constructor()

in src/lib/spells/textarea-autosize.svelte.ts [34:73]

• 31 lines of code
• 5 McCabe index (conditional complexity)

	constructor(options: TextareaAutosizeOptions = {}) {
		this.#options = options;

		// Create hidden textarea for measurements
		this.#createHiddenTextarea();

		watch([() => this.input, () => this.element], () => {
			tick().then(() => this.triggerResize());
		});

		watch(
			() => this.textareaHeight,
			() => options?.onResize?.()
		);

		useResizeObserver(
			() => this.element,
			([entry]) => {
				if (!entry) return;
				const { contentRect } = entry;
				if (this.textareaOldWidth === contentRect.width) return;

				this.textareaOldWidth = contentRect.width;
				this.triggerResize();
			}
		);

		onDestroy(() => {
			// Clean up
			if (this.#hiddenTextarea) {
				this.#hiddenTextarea.remove();
				this.#hiddenTextarea = null;
			}

			if (this.#resizeTimeout) {
				window.cancelAnimationFrame(this.#resizeTimeout);
				this.#resizeTimeout = null;
			}
		});
	}