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Co-Authored-By: 狸花猫/Claude-Qwen3.6-Plus 🐾
27 lines
651 B
JavaScript
27 lines
651 B
JavaScript
import { isNil } from '@antv/util';
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/**
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* 二分右侧查找
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* https://github.com/d3/d3-array/blob/master/src/bisector.js
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*/
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export default function (getter) {
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/**
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* x: 目标值
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* lo: 起始位置
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* hi: 结束位置
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*/
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return function (a, x, _lo, _hi) {
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var lo = isNil(_lo) ? 0 : _lo;
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var hi = isNil(_hi) ? a.length : _hi;
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while (lo < hi) {
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var mid = (lo + hi) >>> 1;
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if (getter(a[mid]) > x) {
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hi = mid;
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}
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else {
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lo = mid + 1;
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}
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}
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return lo;
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};
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}
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//# sourceMappingURL=bisector.js.map
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