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34 lines
964 B
TypeScript
34 lines
964 B
TypeScript
// Loaded from https://deno.land/x/ramda@v0.27.2/source/indexOf.js
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import _curry2 from './internal/_curry2.js';
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import _indexOf from './internal/_indexOf.js';
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import _isArray from './internal/_isArray.js';
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/**
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* Returns the position of the first occurrence of an item in an array, or -1
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* if the item is not included in the array. [`R.equals`](#equals) is used to
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* determine equality.
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*
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* @func
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* @memberOf R
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* @since v0.1.0
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* @category List
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* @sig a -> [a] -> Number
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* @param {*} target The item to find.
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* @param {Array} xs The array to search in.
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* @return {Number} the index of the target, or -1 if the target is not found.
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* @see R.lastIndexOf
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* @example
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*
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* R.indexOf(3, [1,2,3,4]); //=> 2
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* R.indexOf(10, [1,2,3,4]); //=> -1
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*/
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var indexOf = _curry2(function indexOf(target, xs) {
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return typeof xs.indexOf === 'function' && !_isArray(xs) ?
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xs.indexOf(target) :
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_indexOf(xs, target, 0);
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});
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export default indexOf;
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