fets/esm/plugins/define-routes.js

TypeScript HTTP Framework focusing on e2e type-safety, easy setup, performance & great developer experience

const HTTP_METHODS = [
    'GET',
    'HEAD',
    'POST',
    'PUT',
    'DELETE',
    'CONNECT',
    'OPTIONS',
    'TRACE',
    'PATCH',
];
export function useDefineRoutes() {
    return {
        onRoute({ basePath, route, routeByPathByMethod, routeByPatternByMethod, fetchAPI }) {
            let fullPath = '';
            if (basePath === '/') {
                fullPath = route.path;
            }
            else if (route.path === '/') {
                fullPath = basePath;
            }
            else {
                fullPath = `${basePath}${route.path}`;
            }
            if (fullPath.includes(':') || fullPath.includes('*')) {
                const pattern = new fetchAPI.URLPattern({ pathname: fullPath });
                function addHandler(method) {
                    let methodPatternMaps = routeByPatternByMethod.get(method);
                    if (!methodPatternMaps) {
                        methodPatternMaps = new Map();
                        routeByPatternByMethod.set(method, methodPatternMaps);
                    }
                    methodPatternMaps.set(pattern, route);
                }
                if (!route.method) {
                    for (const method of HTTP_METHODS) {
                        addHandler(method);
                    }
                }
                else {
                    addHandler(route.method);
                }
            }
            else {
                function addHandler(method) {
                    let methodPathMaps = routeByPathByMethod.get(method);
                    if (!methodPathMaps) {
                        methodPathMaps = new Map();
                        routeByPathByMethod.set(method, methodPathMaps);
                    }
                    methodPathMaps.set(fullPath, route);
                }
                if (!route.method) {
                    for (const method of HTTP_METHODS) {
                        addHandler(method);
                    }
                }
                else {
                    addHandler(route.method);
                }
            }
        },
    };
}