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x/ramda/splitAt.js

:ram: Practical functional Javascript
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import _curry2 from './internal/_curry2';import length from './length';import slice from './slice';

/** * Splits a given list or string at a given index. * * @func * @memberOf R * @since v0.19.0 * @category List * @sig Number -> [a] -> [[a], [a]] * @sig Number -> String -> [String, String] * @param {Number} index The index where the array/string is split. * @param {Array|String} array The array/string to be split. * @return {Array} * @example * * R.splitAt(1, [1, 2, 3]); //=> [[1], [2, 3]] * R.splitAt(5, 'hello world'); //=> ['hello', ' world'] * R.splitAt(-1, 'foobar'); //=> ['fooba', 'r'] */var splitAt = _curry2(function splitAt(index, array) { return [slice(0, index, array), slice(index, length(array), array)];});export default splitAt;