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19 lines
329 B
19 lines
329 B
//
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'use strict';
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function cacheWrapper (cache , key , fn ) {
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if (!cache) {
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return fn();
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}
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const cached = cache.get(key);
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if (cached !== undefined) {
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return cached;
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}
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const result = fn();
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cache.set(key, result);
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return result;
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}
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module.exports = cacheWrapper;
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