@etsoo/shared/lib/mjs/test/MockResizeObserver.js

TypeScript shared utilities and functions

/**
 * Mock implementation of ResizeObserver for testing purposes
 */
export class MockResizeObserver {
    callbacks = [];
    elements = [];
    constructor(callback) {
        this.callbacks.push(callback);
    }
    observe(element) {
        this.elements.push(element);
    }
    unobserve(element) {
        this.elements = this.elements.filter((el) => el !== element);
    }
    disconnect() {
        this.elements = [];
    }
    // Helper to trigger the callback manually in tests
    trigger(entries) {
        this.callbacks.forEach((cb) => cb(entries));
    }
}