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Rich Trott
f44969a5ab
We have been stalled on ESLint 3.8.0 for some time. Current ESLint is 3.13.0. We have been unable to upgrade because of more aggressive reporting on some rules, including indentation. ESLint configuration options and bugfixes are now such that we can reasonably upgrade. PR-URL: https://github.com/nodejs/node/pull/10561 Reviewed-By: Teddy Katz <teddy.katz@gmail.com> Reviewed-By: James M Snell <jasnell@gmail.com> Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
42 lines
1.4 KiB
JavaScript
42 lines
1.4 KiB
JavaScript
var arrayMap = require('./_arrayMap'),
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baseIntersection = require('./_baseIntersection'),
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baseRest = require('./_baseRest'),
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castArrayLikeObject = require('./_castArrayLikeObject'),
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last = require('./last');
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/**
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* This method is like `_.intersection` except that it accepts `comparator`
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* which is invoked to compare elements of `arrays`. The order and references
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* of result values are determined by the first array. The comparator is
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* invoked with two arguments: (arrVal, othVal).
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*
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* @static
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* @memberOf _
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* @since 4.0.0
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* @category Array
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* @param {...Array} [arrays] The arrays to inspect.
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* @param {Function} [comparator] The comparator invoked per element.
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* @returns {Array} Returns the new array of intersecting values.
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* @example
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*
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* var objects = [{ 'x': 1, 'y': 2 }, { 'x': 2, 'y': 1 }];
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* var others = [{ 'x': 1, 'y': 1 }, { 'x': 1, 'y': 2 }];
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*
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* _.intersectionWith(objects, others, _.isEqual);
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* // => [{ 'x': 1, 'y': 2 }]
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*/
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var intersectionWith = baseRest(function(arrays) {
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var comparator = last(arrays),
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mapped = arrayMap(arrays, castArrayLikeObject);
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comparator = typeof comparator == 'function' ? comparator : undefined;
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if (comparator) {
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mapped.pop();
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}
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return (mapped.length && mapped[0] === arrays[0])
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? baseIntersection(mapped, undefined, comparator)
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: [];
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});
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module.exports = intersectionWith;
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