@aws-cdk/core
Version:
AWS Cloud Development Kit Core Library
34 lines • 2.33 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.Cache = void 0;
/**
* A simple cache class.
*
* Must be declared at the top of the file because we're going to use it statically in the
* AssetStaging class.
*/
class Cache {
constructor() {
this.cache = new Map();
}
/**
* Clears the cache
*/
clear() {
this.cache.clear();
}
/**
* Get a value from the cache or calculate it
*/
obtain(cacheKey, calcFn) {
let value = this.cache.get(cacheKey);
if (value) {
return value;
}
value = calcFn();
this.cache.set(cacheKey, value);
return value;
}
}
exports.Cache = Cache;
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