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prettier Show objects.js Source code

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  1. /* @flow */
  2.  
  3. var x : {'123': string, bar: string} = {'123': 'val', bar: 'bar'};
  4. (x.foo : string);     // error, key doesn't exist
  5. (x['foo'] : string);  // error, key doesn't exist
  6. (x[123] : boolean);   // TODO: use the number's value to error here
  7. (x.bar: boolean);     // error, string !~> boolean
  8. (x['123'] : boolean); // error, string !~> boolean
  9. x['123'] = false;     // error, boolean !~> string
  10. x[123] = false;       // TODO: use the number's value to error here
  11. x['foo'+'bar'] = 'derp'; // ok since we can't tell
  12. (x[`foo`]: string);   // error, key doesn't exist
  13.  
  14. var y : {foo: string} = {foo: 'bar'};
  15. y['foo'] = 123; // error, number !~> string
  16. y['bar'] = 'abc'; // error, property not found
  17.  
  18. (y['hasOwnProperty']: string); // error, prototype method is not a string
  19.  
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