Describe the bug
A recent release of @types/prettier (2.6.1) updated the minimum typescript version from 3.7 to 4.2, which is not supported.
@types/prettier is a transitive dependency
npm explain @types/prettier
@types/prettier@2.6.1 dev
node_modules/@types/prettier
@types/prettier@"^2.1.5" from jest-snapshot@27.5.1
node_modules/jest-snapshot
jest-snapshot@"^27.5.1" from @jest/core@27.5.1
node_modules/@jest/core
@jest/core@"^27.5.1" from jest@27.5.1 Expected Behavior
No error.
Current Behavior
When trying to build a typescript app you get the error message:
node_modules/@types/prettier/index.d.ts:41:54 - error TS2315: Type 'IsTuple' is not generic.
41 type IndexProperties<T extends { length: number }> = IsTuple<T> extends true
~~~~~~~~~~
node_modules/@types/prettier/index.d.ts:53:6 - error TS2456: Type alias 'IsTuple' circularly references itself.
53 type IsTuple<T> = T extends [] ? true : T extends [infer First, ...infer Remain] ? IsTuple<Remain> : false;
~~~~~~~
node_modules/@types/prettier/index.d.ts:53:65 - error TS2574: A rest element type must be an array type.
53 type IsTuple<T> = T extends [] ? true : T extends [infer First, ...infer Remain] ? IsTuple<Remain> : false;
~~~~~~~~~~~~~~~
node_modules/@types/prettier/index.d.ts:53:84 - error TS2315: Type 'IsTuple' is not generic.
53 type IsTuple<T> = T extends [] ? true : T extends [infer First, ...infer Remain] ? IsTuple<Remain> : false;
~~~~~~~~~~~~~~~
node_modules/@types/prettier/index.d.ts:96:5 - error TS2589: Type instantiation is excessively deep and possibly infinite.
96 call<
~~~~
node_modules/@types/prettier/index.d.ts:131:5 - error TS2589: Type instantiation is excessively deep and possibly infinite.
131 each<
~~~~
node_modules/@types/prettier/index.d.ts:165:5 - error TS2589: Type instantiation is excessively deep and possibly infinite.
165 map<
~~~
Found 7 errors.Reproduction Steps
Step 1 - create a new CDK app
cdk init --language=typescript app
Step 2 - Try to build
Possible Solution
Pin @types/prettier to 2.6.0 in devDependencies
package.json
{
"devDependencies": {
"@types/prettier": "2.6.0"
}
}
Additional Information/Context
No response
CDK CLI Version
2.24.0
Framework Version
No response
Node.js Version
16.14.0
OS
Linux
Language
Typescript
Language Version
No response
Other information
No response
Describe the bug
A recent release of
@types/prettier(2.6.1) updated the minimumtypescriptversion from3.7to4.2, which is not supported.@types/prettieris a transitive dependencyExpected Behavior
No error.
Current Behavior
When trying to build a typescript app you get the error message:
Reproduction Steps
Step 1 - create a new CDK app
Step 2 - Try to build
Possible Solution
Pin
@types/prettierto2.6.0indevDependenciespackage.json
Additional Information/Context
No response
CDK CLI Version
2.24.0
Framework Version
No response
Node.js Version
16.14.0
OS
Linux
Language
Typescript
Language Version
No response
Other information
No response