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