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22 lines
597 B
TypeScript
22 lines
597 B
TypeScript
/**
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* Negates a boolean function
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* @param {(arg: T) => boolean} fn the boolean function to negate
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* @return {(arg: T) => boolean} curried function that will receive the arg to the boolean function
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*/
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const not = <T>(fn: (arg: T) => boolean) => (arg: T) => !fn(arg);
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/**
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* Identity function, immediately returns its argument
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* @template T
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* @param {T} x
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* @return {T}
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*/
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const identity = <T>(x: T): T => x;
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/**
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* Exports a noop that can be used in place of Ember.K which is currently deprecated.
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*/
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const noop: (...args: Array<any>) => any = () => {};
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export { not, identity, noop };
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