35 lines
1.0 KiB
JavaScript
35 lines
1.0 KiB
JavaScript
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/**
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* The base implementation of `compareAscending` which compares values and
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* sorts them in ascending order without guaranteeing a stable sort.
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*
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* @private
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* @param {*} value The value to compare.
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* @param {*} other The other value to compare.
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* @returns {number} Returns the sort order indicator for `value`.
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*/
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function baseCompareAscending(value, other) {
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if (value !== other) {
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var valIsNull = value === null,
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valIsUndef = value === undefined,
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valIsReflexive = value === value;
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var othIsNull = other === null,
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othIsUndef = other === undefined,
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othIsReflexive = other === other;
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if ((value > other && !othIsNull) || !valIsReflexive ||
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(valIsNull && !othIsUndef && othIsReflexive) ||
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(valIsUndef && othIsReflexive)) {
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return 1;
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}
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if ((value < other && !valIsNull) || !othIsReflexive ||
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(othIsNull && !valIsUndef && valIsReflexive) ||
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(othIsUndef && valIsReflexive)) {
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return -1;
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}
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}
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return 0;
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}
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module.exports = baseCompareAscending;
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