| 1 | var memoize = require('./memoize');
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| 2 |
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| 3 | /** Used as the maximum memoize cache size. */
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| 4 | var MAX_MEMOIZE_SIZE = 500;
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| 5 |
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| 6 | /**
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| 7 | * A specialized version of `_.memoize` which clears the memoized function's
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| 8 | * cache when it exceeds `MAX_MEMOIZE_SIZE`.
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| 9 | *
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| 10 | * @private
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| 11 | * @param {Function} func The function to have its output memoized.
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| 12 | * @returns {Function} Returns the new memoized function.
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| 13 | */
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| 14 | function memoizeCapped(func) {
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| 15 | var result = memoize(func, function(key) {
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| 16 | if (cache.size === MAX_MEMOIZE_SIZE) {
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| 17 | cache.clear();
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| 18 | }
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| 19 | return key;
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| 20 | });
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| 21 |
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| 22 | var cache = result.cache;
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| 23 | return result;
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| 24 | }
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| 25 |
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| 26 | module.exports = memoizeCapped;
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