marys
27 lines
640 B
JavaScript
27 lines
640 B
JavaScript
const ParserError = require('../errors/parser-error');
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/**
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* Implements common functionality for all the models.
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* @class
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* @alias module:@asyncapi/parser#Base
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* @returns {Base}
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*/
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class Base {
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constructor(json) {
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if (json === undefined || json === null) throw new ParserError(`Invalid JSON to instantiate the ${this.constructor.name} object.`);
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this._json = json;
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}
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/**
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* @param {string} [key] A key to retrieve from the JSON object.
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* @returns {any}
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*/
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json(key) {
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if (key === undefined) return this._json;
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if (!this._json) return;
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return this._json[String(key)];
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}
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}
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module.exports = Base;
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