X-Git-Url: http://www.aleph1.co.uk/gitweb/?p=yaffs-website;a=blobdiff_plain;f=node_modules%2Fgrunt-legacy-log%2Fnode_modules%2Flodash%2Finternal%2FbinaryIndexBy.js;fp=node_modules%2Fgrunt-legacy-log%2Fnode_modules%2Flodash%2Finternal%2FbinaryIndexBy.js;h=767cbd216e99adccb20cd6c8b07412e97b4409ef;hp=0000000000000000000000000000000000000000;hb=a2bd1bf0c2c1f1a17d188f4dc0726a45494cefae;hpb=57c063afa3f66b07c4bbddc2d6129a96d90f0aad diff --git a/node_modules/grunt-legacy-log/node_modules/lodash/internal/binaryIndexBy.js b/node_modules/grunt-legacy-log/node_modules/lodash/internal/binaryIndexBy.js new file mode 100644 index 000000000..767cbd216 --- /dev/null +++ b/node_modules/grunt-legacy-log/node_modules/lodash/internal/binaryIndexBy.js @@ -0,0 +1,57 @@ +/* Native method references for those with the same name as other `lodash` methods. */ +var nativeFloor = Math.floor, + nativeMin = Math.min; + +/** Used as references for the maximum length and index of an array. */ +var MAX_ARRAY_LENGTH = 4294967295, + MAX_ARRAY_INDEX = MAX_ARRAY_LENGTH - 1; + +/** + * This function is like `binaryIndex` except that it invokes `iteratee` for + * `value` and each element of `array` to compute their sort ranking. The + * iteratee is invoked with one argument; (value). + * + * @private + * @param {Array} array The sorted array to inspect. + * @param {*} value The value to evaluate. + * @param {Function} iteratee The function invoked per iteration. + * @param {boolean} [retHighest] Specify returning the highest qualified index. + * @returns {number} Returns the index at which `value` should be inserted + * into `array`. + */ +function binaryIndexBy(array, value, iteratee, retHighest) { + value = iteratee(value); + + var low = 0, + high = array ? array.length : 0, + valIsNaN = value !== value, + valIsNull = value === null, + valIsUndef = value === undefined; + + while (low < high) { + var mid = nativeFloor((low + high) / 2), + computed = iteratee(array[mid]), + isDef = computed !== undefined, + isReflexive = computed === computed; + + if (valIsNaN) { + var setLow = isReflexive || retHighest; + } else if (valIsNull) { + setLow = isReflexive && isDef && (retHighest || computed != null); + } else if (valIsUndef) { + setLow = isReflexive && (retHighest || isDef); + } else if (computed == null) { + setLow = false; + } else { + setLow = retHighest ? (computed <= value) : (computed < value); + } + if (setLow) { + low = mid + 1; + } else { + high = mid; + } + } + return nativeMin(high, MAX_ARRAY_INDEX); +} + +module.exports = binaryIndexBy;