| 1 | "use strict";
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| 2 |
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| 3 | Object.defineProperty(exports, "__esModule", {
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| 4 | value: true
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| 5 | });
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| 6 | exports.default = void 0;
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| 7 |
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| 8 | const scroll = (size, {
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| 9 | offset,
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| 10 | max
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| 11 | }) => {
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| 12 | let start = 0;
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| 13 | let index = Math.min(offset, size);
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| 14 | const halfScreen = max / 2;
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| 15 |
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| 16 | if (index <= halfScreen) {
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| 17 | start = 0;
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| 18 | } else {
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| 19 | if (size >= max) {
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| 20 | start = Math.min(index - halfScreen - 1, size - max);
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| 21 | }
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| 22 |
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| 23 | index = Math.min(index - start, size);
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| 24 | }
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| 25 |
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| 26 | return {
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| 27 | end: Math.min(size, start + max),
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| 28 | index,
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| 29 | start
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| 30 | };
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| 31 | };
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| 32 |
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| 33 | var _default = scroll;
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| 34 | exports.default = _default; |
| \ | No newline at end of file |