Babelrc for React-TS Application

.babelrc

// The presets add a pre-defined set of plugins latest for latest JavaScript syntax, react and typescript.
{
    "presets": ["@babel/preset-env", "@babel/preset-react", "@babel/preset-typescript"],
    "plugins": [
      [
        // A plugin that enables the re-use of Babel's injected helper code to save on codesize.
        "@babel/plugin-transform-runtime",
        {
          // Adds required corejs polyfills to your production code.
          "corejs": { "version": 3, "proposals": true }
        }
      ]
    ]
  }