Dynamic imports are only supported when the `--module` flag is set to `es2020`, `esnext`, `commonjs`, `amd`, `system`, or `umd`.

The solution for this is noted below

Dynamic imports are only supported when the --module flag is set to es2020, esnext, commonjs, amd, system, or umd.

Solution

{
  "compileOnSave": false,
  "compilerOptions": {
    "baseUrl": "./",
    "outDir": "./dist/out-tsc",
    "sourceMap": true,
    "declaration": false,
    "module": "esnext", // add this line
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "importHelpers": true,
    "target": "es2015",
    "typeRoots": [
      "node_modules/@types"
    ],
    "lib": [
      "es2018",
      "dom"
    ]
  }
}

Try other methods by searching on the site. That is if this doesn’t work