Method get

packages/svelte/src/reactivity/map.js:131–154

@param {K} key

(key)

	/** @param {K} key */
	get(key) {
		var sources = this.#sources;
		var s = sources.get(key);

		if (s === undefined) {
			if (super.has(key)) {
				s = this.#source(0);

				if (DEV) {
					tag(s, `SvelteMap get(${label(key)})`);
				}

				sources.set(key, s);
			} else {
				// We should always track the version in case
				// the Set ever gets this value in the future.
				get(this.#version);
				return undefined;
			}
		}

		get(s);
		return super.get(key);
	}

	/**
	 * @param {K} key