import { Request, Response, NextFunction } from "./types.ts";
export function depError(err: any, req: Request) { let status = err.code || err.status || err.statusCode || 500; if (typeof status !== 'number') status = 500; let stack = err.stack ? err.stack.split('\n') : [""]; stack.shift(); req.pond({ statusCode: status, message: err.message, stack: stack .filter((line: string | string[]) => line.indexOf('file://') !== -1) .map((line: string) => line.trim()) }, { status });}export function findFns(arr: any[]): any[] { let ret = [] as any, i = 0, len = arr.length; for (; i < len; i++) { if (Array.isArray(arr[i])) ret = ret.concat(findFns(arr[i])); else if (typeof arr[i] === 'function') ret.push(arr[i]); } return ret;}export function modPath(prefix: string) { return function (req: Request, res: Response, next: NextFunction) { req.url = req.url.substring(prefix.length) || '/'; req.path = req.path ? req.path.substring(prefix.length) || '/' : '/'; next(); }}export function toPathx(path: string | RegExp, isAny: boolean) { if (path instanceof RegExp) return { params: null, pathx: path }; let trgx = /\?|\*|\./; if (!trgx.test(path) && isAny === false) { let len = (path.match(/\/:/gi) || []).length; if (len === 0) return; if (len === 1) { let arr = path.split('/:'); if (arr[arr.length - 1].indexOf('/') === -1) return { params: arr[1], key: arr[0] + '/:p', pathx: null }; } }; let params: any[] | string | null = [], pattern = '', strReg = '/([^/]+?)', strRegQ = '(?:/([^/]+?))?'; if (trgx.test(path)) { let arr = path.split('/'), obj: string | any[], el: string, i = 0; arr[0] || arr.shift(); for (; i < arr.length; i++) { obj = arr[i]; el = obj[0]; if (el === '*') { params.push('wild'); pattern += '/(.*)'; } else if (el === ':') { let isQuest = obj.indexOf('?') !== -1, isExt = obj.indexOf('.') !== -1; if (isQuest && !isExt) pattern += strRegQ; else pattern += strReg; if (isExt) { let _pattern = pattern; _pattern = _pattern.replace(strReg, ""); pattern = _pattern + (isQuest ? '?/' : '/') + '([\\w-]+' + obj.substring(obj.indexOf('.')) + ")"; } } else pattern += '/' + obj; }; } else pattern = path.replace(/\/:[a-z_-]+/gi, strReg); let pathx = new RegExp(`^${pattern}/?$`, 'i'), matches = path.match(/\:([a-z_-]+)/gi); if (!params.length) params = matches && matches.map((e: string) => e.substring(1)); else { let newArr = matches ? matches.map((e: string) => e.substring(1)) : []; params = newArr.concat(params); } return { params, pathx };}export function findBase(pathname: string) { let iof = pathname.indexOf('/', 1); if (iof !== -1) return pathname.substring(0, iof); return pathname;}export function parseurl(req: Request) { let str: any = req.url, url = req._parsedUrl; if (url && url._raw === str) return url; let pathname = str, query = null, search = null, i = 0, len = str.length; while (i < len) { if (str.charCodeAt(i) === 0x3f) { pathname = str.substring(0, i); query = str.substring(i + 1); search = str.substring(i); break; } i++; } url = {}; url.path = url._raw = url.href = str; url.pathname = pathname; url.query = query; url.search = search; return (req._parsedUrl = url);}export function parsequery(query: string) { return query ? Object.fromEntries(new URLSearchParams(query)) : {};}