ts-simple-ast/dist/utils/EventContainer.js

TypeScript compiler wrapper for AST navigation and code generation.

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
/**
 * Event container for event subscriptions.
 */
class EventContainer {
    constructor() {
        this.subscriptions = [];
    }
    /**
     * Subscribe to an event being fired.
     * @param subscription - Subscription.
     */
    subscribe(subscription) {
        const index = this.getIndex(subscription);
        if (index === -1)
            this.subscriptions.push(subscription);
    }
    /**
     * Unsubscribe to an event being fired.
     * @param subscription - Subscription.
     */
    unsubscribe(subscription) {
        const index = this.getIndex(subscription);
        if (index >= 0)
            this.subscriptions.splice(index, 1);
    }
    /**
     * Fire an event.
     */
    fire(arg) {
        for (const subscription of this.subscriptions)
            subscription(arg);
    }
    getIndex(subscription) {
        return this.subscriptions.indexOf(subscription);
    }
}
exports.EventContainer = EventContainer;

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