Build(deps): Bump ember-cli-typescript from 2.0.2 to 4.1.0

[dependabot-preview]

Bumps ember-cli-typescript from 2.0.2 to 4.1.0.

Release notes

Sourced from ember-cli-typescript's releases.

Auto-import suggestions are handy

Added ⭐️

• Install @types/ember packages separately via blueprint (#1383)

Documentation 📖

• Octane and much polish and clarification (#935)
• Fix working with ember outline links (#1394)
• Docs fixes (#1395)
• Fix typos in the Ember Routes docs (#1400)

Under the hood 🚗

• Fix qunit types conflict (#1344)
• Bump @types/ember-qunit & @types/qunit to resolve types conflict (#1380)
• Fix commitlint action config (#1388)
• Dependency updates ([4.1.0-deps-bumps])

#935: typed-ember/ember-cli-typescript#935 #1344: typed-ember/ember-cli-typescript#1344 #1380: typed-ember/ember-cli-typescript#1380 #1383: typed-ember/ember-cli-typescript#1383 #1388: typed-ember/ember-cli-typescript#1388 #1394: typed-ember/ember-cli-typescript#1394 #1395: typed-ember/ember-cli-typescript#1395 #1400: typed-ember/ember-cli-typescript#1400 [4.1.0-deps-bumps]: https://github.com/typed-ember/ember-cli-typescript/pulls?q=is%3Apr+is%3Amerged+base%3Amaster+merged%3A2020-09-02T17%3A55%3A00-0400..2021-02-03T16%3A00%3A00-0500+chore%28deps%29+in%3Atitle+sort%3Aupdated-asc+

No relation to TypeScript 4.0

Overview

ember-cli-typescript no longer manages your Babel configuration, because ember-cli-babel does. This is an early step toward officially supporting TS across the Ember ecosystem. It also means that we now use Babel’s default configuration, which also comes with a small change to align better with the JavaScript spec around class fields.

For most cases, you won’t notice the difference, but if you were previously using TypeScript’s constructor property shorthand to define default values and using those values in a class field initializer, like this—

class Demo {
  constructor(public name = '') {}
  public nameLen = this.name.length;
}

—you will find that the initializer now fails. This is because the spec requires that class field initializers run before anything in the class constructor’s body except a super call, and TS’s custom syntax here is not part of the spec, and Babel therefore runs it after all other class field initializers.

This particular pattern was always a refactoring hazard: class field initializers should not refer to this because they can be broken by unrelated changes in surprising ways. This particular code will now not work at all, so you will need to migrate away from it. You can replace it with this code instead:

class Demo {
  public nameLen: number;
</tr></table> 

... (truncated)

Changelog

Sourced from ember-cli-typescript's changelog.

[4.1.0] - 2021-02-03

Added ⭐️

• Install @types/ember packages separately via blueprint (#1383)

Documentation 📖

• Octane and much polish and clarification (#935)
• Fix working with ember outline links (#1394)
• Docs fixes (#1395)
• Fix typos in the Ember Routes docs (#1400)

Under the hood 🚗

• Fix qunit types conflict (#1344)
• Bump @types/ember-qunit & @types/qunit to resolve types conflict (#1380)
• Fix commitlint action config (#1388)
• Dependency updates ([4.1.0-deps-bumps])

#935: typed-ember/ember-cli-typescript#935 #1344: typed-ember/ember-cli-typescript#1344 #1380: typed-ember/ember-cli-typescript#1380 #1383: typed-ember/ember-cli-typescript#1383 #1388: typed-ember/ember-cli-typescript#1388 #1394: typed-ember/ember-cli-typescript#1394 #1395: typed-ember/ember-cli-typescript#1395 #1400: typed-ember/ember-cli-typescript#1400 [4.1.0-deps-bumps]: https://github.com/typed-ember/ember-cli-typescript/pulls?q=is%3Apr+is%3Amerged+base%3Amaster+merged%3A2020-09-02T17%3A55%3A00-0400..2021-02-03T16%3A00%3A00-0500+chore%28deps%29+in%3Atitle+sort%3Aupdated-asc+

[4.0.0] - 2020-09-02

Breaking 💥

• Drop support for Node 8 (#1017)
• Don't configure Babel for TS transpilation (#1018)

Added ⭐️

• Don't run type-checking middleware when an existing build is used via --path (#1148)

Changed 💥

• Update tsconfig.json blueprint target value to 2020 (#1108)
• Use prepack and postpack instead of prepublishOnly and postpublish (#1196)

Fixed 🔧

• Bring apps closer to type-checking out of the box (#1169)

... (truncated)

Commits

• feea3d8 chore: release v4.1.0
• 529f057 Merge pull request #1400 from gitKrystan/fix-resolved-typo
• 48b9cb3 docs: fix typos in Ember Routes docs
• ecb513b Merge pull request #1395 from typed-ember/docs_fixes
• df45945 docs(legacy): fix typo
• 3505e36 docs(ember): reorder outline and remove overview
• a8d85ab Merge pull request #1394 from typed-ember/fix_working-with-ember_outline_links
• a516a4e docs: fix working with ember outline links
• 7177b77 chore(readme): update documentation link
• 0d760c2 Merge pull request #935 from typed-ember/octane-docs
• Additional commits viewable in compare view

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[dependabot-preview]

Superseded by #299.