feat: TypeScript 4.2 syntax support

[armano2]

Ast structure addition:

• JSXNamespacedName will now be generated when jsx namespace is used in jsx attribute or tag name

  <foo:bar />;
  <div foo:bar="1" />;

  JSXNamespacedName <: Node {
    type: "JSXNamespacedName"
    namespace: JSXIdentifier
    name: JSXIdentifier
  }

• TSConstructorType will now support abstract construct signatures

  TSConstructorType <: Node {
    abstract: boolean
  }

  let Ctor: abstract new () => HasArea = Shape;

TODO:

• update typescript to 4.2.x
• add support for abstract construct signatures
• add parsing of JSXNamespacedName
• investigate <a:b.c></a:b.c> and <this:b></this:b> Jsx namespaced name and attributes microsoft/TypeScript#42963
• investigate usage of noPropertyAccessFromIndexSignature [dot-notation] add support for TS4.2's noPropertyAccessFromIndexSignature option #3104

fixes #2935

[typescript-eslint]

Thanks for the PR, @armano2!

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The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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[armano2]

this change is unrelated to upgrade of typescript

[alitaheri]

Will this change also support this syntax?

export type Type<T extends number> = `my-id-${T}`;
// Getting error:                    ^ Parsing error: Type expected.

[bradzacher]

Template string types are already supported as part of our TS 4.1 support.

If you're having issues, ensure you update your versions.

[codecov]

Codecov Report

Merging #3112 (c843ee3) into master (cf86f42) will increase coverage by 0.00%.
The diff coverage is 95.45%.

@@           Coverage Diff           @@
##           master    #3112   +/-   ##
=======================================
  Coverage   92.90%   92.90%           
=======================================
  Files         315      315           
  Lines       10709    10699   -10     
  Branches     3039     3022   -17     
=======================================
- Hits         9949     9940    -9     
+ Misses        344      342    -2     
- Partials      416      417    +1     

Flag	Coverage Δ
unittest	92.90% <95.45%> (+<0.01%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
...pt-estree/src/ts-estree/estree-to-ts-node-types.ts	100.00% <ø> (ø)
packages/typescript-estree/src/convert.ts	98.24% <95.45%> (-0.13%)	⬇️
packages/scope-manager/src/analyze.ts	65.38% <0.00%> (-5.59%)	⬇️
...ges/scope-manager/src/referencer/PatternVisitor.ts	68.29% <0.00%> (-0.76%)	⬇️
...es/eslint-plugin/src/rules/no-invalid-void-type.ts	95.23% <0.00%> (-0.12%)	⬇️
...nt-plugin/src/rules/no-unused-vars-experimental.ts	91.39% <0.00%> (-0.10%)	⬇️
...eslint-plugin/src/rules/consistent-type-imports.ts	93.58% <0.00%> (-0.06%)	⬇️
...ackages/eslint-plugin/src/rules/member-ordering.ts	98.41% <0.00%> (-0.05%)	⬇️
...kages/scope-manager/src/referencer/ClassVisitor.ts	91.96% <0.00%> (+0.07%)	⬆️
.../experimental-utils/src/eslint-utils/RuleTester.ts	9.30% <0.00%> (+0.21%)	⬆️
... and 1 more

[armano2]

update: JSXNamespacedName is now supported

[bradzacher]

thanks!

[bradzacher]

needs to be updated with master

[DerZyklop]

@alitaheri is your issue solved?

[armano2]

@DerZyklop yes version has been updated in patch release 4.16.1

[alitaheri]

@DerZyklop yes, tested it just now. no more errors 👍🏼