Having difficulty resolving sub-modules using webpack

Currently, I am trying to set up the @microsoft/signalr npm package with webpack by importing the module using

import * as signalR from '@microsoft/signalr'
. However, I encountered an error message indicating that webpack is unable to resolve the internal paths of the module, as all 'missing' modules are part of signalr. When running webpack, the following log is displayed:

Log

assets by status 271 KiB [cached] 2 assets
orphan modules 589 KiB [orphan] 558 modules
runtime modules 937 bytes 4 modules
cacheable modules 598 KiB
  modules by path ./src/ 589 KiB
    ./src/ts/index.ts + 558 modules 589 KiB [built] [code generated]
    ./src/scss/style.scss 376 bytes [built] [code generated]
    ./node_modules/css-loader/dist/cjs.js!./node_modules/sass-loader/dist/cjs.js!./src/scss/style.scss 301 bytes [built] [code generated]
  modules by path ./node_modules/ 8.23 KiB
    ./node_modules/style-loader/dist/runtime/injectStylesIntoStyleTag.js 6.67 KiB [built] [code generated]
    ./node_modules/css-loader/dist/runtime/api.js 1.57 KiB [built] [code generated]

... (more compiler errors and warnings omitted for brevity)

Steps Taken So Far:

  • Deleted node_modules and re-installed dependencies using npm i
  • Attempted to directly import sub-modules like:
    import { HubConnectionBuilder } from '@microsoft/signalr/dist/esm';

At this point, I have exhausted my search queries and am unsure how to proceed further. Here are some essential configurations for this project:

webpack.config.js

...

tsconfig.json

...

package.json Dependency Excerpt

...

Answer №1

It turns out that my initial assumption was correct regarding the resolving part of the issue. The solution lies in adding a single period . to the webpack.config.js file within the resolve options. It should be extensions: ['.js', ...] and not extensions: ['js', ...].

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