Example of TypeScript AS Compiler Error

tmp.ts

interface MyObj1 {
  [key: string]: string; // All other properties must be strings
  name: string; // Mandatory properties
}
interface MyObj2 {
  name: string; // Mandatory properties
  age: number
}
let obj1: MyObj1 = {
  name: 'foo',
  'joe': 'mo',
};
let obj2: MyObj2 = {
  name: 'phil',
  age: 2,
};

console.log('obj1', obj1);

// Here a compiler error:
console.log('obj2', (obj2 as MyObj1).name);