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43 lines
1.1 KiB
JavaScript
43 lines
1.1 KiB
JavaScript
const log = require('./log');
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const NOTE_TITLE_CHANGED = "NOTE_TITLE_CHANGED";
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const ENTER_PROTECTED_SESSION = "ENTER_PROTECTED_SESSION";
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const ENTITY_CREATED = "ENTITY_CREATED";
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const ENTITY_CHANGED = "ENTITY_CHANGED";
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const ENTITY_DELETED = "ENTITY_DELETED";
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const CHILD_NOTE_CREATED = "CHILD_NOTE_CREATED";
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const eventListeners = {};
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function subscribe(eventType, listener) {
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eventListeners[eventType] = eventListeners[eventType] || [];
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eventListeners[eventType].push(listener);
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}
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async function emit(eventType, data) {
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const listeners = eventListeners[eventType];
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if (listeners) {
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for (const listener of listeners) {
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try {
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await listener(data);
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}
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catch (e) {
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log.error("Listener threw error: " + e.stack);
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// we won't stop execution because of listener
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}
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}
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}
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}
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module.exports = {
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subscribe,
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emit,
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// event types:
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NOTE_TITLE_CHANGED,
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ENTER_PROTECTED_SESSION,
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ENTITY_CREATED,
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ENTITY_CHANGED,
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ENTITY_DELETED,
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CHILD_NOTE_CREATED
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}; |