38 lines
961 B
JavaScript
38 lines
961 B
JavaScript
export default function(values, valueof) {
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var n = values.length,
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i = -1,
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value,
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min,
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max;
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if (valueof == null) {
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while (++i < n) { // Find the first comparable value.
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if ((value = values[i]) != null && value >= value) {
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min = max = value;
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while (++i < n) { // Compare the remaining values.
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if ((value = values[i]) != null) {
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if (min > value) min = value;
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if (max < value) max = value;
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}
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}
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}
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}
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}
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else {
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while (++i < n) { // Find the first comparable value.
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if ((value = valueof(values[i], i, values)) != null && value >= value) {
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min = max = value;
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while (++i < n) { // Compare the remaining values.
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if ((value = valueof(values[i], i, values)) != null) {
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if (min > value) min = value;
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if (max < value) max = value;
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}
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}
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}
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}
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}
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return [min, max];
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}
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