old_contents: const path = require("path");
  
  module.exports = {
    entry: path.resolve("./src/index.ts"),
    module: {
      rules: [
        {
          test: /\.ts$/,
          use: "ts-loader",
          exclude: /node_modules/
        }
      ]
    },
    resolve: {
      extensions: [".tsx", ".ts", ".js"]
    },
    output: {
      filename: "bundle.js",
      path: path.resolve(__dirname, "build")
    },
    devtool: "inline-source-map",
  };
  
new_contents: const path = require("path");
  
  module.exports = {
    entry: path.resolve("./src/index.ts"),
    module: {
      rules: [
        {
          test: /\.ts$/,
          use: "ts-loader",
          exclude: /node_modules/
        }
      ]
    },
    resolve: {
      extensions: [".tsx", ".ts", ".js"]
    },
    output: {
      filename: "bundle.js",
      path: path.resolve(__dirname, "build")
    },
    devtool: "source-map",
  };
  
subject: Edit devtool