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
33 lines
756 B
JavaScript
33 lines
756 B
JavaScript
/* @flow */
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var sealed = {one: 'one', two: 'two'};
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(Object.keys(sealed): Array<'one'|'two'>);
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(Object.keys(sealed): void); // error, Array<string>
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var unsealed = {};
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Object.keys(unsealed).forEach(k => {
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(k : number) // error: number ~> string
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});
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var dict: { [k: number]: string } = {};
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Object.keys(dict).forEach(k => {
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(k : number) // error: number ~> string
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});
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var any: Object = {};
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(Object.keys(any): Array<number>); // error, Array<string>
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class Foo {
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prop: string;
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foo() {}
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}
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// constructor and foo not enumerable
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(Object.keys(new Foo()): Array<'error'>); // error: prop ~> error
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class Bar extends Foo {
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bar_prop: string;
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bar() {}
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}
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// only own enumerable props
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(Object.keys(new Bar()): Array<'error'>); // error: bar_prop ~> error
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