Apollo-client: DevTools failed to load SourceMap from @apollo/client

[a-x-]

DevTools failed to load SourceMap: Could not load content for 
webpack:///node_modules/@apollo/client/utilities/observables/Observable.js.map: HTTP error: status code 404, 
net::ERR_UNKNOWN_URL_SCHEME

Intended outcome:
I just added the apollo/client to my Webpack/TS/React project and now I have a tons of warnings in my devtools.
I can use some hack to ignore them, but you might wants to know about this inconvenience.

I also added 'source-map-loader', and now warnings had change:

./node_modules/@apollo/client/version.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from '/Users/ruafjxn/rayf/custody-rbo-widget/node_modules/@apollo/src/version.ts' file: Error: ENOENT: no such file or directory, open '/Users/ruafjxn/rayf/custody-rbo-widget/node_modules/@apollo/src/version.ts'

Actual outcome:
There is not any warnings.

How to reproduce the issue:
Just import apollo/client and run a project with webpack. I use webpack@4

Versions
npx envinfo@latest --preset apollo --clipboard

  System:
    OS: macOS 10.15.6
  Binaries:
    Node: 10.19.0 - ~/.nvm/versions/node/v10.19.0/bin/node
    Yarn: 1.22.0 - /usr/local/bin/yarn
    npm: 6.14.7 - ~/.nvm/versions/node/v10.19.0/bin/npm
  Browsers:
    Chrome: 84.0.4147.89
  npmPackages:
    @apollo/client: ^3.1.3 => 3.1.3 

[a-x-]

[bennypowers]

The fix for this is easy - just include typescript sources in package.json files field.

EDIT: I see now that tsc outputs to dist. perhaps the postbuild should be amended to copy over the source files to dist

[ryan-zheng-teki]

@bennypowers Do you mean to include the files in the apollo-client package.json and repackage the apollo-client or in our own package.json?

[bennypowers]

@ryan-zheng-teki yes, I'm suggesting to ship the typescript source files in the npm package tarball, or alternatively, to ship inline source map comments.

edit: what I mean is that apollo-client should do this. If you want to, you can fork and rebuild locally, I suppose

[Billy-]

ship the typescript source files in the npm package tarball

I thougt I'd try this out: https://github.com/apollographql/apollo-client/compare/main...Billy-:fix-ts-sourcemaps

But unfortunately getting a lot of typescript errors in my build when I used the linked package.. :slightly_frowning_face:

Webpack / TypeScript Error Details

ERROR in /<local-linked-module>/apollo-client/dist/link/core/ApolloLink.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/link/core/ApolloLink.ts(138,5)
      TS6133: 'operation' is declared but its value is never read.

ERROR in /<local-linked-module>/apollo-client/dist/link/core/ApolloLink.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/link/core/ApolloLink.ts(139,5)
      TS6133: 'forward' is declared but its value is never read.

ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/storeUtils.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/storeUtils.ts(259,4)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts(122,9)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts(175,9)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts(370,9)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts(393,9)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/utilities/graphql/transform.ts(496,9)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/utilities/common/filterInPlace.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/utilities/common/filterInPlace.ts(8,19)
      TS2683: 'this' implicitly has type 'any' because it does not have a type annotation.

ERROR in /<local-linked-module>/apollo-client/dist/cache/core/cache.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/cache/core/cache.ts(82,19)
      TS6133: 'object' is declared but its value is never read.

ERROR in /<local-linked-module>/apollo-client/dist/cache/core/cache.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/cache/core/cache.ts(90,17)
      TS6133: 'options' is declared but its value is never read.

ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/policies.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/policies.ts(193,40)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/policies.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/policies.ts(442,6)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/policies.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/policies.ts(453,6)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/entityStore.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/entityStore.ts(377,45)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/inMemoryCache.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/inMemoryCache.ts(335,19)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/readFromStore.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/readFromStore.ts(171,5)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/readFromStore.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/cache/inmemory/readFromStore.ts(346,5)
      TS7030: Not all code paths return a value.

ERROR in /<local-linked-module>/apollo-client/dist/core/ObservableQuery.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/core/ObservableQuery.ts(208,12)
      TS2790: The operand of a 'delete' operator must be optional.

ERROR in /<local-linked-module>/apollo-client/dist/core/ObservableQuery.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/core/ObservableQuery.ts(209,12)
      TS2790: The operand of a 'delete' operator must be optional.

ERROR in /<local-linked-module>/apollo-client/dist/core/ObservableQuery.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/core/ObservableQuery.ts(210,12)
      TS2790: The operand of a 'delete' operator must be optional.

ERROR in /<local-linked-module>/apollo-client/dist/core/ObservableQuery.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/core/ObservableQuery.ts(502,14)
      TS2790: The operand of a 'delete' operator must be optional.

ERROR in /<local-linked-module>/apollo-client/dist/core/QueryInfo.ts
[tsl] ERROR in /<local-linked-module>/apollo-client/dist/core/QueryInfo.ts(225,12)
      TS2790: The operand of a 'delete' operator must be optional.

[bennypowers]

@Billy- do you exclude node_modules in tsconfig?

[Billy-]

Yes, I have

    "node_modules",
    "**/node_modules/*",

in my tsconfig

[Billy-]

I have made a minimal reproduction in a repo: https://github.com/Billy-/apollo-client-test

This also includes another problem, which I am going to create an issue for soon.

git clone [email protected]:Billy-/apollo-client-test.git
npm i
npm run dev

[silnose]

DevTools failed to load SourceMap: Could not load content for 
webpack:///node_modules/@apollo/client/utilities/observables/Observable.js.map: HTTP error: status code 404, 
net::ERR_UNKNOWN_URL_SCHEME

Intended outcome:
I just added the apollo/client to my Webpack/TS/React project and now I have a tons of warnings in my devtools.
I can use some hack to ignore them, but you might wants to know about this inconvenience.

I also added 'source-map-loader', and now warnings had change:

./node_modules/@apollo/client/version.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from '/Users/ruafjxn/rayf/custody-rbo-widget/node_modules/@apollo/src/version.ts' file: Error: ENOENT: no such file or directory, open '/Users/ruafjxn/rayf/custody-rbo-widget/node_modules/@apollo/src/version.ts'

Actual outcome:
There is not any warnings.

How to reproduce the issue:
Just import apollo/client and run a project with webpack. I use webpack@4

Versions
npx envinfo@latest --preset apollo --clipboard

  System:
    OS: macOS 10.15.6
  Binaries:
    Node: 10.19.0 - ~/.nvm/versions/node/v10.19.0/bin/node
    Yarn: 1.22.0 - /usr/local/bin/yarn
    npm: 6.14.7 - ~/.nvm/versions/node/v10.19.0/bin/npm
  Browsers:
    Chrome: 84.0.4147.89
  npmPackages:
    @apollo/client: ^3.1.3 => 3.1.3 

Check this reply ----> #6651

[uniqname]

@silnose that will quiet the warnings in Chrome but doesn't solve the issue. For instance I'm getting these warnings in Webpack builds. The problem seems to be that the sourceMap graph is pointing to locations that simply don't exist. Probably a mismatch between the src file structure and the build file structure as @bennypowers suggested.

[MarcusRiemer]

I have the same problem with Apollo Angular, so this doesn't seem to be related to React:

  System:
    OS: Linux 5.8 Arch Linux
  Binaries:
    Node: 14.13.1 - /usr/bin/node
    npm: 6.14.7 - /usr/bin/npm
  Browsers:
    Firefox: 81.0.2
  npmPackages:
    @apollo/client: ^3.2.4 => 3.2.4 
    apollo-angular: ^2.0.4 => 2.0.4 

[stephenlautier]

Any solutions to this yet?
Its very spammy as it has a lot of files, so its a bit frustrating

[CHOYSEN]

@benjamn

[julmot]

I have the same problem after just updating to Angular v11 when running $ ng extract-i18n:

Warning: ./node_modules/@apollo/client/cache/core/cache.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\core\cache.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fr
ontend\app\node_modules\@apollo\src\cache\core\cache.ts'

Warning: ./node_modules/@apollo/client/cache/core/types/Cache.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\core\types\Cache.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando
-cx-frontend\app\node_modules\@apollo\src\cache\core\types\Cache.ts'

Warning: ./node_modules/@apollo/client/cache/core/types/common.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\core\types\common.ts' file: Error: ENOENT: no such file or directory, open 'P:\cand
o-cx-frontend\app\node_modules\@apollo\src\cache\core\types\common.ts'

Warning: ./node_modules/@apollo/client/cache/index.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\index.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fronten
d\app\node_modules\@apollo\src\cache\index.ts'

Warning: ./node_modules/@apollo/client/cache/inmemory/entityStore.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\entityStore.ts' file: Error: ENOENT: no such file or directory, open 'P:\c
ando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\entityStore.ts'

Warning: ./node_modules/@apollo/client/cache/inmemory/fixPolyfills.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\fixPolyfills.ts' file: Error: ENOENT: no such file or directory, open 'P:\
cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\fixPolyfills.ts'

Warning: ./node_modules/@apollo/client/cache/inmemory/helpers.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\helpers.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando
-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\helpers.ts'

Warning: ./node_modules/@apollo/client/cache/inmemory/inMemoryCache.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\inMemoryCache.ts' file: Error: ENOENT: no such file or directory, open 'P:
\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\inMemoryCache.ts'

Warning: ./node_modules/@apollo/client/cache/inmemory/policies.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\policies.ts' file: Error: ENOENT: no such file or directory, open 'P:\cand
o-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\policies.ts'

Warning: ./node_modules/@apollo/client/cache/inmemory/reactiveVars.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\reactiveVars.ts' file: Error: ENOENT: no such file or directory, open 'P:\
cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\reactiveVars.ts'

Warning: ./node_modules/@apollo/client/cache/inmemory/readFromStore.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\readFromStore.ts' file: Error: ENOENT: no such file or directory, open 'P:
\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\readFromStore.ts'

Warning: ./node_modules/@apollo/client/cache/inmemory/types.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\types.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-c
x-frontend\app\node_modules\@apollo\src\cache\inmemory\types.ts'

Warning: ./node_modules/@apollo/client/cache/inmemory/writeToStore.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\writeToStore.ts' file: Error: ENOENT: no such file or directory, open 'P:\
cando-cx-frontend\app\node_modules\@apollo\src\cache\inmemory\writeToStore.ts'

Warning: ./node_modules/@apollo/client/core/ApolloClient.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\ApolloClient.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-f
rontend\app\node_modules\@apollo\src\core\ApolloClient.ts'

Warning: ./node_modules/@apollo/client/core/LocalState.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\LocalState.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fro
ntend\app\node_modules\@apollo\src\core\LocalState.ts'

Warning: ./node_modules/@apollo/client/core/MutationStore.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\MutationStore.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-
frontend\app\node_modules\@apollo\src\core\MutationStore.ts'

Warning: ./node_modules/@apollo/client/core/ObservableQuery.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\ObservableQuery.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-c
x-frontend\app\node_modules\@apollo\src\core\ObservableQuery.ts'

Warning: ./node_modules/@apollo/client/core/QueryInfo.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\QueryInfo.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fron
tend\app\node_modules\@apollo\src\core\QueryInfo.ts'

Warning: ./node_modules/@apollo/client/core/QueryManager.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\QueryManager.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-f
rontend\app\node_modules\@apollo\src\core\QueryManager.ts'

Warning: ./node_modules/@apollo/client/core/Reobserver.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\Reobserver.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fro
ntend\app\node_modules\@apollo\src\core\Reobserver.ts'

Warning: ./node_modules/@apollo/client/core/index.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\index.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-frontend
\app\node_modules\@apollo\src\core\index.ts'

Warning: ./node_modules/@apollo/client/core/networkStatus.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\networkStatus.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-
frontend\app\node_modules\@apollo\src\core\networkStatus.ts'

Warning: ./node_modules/@apollo/client/core/types.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\core\types.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-frontend
\app\node_modules\@apollo\src\core\types.ts'

Warning: ./node_modules/@apollo/client/errors/index.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\errors\index.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fronte
nd\app\node_modules\@apollo\src\errors\index.ts'

Warning: ./node_modules/@apollo/client/link/batch/batchLink.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\batch\batchLink.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-c
x-frontend\app\node_modules\@apollo\src\link\batch\batchLink.ts'

Warning: ./node_modules/@apollo/client/link/batch/batching.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\batch\batching.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx
-frontend\app\node_modules\@apollo\src\link\batch\batching.ts'

Warning: ./node_modules/@apollo/client/link/batch/index.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\batch\index.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fr
ontend\app\node_modules\@apollo\src\link\batch\index.ts'

Warning: ./node_modules/@apollo/client/link/context/index.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\context\index.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-
frontend\app\node_modules\@apollo\src\link\context\index.ts'

Warning: ./node_modules/@apollo/client/link/core/ApolloLink.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\core\ApolloLink.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-c
x-frontend\app\node_modules\@apollo\src\link\core\ApolloLink.ts'

Warning: ./node_modules/@apollo/client/link/core/concat.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\core\concat.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fr
ontend\app\node_modules\@apollo\src\link\core\concat.ts'

Warning: ./node_modules/@apollo/client/link/core/empty.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\core\empty.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fro
ntend\app\node_modules\@apollo\src\link\core\empty.ts'

Warning: ./node_modules/@apollo/client/link/core/execute.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\core\execute.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-f
rontend\app\node_modules\@apollo\src\link\core\execute.ts'

Warning: ./node_modules/@apollo/client/link/core/from.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\core\from.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fron
tend\app\node_modules\@apollo\src\link\core\from.ts'

Warning: ./node_modules/@apollo/client/link/core/index.js
Module Warning (from ./node_modules/source-map-loader/dist/cjs.js):
Failed to parse source map from 'P:\cando-cx-frontend\app\node_modules\@apollo\src\link\core\index.ts' file: Error: ENOENT: no such file or directory, open 'P:\cando-cx-fro
ntend\app\node_modules\@apollo\src\link\core\index.ts'

Warning: ./node_modules/@apollo/client/link/core/split.js
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