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20 lines
392 B
20 lines
392 B
import ascending from "./ascending"; |
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export default function(values, compare) { |
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if (!(n = values.length)) return; |
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var n, |
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i = 0, |
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j = 0, |
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xi, |
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xj = values[j]; |
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if (compare == null) compare = ascending; |
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while (++i < n) { |
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if (compare(xi = values[i], xj) < 0 || compare(xj, xj) !== 0) { |
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xj = xi, j = i; |
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} |
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} |
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if (compare(xj, xj) === 0) return j; |
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}
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