tornado-core/lib/Storage.js
2019-07-16 20:27:20 +03:00

40 lines
624 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