fix(@ngtools/webpack): elide imports for implements keywords
#16995
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alan-agius4
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action: merge
filipesilva
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clydin
and removed request for
filipesilva
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Asking @clydin for review instead since he's more familiar with this transformer and I am mostly out of office. |
clydin
reviewed
Feb 17, 2020
packages/ngtools/webpack/src/transformers/remove-ivy-jit-support-calls_spec.ts
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Running the `remove-ivy-jit-support-calls` and `remove_decorators` transformers causes the following TS bug microsoft/TypeScript#17552 which is why the `elide-imports` transformer exists in the first place. However, when having a syntax like the below; ```ts import { AccountComponentChild } from '../@types'; export class SignUpComponent implements AccountComponentChild{} ``` The `implements` parts of the class is called a `HeritageClause` with child statements of `ExpressionWithTypeArguments` also the same is for `abstract`. With this change we check the token of the `HeritageClause` and if it's an `ImplementsKeyword` we elide the import. Closes #16907
clydin
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Feb 19, 2020
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Running the
remove-ivy-jit-support-callsandremove_decoratorstransformers causes the following TS bug microsoft/TypeScript#17552 which is why theelide-importstransformer exists in the first place.However, when having a syntax like the below;
The
implementsparts of the class is called aHeritageClausewith child statements ofExpressionWithTypeArgumentsalso the same is forabstract. With this change we check the token of theHeritageClauseand if it's anImplementsKeywordwe elide the import.Closes #16907
Ref TOOL-1324