30 lines
615 B
JavaScript
30 lines
615 B
JavaScript
// The binarySearch() function is licensed under the UNLICENSE
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// https://github.com/Olical/binary-search
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// Modified for use in Discourse
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export default function binarySearch(list, target, keyProp) {
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var min = 0;
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var max = list.length - 1;
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var guess;
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var keyProperty = keyProp || "id";
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while (min <= max) {
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guess = Math.floor((min + max) / 2);
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if (Em.get(list[guess], keyProperty) === target) {
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return guess;
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}
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else {
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if (Em.get(list[guess], keyProperty) < target) {
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min = guess + 1;
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}
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else {
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max = guess - 1;
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}
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}
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}
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return -1;
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}
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