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node-fetch-cache/classes/caching/memory_cache.js
2021-06-12 19:26:05 -04:00

27 lines
523 B
JavaScript

const KeyTimeout = require('./key_timeout.js');
module.exports = class MemoryCache {
constructor(options = {}) {
this.ttl = options.ttl;
this.keyTimeout = new KeyTimeout();
this.cache = {};
}
get(key) {
return this.cache[key];
}
remove(key) {
this.keyTimeout.clearTimeout(key);
delete this.cache[key];
}
set(key, value) {
this.cache[key] = value;
if (typeof this.ttl === 'number') {
this.keyTimeout.updateTimeout(key, this.ttl, () => this.remove(key));
}
}
};