30 lines
745 B
JavaScript
30 lines
745 B
JavaScript
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const { EVENT_DELIMITER } = require('../libs/constants.js');
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const EventEmitter = require('events');
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class EventParser extends EventEmitter {
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constructor() {
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super();
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this.buffer = '';
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}
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parse(data) {
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if (data === undefined) {
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return;
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}
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this.buffer += data;
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const indexOfEnd = this.buffer.indexOf(EVENT_DELIMITER);
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if (indexOfEnd === -1) {
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return;
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}
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const event = JSON.parse(this.buffer.substring(0, indexOfEnd));
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this.buffer = '';
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if (event.id === undefined) {
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return;
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}
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const eventId = event.id.toLowerCase();
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this.emit(eventId, event.data);
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}
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}
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module.exports = EventParser;
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