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Size: 1.22 KB
Versions: 14
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Stored size: 1.22 KB
Contents
var baseIndexOf = require('./baseIndexOf'),
cacheIndexOf = require('./cacheIndexOf'),
createCache = require('./createCache');
/**
* The base implementation of `_.difference` which accepts a single array
* of values to exclude.
*
* @private
* @param {Array} array The array to inspect.
* @param {Array} values The values to exclude.
* @returns {Array} Returns the new array of filtered values.
*/
function baseDifference(array, values) {
var length = array ? array.length : 0,
result = [];
if (!length) {
return result;
}
var index = -1,
indexOf = baseIndexOf,
isCommon = true,
cache = isCommon && values.length >= 200 && createCache(values),
valuesLength = values.length;
if (cache) {
indexOf = cacheIndexOf;
isCommon = false;
values = cache;
}
outer:
while (++index < length) {
var value = array[index];
if (isCommon && value === value) {
var valuesIndex = valuesLength;
while (valuesIndex--) {
if (values[valuesIndex] === value) {
continue outer;
}
}
result.push(value);
}
else if (indexOf(values, value) < 0) {
result.push(value);
}
}
return result;
}
module.exports = baseDifference;
Version data entries
14 entries across 7 versions & 1 rubygems