Webpack and typescript are encountering a critical dependency issue where the require function is being utilized in a manner that prevents static extraction of dependencies

Having recently started diving into typescript and webpack programming, I must admit that my background in this area is limited. Despite searching through similar questions on Stack Overflow, none of the solutions provided so far have resolved my issue:

I am using vscode, and during my build process, I encounter the following warnings:

WARNING in ./src/amxcanvas.ts 3:24-31
Critical dependency: require function is used in a way in which dependencies cannot be statically extracted

WARNING in ./src/amxmisc.ts 3:24-31
Critical dependency: require function is used in a way in which dependencies cannot be statically extracted
 @ ./src/amxcanvas.ts

Since I am faced with errors (module not found) when running the resulting javascript code, I believe addressing these warnings should be my first step.

This is the webpack.config.js file I am using:

var path = require("path");

module.exports = {
  entry: path.join(__dirname, '/src', '/amxcanvas.ts'),
  module: {
    rules: [
      {
        test: /\.tsx?$/,
        use: 'ts-loader',
        exclude: /node_modules/
      }
    ]
  },
  resolve: {
    extensions: [ '.tsx', '.ts', '.js' ]
  },
  output: {
    filename: 'amxcanvas.bundle.js',
    path: path.resolve(__dirname, 'dist'),
    libraryTarget: 'var',
    library: 'AmxCvs'
  }
};

The content of amxcanvas.ts begins as follows:

import * as drawable from "./amxdrawables";
import * as misc from "./amxmisc";

export function amxCanvasInit(canvasId:string, shapes:drawable.IDrawable[]) {
    var s = new CanvasState(document.getElementById(canvasId), shapes);
}

The content of amxmisc.ts starts like this:

export function generateUUID(): string {
    return "";
}

var gripSize:number = 7;

I have been struggling with this for almost a week now. Can anyone spot what I might be doing incorrectly?

Answer №1

After some investigation, I've come across the solution to my problem: Although I'm not entirely clear on the implications yet, when I made a change from:

"module": "umd",

to

"module": "commonjs",

in tsconfig.json, the warnings disappeared. It appears that umd was causing some issues with require, which was hindering webpack's analysis process.

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