37 lines
1.4 KiB
JavaScript
37 lines
1.4 KiB
JavaScript
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import _curry3 from "./internal/_curry3.js";
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import curryN from "./curryN.js";
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/**
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* Creates a function that will process either the `onTrue` or the `onFalse`
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* function depending upon the result of the `condition` predicate.
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*
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* @func
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* @memberOf R
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* @since v0.8.0
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* @category Logic
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* @sig (*... -> Boolean) -> (*... -> *) -> (*... -> *) -> (*... -> *)
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* @param {Function} condition A predicate function
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* @param {Function} onTrue A function to invoke when the `condition` evaluates to a truthy value.
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* @param {Function} onFalse A function to invoke when the `condition` evaluates to a falsy value.
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* @return {Function} A new function that will process either the `onTrue` or the `onFalse`
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* function depending upon the result of the `condition` predicate.
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* @see R.unless, R.when, R.cond
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* @example
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*
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* const incCount = R.ifElse(
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* R.has('count'),
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* R.over(R.lensProp('count'), R.inc),
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* R.assoc('count', 1)
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* );
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* incCount({}); //=> { count: 1 }
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* incCount({ count: 1 }); //=> { count: 2 }
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*/
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var ifElse =
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/*#__PURE__*/
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_curry3(function ifElse(condition, onTrue, onFalse) {
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return curryN(Math.max(condition.length, onTrue.length, onFalse.length), function _ifElse() {
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return condition.apply(this, arguments) ? onTrue.apply(this, arguments) : onFalse.apply(this, arguments);
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});
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});
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export default ifElse;
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