62 lines
1.9 KiB
TypeScript
62 lines
1.9 KiB
TypeScript
// TypeScript Version: 3.2.2
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import u from "updeep";
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u.omitted('whatever'); // $ExpectType { __omitted: boolean; }
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const obj = { this: 3 };
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u(true, obj); // $ExpectType true
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u(null, obj); // $ExpectType null
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u(undefined, obj); // $ExpectType undefined
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u("a specific string", obj); // $ExpectType "a specific string"
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u(true as const)(obj); // $ExpectType true
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u(null)(obj); // $ExpectType null
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u(undefined)(obj); // $ExpectType undefined
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u("a specific string" as const)(obj); // $ExpectType "a specific string"
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const aString = "a" + "b";
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u(aString, obj); // $ExpectType string
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u((i: number) => "foo" + i, 1); // $ExpecType string
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u((i: number) => "foo" + i, "bar");
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// update is object
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u({ this: 2 }, true); // $ExpectType UpdateReturnMap<{ this: number; }>
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u({ this: 2 })(true); // $ExpectType UpdateReturnMap<{ this: number; }>
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u({ this: 2 }, { this: 3 }); // $ExpectType object
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u({ this: 2 })({ that: 3 }); // $ExpectType object
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u({ this: 2 })(true); // UpdateReturnMap<{ this: number; }>
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u({ this: 2 })({ that: 3 }); // $ExpectType object
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u.ifElse(false as boolean, { a: 1 }, { a: 2 }, { a: 3 }); // $ExpectType object
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u.ifElse(false as boolean, "foo" as const, 3 as const, { a: 3 }); // $ExpectType 3 | "foo"
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u.ifElse(false, "foo" as const, 3 as const, { a: 3 }); // $ExpectType 3
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u.ifElse(true, "foo" as const, 3 as const, { a: 3 }); // $ExpectType "foo"
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// *** map ***
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const inc = (i: number) => i+1;
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u.map(inc, [1,2,3]); // $ExpectType number[]
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u.map(inc, ["potato"]); // $ExpectType number[]
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u.map({a:1},{a:2}); // $ExpectType Mapped<{ a: number; }, { a: number; }>
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u.omit('bar', { }); // $ExpectType object
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u.omit(['bar'], { }); // $ExpectType object
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u.omitBy([ 'banana' ], { } ); // $ExpectError
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// *** constant ***
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// $ExpectType { banana: number; }
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u.constant({ banana: 1 })('foo');
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/// *** freeze ***
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// $ExpectType { potato: number; }
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u.freeze({ potato: 1 });
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