16 lines
519 B
JavaScript
16 lines
519 B
JavaScript
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import { safeHasOwnProperty } from '../utils/globals.js';
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let contextRemainingDepth = 10;
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export function memo(builder) {
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const previous = {};
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return ((maxDepth) => {
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const n = maxDepth !== undefined ? maxDepth : contextRemainingDepth;
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if (!safeHasOwnProperty(previous, n)) {
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const prev = contextRemainingDepth;
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contextRemainingDepth = n - 1;
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previous[n] = builder(n);
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contextRemainingDepth = prev;
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}
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return previous[n];
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});
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}
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