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var isSymbol = require('./isSymbol');
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/**
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 * Compares values to sort them in ascending order.
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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 compareAscending(value, other) {
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  if (value !== other) {
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    var valIsDefined = value !== undefined,
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        valIsNull = value === null,
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        valIsReflexive = value === value,
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        valIsSymbol = isSymbol(value);
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    var othIsDefined = other !== undefined,
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        othIsNull = other === null,
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        othIsReflexive = other === other,
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        othIsSymbol = isSymbol(other);
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    if ((!othIsNull && !othIsSymbol && !valIsSymbol && value > other) ||
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        (valIsSymbol && othIsDefined && othIsReflexive && !othIsNull && !othIsSymbol) ||
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        (valIsNull && othIsDefined && othIsReflexive) ||
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        (!valIsDefined && othIsReflexive) ||
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        !valIsReflexive) {
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      return 1;
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    }
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    if ((!valIsNull && !valIsSymbol && !othIsSymbol && value < other) ||
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        (othIsSymbol && valIsDefined && valIsReflexive && !valIsNull && !valIsSymbol) ||
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        (othIsNull && valIsDefined && valIsReflexive) ||
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        (!othIsDefined && valIsReflexive) ||
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        !othIsReflexive) {
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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 = compareAscending;