vue-cli project source map not working/how to get working - vue-cli

Question

I created a new project using vue-cli(#vue/cli 4.3.1). When there is an error in one of my component files(.vue file), in chrome console i do not see the actual file/line number. Instead i see a file reference called vue.runtime.esm.js?2b0e:619. Did some googling on how to enable source map. I added a vue.config.js file on my project root and added below lines:
module.exports = {
configureWebpack: (config) => {
config.devtool = 'eval-source-map'
},
productionSourceMap: true
};
Did npm run server. But still i do not see the actual file reference.
How do i enable source map in a vue-cli-project??
\\File: packages.json
{
"name": "real-world-vue",
"version": "0.1.0",
"private": true,
"scripts": {
"serve": "vue-cli-service serve",
"build": "vue-cli-service build --mode development",
"lint": "vue-cli-service lint",
"build-watch": "vue-cli-service build-watch --mode development"
},
"dependencies": {
"axios": "^0.19.2",
"core-js": "^3.6.4",
"json-server": "^0.16.1",
"vue": "^2.6.11",
"vue-router": "^3.1.6",
"vuejs-datepicker": "^1.6.2",
"vuex": "^3.1.3"
},
"devDependencies": {
"#vue/cli-plugin-babel": "~4.3.0",
"#vue/cli-plugin-eslint": "~4.3.0",
"#vue/cli-plugin-router": "~4.3.0",
"#vue/cli-plugin-vuex": "~4.3.0",
"#vue/cli-service": "~4.3.0",
"#vue/eslint-config-prettier": "^6.0.0",
"babel-eslint": "^10.1.0",
"eslint": "^6.7.2",
"eslint-plugin-prettier": "^3.1.1",
"eslint-plugin-vue": "^6.2.2",
"node-sass": "^4.14.0",
"prettier": "^1.19.1",
"sass-loader": "^8.0.2",
"vue-cli-plugin-build-watch": "~1.0.0",
"vue-template-compiler": "^2.6.11"
}
}
Please help.

Answer 1

In my case I got it to work using devtool right under configureWebpack, so no config field there.
I also had to use 'cheap-module-source-map' instead of 'eval-source-map'. In the end it would look like this:
module.exports = {
configureWebpack: {
devtool: "cheap-module-source-map",
},
productionSourceMap: true
};