Fix: declare var require: NodeRequire #7049

larsw · 2015-12-04T10:48:56Z

tsc reports an error that the require variable should be of type NodeRequire and not Require.
Works with this fix.

tsc reports an error that the require variable should be of type NodeRequire and not Require. Works with this fix.

dt-bot · 2015-12-04T10:48:57Z

requirejs/require.d.ts

to author (@jbaldwin). Could you review this PR?
👍 or 👎?

Checklist

pass the Travis CI test?

vvakame · 2015-12-10T12:09:03Z

#6083

simonh1000 · 2016-01-02T07:07:45Z

Hope this gets merged soon

dsebastien · 2016-02-04T21:43:22Z

+1 for the merge :)

dsebastien · 2016-04-07T18:11:09Z

Any news about this one?

ghost · 2016-04-07T20:09:32Z

Jumping in on this one as well.

jbaldwin · 2016-04-08T00:56:53Z

👍 sorry for missing this one

requiemforameme · 2016-05-26T12:13:46Z

Any status on the PR? I know it's very minor but I don't have "rights" to merge it right now.

I'm guessing the build failed because there is some dependency on Node?

For anyone wondering how to quick fix it. Just change

Require to NodeRequire on line 398 in typings/browser/ambient/require/index.d.ts.

vvakame · 2016-06-02T14:12:55Z

@larsw please fix travis ci failed and resolve conflict.

mhegazy · 2016-06-30T21:50:43Z

Thanks for your contribution. This PR has failing CI tests and can not be merged in at the time being. For housekeeping purposes we are closing stale PRs. If you'd still like to merge this code in, please open a new PR that has been merged and rebased with the master branch.

dotob · 2016-07-13T18:38:17Z

Can please make someone a suggestion how to solve this? If someone includes node and require they seem to clash. This is soo annoying.

wgv-sethlivingston · 2016-07-29T21:37:06Z

I "fixed" this by modifying the .d.ts files for Node and RequireJS:

declare var require: NodeRequire|Require

This needs to be done in both .d.ts files, so one PR with this fix will not fix the error. Ideas?

- run "npm update" - clean package.json - switch deprecated packages to non-deprecated ones - mainly switch from "tsd" to "typings" NOTE: node.d.ts and require.d.ts have been manually edited to prevent Require and NodeRequire from clashing (see e.g. DefinitelyTyped/DefinitelyTyped#7049 (comment)) - replace "throw err; return null;" with "return Promise.reject(err)", as typescript and throwing does not work together (see e.g. microsoft/TypeScript#7588) - fix some other typing stuff - fix 'use strict';s to be on top of the files Please run "rm -r node_modules; npm install" after getting this commit.

Cabeda · 2016-12-07T09:35:20Z

+1

pablorsk · 2016-12-21T17:00:31Z

This issue is related with the next errors:

ERROR in node_modules/@types/webpack-env/index.d.ts
(183,13): error TS2403: Subsequent variable declarations must have the same type.  Variable 'require' must be of type 'NodeRequire', but here has type 'RequireFunction'.

ERROR in node_modules/@types/webpack-env/index.d.ts
(232,13): error TS2403: Subsequent variable declarations must have the same type.  Variable 'module' must be of type 'NodeModule', but here has type 'Module'.

ERROR in ./autoload.ts
(8,21): error TS2339: Property 'context' does not exist on type 'NodeRequire'.

Problem come when you try use this types:

@types/node
@types/webpack
@types/webpack-env

Any one know a provional fix?

ghost · 2017-02-11T21:53:40Z

@pablorsk I ran into a similar error I long time ago. It was for typings modules at the time. I ended up just going to the source and changing the type of the var require to type NodeRequire from RequireFunction where the transpiler told me the error occurred. I would've thought they had that fixed by now...

GaikwadPratik · 2017-02-19T04:51:06Z

@Nocomm The issue still happens with @types definitions. Are you recommending to use typings instead?

ghost · 2017-02-19T21:41:30Z

No. The error @pablorsk was seeing was the exact same error I saw for a typings definition. There's nothing spectacularly different about the two definition libraries aside from where they are located. So, the same fix I used could possibly be applied to his problem as well.

GaikwadPratik · 2017-02-19T22:50:20Z

@Dachizy okay. I had the same issue. But I did something different to resolve this. I went to source of requirejs.d.ts in @types and commented the definition of declare var require: Require; .

zealitude · 2017-04-28T03:04:04Z

I solve the problem by deleting the /node_module and npm install everything again.

iProLRyan · 2017-05-08T06:11:05Z

Hi Guys, Thanks for posting this information, it helped me produce a solution that does not involve changing type definitions from npm/typings, but rather allows us to merge interfaces and allow NodeRequire to accept require<any>('blah.css');

I have not played with requirejs, or node type definitions.

Replace your require definition with an interface, as TS will Auto merge them for us.
I placed this in /src/definitions.d.ts and it is working perfectly.

// Allow typescript to import css files (and other media)
interface NodeRequire {
    <T>(path: string): T;
    (paths: string[], callback: (...modules: any[]) => void): void;
    ensure: (paths: string[], callback: (require: <T>(path: string) => T) => void) => void;
}

If this is fundamentally wrong, please tell me why, as I am fairly new to TS. Hope it can help others.

reference: https://www.typescriptlang.org/docs/handbook/declaration-merging.html

pablorsk · 2017-05-08T11:48:19Z

Maybe we need start again with new version of @types/node

We use "@types/node": "^7.0.15", and the problem is gone... Can you try this?

If you have the same problem, please, share your includes @types. (try with remove and reinstal node_modules fisrt)

iProLRyan · 2017-05-08T22:15:20Z

I may have something else going on, but I am using node ^7.0.18 - see package.json below for versions of my included types

"dependencies": {
    "@types/auth0-lock": "^10.10.1",
    "@types/jest": "^19.2.2",
    "@types/jwt-decode": "^1.4.28",
    "@types/node": "^7.0.18",
    "@types/react": "^15.0.21",
    "@types/react-bootstrap": "^0.0.49",
    "@types/react-dom": "^0.14.23",
    "@types/react-redux": "^4.4.38",
    "@types/react-router-dom": "^4.0.3",
    "@types/react-router-redux": "^5.0.0",
    "@types/redux-thunk": "^2.1.0"

Fix: declare var require: NodeRequire

aab398d

tsc reports an error that the require variable should be of type NodeRequire and not Require. Works with this fix.

dsebastien mentioned this pull request Feb 5, 2016

Remove custom require typings dsebastien/angularjs-webpack-starter#10

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vvakame force-pushed the master branch from b23be2e to 8c9d2af Compare April 14, 2016 12:46

mhegazy added the Revision needed This PR needs code changes before it can be merged. label Jun 23, 2016

mhegazy closed this Jun 30, 2016

Blizzara mentioned this pull request Sep 11, 2016

Update dependencies teekkarispeksi/nappikauppa2#81

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Fix: declare var require: NodeRequire #7049

Fix: declare var require: NodeRequire #7049

larsw commented Dec 4, 2015

dt-bot commented Dec 4, 2015 •

edited by vvakame

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mhegazy commented Jun 30, 2016

dotob commented Jul 13, 2016

wgv-sethlivingston commented Jul 29, 2016

Cabeda commented Dec 7, 2016

pablorsk commented Dec 21, 2016

ghost commented Feb 11, 2017

GaikwadPratik commented Feb 19, 2017

ghost commented Feb 19, 2017

GaikwadPratik commented Feb 19, 2017

zealitude commented Apr 28, 2017

iProLRyan commented May 8, 2017 •

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pablorsk commented May 8, 2017

iProLRyan commented May 8, 2017

Fix: declare var require: NodeRequire #7049

Fix: declare var require: NodeRequire #7049

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larsw commented Dec 4, 2015

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mhegazy commented Jun 30, 2016

dotob commented Jul 13, 2016

wgv-sethlivingston commented Jul 29, 2016

Cabeda commented Dec 7, 2016

pablorsk commented Dec 21, 2016

ghost commented Feb 11, 2017

GaikwadPratik commented Feb 19, 2017

ghost commented Feb 19, 2017

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zealitude commented Apr 28, 2017

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iProLRyan commented May 8, 2017

dt-bot commented Dec 4, 2015 •

edited by vvakame

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iProLRyan commented May 8, 2017 •

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