tornado-core/lib/Storage.js
2019-07-11 17:04:36 +03:00

39 lines
640 B
JavaScript

class JsStorage {
constructor() {
this.db = {};
}
get(key) {
return this.db[key];
}
get_or_element(key, defaultElement) {
const element = this.db[key];
if (element === undefined) {
return defaultElement;
} else {
return element
}
}
put(key, value) {
if (key === undefined || value === undefined) {
throw Error('key or value is undefined')
}
this.db[key] = value;
}
del(key) {
delete this.db[key];
}
put_batch(key_values) {
key_values.forEach(element => {
this.db[element.key] = element.value;
});
}
}
module.exports = JsStorage;