| Leo Repp | 58b9f11 | 2021-11-22 11:57:47 +0100 | [diff] [blame^] | 1 | var memoize = require('./memoize'); |
| 2 | |
| 3 | /** Used as the maximum memoize cache size. */ |
| 4 | var MAX_MEMOIZE_SIZE = 500; |
| 5 | |
| 6 | /** |
| 7 | * A specialized version of `_.memoize` which clears the memoized function's |
| 8 | * cache when it exceeds `MAX_MEMOIZE_SIZE`. |
| 9 | * |
| 10 | * @private |
| 11 | * @param {Function} func The function to have its output memoized. |
| 12 | * @returns {Function} Returns the new memoized function. |
| 13 | */ |
| 14 | function memoizeCapped(func) { |
| 15 | var result = memoize(func, function(key) { |
| 16 | if (cache.size === MAX_MEMOIZE_SIZE) { |
| 17 | cache.clear(); |
| 18 | } |
| 19 | return key; |
| 20 | }); |
| 21 | |
| 22 | var cache = result.cache; |
| 23 | return result; |
| 24 | } |
| 25 | |
| 26 | module.exports = memoizeCapped; |