one/dist/esm/fork/validatePathConfig.mjs

One is a React framework for web, iOS, and Android apps.

const formatToList = (items) => Object.entries(items).map(([key, value]) => `- ${key} (${value})`).join("\n");
function validatePathConfig(config, root = true) {
	const validation = {
		path: "string",
		initialRouteName: "string",
		screens: "object",
		preserveDynamicRoutes: "boolean",
		preserveGroups: "boolean",
		...root ? null : {
			alias: "array",
			exact: "boolean",
			stringify: "object",
			parse: "object"
		}
	};
	if (typeof config !== "object" || config === null) {
		throw new Error(`Expected the configuration to be an object, but got ${JSON.stringify(config)}.`);
	}
	const validationErrors = Object.fromEntries(Object.keys(config).map((key) => {
		if (key in validation) {
			const type = validation[key];
			const value = config[key];
			if (value !== void 0) {
				if (type === "array") {
					if (!Array.isArray(value)) {
						return [key, `expected 'Array', got '${typeof value}'`];
					}
				} else if (typeof value !== type) {
					return [key, `expected '${type}', got '${typeof value}'`];
				}
			}
		} else {
			return [key, "extraneous"];
		}
		return null;
	}).filter(Boolean));
	if (Object.keys(validationErrors).length) {
		throw new Error(`Found invalid properties in the configuration:
${formatToList(validationErrors)}

You can only specify the following properties:
${formatToList(validation)}

If you want to specify configuration for screens, you need to specify them under a 'screens' property.

See https://reactnavigation.org/docs/configuring-links for more details on how to specify a linking configuration.`);
	}
	if (root && "path" in config && typeof config.path === "string" && config.path.includes(":")) {
		throw new Error(`Found invalid path '${config.path}'. The 'path' in the top-level configuration cannot contain patterns for params.`);
	}
	if ("screens" in config && config.screens) {
		Object.entries(config.screens).forEach(([_, value]) => {
			if (typeof value !== "string") {
				validatePathConfig(value, false);
			}
		});
	}
}

export { validatePathConfig };
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