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Diffstat (limited to 'alarm/node_modules/lodash/_baseSortedIndex.js')
-rw-r--r-- | alarm/node_modules/lodash/_baseSortedIndex.js | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/alarm/node_modules/lodash/_baseSortedIndex.js b/alarm/node_modules/lodash/_baseSortedIndex.js new file mode 100644 index 0000000..638c366 --- /dev/null +++ b/alarm/node_modules/lodash/_baseSortedIndex.js @@ -0,0 +1,42 @@ +var baseSortedIndexBy = require('./_baseSortedIndexBy'), + identity = require('./identity'), + isSymbol = require('./isSymbol'); + +/** Used as references for the maximum length and index of an array. */ +var MAX_ARRAY_LENGTH = 4294967295, + HALF_MAX_ARRAY_LENGTH = MAX_ARRAY_LENGTH >>> 1; + +/** + * The base implementation of `_.sortedIndex` and `_.sortedLastIndex` which + * performs a binary search of `array` to determine the index at which `value` + * should be inserted into `array` in order to maintain its sort order. + * + * @private + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @param {boolean} [retHighest] Specify returning the highest qualified index. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + */ +function baseSortedIndex(array, value, retHighest) { + var low = 0, + high = array == null ? low : array.length; + + if (typeof value == 'number' && value === value && high <= HALF_MAX_ARRAY_LENGTH) { + while (low < high) { + var mid = (low + high) >>> 1, + computed = array[mid]; + + if (computed !== null && !isSymbol(computed) && + (retHighest ? (computed <= value) : (computed < value))) { + low = mid + 1; + } else { + high = mid; + } + } + return high; + } + return baseSortedIndexBy(array, value, identity, retHighest); +} + +module.exports = baseSortedIndex; |