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feat(complier): support type import aliasing#5836

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tanner-reits merged 2 commits intomainfrom
tr/type-import-aliasing
Jun 18, 2024
Merged

feat(complier): support type import aliasing#5836
tanner-reits merged 2 commits intomainfrom
tr/type-import-aliasing

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What is the current behavior?

Stencil does not correctly handle aliased types when generating the components.d.ts file. If a type import is aliased, the generated file will try to import only the aliased name, which cannot be resolved.

Closes: #2335

What is the new behavior?

Stencil will now import and cast (as) from the original type name to the aliased name in the generated components.d.ts file.

Documentation

N/A

Does this introduce a breaking change?

  • Yes
  • No

Testing

Tested the behavior in a component starter example.

Added a unit test for the new behavior.

Other information

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@stencil/core@4.18.3 ts
tsc --noEmit --project scripts/tsconfig.json && tsx scripts/tech-debt-burndown-report.ts

--strictNullChecks error report

Typechecking with --strictNullChecks resulted in 1081 errors on this branch.

Unfortunately, it looks like that's an increase of 1 over main 😞.

Violations Not on `main` (may be more than the count above)
Path Location Error Message
src/compiler/types/update-import-refs.ts (129, 11) TS2322

reports and statistics

Our most error-prone files
Path Error Count
src/dev-server/index.ts 37
src/dev-server/server-process.ts 32
src/compiler/prerender/prerender-main.ts 22
src/runtime/vdom/vdom-render.ts 21
src/runtime/client-hydrate.ts 20
src/screenshot/connector-base.ts 19
src/testing/puppeteer/puppeteer-element.ts 19
src/dev-server/request-handler.ts 15
src/compiler/prerender/prerender-optimize.ts 14
src/compiler/sys/stencil-sys.ts 14
src/runtime/connected-callback.ts 14
src/sys/node/node-sys.ts 14
src/compiler/prerender/prerender-queue.ts 13
src/compiler/sys/in-memory-fs.ts 13
src/runtime/set-value.ts 13
src/compiler/output-targets/output-www.ts 12
src/compiler/transformers/test/parse-vdom.spec.ts 12
src/compiler/transformers/transform-utils.ts 12
src/mock-doc/test/attribute.spec.ts 12
src/compiler/build/compiler-ctx.ts 11
Our most common errors
Typescript Error Code Count
TS2322 352
TS2345 330
TS18048 193
TS18047 76
TS2722 27
TS2532 24
TS2531 19
TS2454 14
TS2790 11
TS2352 9
TS2769 8
TS2416 7
TS2538 4
TS2493 3
TS18046 2
TS2684 1
TS2430 1

Unused exports report

There are 15 unused exports on this PR. That's the same number of errors on main, so at least we're not creating new ones!

Unused exports
File Line Identifier
src/runtime/bootstrap-lazy.ts 21 setNonce
src/screenshot/screenshot-fs.ts 18 readScreenshotData
src/testing/testing-utils.ts 198 withSilentWarn
src/utils/index.ts 145 CUSTOM
src/utils/index.ts 245 NODE_TYPES
src/utils/index.ts 269 normalize
src/utils/index.ts 7 escapeRegExpSpecialCharacters
src/compiler/app-core/app-data.ts 25 BUILD
src/compiler/app-core/app-data.ts 116 Env
src/compiler/app-core/app-data.ts 118 NAMESPACE
src/compiler/fs-watch/fs-watch-rebuild.ts 123 updateCacheFromRebuild
src/compiler/types/validate-primary-package-output-target.ts 82 satisfies
src/compiler/types/validate-primary-package-output-target.ts 82 Record
src/testing/puppeteer/puppeteer-declarations.ts 485 WaitForEventOptions
src/compiler/sys/fetch/write-fetch-success.ts 7 writeFetchSuccessSync

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PR built and packed!

Download the tarball here: https://github.com/ionic-team/stencil/actions/runs/9553358551/artifacts/1609931809

If your browser saves files to ~/Downloads you can install it like so:

unzip -d ~/Downloads ~/Downloads/stencil-core-4.18.3-dev.1718651444.d8524be.tgz.zip && npm install ~/Downloads/stencil-core-4.18.3-dev.1718651444.d8524be.tgz

@tanner-reits tanner-reits marked this pull request as ready for review June 17, 2024 20:09
@tanner-reits tanner-reits requested a review from a team as a code owner June 17, 2024 20:09
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LGTM 👍

@tanner-reits tanner-reits added this pull request to the merge queue Jun 18, 2024
Merged via the queue into main with commit 7ffb25d Jun 18, 2024
@tanner-reits tanner-reits deleted the tr/type-import-aliasing branch June 18, 2024 18:44
github-merge-queue bot pushed a commit to ionic-team/ionic-framework that referenced this pull request Jun 26, 2024
### Release Notes

<details>
<summary>ionic-team/stencil (@&#8203;stencil/core)</summary>

###
[`v4.19.0`](https://togithub.com/ionic-team/stencil/blob/HEAD/CHANGELOG.md#-4190-2024-06-26)

[Compare
Source](https://togithub.com/ionic-team/stencil/compare/v4.18.3...v4.19.0)

### Bug Fixes

* **compiler:** support rollup's external input option
([#3227](stenciljs/core#3227))
([2c68849](stenciljs/core@2c68849)),
fixes [#3226](stenciljs/core#3226)
* **emit:** don't emit test files
([#5789](stenciljs/core#5789))
([50892f1](stenciljs/core@50892f1)),
fixes [#5788](stenciljs/core#5788)
* **hyrdate:** support vdom annotation in nested dsd structures
([#5856](stenciljs/core#5856))
([61bb5e3](stenciljs/core@61bb5e3))
* label attribute not toggling input
([#3474](stenciljs/core#3474))
([13db920](stenciljs/core@13db920)),
fixes [#3473](stenciljs/core#3473)
* **mock-doc:** expose ShadowRoot and DocumentFragment globals
([#5827](stenciljs/core#5827))
([98bbd7c](stenciljs/core@98bbd7c)),
fixes [#3260](stenciljs/core#3260)
* **runtime:** allow watchers to fire w/ no Stencil members
([#5855](stenciljs/core#5855))
([850ad4f](stenciljs/core@850ad4f)),
fixes [#5854](stenciljs/core#5854)
* **runtime:** catch errors in async lifecycle methods
([#5826](stenciljs/core#5826))
([87e5b33](stenciljs/core@87e5b33)),
fixes [#5824](stenciljs/core#5824)
* **runtime:** don't register listener before connected to DOM
([#5844](stenciljs/core#5844))
([9d7021f](stenciljs/core@9d7021f)),
fixes [#4067](stenciljs/core#4067)
* **runtime:** properly assign style declarations
([#5838](stenciljs/core#5838))
([5c10ebf](stenciljs/core@5c10ebf))
* **testing:** allow to re-use pages across it blocks
([#5830](stenciljs/core#5830))
([561eab4](stenciljs/core@561eab4)),
fixes [#3720](stenciljs/core#3720)
* **typescript:** remove unsupported label property
([#5840](stenciljs/core#5840))
([d26ea2b](stenciljs/core@d26ea2b)),
fixes [#3473](stenciljs/core#3473)


### Features

* **cli:** support generation of sass and less files
([#5857](stenciljs/core#5857))
([1883812](stenciljs/core@1883812)),
closes [#2155](stenciljs/core#2155)
* **compiler:** generate export maps on build
([#5809](stenciljs/core#5809))
([b6d2404](stenciljs/core@b6d2404))
* **complier:** support type import aliasing
([#5836](stenciljs/core#5836))
([7ffb25d](stenciljs/core@7ffb25d)),
closes [#2335](stenciljs/core#2335)
* **runtime:** support declarative shadow DOM
([#5792](stenciljs/core#5792))
([c837063](stenciljs/core@c837063)),
closes [#4010](stenciljs/core#4010)
* **testing:** add `toHaveLastReceivedEventDetail` event spy matcher
([#5829](stenciljs/core#5829))
([63491de](stenciljs/core@63491de)),
closes [#2488](stenciljs/core#2488)
* **testing:** allow to disable network error logging via
'logFailingNetworkRequests' option
([#5839](stenciljs/core#5839))
([dac3e33](stenciljs/core@dac3e33)),
closes [#2572](stenciljs/core#2572)
* **testing:** expose captureBeyondViewport in pageCompareScreenshot
([#5828](stenciljs/core#5828))
([cf6a450](stenciljs/core@cf6a450)),
closes [#3188](stenciljs/core#3188)

</details>
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The compiler does not support import { foo as bar } from '...'

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