blob: 7f71c8fbae3334386cbc7e4d972b7f655032a1ca [file] [log] [blame]
var memoize = require('./memoize');
/** Used as the maximum memoize cache size. */
var MAX_MEMOIZE_SIZE = 500;
/**
* A specialized version of `_.memoize` which clears the memoized function's
* cache when it exceeds `MAX_MEMOIZE_SIZE`.
*
* @private
* @param {Function} func The function to have its output memoized.
* @returns {Function} Returns the new memoized function.
*/
function memoizeCapped(func) {
var result = memoize(func, function(key) {
if (cache.size === MAX_MEMOIZE_SIZE) {
cache.clear();
}
return key;
});
var cache = result.cache;
return result;
}
module.exports = memoizeCapped;