export function getRoutesDefinition()

in packages/ice/src/routes.ts [74:143]
66 lines of code
10 McCabe index (conditional complexity)

export function getRoutesDefinition(options: GetDefinationOptions) {
  const { manifest, lazy = false, depth = 0, matchRoute = () => true } = options;
  const routeImports: string[] = [];
  const routeDefinition = manifest.reduce((prev, route) => {
    if (!matchRoute(route)) {
      return prev;
    }
    const { children, path: routePath, index, componentName, file, id, layout, exports } = route;
    const componentPath = id.startsWith('__') ? file : getFilePath(file);

    let loadStatement = '';
    if (lazy) {
      loadStatement = `import(/* webpackChunkName: "p_${componentName}" */ '${formatPath(componentPath)}')`;
    } else {
      const routeSpecifier = formatRouteSpecifier(id);
      routeImports.push(`import * as ${routeSpecifier} from '${formatPath(componentPath)}';`);
      loadStatement = routeSpecifier;
    }
    const component = `Component: () => WrapRouteComponent({
          routeId: '${id}',
          isLayout: ${layout},
          routeExports: ${lazy ? 'componentModule' : loadStatement},
        })`;
    const loader = `loader: createRouteLoader({
          routeId: '${id}',
          requestContext,
          renderMode,
          module: ${lazy ? 'componentModule' : loadStatement},
        })`;
    const routeProperties: string[] = [
      `path: '${formatPath(routePath || '')}',`,
      `async lazy() {
      ${lazy ? `const componentModule = await ${loadStatement}` : ''};
      return {
        ${lazy ? '...componentModule' : `...${loadStatement}`},
        ${component},
        ${loader},
      };
    },`,
      // Empty errorElement to avoid default ui provided by react-router.
      'errorElement: <RouteErrorComponent />,',
      `componentName: '${componentName}',`,
      `index: ${index},`,
      `id: '${id}',`,
      'exact: true,',
      `exports: ${JSON.stringify(exports)},`,
    ].filter(Boolean);

    if (layout) {
      routeProperties.push('layout: true,');
    }
    if (children) {
      const res = getRoutesDefinition({
        manifest: children,
        lazy,
        depth: depth + 1,
        matchRoute,
      });
      routeImports.push(...res.routeImports);
      routeProperties.push(`children: [${res.routeDefinition}]`);
    }
    prev += formatRoutesStr(depth, routeProperties);
    return prev;
  }, '');

  return {
    routeImports,
    routeDefinition,
  };
}