fix(deps): update babel monorepo #31572

renovate · 2019-03-19T21:06:45Z

This PR contains the following updates:

Package	Type	Update	Change	References
@babel/core	dependencies	minor	`7.3.4` -> `7.4.0`	homepage, source
@babel/plugin-proposal-class-properties	dependencies	minor	`7.3.4` -> `7.4.0`	source
@babel/plugin-transform-runtime	dependencies	minor	`7.3.4` -> `7.4.0`	source
@babel/polyfill	dependencies	minor	`7.2.5` -> `7.4.0`	homepage, source
@babel/preset-env	dependencies	minor	`7.3.4` -> `7.4.2`	homepage, source
@babel/runtime	dependencies	minor	`7.3.4` -> `7.4.2`	source

Release Notes

babel/babel

`v7.4.0`

Compare Source

👓 Spec Compliance

babel-parser
- #9529 Add readonly to TypeScript type modifier (@tanhauhau)
- #9534 TypeScript Constant contexts (@tanhauhau)
- #9637 Update identifier parsing per Unicode v12 (@mathiasbynens)
- #9616 Allow any reserved word in export {} from specifiers (@danez)
- #9612 [TS] Disallow type casts in arrow parameters (@nicolo-ribaudo)
- #9607 Refactor parsing object members (@danez)
- #9599 Disallow duplicate params in methods (@danez)
- #9586 Treat for loop body as part of loop scope (@danez)
babel-parser, babel-plugin-transform-typescript
- #9641 Allow context type annotation on getters/setters (@matt-tingen)
babel-plugin-proposal-unicode-property-regex, babel-plugin-transform-dotall-regex, babel-plugin-transform-unicode-regex
- #9636 Update babel-plugin-proposal-unicode-property-regex for Unicode v12 (@mathiasbynens)
babel-generator, babel-parser, babel-plugin-transform-flow-strip-types, babel-plugin-transform-modules-systemjs
- #9589 Check exported bindings are defined (@danez)
babel-generator, babel-parser, babel-plugin-transform-classes, babel-plugin-transform-flow-comments, babel-plugin-transform-flow-strip-types, babel-plugin-transform-new-target
- #9493 Introduce scope tracking in the parser (@danez)

🚀 New Feature

babel-helpers, babel-plugin-proposal-class-properties, babel-plugin-proposal-decorators, babel-plugin-proposal-object-rest-spread, babel-plugin-transform-runtime, babel-plugin-transform-typescript, babel-polyfill, babel-preset-env, babel-register, babel-runtime-corejs2, babel-runtime-corejs3
- #7646 Update to core-js@3 (@zloirock)
babel-template
- #9648 Add %%placeholders%% support to @babel/template (@nicolo-ribaudo)
babel-parser, babel-plugin-proposal-partial-application
- #9474 Partial application plugin (@byara)
babel-generator, babel-helper-create-class-features-plugin, babel-helpers, babel-plugin-proposal-private-methods
- #9446 Private Static Class Methods (Stage 3) (@tim-mc)
babel-generator, babel-types
- #9542 Add placeholders support to @babel/types and @babel/generator (@nicolo-ribaudo)
babel-parser
- #9364 Add parser support for placeholders (@nicolo-ribaudo)
babel-generator, babel-parser, babel-plugin-syntax-partial-application, babel-types
- #9343 Partial Application Syntax: Stage 1 (@byara)

🐛 Bug Fix

babel-helper-create-class-features-plugin, babel-helper-replace-supers, babel-plugin-proposal-private-methods
- #9704 Fix super Method Calls in Class Private Methods (@tim-mc)
babel-parser
- #9699 Correctly parse TS TypeAssertions around arrow functions (@danez)
- #9600 Fix scope check for 2nd+ lexical bindings (@danez)
- #9593 [TS] Correctly forget awaits after parsing async arrows with type args (@nicolo-ribaudo)
- #9585 Fix strict mode prescanning with EmptyStatement (@danez)
babel-core, babel-plugin-transform-for-of
- #9697 Correctly preserve reference to array in for-of loop (@danez)
babel-plugin-transform-typescript
- #9693 [plugin-transform-typescript] Fix transpiling of TS abstract classes with decorators (@agoldis)
babel-traverse, babel-types
- #9692 Fix TSFunctionType visitors definition (@penielse)
babel-plugin-proposal-object-rest-spread
- #9628 [proposal-object-rest-spread] fix templateLiteral in extractNormalizedKeys (@pnowak)
babel-plugin-transform-modules-systemjs
- #9639 System modules - Hoist classes like other variables (@guybedford)
babel-generator, babel-parser
- #9618 Disallow escape sequences in contextual keywords (@danez)
babel-helper-split-export-declaration, babel-plugin-transform-modules-commonjs, babel-traverse
- #9613 Don't add params of anonymous exported function decls to the outer scope (@nicolo-ribaudo)
babel-plugin-transform-parameters, babel-plugin-transform-typescript, babel-types
- #9605 [plugin-transform-typescript] Strip type imports used in Enums and object types (@echenley)
babel-helper-call-delegate, babel-plugin-transform-parameters
- #9601 Don't loose "this" in helper-call-delegate (@nicolo-ribaudo)
babel-plugin-proposal-object-rest-spread, babel-plugin-transform-modules-commonjs, babel-traverse, babel-types
- #9492 Mark FOO in "var { x: FOO }˝ as a binding, not as a reference (@nicolo-ribaudo)
babel-preset-env
- #9595 preset-env: Sort versions before determining lowest (@jridgewell)
babel-helper-define-map, babel-helper-hoist-variables, babel-parser, babel-plugin-proposal-object-rest-spread, babel-plugin-transform-block-scoping, babel-plugin-transform-destructuring, babel-plugin-transform-modules-systemjs, babel-traverse, babel-types
- #9518 Use for..of Object.keys instead of for..in (@nicolo-ribaudo)

💅 Polish

babel-parser
- #9646 Remove input and length from state (@danez)
- #9645 Reorganize token types and use a map for them (@danez)
- #9591 Remove always false param allowExpressionBody (@danez)
babel-standalone, babel-types
- #9025 Make babel-standalone an ESModule and enable flow (@danez)
babel-generator
- #9579 change var name for coherence (@tanohzana)

🏠 Internal

Other
- #9588 Publish to npm using a GitHub action (@nicolo-ribaudo)
- #9640 Switch from rollup-stream to rollup (@danez)
- #9647 Add WarningsToErrorsPlugin to webpack to avoid missing build problems on CI (@danez)
- #9624 Update dependencies (@danez)
- #9623 Add editorconfig for Makefile (@danez)
- #9587 Update test262 (@danez)
- #9582 Minify bundles on circle for repl (@danez)
babel-register
- #9678 Remove dependency on home-or-tmp package (@AmirS)

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matticbot · 2019-03-19T21:06:47Z

Test live: https://calypso.live/?branch=renovate/babel-monorepo

blowery · 2019-03-20T14:28:37Z

We probably need to fold #31567 in here as well.

blowery · 2019-03-20T14:50:01Z

This is gonna take some work. See babel/babel#7646

useBuilIns: entry with corejs: 3
No longer transforms @babel/polyfill.
Transforms all possible core-js entry points to import of related modules (based on data from core-js-compat).
Since of this, we no longer need shippedProposals / proposals flags with useBuilIns: entry.
Removes regenerator-runtime/runtime import where it's not required.

jsnajdr · 2019-03-20T15:10:01Z

No longer transforms @babel/polyfill.

I don't get it. Does that mean that preset-env will no longer generate a set of CoreJS imports based on desired browserslist? Or is there some new way to achieve the same goal?

blowery · 2019-03-20T15:18:50Z

Found the explanation: https://github.com/zloirock/core-js/blob/master/docs/2019-03-19-core-js-3-babel-and-a-look-into-the-future.md#babelpolyfill

Instead of
import "@babel/polyfill";
you should use those 2 lines:

import "core-js/stable";
import "regenerator-runtime/runtime";

blowery · 2019-03-20T15:26:36Z

Also part of the release announcement at https://babeljs.io/blog/2019/03/19/7.4.0

jsnajdr · 2019-03-21T14:50:46Z

@blowery After some research, I think we can land this separately, without upgrade to CoreJS 3. We just need to set a corejs: 2 option for the preset-env plugin. Otherwise we'll get a console warning that version 2 is still the default today, but might change to 3 soon. What do you think?

blowery · 2019-03-21T18:10:31Z

@jsnajdr that sounds good. Gives us some time to play with core-js@3 and see what wrinkles we can find.

Needs to be specified explicitly in the latest Babel. Also remove the `shippedProposal` flag, as there are currently no proposals shipped in browsers that wouldn't already be in standard ES2018.

renovate · 2019-03-22T10:23:35Z

PR has been edited

👷 This PR has received other commits, so Renovate will stop updating it to avoid conflicts or other problems. If you wish to abandon your changes and have Renovate start over you may click the "rebase" checkbox in the PR body/description.

jsnajdr · 2019-03-22T13:13:50Z

I pushed a config change with explicit corejs: 3 for @babel/preset-env. The output is almost identical to the previous Babel version, with few tiny differences caused by the upgrade.

Triggering e2e tests, approving, and going to merge if the tests succeed.

jsnajdr

Ready to 🚢

blowery

LGTM

renovate bot requested a review from a team as a code owner March 19, 2019 21:06

renovate bot added [Status] Needs Review The PR is ready for review. This also triggers e2e canary tests and wp-desktop tests automatically. [Type] Task Framework labels Mar 19, 2019

renovate bot changed the title ~~fix(deps): update babel monorepo to v7.4.0~~ fix(deps): update babel monorepo Mar 19, 2019

renovate bot force-pushed the renovate/babel-monorepo branch from 0f6c97c to 7f8768c Compare March 19, 2019 23:42

renovate bot force-pushed the renovate/babel-monorepo branch 2 times, most recently from 0439832 to 1db8ffd Compare March 21, 2019 10:42

renovate-bot and others added 2 commits March 22, 2019 10:37

fix(deps): update babel monorepo

f0f4bfc

Babel config: specify corejs: 2 for preset-env

73bc376

Needs to be specified explicitly in the latest Babel. Also remove the `shippedProposal` flag, as there are currently no proposals shipped in browsers that wouldn't already be in standard ES2018.

jsnajdr force-pushed the renovate/babel-monorepo branch from 1db8ffd to 73bc376 Compare March 22, 2019 10:22

jsnajdr added the [Status] Needs e2e Testing label Mar 22, 2019

jsnajdr approved these changes Mar 22, 2019

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simison mentioned this pull request Mar 22, 2019

Build: Move babel.config.js to calypso-build package #31464

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blowery approved these changes Mar 22, 2019

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jsnajdr merged commit ebf4978 into master Mar 22, 2019

jsnajdr deleted the renovate/babel-monorepo branch March 22, 2019 14:51

matticbot removed the [Status] Needs Review The PR is ready for review. This also triggers e2e canary tests and wp-desktop tests automatically. label Mar 22, 2019

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fix(deps): update babel monorepo #31572

fix(deps): update babel monorepo #31572

renovate bot commented Mar 19, 2019 •

edited

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fix(deps): update babel monorepo #31572

fix(deps): update babel monorepo #31572

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renovate bot commented Mar 19, 2019 • edited

Release Notes

v7.4.0

👓 Spec Compliance

🚀 New Feature

🐛 Bug Fix

💅 Polish

🏠 Internal

Renovate configuration

matticbot commented Mar 19, 2019

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renovate bot commented Mar 22, 2019

PR has been edited

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renovate bot commented Mar 19, 2019 •

edited

`v7.4.0`