diff options
Diffstat (limited to 'deps/npm/node_modules/cli-table2/node_modules/lodash/array/lastIndexOf.js')
-rw-r--r-- | deps/npm/node_modules/cli-table2/node_modules/lodash/array/lastIndexOf.js | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/deps/npm/node_modules/cli-table2/node_modules/lodash/array/lastIndexOf.js b/deps/npm/node_modules/cli-table2/node_modules/lodash/array/lastIndexOf.js new file mode 100644 index 0000000000..02b806269b --- /dev/null +++ b/deps/npm/node_modules/cli-table2/node_modules/lodash/array/lastIndexOf.js @@ -0,0 +1,60 @@ +var binaryIndex = require('../internal/binaryIndex'), + indexOfNaN = require('../internal/indexOfNaN'); + +/* Native method references for those with the same name as other `lodash` methods. */ +var nativeMax = Math.max, + nativeMin = Math.min; + +/** + * This method is like `_.indexOf` except that it iterates over elements of + * `array` from right to left. + * + * @static + * @memberOf _ + * @category Array + * @param {Array} array The array to search. + * @param {*} value The value to search for. + * @param {boolean|number} [fromIndex=array.length-1] The index to search from + * or `true` to perform a binary search on a sorted array. + * @returns {number} Returns the index of the matched value, else `-1`. + * @example + * + * _.lastIndexOf([1, 2, 1, 2], 2); + * // => 3 + * + * // using `fromIndex` + * _.lastIndexOf([1, 2, 1, 2], 2, 2); + * // => 1 + * + * // performing a binary search + * _.lastIndexOf([1, 1, 2, 2], 2, true); + * // => 3 + */ +function lastIndexOf(array, value, fromIndex) { + var length = array ? array.length : 0; + if (!length) { + return -1; + } + var index = length; + if (typeof fromIndex == 'number') { + index = (fromIndex < 0 ? nativeMax(length + fromIndex, 0) : nativeMin(fromIndex || 0, length - 1)) + 1; + } else if (fromIndex) { + index = binaryIndex(array, value, true) - 1; + var other = array[index]; + if (value === value ? (value === other) : (other !== other)) { + return index; + } + return -1; + } + if (value !== value) { + return indexOfNaN(array, index, true); + } + while (index--) { + if (array[index] === value) { + return index; + } + } + return -1; +} + +module.exports = lastIndexOf; |