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so sad...Subsequent variable declarations must have the same type. Variable 'a' must be of type #20863

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txiaocao opened this issue Oct 23, 2017 · 6 comments
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so sad...Subsequent variable declarations must have the same type. Variable 'a' must be of type #20863

txiaocao opened this issue Oct 23, 2017 · 6 comments

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@txiaocao
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txiaocao commented Oct 23, 2017 •
edited

  • I tried using the @types/react@latest package and had problems.
  • I tried using the latest stable version of tsc.
    npm run tsc -v
    3.10.10

the console

> @kemao-node-basis/project-tools@1.5.0 tsc /disk0/repository/kemao-node-basis/project-tools
> tsc "-p" "src"

node_modules/@types/react-dom/index.d.ts(16,43): error TS2305: Module '"/disk0/repository/kemao-node-basis/project-tools/node_modules/@types/react-dom/node_modules/@types/react/index"' has no exported member 'ReactPortal'.
node_modules/@types/react-dom/node_modules/@types/react/index.d.ts(3464,13): error TS2403: Subsequent variable declarations must have the same type.  Variable 'a' must be of type 'DetailedHTMLProps<AnchorHTMLAttributes<HTMLAnchorElement>, HTMLAnchorElement>', but here has type 'DetailedHTMLProps<AnchorHTMLAttributes<HTMLAnchorElement>, HTMLAnchorElement>'.
node_modules/@types/react-dom/node_modules/@types/react/index.d.ts(3465,13): error TS2403: Subsequent variable declarations must have the same type.  Variable 'abbr' must be of type 'DetailedHTMLProps<HTMLAttributes<HTMLElement>, HTMLElement>', but here has type 'DetailedHTMLProps<HTMLAttributes<HTMLElement>, HTMLElement>'.
node_modules/@types/react-dom/node_modules/@types/react/index.d.ts(3466,13): error TS2403: Subsequent variable declarations must have the same type.  Variable 'address' must be of type 'DetailedHTMLProps<HTMLAttributes<HTMLElement>, HTMLElement>', but here has type 'DetailedHTMLProps<HTMLAttributes<HTMLElement>, HTMLElement>'.

about the react tree

├── @types/node@7.0.46
├── @types/react@16.0.18
├─┬ @types/react-dom@16.0.2
│ ├── @types/node@8.0.46
│ └── @types/react@16.0.5
├─┬ @types/react-router@4.0.16
│ └── @types/history@4.6.1
├─┬ @types/tape@4.2.30
│ └── @types/node@8.0.46
├─┬ @types/uglify-js@2.6.29
│ └── @types/source-map@0.5.1
├─┬ @types/webpack@3.0.13
│ ├── @types/node@8.0.46
│ ├── @types/tapable@0.2.4
│ └── @types/uglify-js@2.6.28

I use yarn outdated yarn upgrade and deleted yarn.lock and use install @types/react@latest @types/react-dom@latest but not resolve the problem
@txiaocao
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txiaocao commented Oct 23, 2017 •
edited

use npm remove @types/react-dom --save-dev is okay....
maybe the @types/react-dom had the same @types/react???

@edidiway
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edidiway commented Nov 11, 2017 •
edited

hi, I am also face the same problem
I am using @types/react-dom@16.0.3,

and this is the error
ERROR in [at-loader] ./node_modules/@types/react-dom/index.d.ts:16:43
TS2305: Module '"./node_modules/@types/react/index"' has no exported member 'ReactPortal'.

@ehrencrona
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The problem is that you are using a different version of @types/react from @types/react-dom. I can reproduce this issue e.g. using the following versions:

    "@types/react": "^15.6.7",
    "@types/react-dom": "^16.0.3",

Upgrading @types/react to 16.0.3 solves the issue.

@kajmagnus
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Also see this issue: #20942 — I had to add a resolutions: ... and tell Yarn to only use 16.0.x, because otherwise Yarn wanted to keep 15.x alongside with the new 16.0.x I'm upgrading to, and then Typescript found 99999 errors.

@dengue8830
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in my case if fix it with

"@types/react": "16.0.34",
"@types/react-dom": "16.0.3"

@djlxiaoshi djlxiaoshi mentioned this issue Mar 20, 2018
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@orta orta closed this as completed Jun 7, 2021
@orta
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orta commented Jun 7, 2021

Hi thread, we're moving DefinitelyTyped to use GitHub Discussions for conversations the @types modules in DefinitelyTyped.

To help with the transition, we're closing all issues which haven't had activity in the last 6 months, which includes this issue. If you think closing this issue is a mistake, please pop into the TypeScript Community Discord and mention the issue in the definitely-typed channel.

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@orta @ehrencrona @edidiway @txiaocao @dengue8830 @kajmagnus