const trimSlashes = (value: string): string =>  value.replace(/^\/+/, "").replace(/\/+$/, ""); const joinPath = (...parts: ReadonlyArray<string>): string =>  `/${parts.map(trimSlashes).filter(Boolean).join("/")}`; export type ExecutorPluginPaths = {  base: string;  routePattern: (path?: string) => string;  route: (path?: string) => string;}; export type SourcePluginPaths = {  add: string;  detailPattern: string;  editPattern: string;  detail: (sourceId: string) => string;  edit: (sourceId: string) => string;  childPattern: (path: string) => string;  child: (sourceId: string, path: string) => string;}; export const sourcePluginsIndexPath = "/sources/add"; export const normalizeExecutorPluginPath = (value: string): string =>  trimSlashes(value); export const normalizeSourcePluginPath = normalizeExecutorPluginPath; export const executorPluginBasePath = (key: string): string =>  joinPath("plugins", key); export const executorPluginRoutePattern = (  key: string,  path = "",): string => {  const relativePath = normalizeExecutorPluginPath(path);  return relativePath.length === 0    ? executorPluginBasePath(key)    : joinPath("plugins", key, relativePath);}; export const executorPluginRoutePath = (  key: string,  path = "",): string =>  executorPluginRoutePattern(key, path); export const sourcePluginAddPath = (key: string): string =>  executorPluginRoutePath(key, "add"); export const sourcePluginDetailPattern = (key: string): string =>  joinPath("plugins", key, "sources", "$sourceId"); export const sourcePluginEditPattern = (key: string): string =>  joinPath("plugins", key, "sources", "$sourceId", "edit"); export const sourcePluginDetailPath = (  key: string,  sourceId: string,): string =>  joinPath("plugins", key, "sources", sourceId); export const sourcePluginEditPath = (  key: string,  sourceId: string,): string =>  joinPath("plugins", key, "sources", sourceId, "edit"); export const sourcePluginChildPattern = (  key: string,  path: string,): string => {  const relativePath = normalizeSourcePluginPath(path);  return relativePath.length === 0    ? sourcePluginDetailPattern(key)    : joinPath("plugins", key, "sources", "$sourceId", relativePath);}; export const sourcePluginChildPath = (  key: string,  sourceId: string,  path: string,): string => {  const relativePath = normalizeSourcePluginPath(path);  return relativePath.length === 0    ? sourcePluginDetailPath(key, sourceId)    : joinPath("plugins", key, "sources", sourceId, relativePath);}; export const createExecutorPluginPaths = (key: string): ExecutorPluginPaths => ({  base: executorPluginBasePath(key),  routePattern: (path = "") => executorPluginRoutePattern(key, path),  route: (path = "") => executorPluginRoutePath(key, path),}); export const createSourcePluginPaths = (key: string): SourcePluginPaths => ({  add: sourcePluginAddPath(key),  detailPattern: sourcePluginDetailPattern(key),  editPattern: sourcePluginEditPattern(key),  detail: (sourceId) => sourcePluginDetailPath(key, sourceId),  edit: (sourceId) => sourcePluginEditPath(key, sourceId),  childPattern: (path) => sourcePluginChildPattern(key, path),  child: (sourceId, path) => sourcePluginChildPath(key, sourceId, path),});