Function refund

src/pages/plugin/plugin.js:344–410

(e)

	}

	async function refund(e) {
		const $button = e.target;
		const oldText = $button.textContent;

		if (helpers.shouldAllowExternalPurchase()) {
			await customTab(`${config.BASE_URL}/plugin/${id}?callback=app`);

			if (!refundHandlerSet) {
				refundHandlerSet = true;
				const handler = ({ module, action, value }) => {
					if (module === "plugin" && action === "uninstall" && value === id) {
						purchased = false;

						if (installed) {
							uninstall();
						} else {
							render();
						}

						refundHandlerSet = false;
						removeIntentHandler(handler);
					}
				};

				addIntentHandler(handler);
				cleanups.push(() => removeIntentHandler(handler));
			}
			return;
		}

		try {
			if (!product) throw new Error("Product not found");
			$button.textContent = strings["loading..."];
			const res = await fetch(Url.join(config.API_BASE, "plugin/refund"), {
				method: "POST",
				body: JSON.stringify({
					id: plugin.id,
					package: BuildInfo.packageName,
					token: purchaseToken,
				}),
			});

			if (!res.ok) {
				throw new Error("Failed to fetch refund");
			}

			const { refer, refunded, error } = await res.json();
			if (refer) {
				system.openInBrowser(refer);
				return;
			}

			if (refunded) {
				toast(strings.success);
				if (installed) uninstall();
				else render();
				return;
			}