Christopher Chedeau
3375cfe605
* new_tests * move_all_clobbered_tests * remove all the tests that no longer exist * re-run flow tests * Move all the flow tests to tests/flow and prettier to tests/ * Move prettier tests to their own folders * Add jsfmt files * run prettier snapshot tests
22 lines
500 B
JavaScript
22 lines
500 B
JavaScript
/* @flow */
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function foo(x:{y?:() => void}) {
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x.y(); // error: could be undefined
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if (x.hasOwnProperty('y')) {
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x.y(); // error: still could be undefined
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}
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if (x.hasOwnProperty('z')) {
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x.z(); // error: unreachable, but we don't help you here
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}
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}
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function bar(x:Object) {
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x.y(); // treated as `any`, so allowed
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if (x.hasOwnProperty('y')) {
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x.y(); // still treated as `any`, so allowed
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}
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if (x.hasOwnProperty('z')) {
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x.z(); // also treated as `any`, so allowed
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}
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}
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