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eslint: Enable consistent-type-imports #1832
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2 changes: 1 addition & 1 deletion
2
packages/cheatsheet/src/lib/components/CheatsheetLegendComponent.tsx
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2 changes: 1 addition & 1 deletion
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packages/cheatsheet/src/lib/components/CheatsheetListComponent.tsx
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,4 +1,4 @@ | ||
import { | ||
import type { | ||
RangePlainObject, | ||
SelectionPlainObject, | ||
SerializedMarks, | ||
|
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2 changes: 1 addition & 1 deletion
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packages/common/src/types/command/DestinationDescriptor.types.ts
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It's possible to do this in one line
Is there a way to get it to do that?
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Huh looks like there are 4 different lint rules / options related to this question:
I'd be tempted to have one PR that gets us to the configuration we're after in one go, rather than multiple PRs that touch all of our imports, given that I'd imagine they could interact in interesting ways
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@auscompgeek maybe let's aim to discuss this inlinePlan to discuss at meet-up
type
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After discussion, we want to:
"@typescript-eslint/consistent-type-imports": "error"
--verbatimModuleSyntax
TS flag"import/consistent-type-specifier-style": ["error", "prefer-top-level"]
"import/no-duplicates": "error"
(note we don't needprefer-inline
because we don't use inline)The reasoning is that we want
import type
to be like its own kind of statement that we know always gets dropped in the output Javascript, and in addition, if we were to have a rule whereimport {type foo}
=>import type {foo}
only when there are no non-type imports in the statement, it would feel a bit inconsistent that it doesn't happen when there are non-type imports. The proposed rule is simpler: types always get imported in their own statement, and never have side effectsEach step should be its own PR, and they should be in the above order. Note that 1) must come before 2) because without 2), 1) should have no side effects, and then the effects of 2) should become more clear once 1) is in
Note that we don't need
no-import-type-side-effects
lint rule because 2 and 3 won't allow us to have inlinetype
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We want to test the following cases:
For each of the above cases, we want to test:
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I still never got a chance to test that matrix, but up until TypeScript 5.3 whether auto-import used
import type
depends on thetsconfig
. TypeScript 5.3 adds an IDE setting to prefer auto-importing withimport type
https://devblogs.microsoft.com/typescript/announcing-typescript-5-3/#settings-to-prefer-type-auto-importsThe presence of this lint rule will obviously not affect auto-import behaviour since eslint doesn't change the tsconfig. The auto-import behaviour probably isn't too big of an issue anyway since we all have eslint autofix on save, I believe.