How to make the angular application to run on IE 11 ? Got Error when trying to achieve

I have tried possible ways to make my angular 7 application to work (changed polyfills file) on IE 11 but none is worked. Is there anything I am missing. How should I make it work.Kindly please help me on this.

changed polyfills file and installed npm that are referred in polyfills.ts file Is there anything to change with index.html

Facing Error as
SCRIP1014 Invalid character Error
In vendor.js file

Here is the tsconfig.json file

{
  "compileOnSave": false,
  "compilerOptions": {
    "baseUrl": "./",
    "outDir": "./dist/out-tsc",
    "sourceMap": true,
    "declaration": false,
    "module": "es2015",
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "importHelpers": true,
    "target": "es5",
    "typeRoots": [
      "node_modules/@types"
    ],
    "lib": [
      "es2018",
      "dom"
    ],
    "paths": {
      "@app/*": [
        "src/app/*"
      ],
      "os":[
        "src/empty.ts"
      ],
      "@env/*": [
        "src/environments/*"
      ]
    }
  }
}