97,6 +103,16 @@ export class NodeUtils extends UtilParser {
    if (this.options.ranges) node.range[0] = start;
  }

+  resetEndLocation(
+    node: NodeBase,
+    end?: number = this.state.lastTokEnd,
+    endLoc?: Position = this.state.lastTokEndLoc,
+  ): void {
+    node.end = end;
+    node.loc.end = endLoc;
+    if (this.options.ranges) node.range[1] = end;
+  }
+
  /**
   * Reset the start location of node to the start location of locationNode
   */
--- a/packages/babel-parser/src/parser/statement.js
+++ b/packages/babel-parser/src/parser/statement.js
@@ -22,10 +22,6 @@ import {
  SCOPE_SUPER,
 } from "../util/scopeflags";

-// Reused empty array added for node fields that are always empty.
-
-const empty = [];
-
 const loopLabel = { kind: "loop" },
  switchLabel = { kind: "switch" };

@@ -49,7 +45,11 @@ export default class StatementParser extends ExpressionParser {

    this.parseBlockBody(program, true, true, tt.eof);

-    if (this.inModule && this.scope.undefinedExports.size > 0) {
+    if (
+      this.inModule &&
+      !this.options.allowUndeclaredExports &&
+      this.scope.undefinedExports.size > 0
+    ) {
      for (const [name] of Array.from(this.scope.undefinedExports)) {
        const pos = this.scope.undefinedExports.get(name);
        // $FlowIssue
@@ -390,7 +390,7 @@ export default class StatementParser extends ExpressionParser {
      node.expression = this.parseMaybeDecoratorArguments(expr);
      this.state.decoratorStack.pop();
    } else {
-      node.expression = this.parseMaybeAssign();
+      node.expression = this.parseExprSubscripts();
    }
    return this.finishNode(node, "Decorator");
  }
@@ -683,7 +683,6 @@ export default class StatementParser extends ExpressionParser {
      node.handler = this.finishNode(clause, "CatchClause");
    }

-    node.guardedHandlers = empty;
    node.finalizer = this.eat(tt._finally) ? this.parseBlock() : null;

    if (!node.handler && !node.finalizer) {
@@ -1015,9 +1014,6 @@ export default class StatementParser extends ExpressionParser {
  }

  parseVarId(decl: N.VariableDeclarator, kind: "var" | "let" | "const"): void {
-    if ((kind === "const" || kind === "let") && this.isContextual("let")) {
-      this.unexpected(null, "let is disallowed as a lexically bound name");
-    }
    decl.id = this.parseBindingAtom();
    this.checkLVal(
      decl.id,
--- a/packages/babel-parser/src/plugin-utils.js
+++ b/packages/babel-parser/src/plugin-utils.js
@@ -38,7 +38,7 @@ export function getPluginOption(
  return null;
 }

-const PIPELINE_PROPOSALS = ["minimal", "smart"];
+const PIPELINE_PROPOSALS = ["minimal", "smart", "fsharp"];

 export function validatePlugins(plugins: PluginList) {
  if (hasPlugin(plugins, "decorators")) {
--- a/packages/babel-parser/src/plugins/flow.js
+++ b/packages/babel-parser/src/plugins/flow.js
@@ -96,7 +96,11 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    }

    finishToken(type: TokenType, val: any): void {
-      if (!(type === tt.string || type === tt.semi)) {
+      if (
+        type !== tt.string &&
+        type !== tt.semi &&
+        type !== tt.interpreterDirective
+      ) {
        if (this.flowPragma === undefined) {
          this.flowPragma = null;
        }
@@ -218,8 +222,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>

      id.typeAnnotation = this.finishNode(typeContainer, "TypeAnnotation");

-      this.finishNode(id, id.type);
-
+      this.resetEndLocation(id);
      this.semicolon();

      return this.finishNode(node, "DeclareFunction");
@@ -235,13 +238,13 @@ export default (superClass: Class<Parser>): Class<Parser> =>
        return this.flowParseDeclareFunction(node);
      } else if (this.match(tt._var)) {
        return this.flowParseDeclareVariable(node);
-      } else if (this.isContextual("module")) {
-        if (this.lookahead().type === tt.dot) {
+      } else if (this.eatContextual("module")) {
+        if (this.match(tt.dot)) {
          return this.flowParseDeclareModuleExports(node);
        } else {
          if (insideModule) {
            this.unexpected(
-              null,
+              this.state.lastTokStart,
              "`declare module` cannot be used inside another `declare module`",
            );
          }
@@ -272,8 +275,6 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    }

    flowParseDeclareModule(node: N.FlowDeclareModule): N.FlowDeclareModule {
-      this.next();
-
      this.scope.enter(SCOPE_OTHER);

      if (this.match(tt.string)) {
@@ -289,14 +290,13 @@ export default (superClass: Class<Parser>): Class<Parser> =>
        let bodyNode = this.startNode();

        if (this.match(tt._import)) {
-          const lookahead = this.lookahead();
-          if (lookahead.value !== "type" && lookahead.value !== "typeof") {
+          this.next();
+          if (!this.isContextual("type") && !this.match(tt._typeof)) {
            this.unexpected(
-              null,
+              this.state.lastTokStart,
              "Imports within a `declare module` body must always be `import type` or `import typeof`",
            );
          }
-          this.next();
          this.parseImport(bodyNode);
        } else {
          this.expectContextual(
@@ -418,8 +418,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    flowParseDeclareModuleExports(
      node: N.FlowDeclareModuleExports,
    ): N.FlowDeclareModuleExports {
-      this.expectContextual("module");
-      this.expect(tt.dot);
+      this.next();
      this.expectContextual("exports");
      node.typeAnnotation = this.flowParseTypeAnnotation();
      this.semicolon();
@@ -432,7 +431,9 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    ): N.FlowDeclareTypeAlias {
      this.next();
      this.flowParseTypeAlias(node);
-      return this.finishNode(node, "DeclareTypeAlias");
+      // Don't do finishNode as we don't want to process comments twice
+      node.type = "DeclareTypeAlias";
+      return node;
    }

    flowParseDeclareOpaqueType(
@@ -440,7 +441,9 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    ): N.FlowDeclareOpaqueType {
      this.next();
      this.flowParseOpaqueType(node, true);
-      return this.finishNode(node, "DeclareOpaqueType");
+      // Don't do finishNode as we don't want to process comments twice
+      node.type = "DeclareOpaqueType";
+      return node;
    }

    flowParseDeclareInterface(
@@ -585,16 +588,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>

    // Type annotations

-    flowParseTypeParameter(
-      allowDefault?: boolean = true,
-      requireDefault?: boolean = false,
-    ): N.TypeParameter {
-      if (!allowDefault && requireDefault) {
-        throw new Error(
-          "Cannot disallow a default value (`allowDefault`) while also requiring it (`requireDefault`).",
-        );
-      }
-
+    flowParseTypeParameter(requireDefault?: boolean = false): N.TypeParameter {
      const nodeStart = this.state.start;

      const node = this.startNode();
@@ -607,12 +601,8 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      node.bound = ident.typeAnnotation;

      if (this.match(tt.eq)) {
-        if (allowDefault) {
-          this.eat(tt.eq);
-          node.default = this.flowParseType();
-        } else {
-          this.unexpected();
-        }
+        this.eat(tt.eq);
+        node.default = this.flowParseType();
      } else {
        if (requireDefault) {
          this.unexpected(
@@ -626,9 +616,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      return this.finishNode(node, "TypeParameter");
    }

-    flowParseTypeParameterDeclaration(
-      allowDefault?: boolean = true,
-    ): N.TypeParameterDeclaration {
+    flowParseTypeParameterDeclaration(): N.TypeParameterDeclaration {
      const oldInType = this.state.inType;
      const node = this.startNode();
      node.params = [];
@@ -645,10 +633,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      let defaultRequired = false;

      do {
-        const typeParameter = this.flowParseTypeParameter(
-          allowDefault,
-          defaultRequired,
-        );
+        const typeParameter = this.flowParseTypeParameter(defaultRequired);

        node.params.push(typeParameter);

@@ -795,9 +780,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      node.typeParameters = null;

      if (this.isRelational("<")) {
-        node.typeParameters = this.flowParseTypeParameterDeclaration(
-          /* allowDefault */ false,
-        );
+        node.typeParameters = this.flowParseTypeParameterDeclaration();
      }

      this.expect(tt.parenL);
@@ -1280,13 +1263,14 @@ export default (superClass: Class<Parser>): Class<Parser> =>
          });

        case tt.bracketL:
-          return this.flowParseTupleType();
+          this.state.noAnonFunctionType = false;
+          type = this.flowParseTupleType();
+          this.state.noAnonFunctionType = oldNoAnonFunctionType;
+          return type;

        case tt.relational:
          if (this.state.value === "<") {
-            node.typeParameters = this.flowParseTypeParameterDeclaration(
-              /* allowDefault */ false,
-            );
+            node.typeParameters = this.flowParseTypeParameterDeclaration();
            this.expect(tt.parenL);
            tmp = this.flowParseFunctionTypeParams();
            node.params = tmp.params;
@@ -1371,15 +1355,27 @@ export default (superClass: Class<Parser>): Class<Parser> =>
        case tt.plusMin:
          if (this.state.value === "-") {
            this.next();
-            if (!this.match(tt.num)) {
-              this.unexpected(null, `Unexpected token, expected "number"`);
+            if (this.match(tt.num)) {
+              return this.parseLiteral(
+                -this.state.value,
+                "NumberLiteralTypeAnnotation",
+                node.start,
+                node.loc.start,
+              );
            }

-            return this.parseLiteral(
-              -this.state.value,
-              "NumberLiteralTypeAnnotation",
-              node.start,
-              node.loc.start,
+            if (this.match(tt.bigint)) {
+              return this.parseLiteral(
+                -this.state.value,
+                "BigIntLiteralTypeAnnotation",
+                node.start,
+                node.loc.start,
+              );
+            }
+
+            this.unexpected(
+              null,
+              `Unexpected token, expected "number" or "bigint"`,
            );
          }

@@ -1390,6 +1386,12 @@ export default (superClass: Class<Parser>): Class<Parser> =>
            "NumberLiteralTypeAnnotation",
          );

+        case tt.bigint:
+          return this.parseLiteral(
+            this.state.value,
+            "BigIntLiteralTypeAnnotation",
+          );
+
        case tt._void:
          this.next();
          return this.finishNode(node, "VoidTypeAnnotation");
@@ -1520,7 +1522,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
        : this.flowParseRestrictedIdentifier();
      if (this.match(tt.colon)) {
        ident.typeAnnotation = this.flowParseTypeAnnotation();
-        this.finishNode(ident, ident.type);
+        this.resetEndLocation(ident);
      }
      return ident;
    }
@@ -1528,12 +1530,13 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    typeCastToParameter(node: N.Node): N.Node {
      node.expression.typeAnnotation = node.typeAnnotation;

-      return this.finishNodeAt(
+      this.resetEndLocation(
        node.expression,
-        node.expression.type,
        node.typeAnnotation.end,
        node.typeAnnotation.loc.end,
      );
+
+      return node.expression;
    }

    flowParseVariance(): ?N.FlowVariance {
@@ -1848,6 +1851,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      node = super.parseParenItem(node, startPos, startLoc);
      if (this.eat(tt.question)) {
        node.optional = true;
+        // Include questionmark in location of node
+        // Don't use this.finishNode() as otherwise we might process comments twice and
+        // include already consumed parens
+        this.resetEndLocation(node);
      }

      if (this.match(tt.colon)) {
@@ -2084,9 +2091,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      }
      delete (method: $FlowFixMe).variance;
      if (this.isRelational("<")) {
-        method.typeParameters = this.flowParseTypeParameterDeclaration(
-          /* allowDefault */ false,
-        );
+        method.typeParameters = this.flowParseTypeParameterDeclaration();
      }

      super.pushClassMethod(
@@ -2168,9 +2173,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>

      // method shorthand
      if (this.isRelational("<")) {
-        typeParameters = this.flowParseTypeParameterDeclaration(
-          /* allowDefault */ false,
-        );
+        typeParameters = this.flowParseTypeParameterDeclaration();
        if (!this.match(tt.parenL)) this.unexpected();
      }

@@ -2205,7 +2208,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      if (this.match(tt.colon)) {
        param.typeAnnotation = this.flowParseTypeAnnotation();
      }
-      this.finishNode(param, param.type);
+      this.resetEndLocation(param);
      return param;
    }

@@ -2378,9 +2381,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      // $FlowFixMe
      const kind = node.kind;
      if (kind !== "get" && kind !== "set" && this.isRelational("<")) {
-        node.typeParameters = this.flowParseTypeParameterDeclaration(
-          /* allowDefault */ false,
-        );
+        node.typeParameters = this.flowParseTypeParameterDeclaration();
      }
      super.parseFunctionParams(node, allowModifiers);
    }
@@ -2393,7 +2394,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      super.parseVarId(decl, kind);
      if (this.match(tt.colon)) {
        decl.id.typeAnnotation = this.flowParseTypeAnnotation();
-        this.finishNode(decl.id, decl.id.type);
+        this.resetEndLocation(decl.id); // set end position to end of type
      }
    }

--- a/packages/babel-parser/src/plugins/jsx/index.js
+++ b/packages/babel-parser/src/plugins/jsx/index.js
@@ -269,7 +269,9 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      let node;
      switch (this.state.type) {
        case tt.braceL:
-          node = this.jsxParseExpressionContainer();
+          node = this.startNode();
+          this.next();
+          node = this.jsxParseExpressionContainer(node);
          if (node.expression.type === "JSXEmptyExpression") {
            throw this.raise(
              node.start,
@@ -310,10 +312,8 @@ export default (superClass: Class<Parser>): Class<Parser> =>

    // Parse JSX spread child

-    jsxParseSpreadChild(): N.JSXSpreadChild {
-      const node = this.startNode();
-      this.expect(tt.braceL);
-      this.expect(tt.ellipsis);
+    jsxParseSpreadChild(node: N.JSXSpreadChild): N.JSXSpreadChild {
+      this.next(); // ellipsis
      node.expression = this.parseExpression();
      this.expect(tt.braceR);

@@ -322,9 +322,9 @@ export default (superClass: Class<Parser>): Class<Parser> =>

    // Parses JSX expression enclosed into curly brackets.

-    jsxParseExpressionContainer(): N.JSXExpressionContainer {
-      const node = this.startNode();
-      this.next();
+    jsxParseExpressionContainer(
+      node: N.JSXExpressionContainer,
+    ): N.JSXExpressionContainer {
      if (this.match(tt.braceR)) {
        node.expression = this.jsxParseEmptyExpression();
      } else {
@@ -423,15 +423,17 @@ export default (superClass: Class<Parser>): Class<Parser> =>
              children.push(this.parseExprAtom());
              break;

-            case tt.braceL:
-              if (this.lookahead().type === tt.ellipsis) {
-                children.push(this.jsxParseSpreadChild());
+            case tt.braceL: {
+              const node = this.startNode();
+              this.next();
+              if (this.match(tt.ellipsis)) {
+                children.push(this.jsxParseSpreadChild(node));
              } else {
-                children.push(this.jsxParseExpressionContainer());
+                children.push(this.jsxParseExpressionContainer(node));
              }

              break;
-
+            }
            // istanbul ignore next - should never happen
            default:
              throw this.unexpected();
--- a/packages/babel-parser/src/plugins/placeholders.js
+++ b/packages/babel-parser/src/plugins/placeholders.js
@@ -71,8 +71,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      node: N.Node,
      expectedNode: T,
    ): /*N.Placeholder<T>*/ MaybePlaceholder<T> {
+      const isFinished = !!(node.expectedNode && node.type === "Placeholder");
      node.expectedNode = expectedNode;
-      return this.finishNode(node, "Placeholder");
+
+      return isFinished ? node : this.finishNode(node, "Placeholder");
    }

    /* ============================================================ *
--- a/packages/babel-parser/src/plugins/typescript/index.js
+++ b/packages/babel-parser/src/plugins/typescript/index.js
@@ -161,17 +161,6 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      );
    }

-    tsTryParseDelimitedList<T: N.Node>(
-      kind: ParsingContext,
-      parseElement: () => ?T,
-    ): ?(T[]) {
-      return this.tsParseDelimitedListWorker(
-        kind,
-        parseElement,
-        /* expectSuccess */ false,
-      );
-    }
-
    /**
     * If !expectSuccess, returns undefined instead of failing to parse.
     * If expectSuccess, parseElement should always return a defined value.
@@ -397,13 +386,8 @@ export default (superClass: Class<Parser>): Class<Parser> =>

    tsParseSignatureMember(
      kind: "TSCallSignatureDeclaration" | "TSConstructSignatureDeclaration",
+      node: N.TsCallSignatureDeclaration | N.TsConstructSignatureDeclaration,
    ): N.TsCallSignatureDeclaration | N.TsConstructSignatureDeclaration {
-      const node:
-        | N.TsCallSignatureDeclaration
-        | N.TsConstructSignatureDeclaration = this.startNode();
-      if (kind === "TSConstructSignatureDeclaration") {
-        this.expect(tt._new);
-      }
      this.tsFillSignature(tt.colon, node);
      this.tsParseTypeMemberSemicolon();
      return this.finishNode(node, kind);
@@ -427,7 +411,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      this.expect(tt.bracketL);
      const id = this.parseIdentifier();
      id.typeAnnotation = this.tsParseTypeAnnotation();
-      this.finishNode(id, "Identifier"); // set end position to end of type
+      this.resetEndLocation(id); // set end position to end of type

      this.expect(tt.bracketR);
      node.parameters = [id];
@@ -442,7 +426,6 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      node: N.TsPropertySignature | N.TsMethodSignature,
      readonly: boolean,
    ): N.TsPropertySignature | N.TsMethodSignature {
-      this.parsePropertyName(node);
      if (this.eat(tt.question)) node.optional = true;
      const nodeAny: any = node;

@@ -462,17 +445,26 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    }

    tsParseTypeMember(): N.TsTypeElement {
-      if (this.match(tt.parenL) || this.isRelational("<")) {
-        return this.tsParseSignatureMember("TSCallSignatureDeclaration");
-      }
-      if (
-        this.match(tt._new) &&
-        this.tsLookAhead(this.tsIsStartOfConstructSignature.bind(this))
-      ) {
-        return this.tsParseSignatureMember("TSConstructSignatureDeclaration");
-      }
-      // Instead of fullStart, we create a node here.
      const node: any = this.startNode();
+
+      if (this.match(tt.parenL) || this.isRelational("<")) {
+        return this.tsParseSignatureMember("TSCallSignatureDeclaration", node);
+      }
+
+      if (this.match(tt._new)) {
+        const id: N.Identifier = this.startNode();
+        this.next();
+        if (this.match(tt.parenL) || this.isRelational("<")) {
+          return this.tsParseSignatureMember(
+            "TSConstructSignatureDeclaration",
+            node,
+          );
+        } else {
+          node.key = this.createIdentifier(id, "new");
+          return this.tsParsePropertyOrMethodSignature(node, false);
+        }
+      }
+
      const readonly = !!this.tsParseModifier(["readonly"]);

      const idx = this.tsTryParseIndexSignature(node);
@@ -480,12 +472,9 @@ export default (superClass: Class<Parser>): Class<Parser> =>
        if (readonly) node.readonly = true;
        return idx;
      }
-      return this.tsParsePropertyOrMethodSignature(node, readonly);
-    }

-    tsIsStartOfConstructSignature() {
-      this.next();
-      return this.match(tt.parenL) || this.isRelational("<");
+      this.parsePropertyName(node);
+      return this.tsParsePropertyOrMethodSignature(node, readonly);
    }

    tsParseTypeLiteral(): N.TsTypeLiteral {
@@ -1270,23 +1259,6 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      }
    }

-    nodeWithSamePosition<T: N.Node>(original: N.Node, type: string): T {
-      const node = this.startNodeAtNode(original);
-      node.type = type;
-      node.end = original.end;
-      node.loc.end = original.loc.end;
-
-      if (original.leadingComments) {
-        node.leadingComments = original.leadingComments;
-      }
-      if (original.trailingComments) {
-        node.trailingComments = original.trailingComments;
-      }
-      if (original.innerComments) node.innerComments = original.innerComments;
-
-      return node;
-    }
-
    tsTryParseDeclare(nany: any): ?N.Declaration {
      if (this.isLineTerminator()) {
        return;
@@ -1442,6 +1414,9 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      startPos: number,
      startLoc: Position,
    ): ?N.ArrowFunctionExpression {
+      if (!this.isRelational("<")) {
+        return undefined;
+      }
      const res: ?N.ArrowFunctionExpression = this.tsTryParseAndCatch(() => {
        const node: N.ArrowFunctionExpression = this.startNodeAt(
          startPos,
@@ -1958,6 +1933,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      node = super.parseParenItem(node, startPos, startLoc);
      if (this.eat(tt.question)) {
        node.optional = true;
+        // Include questionmark in location of node
+        // Don't use this.finishNode() as otherwise we might process comments twice and
+        // include already consumed parens
+        this.resetEndLocation(node);
      }

      if (this.match(tt.colon)) {
@@ -1971,7 +1950,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
        return this.finishNode(typeCastNode, "TSTypeCastExpression");
      }

-      return this.finishNode(node, node.type);
+      return node;
    }

    parseExportDeclaration(node: N.ExportNamedDeclaration): ?N.Declaration {
@@ -2092,7 +2071,7 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      const type = this.tsTryParseTypeAnnotation();
      if (type) {
        decl.id.typeAnnotation = type;
-        this.finishNode(decl.id, decl.id.type); // set end position to end of type
+        this.resetEndLocation(decl.id); // set end position to end of type
      }
    }

@@ -2204,8 +2183,10 @@ export default (superClass: Class<Parser>): Class<Parser> =>
          const returnType = this.tsParseTypeOrTypePredicateAnnotation(
            tt.colon,
          );
-          if (this.canInsertSemicolon()) this.unexpected();
-          if (!this.match(tt.arrow)) this.unexpected();
+          if (this.canInsertSemicolon() || !this.match(tt.arrow)) {
+            this.state = state;
+            return undefined;
+          }
          node.returnType = returnType;
        } catch (err) {
          if (err instanceof SyntaxError) {
@@ -2234,7 +2215,9 @@ export default (superClass: Class<Parser>): Class<Parser> =>
      }
      const type = this.tsTryParseTypeAnnotation();
      if (type) param.typeAnnotation = type;
-      return this.finishNode(param, param.type);
+      this.resetEndLocation(param);
+
+      return param;
    }

    toAssignable(
@@ -2396,12 +2379,13 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    typeCastToParameter(node: N.TsTypeCastExpression): N.Node {
      node.expression.typeAnnotation = node.typeAnnotation;

-      return this.finishNodeAt(
+      this.resetEndLocation(
        node.expression,
-        node.expression.type,
        node.typeAnnotation.end,
        node.typeAnnotation.loc.end,
      );
+
+      return node.expression;
    }

    toReferencedList(
@@ -2438,10 +2422,12 @@ export default (superClass: Class<Parser>): Class<Parser> =>
    jsxParseOpeningElementAfterName(
      node: N.JSXOpeningElement,
    ): N.JSXOpeningElement {
-      const typeArguments = this.tsTryParseAndCatch(() =>
-        this.tsParseTypeArguments(),
-      );
-      if (typeArguments) node.typeParameters = typeArguments;
+      if (this.isRelational("<")) {
+        const typeArguments = this.tsTryParseAndCatch(() =>
+          this.tsParseTypeArguments(),
+        );
+        if (typeArguments) node.typeParameters = typeArguments;
+      }
      return super.jsxParseOpeningElementAfterName(node);
    }

--- a/packages/babel-parser/src/tokenizer/index.js
+++ b/packages/babel-parser/src/tokenizer/index.js
@@ -226,11 +226,9 @@ export default class Tokenizer extends LocationParser {
      loc: new SourceLocation(startLoc, endLoc),
    };

-    if (!this.isLookahead) {
-      if (this.options.tokens) this.state.tokens.push(comment);
-      this.state.comments.push(comment);
-      this.addComment(comment);
-    }
+    if (this.options.tokens) this.state.tokens.push(comment);
+    this.state.comments.push(comment);
+    this.addComment(comment);
  }

  skipBlockComment(): void {
@@ -250,6 +248,10 @@ export default class Tokenizer extends LocationParser {
      this.state.lineStart = match.index + match[0].length;
    }

+    // If we are doing a lookahead right now we need to advance the position (above code)
+    // but we do not want to push the comment to the state.
+    if (this.isLookahead) return;
+
    this.pushComment(
      true,
      this.input.slice(start + 2, end),
@@ -276,6 +278,10 @@ export default class Tokenizer extends LocationParser {
      }
    }

+    // If we are doing a lookahead right now we need to advance the position (above code)
+    // but we do not want to push the comment to the state.
+    if (this.isLookahead) return;
+
    this.pushComment(
      false,
      this.input.slice(start + startSkip, this.state.pos),
@@ -350,7 +356,7 @@ export default class Tokenizer extends LocationParser {
    this.state.type = type;
    this.state.value = val;

-    this.updateContext(prevType);
+    if (!this.isLookahead) this.updateContext(prevType);
  }

  // ### Token reading
--- a/packages/babel-parser/src/tokenizer/state.js
+++ b/packages/babel-parser/src/tokenizer/state.js
@@ -77,6 +77,10 @@ export default class State {
    maxTopicIndex: null,
  };

+  // For the F# plugin
+  soloAwait: boolean = false;
+  inFSharpPipelineDirectBody: boolean = false;
+
  // Check whether we are in a (nested) class or not.
  classLevel: number = 0;

@@ -170,7 +174,7 @@ export default class State {
      // $FlowIgnore
      let val = this[key];

-      if ((!skipArrays || key === "context") && Array.isArray(val)) {
+      if (!skipArrays && Array.isArray(val)) {
        val = val.slice();
      }

--- a/packages/babel-parser/src/types.js
+++ b/packages/babel-parser/src/types.js
@@ -263,8 +263,6 @@ export type TryStatement = NodeBase & {
  block: BlockStatement,
  handler: CatchClause | null,
  finalizer: BlockStatement | null,
-
-  guardedHandlers: $ReadOnlyArray<empty>, // TODO: Not in spec
 };

 export type CatchClause = NodeBase & {
--- a/packages/babel-parser/test/fixtures/core/opts/allowUndeclaredExports/input.js
+++ b/packages/babel-parser/test/fixtures/core/opts/allowUndeclaredExports/input.js
@@ -0,0 +1 @@
+export { foo };
--- a/packages/babel-parser/test/fixtures/core/opts/allowUndeclaredExports/options.json
+++ b/packages/babel-parser/test/fixtures/core/opts/allowUndeclaredExports/options.json
@@ -0,0 +1,4 @@
+{
+  "sourceType": "module",
+  "allowUndeclaredExports": true
+}
--- a/packages/babel-parser/test/fixtures/core/opts/allowUndeclaredExports/output.json
+++ b/packages/babel-parser/test/fixtures/core/opts/allowUndeclaredExports/output.json
@@ -0,0 +1,103 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 15,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 1,
+      "column": 15
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 15,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 1,
+        "column": 15
+      }
+    },
+    "sourceType": "module",
+    "interpreter": null,
+    "body": [
+      {
+        "type": "ExportNamedDeclaration",
+        "start": 0,
+        "end": 15,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 1,
+            "column": 15
+          }
+        },
+        "specifiers": [
+          {
+            "type": "ExportSpecifier",
+            "start": 9,
+            "end": 12,
+            "loc": {
+              "start": {
+                "line": 1,
+                "column": 9
+              },
+              "end": {
+                "line": 1,
+                "column": 12
+              }
+            },
+            "local": {
+              "type": "Identifier",
+              "start": 9,
+              "end": 12,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 9
+                },
+                "end": {
+                  "line": 1,
+                  "column": 12
+                },
+                "identifierName": "foo"
+              },
+              "name": "foo"
+            },
+            "exported": {
+              "type": "Identifier",
+              "start": 9,
+              "end": 12,
+              "loc": {
+                "start": {
+                  "line": 1,
+                  "column": 9
+                },
+                "end": {
+                  "line": 1,
+                  "column": 12
+                },
+                "identifierName": "foo"
+              },
+              "name": "foo"
+            }
+          }
+        ],
+        "source": null,
+        "declaration": null
+      }
+    ],
+    "directives": []
+  }
+}
--- a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-hang-func/output.json
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-hang-func/output.json
@@ -198,7 +198,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-let-outside/output.json
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-let-outside/output.json
@@ -109,7 +109,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      },
      {
--- a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-var-nested/output.json
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-var-nested/output.json
@@ -238,14 +238,12 @@
                    "directives": []
                  }
                },
-                "guardedHandlers": [],
                "finalizer": null
              }
            ],
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-var-outside/output.json
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-var-outside/output.json
@@ -109,7 +109,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      },
      {
--- a/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-var/output.json
+++ b/packages/babel-parser/test/fixtures/core/scope/dupl-bind-catch-var/output.json
@@ -161,7 +161,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/core/uncategorised/276/output.json
+++ b/packages/babel-parser/test/fixtures/core/uncategorised/276/output.json
@@ -109,7 +109,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/core/uncategorised/277/output.json
+++ b/packages/babel-parser/test/fixtures/core/uncategorised/277/output.json
@@ -109,7 +109,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/core/uncategorised/278/output.json
+++ b/packages/babel-parser/test/fixtures/core/uncategorised/278/output.json
@@ -109,7 +109,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/core/uncategorised/279/output.json
+++ b/packages/babel-parser/test/fixtures/core/uncategorised/279/output.json
@@ -176,7 +176,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/core/uncategorised/280/output.json
+++ b/packages/babel-parser/test/fixtures/core/uncategorised/280/output.json
@@ -61,7 +61,6 @@
          "directives": []
        },
        "handler": null,
-        "guardedHandlers": [],
        "finalizer": {
          "type": "BlockStatement",
          "start": 16,
--- a/packages/babel-parser/test/fixtures/core/uncategorised/281/output.json
+++ b/packages/babel-parser/test/fixtures/core/uncategorised/281/output.json
@@ -225,7 +225,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/core/uncategorised/282/output.json
+++ b/packages/babel-parser/test/fixtures/core/uncategorised/282/output.json
@@ -225,7 +225,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": {
          "type": "BlockStatement",
          "start": 47,
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-1/input.js
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-1/input.js
@@ -0,0 +1 @@
+let { let } = {};
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-1/options.json
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-1/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "'let' is not allowed to be used as a name in 'let' or 'const' declarations. (1:6)"
+}
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-2/input.js
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-2/input.js
@@ -0,0 +1 @@
+const { let } = {};
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-2/options.json
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-2/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "'let' is not allowed to be used as a name in 'let' or 'const' declarations. (1:8)"
+}
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-3/input.js
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-3/input.js
@@ -0,0 +1 @@
+let [let] = [];
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-3/options.json
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-3/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "'let' is not allowed to be used as a name in 'let' or 'const' declarations. (1:5)"
+}
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-4/input.js
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-4/input.js
@@ -0,0 +1 @@
+const [let] = [];
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-4/options.json
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-4/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "'let' is not allowed to be used as a name in 'let' or 'const' declarations. (1:7)"
+}
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-5/input.js
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-5/input.js
@@ -0,0 +1 @@
+let let
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-5/options.json
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-5/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "'let' is not allowed to be used as a name in 'let' or 'const' declarations. (1:4)"
+}
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-6/input.js
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-6/input.js
@@ -0,0 +1 @@
+const let = ''
--- a/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-6/options.json
+++ b/packages/babel-parser/test/fixtures/es2015/let/let-at-binding-list-fail-6/options.json
@@ -0,0 +1,3 @@
+{
+  "throws": "'let' is not allowed to be used as a name in 'let' or 'const' declarations. (1:6)"
+}
--- a/packages/babel-parser/test/fixtures/es2015/uncategorised/313/output.json
+++ b/packages/babel-parser/test/fixtures/es2015/uncategorised/313/output.json
@@ -164,7 +164,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/es2019/optional-catch-binding/no-binding-finally/output.json
+++ b/packages/babel-parser/test/fixtures/es2019/optional-catch-binding/no-binding-finally/output.json
@@ -93,7 +93,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": {
          "type": "BlockStatement",
          "start": 28,
--- a/packages/babel-parser/test/fixtures/es2019/optional-catch-binding/no-binding/output.json
+++ b/packages/babel-parser/test/fixtures/es2019/optional-catch-binding/no-binding/output.json
@@ -93,7 +93,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/es2015-array-pattern/empty-pattern-catch-param/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/es2015-array-pattern/empty-pattern-catch-param/output.json
@@ -108,7 +108,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/es2015-array-pattern/patterned-catch/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/es2015-array-pattern/patterned-catch/output.json
@@ -476,7 +476,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/es2015-array-pattern/with-default-catch-param/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/es2015-array-pattern/with-default-catch-param/output.json
@@ -161,7 +161,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/es2015-object-pattern/empty-catch-param/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/es2015-object-pattern/empty-catch-param/output.json
@@ -108,7 +108,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/es2015-yield/yield-catch-parameter/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/es2015-yield/yield-catch-parameter/output.json
@@ -109,7 +109,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0000/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0000/output.json
@@ -109,7 +109,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0001/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0001/output.json
@@ -109,7 +109,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0002/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0002/output.json
@@ -109,7 +109,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0003/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0003/output.json
@@ -176,7 +176,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0004/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0004/output.json
@@ -61,7 +61,6 @@
          "directives": []
        },
        "handler": null,
-        "guardedHandlers": [],
        "finalizer": {
          "type": "BlockStatement",
          "start": 16,
--- a/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0005/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0005/output.json
@@ -225,7 +225,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": null
      }
    ],
--- a/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0006/output.json
+++ b/packages/babel-parser/test/fixtures/esprima/statement-try/migrated_0006/output.json
@@ -225,7 +225,6 @@
            "directives": []
          }
        },
-        "guardedHandlers": [],
        "finalizer": {
          "type": "BlockStatement",
          "start": 47,
--- a/packages/babel-parser/test/fixtures/experimental/class-private-methods/async-generator/output.json
+++ b/packages/babel-parser/test/fixtures/experimental/class-private-methods/async-generator/output.json
@@ -523,7 +523,6 @@
                      "directives": []
                    },
                    "handler": null,
-                    "guardedHandlers": [],
                    "finalizer": {
                      "type": "BlockStatement",
                      "start": 173,
--- a/packages/babel-parser/test/fixtures/experimental/decorators/method-generator-decorator/input.js
+++ b/packages/babel-parser/test/fixtures/experimental/decorators/method-generator-decorator/input.js
@@ -0,0 +1,4 @@
+class Foo {
+  @deco
+  *generatorMethod() {}
+}
--- a/packages/babel-parser/test/fixtures/experimental/decorators/method-generator-decorator/output.json
+++ b/packages/babel-parser/test/fixtures/experimental/decorators/method-generator-decorator/output.json
@@ -0,0 +1,175 @@
+{
+  "type": "File",
+  "start": 0,
+  "end": 45,
+  "loc": {
+    "start": {
+      "line": 1,
+      "column": 0
+    },
+    "end": {
+      "line": 4,
+      "column": 1
+    }
+  },
+  "program": {
+    "type": "Program",
+    "start": 0,
+    "end": 45,
+    "loc": {
+      "start": {
+        "line": 1,
+        "column": 0
+      },
+      "end": {
+        "line": 4,
+        "column": 1
+      }
+    },
+    "sourceType": "script",
+    "interpreter": null,
+    "body": [
+      {
+        "type": "ClassDeclaration",
+        "start": 0,
+        "end": 45,
+        "loc": {
+          "start": {
+            "line": 1,
+            "column": 0
+          },
+          "end": {
+            "line": 4,
+            "column": 1
+          }
+        },
+        "id": {
+          "type": "Identifier",
+          "start": 6,
+          "end": 9,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 6
+            },
+            "end": {
+              "line": 1,
+              "column": 9
+            },
+            "identifierName": "Foo"
+          },
+          "name": "Foo"
+        },
+        "superClass": null,
+        "body": {
+          "type": "ClassBody",
+          "start": 10,
+          "end": 45,
+          "loc": {
+            "start": {
+              "line": 1,
+              "column": 10
+            },
+            "end": {
+              "line": 4,
+              "column": 1
+            }
+          },
+          "body": [
+            {
+              "type": "ClassMethod",
+              "start": 14,
+              "end": 43,
+              "loc": {
+                "start": {
+                  "line": 2,
+                  "column": 2
+                },
+                "end": {
+                  "line": 3,
+                  "column": 23
+                }
+              },
+              "decorators": [
+                {
+                  "type": "Decorator",
+                  "start": 14,
+                  "end": 19,
+                  "loc": {
+                    "start": {
+                      "line": 2,
+                      "column": 2
+                    },
+                    "end": {
+                      "line": 2,
+                      "column": 7
+                    }
+                  },
+                  "expression": {
+                    "type": "Identifier",
+                    "start": 15,
+                    "end": 19,
+                    "loc": {
+                      "start": {
+                        "line": 2,
+                        "column": 3
+                      },
+                      "end": {
+                        "line": 2,
+                        "column": 7
+                      },
+                      "identifierName": "deco"
+                    },
+                    "name": "deco"
+                  }
+                }
+              ],
+              "static": false,
+              "kind": "method",
+              "key": {
+                "type": "Identifier",
+                "start": 23,
+                "end": 38,
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 3
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 18
+                  },
+                  "identifierName": "generatorMethod"
+                },
+                "name": "generatorMethod"
+              },
+              "computed": false,
+              "id": null,
+              "generator": true,
+              "async": false,
+              "params": [],
+              "body": {
+                "type": "BlockStatement",
+                "start": 41,
+                "end": 43,
+                "loc": {
+                  "start": {
+                    "line": 3,
+                    "column": 21
+                  },
+                  "end": {
+                    "line": 3,
+                    "column": 23
+                  }
+                },
+                "body": [],
+                "directives": []
+              }
+            }
+          ]
+        }
+      }
+    ],
+    "directives": []
+  }
+}
--- a/Show More
+++ b/Show More
Author	SHA1	Message	Date
Nicolò Ribaudo	759ff4d6df	v7.5.3	2019-07-09 16:41:44 +02:00
Nicolò Ribaudo	9e65472377	[_objectSpread2] Do not use hoisted var from prev iteration (#10180 )	2019-07-09 16:38:40 +02:00
Babel Bot	25f040caa4	Add v7.5.2 to CHANGELOG.md [skip ci]	2019-07-08 19:53:06 +00:00
Nicolò Ribaudo	0dbf99bedb	v7.5.2	2019-07-08 21:46:49 +02:00
Nicolò Ribaudo	f48b47c1f7	Do not trust Scope when removing TypeScript types (#10174 ) * Do not trust Scope when removing TypeScript types * Warn * Update warning message Co-Authored-By: Brian Ng <bng412@gmail.com> * Add test * Node 6	2019-07-08 21:44:26 +02:00
Nicolò Ribaudo	406a65c894	Don't rely on getOwnPropertyDescriptors in objectSpread2 (#10171 )	2019-07-07 11:24:36 +02:00
Huáng Jùnliàng	075a50242d	fix: register injected importDeclaration (#10172 )	2019-07-06 10:44:14 -05:00
Babel Bot	c777e81e06	Add v7.5.1 to CHANGELOG.md [skip ci]	2019-07-06 08:13:08 +00:00
Nicolò Ribaudo	d0519fa907	v7.5.1	2019-07-06 10:07:59 +02:00
Nicolò Ribaudo	019fbca3f6	Update lerna	2019-07-06 09:57:20 +02:00
Nicolò Ribaudo	24dde2e8e8	Fix objectSpread2 backward compatibility (#10170 )	2019-07-06 09:48:36 +02:00
Wesley Wolfe	bff79e198a	Retain typescript export-from-source (#10167 )	2019-07-05 20:47:55 +02:00
Henry Zhu	106bb41d47	change pkg name back from used-by [skip ci]	2019-07-04 12:30:56 -04:00
Babel Bot	d19f053482	Add v7.5.0 to CHANGELOG.md [skip ci]	2019-07-04 13:00:18 +00:00
Nicolò Ribaudo	49da9a07c8	v7.5.0	2019-07-04 14:52:17 +02:00
Lidor Avitan	b06663320e	Update babel-preset-stage (0,1,2,3) readme files (#10111 ) [skip ci] * chore: update docs babel-preset-stage readme [ci skip] * fix: by PR request change [ci skip]	2019-07-04 12:24:42 +02:00
Tan Li Hau	d50e78d45b	fix await and yield for do expression (#10072 )	2019-07-03 09:54:39 -05:00
Artem Butusov	5b86353b35	Added es3 backward compatibility for react helper code (#10155 ) * Added es3 backward compatibility for react helper code * tweak comment [skip ci]	2019-07-03 16:49:20 +02:00
Tan Li Hau	f588e4ec47	BigInt type for Flow (#10091 ) * flow BigIntLiteralTypeAnnotation * numericSeparator for flow test plugins * fix flow tuple * fix code review	2019-07-03 16:48:46 +02:00
Brian Ng	cbb482e2f9	Bump compat-table and update preset-env mappings (#10127 )	2019-07-03 09:37:06 -05:00
Sebastian Johansson	595a349174	Fix incorrect usage of $o instead of %o in debug (#10157 ) It would end up printing the literal "$o" instead of the directory name.	2019-07-03 16:04:31 +02:00
Min ho Kim	0bf0ae3410	Fix typos (#10153 )	2019-07-03 15:51:48 +02:00
Nicolò Ribaudo	ef3f555be9	Add proposal-dynamic-import to preset-env (#10109 )	2019-06-30 13:58:50 +02:00
Nicolò Ribaudo	38f8bbac1a	Create @babel/plugin-proposal-dynamic-import (#9552 ) * Create @babel/plugin-proposal-dynamic-import * Use airbnb/babel-plugin-dynamic-import-node Do not duplicate code, which will unavoidably lead to bugs being fixed in one plugin and not in the other. * Update error message * Add error callback to amd interop * Update babel-plugin-dynamic-import-node	2019-06-30 13:21:46 +02:00
Thiago Arrais	a4170b5e32	Transform for F# Pipeline (#9984 ) * Transform for F#-style await Inludes support for optimizing single-parameter arrow functions * Wait until optimization before pushing placeholder into scope	2019-06-30 12:53:22 +02:00
James DiGioia	6b8a37c413	Implement f# pipeline in parser (#9450 )	2019-06-30 12:53:22 +02:00
Wesley Wolfe	0a98814329	Implement TypeScript namespace support (#9785 ) * Add module tests for typescript namespace transform Fixes #8244, fixes #10038	2019-06-30 12:15:09 +02:00
Nicolò Ribaudo	8bf9714d69	[legacy decorators] Allow decorating generator methods (#9912 ) * [legacy decorators] Allow decorating generator methods The old proposal used LeftHandSideExpression (instead of AssignmentExpression) to satisfy this usecase: `e240cbc91a` * Update flow whitelist	2019-06-30 11:32:16 +02:00
Nicolò Ribaudo	ca67637da4	[@babel/parser] Add "allowUndeclaredExports" option (#9864 ) Ref: https://github.com/babel/notes/blob/master/2019/04/09.md#export-changes-in-scope-pr-break-meteor-issue	2019-06-30 11:16:05 +02:00
Brian Ng	77fd7cd4c4	Allow `defaults` query in preset-env (#8897 )	2019-06-30 11:00:43 +02:00
Tan Li Hau	1d3f9815df	fix import typeof in declare module (#10132 )	2019-06-26 13:37:16 -05:00
Letladi Sebesho	31fc1d06bc	Babel cli test correction (#10128 )	2019-06-25 15:38:32 -05:00
Bogdan Savluk	b8bb93a838	fix exportKind declaration in babel-types (#10126 ) * fix exportKind types declaration for ExportNamedDeclaration and DeclareExportAllDeclaration in babel-types * revert `let` in exportKind in babel-parser types	2019-06-25 22:29:38 +02:00
Erik Arvidsson	8f8a457798	Simplify the helpers for classPrivateField{Get,Set} (#10117 ) No need to do the hash lookup twice. If the descriptor is not in the WeakMap `get` returns `undefined`.	2019-06-22 00:23:26 +02:00
Pig Fang	11fa2461ce	Disallow "let" as name at lexical bindings (#10099 ) * Disallow "let" as name at lexical bindings * Simplify * Clean up	2019-06-18 23:17:00 +02:00
Paul Comanici	505b2cc18d	Upgrade jest dependency (#10107 )	2019-06-18 16:29:51 +02:00
Sven Sauleau	dcdf7c8fdd	[skip ci] docs: update readmes (#10103 ) Using our READMEs auto generation, two packages were updated.	2019-06-17 10:57:28 +02:00
Tan Li Hau	fdbbb743b6	flow - allow type parameter defaults in function declarations (#10084 ) * flow - allow type parameter defaults in function declarations * fix flow test * add intern_comments option * fix flow parser test * remove allowdefault from flowParseTypeParameterDeclaration * rename test cases	2019-06-15 12:31:12 +02:00
Letladi Sebesho	6852bf6415	Change duplicate tests for @babel/highlight getChalk method (#10093 ) * removed duplicate tests for @babel/highlight getChalk method * changed second 'getChalk' test case for when colors are not supported	2019-06-15 09:04:35 +02:00
Jamie Kyle	f92c2ae830	Change root package.json#name (#10021 ) * Change root package.json#name I'm pretty sure GitHub's new Dependants feature is based on this package.json. I'm updating it here so it will reflect the new name for the core package. * Update package.json	2019-06-04 23:57:38 +02:00
Maël Nison	d7801c644c	Prevents exception on PnP (#9951 )	2019-06-02 00:55:44 +02:00
Mateusz Burzyński	84961ebb05	Refactor isImportTypeOnly helper function (#10047 )	2019-05-31 23:54:44 +02:00
Blaine Bublitz	3144ed131a	Use FUNDING.yml in babel/.github repo [ci skip] (#10032 )	2019-05-30 09:52:43 +02:00
Martin Zlámal	ce4c374924	Fix printer for explicitly inexact Flow types (#10041 ) Closes: https://github.com/babel/babel/issues/10040	2019-05-29 21:17:12 +02:00
Wesley Wolfe	8d492b159b	Use scope for typescript export removals. Fixes #10033 (#10034 ) This also fixes enum not adding the respective declaration to the scope during the typescript visitation. Rewrites: `2080042808` #9944 `a6392bd636` #10019	2019-05-29 08:36:04 +02:00
Tan Li Hau	b4c9cb0222	Fixed computed keys for class expression (#10029 ) * test case for insertBefore for jsx * fix unshiftContainer and insertBefore * use path.scope.push * add test making sure computedKeys var declaration at the right block * add comment * nit [skip ci]	2019-05-28 23:07:55 +02:00
Kagami Sascha Rosylight	a596da2822	Retry to fix object spread helper compatibility (#9384 ) This reverts commit `43b83f8ed7`. Fix objectSpread helper breaking old codes remove tests to regenerate later renamed output new name try using word add comment as requested revert inline name changes add 2 for consistency Update packages/babel-helpers/src/helpers.js Co-Authored-By: Daniel Tschinder <daniel@tschinder.de>	2019-05-25 12:57:13 +02:00
Daniel Tschinder	1cfb92d66a	Create SECURITY.md (#10018 )	2019-05-25 12:46:59 +02:00
Nicolò Ribaudo	888b9f6940	Remove unused code in the TS parser plugin (#10025 )	2019-05-25 08:46:01 +02:00
Tan Li Hau	b6486a22cb	fix destructuring rest with template literal (#10013 ) * fix destructuring rest with template literal * update test	2019-05-24 00:03:27 +02:00
Airat Aminev	a6392bd636	fix(typescript): erase default export if exporting a TS type (#10019 )	2019-05-23 16:58:24 -05:00
Henry Zhu	9dd8825eff	Create funding.yml [skip ci] (#10016 )	2019-05-23 21:02:16 +02:00
Nicolò Ribaudo	ecf4667305	Add "PR: Performance" label for the changelog (#10011 ) [skip ci]	2019-05-21 23:17:18 -04:00
Nicolò Ribaudo	87fb6c4a8b	Use `injectInitialization` to generate ts parameter properties (#9610 )	2019-05-21 22:28:55 +02:00
Brian Ng	58cf1a7d48	Bump deps (#10007 )	2019-05-21 15:10:29 -05:00
Sebastian Silbermann	c96aef17e1	Add #9902 to changelog (#10010 ) [skip ci]	2019-05-21 21:33:27 +02:00
Babel Bot	fc38638aeb	Add v7.4.5 to CHANGELOG.md [skip ci]	2019-05-21 17:49:18 +00:00
Nicolò Ribaudo	33ab4f1661	v7.4.5	2019-05-21 19:38:26 +02:00
Daniel Tschinder	54d257c105	Fix location for optional params in arrow functions (#9998 ) * Fix location with optional params in arrow functions * add test * Ensure rollup replaces NODE_ENV and create sourcemap in dev * Ensure finishNod() is never called twice on a node Fix check for already finished nodes	2019-05-21 18:53:13 +02:00
Matthew Robertson	9c06e4ed4d	avoid exceptions for control flow (#9974 ) * avoid exceptions for control flow * review feedback: remove conditional because we know it is "<" * drop tsTryParseTypeArguments method	2019-05-21 17:23:53 +02:00
Daniel Tschinder	f5b8140580	Do not use lookahead when parsing construct signature declarations (#9995 )	2019-05-20 23:27:41 -07:00
Daniel Tschinder	0430a48775	Update preset-env dependencies and fix fixtures (#10002 ) * Fix fixtures after core-js update * Update core-js, caniuse and compat-table	2019-05-20 23:27:19 -07:00
Matthew Schupack	45ca6751fa	use console.warn for warning (#9992 ) * use console.warn for warning * fix tests	2019-05-18 00:36:18 +02:00
Daniel Tschinder	b1826bf0a0	Only compute Position if not already in state (#9989 ) * Only compute Position if not already in state * Prioritize start locations	2019-05-17 15:32:34 -07:00
Airat Aminev	2080042808	fix(typescript): erase type exports (#9944 ) * fix(typescript): erase type exports * use Set instead of array for tracking and checking TS type declarations * add a test for an interface exported before its declaration	2019-05-17 07:22:52 +02:00
Daniel Tschinder	3f0590de2a	Do not use lookahead when parsing jsx expression containers (#9988 )	2019-05-16 17:27:07 -07:00
Daniel Tschinder	5661de5908	Do not use lookahead when parsing imports in declare module in flow (#9987 )	2019-05-16 02:31:37 -07:00
Daniel Tschinder	c2d303f8be	Do not use lookahead when parsing declare module or declare module.exports in flow (#9985 ) * Do not use lookahead when parsing declare module or declare module.exports in flow * Improve code	2019-05-16 02:31:21 -07:00
Daniel Tschinder	4da7a01aa9	Avoid unnecessary work during lookahead (#9982 ) * Do not call pushComment when doing lookahead * Do no updateContext when doing lookahead * Do not clone contexts anymore	2019-05-15 17:02:12 -07:00
Daniel Tschinder	47eb1ddfe0	Do not use lookahead when parsing dynamic import or import.meta (#9983 )	2019-05-15 16:34:16 -07:00
Nicolò Ribaudo	9febf63882	Fix mobile browsers support in preset-env (#9978 ) * Fix mobile browsers support in preset-env * Update fixtures * Alias other mobile browsers, since they aren't included by compat-table	2019-05-15 14:05:37 +02:00
Daniel Tschinder	85432e2c44	Remove guardedHandlers from ASTs (#9979 )	2019-05-15 03:37:22 -07:00
Nicolò Ribaudo	1969e6b6aa	Update regenerator-transform (#9941 )	2019-05-07 15:42:12 -04:00
Divyam Bhasin	7942dc0f07	Fixed null error in plugin opts and added a test for it (#9945 ) * Fixed null error in plugin opts and added a test for it * Remove !opts and add opts === null check to avoid confusion with false and undefined cases Co-Authored-By: divbhasin <divbest99@gmail.com>	2019-05-07 16:23:01 +02:00
Tan Li Hau	354666aa17	fix: allow shebang directive (#9922 ) * fix: allow shebang directive * Update packages/babel-parser/src/plugins/flow.js * chore: prettier	2019-05-07 16:22:25 +02:00
Nicolò Ribaudo	9e9b62f77a	Update regexp-tree (#9940 )	2019-05-06 20:11:46 +02:00
Nicolò Ribaudo	5da94bff87	[babel-node] Do not hardcode node flags (#9914 )	2019-05-04 23:40:06 +02:00
Sebastian Silbermann	eae7a33316	Fix destructuring assignments being transpiled for edge 15 (#9902 ) * Current behavior for preset-env destructuring and edge * fix(preset-env): destructuring transpiled in edge 15	2019-05-03 23:35:28 +02:00
Pablo Navarro	16e17c560b	Add missing space in error messages (#9909 )	2019-04-29 19:52:13 +02:00
Nicolò Ribaudo	555d50a08c	Generate missing test output	2019-04-26 23:57:06 +02:00
Babel Bot	18ace84b88	Add v7.4.4 to CHANGELOG.md [skip ci]	2019-04-26 21:06:49 +00:00
				`@@ -0,0 +1 @@`
				`type T1={...};type T2={a:{b:{c:{...},...},...}};type T3={foo:number,...};type T4={foo:number,bar:string,...};`