| 1 | {"version":3,"names":["queryString","fromEntries","validatePathConfig","getActiveRoute","state","route","index","routes","length","getPathFromState","options","Error","configs","screens","createNormalizedConfigs","path","current","allParams","pattern","focusedParams","focusedRoute","currentOptions","nestedRouteNames","hasNext","name","push","params","stringify","currentParams","Object","entries","map","key","value","String","assign","split","filter","p","startsWith","forEach","getParamName","undefined","nextRoute","nestedConfig","join","endsWith","encodeURIComponent","param","query","sort","replace","joinPaths","paths","concat","Boolean","createConfigItem","config","parentPattern","exact","c","result"],"sources":["getPathFromState.tsx"],"sourcesContent":["import type {\n NavigationState,\n PartialState,\n Route,\n} from '@react-navigation/routers';\nimport * as queryString from 'query-string';\n\nimport fromEntries from './fromEntries';\nimport type { PathConfig, PathConfigMap } from './types';\nimport validatePathConfig from './validatePathConfig';\n\ntype Options<ParamList> = {\n initialRouteName?: string;\n screens: PathConfigMap<ParamList>;\n};\n\ntype State = NavigationState | Omit<PartialState<NavigationState>, 'stale'>;\n\ntype StringifyConfig = Record<string, (value: any) => string>;\n\ntype ConfigItem = {\n pattern?: string;\n stringify?: StringifyConfig;\n screens?: Record<string, ConfigItem>;\n};\n\nconst getActiveRoute = (state: State): { name: string; params?: object } => {\n const route =\n typeof state.index === 'number'\n ? state.routes[state.index]\n : state.routes[state.routes.length - 1];\n\n if (route.state) {\n return getActiveRoute(route.state);\n }\n\n return route;\n};\n\n/**\n * Utility to serialize a navigation state object to a path string.\n *\n * @example\n * ```js\n * getPathFromState(\n * {\n * routes: [\n * {\n * name: 'Chat',\n * params: { author: 'Jane', id: 42 },\n * },\n * ],\n * },\n * {\n * screens: {\n * Chat: {\n * path: 'chat/:author/:id',\n * stringify: { author: author => author.toLowerCase() }\n * }\n * }\n * }\n * )\n * ```\n *\n * @param state Navigation state to serialize.\n * @param options Extra options to fine-tune how to serialize the path.\n * @returns Path representing the state, e.g. /foo/bar?count=42.\n */\nexport default function getPathFromState<ParamList extends {}>(\n state: State,\n options?: Options<ParamList>\n): string {\n if (state == null) {\n throw Error(\n \"Got 'undefined' for the navigation state. You must pass a valid state object.\"\n );\n }\n\n if (options) {\n validatePathConfig(options);\n }\n\n // Create a normalized configs object which will be easier to use\n const configs: Record<string, ConfigItem> = options?.screens\n ? createNormalizedConfigs(options?.screens)\n : {};\n\n let path = '/';\n let current: State | undefined = state;\n\n const allParams: Record<string, any> = {};\n\n while (current) {\n let index = typeof current.index === 'number' ? current.index : 0;\n let route = current.routes[index] as Route<string> & {\n state?: State;\n };\n\n let pattern: string | undefined;\n\n let focusedParams: Record<string, any> | undefined;\n let focusedRoute = getActiveRoute(state);\n let currentOptions = configs;\n\n // Keep all the route names that appeared during going deeper in config in case the pattern is resolved to undefined\n let nestedRouteNames = [];\n\n let hasNext = true;\n\n while (route.name in currentOptions && hasNext) {\n pattern = currentOptions[route.name].pattern;\n\n nestedRouteNames.push(route.name);\n\n if (route.params) {\n const stringify = currentOptions[route.name]?.stringify;\n\n const currentParams = fromEntries(\n Object.entries(route.params).map(([key, value]) => [\n key,\n stringify?.[key] ? stringify[key](value) : String(value),\n ])\n );\n\n if (pattern) {\n Object.assign(allParams, currentParams);\n }\n\n if (focusedRoute === route) {\n // If this is the focused route, keep the params for later use\n // We save it here since it's been stringified already\n focusedParams = { ...currentParams };\n\n pattern\n ?.split('/')\n .filter((p) => p.startsWith(':'))\n // eslint-disable-next-line no-loop-func\n .forEach((p) => {\n const name = getParamName(p);\n\n // Remove the params present in the pattern since we'll only use the rest for query string\n if (focusedParams) {\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete focusedParams[name];\n }\n });\n }\n }\n\n // If there is no `screens` property or no nested state, we return pattern\n if (!currentOptions[route.name].screens || route.state === undefined) {\n hasNext = false;\n } else {\n index =\n typeof route.state.index === 'number'\n ? route.state.index\n : route.state.routes.length - 1;\n\n const nextRoute = route.state.routes[index];\n const nestedConfig = currentOptions[route.name].screens;\n\n // if there is config for next route name, we go deeper\n if (nestedConfig && nextRoute.name in nestedConfig) {\n route = nextRoute as Route<string> & { state?: State };\n currentOptions = nestedConfig;\n } else {\n // If not, there is no sense in going deeper in config\n hasNext = false;\n }\n }\n }\n\n if (pattern === undefined) {\n pattern = nestedRouteNames.join('/');\n }\n\n if (currentOptions[route.name] !== undefined) {\n path += pattern\n .split('/')\n .map((p) => {\n const name = getParamName(p);\n\n // We don't know what to show for wildcard patterns\n // Showing the route name seems ok, though whatever we show here will be incorrect\n // Since the page doesn't actually exist\n if (p === '*') {\n return route.name;\n }\n\n // If the path has a pattern for a param, put the param in the path\n if (p.startsWith(':')) {\n const value = allParams[name];\n\n if (value === undefined && p.endsWith('?')) {\n // Optional params without value assigned in route.params should be ignored\n return '';\n }\n\n return encodeURIComponent(value);\n }\n\n return encodeURIComponent(p);\n })\n .join('/');\n } else {\n path += encodeURIComponent(route.name);\n }\n\n if (!focusedParams) {\n focusedParams = focusedRoute.params;\n }\n\n if (route.state) {\n path += '/';\n } else if (focusedParams) {\n for (let param in focusedParams) {\n if (focusedParams[param] === 'undefined') {\n // eslint-disable-next-line @typescript-eslint/no-dynamic-delete\n delete focusedParams[param];\n }\n }\n\n const query = queryString.stringify(focusedParams, { sort: false });\n\n if (query) {\n path += `?${query}`;\n }\n }\n\n current = route.state;\n }\n\n // Remove multiple as well as trailing slashes\n path = path.replace(/\\/+/g, '/');\n path = path.length > 1 ? path.replace(/\\/$/, '') : path;\n\n return path;\n}\n\nconst getParamName = (pattern: string) =>\n pattern.replace(/^:/, '').replace(/\\?$/, '');\n\nconst joinPaths = (...paths: string[]): string =>\n ([] as string[])\n .concat(...paths.map((p) => p.split('/')))\n .filter(Boolean)\n .join('/');\n\nconst createConfigItem = (\n config: PathConfig<object> | string,\n parentPattern?: string\n): ConfigItem => {\n if (typeof config === 'string') {\n // If a string is specified as the value of the key(e.g. Foo: '/path'), use it as the pattern\n const pattern = parentPattern ? joinPaths(parentPattern, config) : config;\n\n return { pattern };\n }\n\n // If an object is specified as the value (e.g. Foo: { ... }),\n // It can have `path` property and `screens` prop which has nested configs\n let pattern: string | undefined;\n\n if (config.exact && config.path === undefined) {\n throw new Error(\n \"A 'path' needs to be specified when specifying 'exact: true'. If you don't want this screen in the URL, specify it as empty string, e.g. `path: ''`.\"\n );\n }\n\n pattern =\n config.exact !== true\n ? joinPaths(parentPattern || '', config.path || '')\n : config.path || '';\n\n const screens = config.screens\n ? createNormalizedConfigs(config.screens, pattern)\n : undefined;\n\n return {\n // Normalize pattern to remove any leading, trailing slashes, duplicate slashes etc.\n pattern: pattern?.split('/').filter(Boolean).join('/'),\n stringify: config.stringify,\n screens,\n };\n};\n\nconst createNormalizedConfigs = (\n options: PathConfigMap<object>,\n pattern?: string\n): Record<string, ConfigItem> =>\n fromEntries(\n Object.entries(options).map(([name, c]) => {\n const result = createConfigItem(c, pattern);\n\n return [name, result];\n })\n 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