From 97d0a13165a86f8e7efe724093488b158bc52fc7 Mon Sep 17 00:00:00 2001 From: Evert Prants Date: Sat, 15 May 2021 11:45:12 +0300 Subject: [PATCH] initial commit --- .gitignore | 2 + package-lock.json | 1049 ++++++++++++++++++++++++++++++++++++++ package.json | 21 + src/.gitignore | 2 + src/dns/cache.ts | 72 +++ src/dns/reader.ts | 95 ++++ src/dns/records.ts | 9 + src/dns/writer.ts | 67 +++ src/index.ts | 272 ++++++++++ src/ip/from-request.ts | 51 ++ src/ip/validators.ts | 42 ++ src/models/interfaces.ts | 32 ++ tsconfig.json | 71 +++ 13 files changed, 1785 insertions(+) create mode 100644 .gitignore create mode 100644 package-lock.json create mode 100644 package.json create mode 100644 src/.gitignore create mode 100644 src/dns/cache.ts create mode 100644 src/dns/reader.ts create mode 100644 src/dns/records.ts create mode 100644 src/dns/writer.ts create mode 100644 src/index.ts create mode 100644 src/ip/from-request.ts create mode 100644 src/ip/validators.ts create mode 100644 src/models/interfaces.ts create mode 100644 tsconfig.json diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..b93ff10 --- /dev/null +++ b/.gitignore @@ -0,0 +1,2 @@ +/node_modules/ +*.zone diff --git a/package-lock.json b/package-lock.json new file mode 100644 index 0000000..bf248e2 --- /dev/null +++ b/package-lock.json @@ -0,0 +1,1049 @@ +{ + "name": "icy-dyndns", + "version": "1.0.0", + "lockfileVersion": 2, + "requires": true, + "packages": { + "": { + "version": "1.0.0", + "license": "ISC", + "dependencies": { + "express": "^4.17.1", + "express-async-errors": "^3.1.1" + }, + "devDependencies": { + "@types/express": "^4.17.11", + "@types/node": "^15.3.0", + "typescript": "^4.2.4" + } + }, + "node_modules/@types/body-parser": { + "version": "1.19.0", + "resolved": "https://registry.npmjs.org/@types/body-parser/-/body-parser-1.19.0.tgz", + "integrity": "sha512-W98JrE0j2K78swW4ukqMleo8R7h/pFETjM2DQ90MF6XK2i4LO4W3gQ71Lt4w3bfm2EvVSyWHplECvB5sK22yFQ==", + "dev": true, 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b/src/dns/cache.ts @@ -0,0 +1,72 @@ +import { CachedZone, DNSRecord, DNSZone, SOARecord } from "../models/interfaces"; +import { readZoneFile } from "./reader"; +import { DNSRecordType } from "./records"; +import { writeZoneFile } from "./writer"; + +export class DNSCache { + private cached: Record = {}; + + constructor(private ttl = 1600) {} + + has(name: string): boolean { + return this.cached[name] != null; + } + + async get(name: string): Promise { + const cached = this.cached[name]; + if (!cached) { + return null; + } + + if (cached.changed.getTime() < new Date().getTime() - this.ttl * 1000) { + return this.load(name, cached.file); + } + + return this.cached[name]; + } + + async set(name: string, zone: CachedZone): Promise { + this.cached[name] = zone; + } + + async load(name: string, file: string): Promise { + const zoneFile = await readZoneFile(file); + const cache = { + name, + file, + zone: zoneFile, + added: new Date(), + changed: new Date() + } + this.cached[name] = cache; + return cache; + } + + async save(name: string): Promise { + const zone = await this.get(name); + if (!zone) { + throw new Error('No such cached zone file!'); + } + await writeZoneFile(zone.zone, zone.file); + } + + async update(name: string, newZone?: CachedZone): Promise { + let zone: CachedZone | null; + if (newZone) { + zone = newZone; + } else { + zone = await this.get(name); + } + + if (!zone) { + throw new Error('No such cached zone file!'); + } + + zone.changed = new Date(); + const soa = zone.zone.records.find((record) => record.type === DNSRecordType.SOA) as SOARecord; + soa.serial = Math.floor(Date.now() / 1000); + + this.set(name, zone); + return this.save(name); + } +} diff --git a/src/dns/reader.ts b/src/dns/reader.ts new file mode 100644 index 0000000..56c1690 --- /dev/null +++ b/src/dns/reader.ts @@ -0,0 +1,95 @@ +import * as fs from 'fs/promises'; +import { DNSRecord, DNSZone, SOARecord } from '../models/interfaces'; +import { DNSRecordType } from './records'; + +function cleanString(str: string): string { + return str.replace(/;[^"]+$/, '') // Remove comments from the end + .replace(/\s+/g,' ') // Remove duplicate whitespace + .trim(); // Remove whitespace from start and end +} + +function parseRecordLine(line: string, index: number, lines: string[]): DNSRecord | SOARecord | null { + let actualLine = ''; + let clean = cleanString(line); + if (clean.includes('(')) { + actualLine += clean; + const trimLines = lines.slice(index + 1); + for (const trimLine of trimLines) { + actualLine += ' ' + cleanString(trimLine); + if (trimLine.includes(')')) { + break; + } + } + actualLine = cleanString(actualLine.replace(/\(|\)/g, '')); + } else { + actualLine = clean; + } + + const split = actualLine.split(' '); + if (split[0] === 'IN' && split[1] === 'NS') { + return { + name: '', + type: DNSRecordType.NS, + value: split.slice(2).join(' '), + } + } + + if (split[2] === 'SOA') { + return { + name: split[0], + type: DNSRecordType[split[2]], + value: split.slice(3).join(' '), + nameserver: split[3], + email: split[4], + serial: parseInt(split[5], 10), + refresh: parseInt(split[6], 10), + retry: parseInt(split[7], 10), + expire: parseInt(split[8], 10), + minimum: parseInt(split[9], 10), + }; + } + + if (!actualLine.includes('IN')) { + return null; + } + + return { + name: split[0], + type: DNSRecordType[split[2]], + value: split.slice(3).join(' ') + } +} + +export function parseZoneFile(lines: string[]): DNSZone { + let ttl = 0; + const includes = []; + const records: DNSRecord[] = []; + + for (const index in lines) { + const line = lines[index]; + if (line.startsWith('$TTL')) { + ttl = parseInt(line.split(' ')[1], 10); + continue; + } + + if (line.startsWith('$INCLUDE')) { + includes.push(...line.split(' ').slice(1)); + continue; + } + + const record = parseRecordLine(line, parseInt(index, 10), lines); + if (record) { + records.push(record); + } + } + + return { + ttl, includes, records + } +} + +export async function readZoneFile(file: string): Promise { + const lines = await fs.readFile(file, { encoding: 'utf-8' }); + const splitLines = lines.split('\n'); + return parseZoneFile(splitLines); +} diff --git a/src/dns/records.ts b/src/dns/records.ts new file mode 100644 index 0000000..6f00ca8 --- /dev/null +++ b/src/dns/records.ts @@ -0,0 +1,9 @@ +export enum DNSRecordType { + A = 'A', AAAA = 'AAAA', AFSDB = 'AFSDB', APL = 'APL', CAA = 'CAA', CDNSKEY = 'CDNSKEY', CDS = 'CDS', CERT = 'CERT', + CNAME = 'CNAME', CSYNC = 'CSYNC', DHCID = 'DHCID', DLV = 'DLV', DNAME = 'DNAME', DNSKEY = 'DNSKEY', DS = 'DS', + EUI48 = 'EUI48', EUI64 = 'EUI64', HINFO = 'HINFO', IPSECKEY = 'IPSECKEY', KEY = 'KEY', KX = 'KX', LOC = 'LOC', + MX = 'MX', NAPTR = 'NAPTR', NS = 'NS', NSEC = 'NSEC', NSEC3 = 'NSEC3', NSEC3PARAM = 'NSEC3PARAM', + OPENPGPKEY = 'OPENPGPKEY', PTR = 'PTR', RRSIG = 'RRSIG', RP = 'RP', SIG = 'SIG', SMIMEA = 'SMIMEA', SOA = 'SOA', + SRV = 'SRV', SSHFP = 'SSHFP', TA = 'TA', TKEY = 'TKEY', TLSA = 'TLSA', TSIG = 'TSIG', TXT = 'TXT', URI = 'URI', + ZONEMD = 'ZONEMD', SVCB = 'SVCB', HTTPS = 'HTTPS', AXFR = 'AXFR', IXFR = 'IXFR', OPT = 'OPT', Wildcard = '*' +} diff --git a/src/dns/writer.ts b/src/dns/writer.ts new file mode 100644 index 0000000..c9d06bc --- /dev/null +++ b/src/dns/writer.ts @@ -0,0 +1,67 @@ +import * as fs from 'fs/promises'; +import { DNSZone, SOARecord } from '../models/interfaces'; +import { DNSRecordType } from './records'; + +function createSOAString(record: SOARecord, padI: number, padJ: number): string[] { + const name = record.name.padEnd(padI, ' '); + const type = record.type.toString().padEnd(padJ, ' '); + const padK = ' '.padStart( + padI + 3 + ); + const padL = ['serial', 'refresh', 'retry', 'expire', 'minimum'] + .reduce((previous, current) => { + const len = `${record[current]}`.length; + return previous > len ? previous : len; + }, 0) + 1; + return [ + `${name} IN ${type} ${record.nameserver} ${record.email} (`, + `${padK} ${record.serial.toString().padEnd(padL, ' ')} ; Serial`, + `${padK} ${record.refresh.toString().padEnd(padL, ' ')} ; Refresh`, + `${padK} ${record.retry.toString().padEnd(padL, ' ')} ; Retry`, + `${padK} ${record.expire.toString().padEnd(padL, ' ')} ; Expire`, + `${padK} ${record.minimum.toString().padEnd(padL, ' ')} ; Minimum`, + `)` + ]; +} + +export function createZoneFile(zone: DNSZone, preferredLineLength = 120): string[] { + const file: string[] = []; + file.push(`$TTL ${zone.ttl}`); + + let longestName = 0; + let longestType = 0; + + // First pass: for nice alignments + zone.records.forEach((record) => { + if (record.name.length > longestName) { + longestName = record.name.length; + } + + if (record.type.toString().length > longestType) { + longestType = record.type.toString().length; + } + }); + + zone.records.forEach((record) => { + if (record.type === DNSRecordType.SOA) { + file.push(...createSOAString(record as SOARecord, longestName, longestType)); + return; + } + + const name = record.name.padEnd(longestName, ' '); + const type = record.type.toString().padEnd(longestType, ' '); + file.push(`${name} IN ${type} ${record.value}`); + }); + + zone.includes.forEach((include) => { + file.push(`$INCLUDE ${include}`); + }); + + return file; +} + +export async function writeZoneFile(zone: DNSZone, file: string): Promise { + const fullText = createZoneFile(zone); + await fs.writeFile(file, fullText.join('\n')); + return fullText; +} diff --git a/src/index.ts b/src/index.ts new file mode 100644 index 0000000..82b15c6 --- /dev/null +++ b/src/index.ts @@ -0,0 +1,272 @@ +import express, { ErrorRequestHandler, NextFunction, Request, Response } from 'express'; +import 'express-async-errors'; +import path from 'path'; +import { DNSCache } from './dns/cache'; +import { DNSRecordType } from './dns/records'; +import { createZoneFile } from './dns/writer'; +import { fromRequest } from './ip/from-request'; +import { CachedZone, DNSRecord } from './models/interfaces'; + +const port = parseInt(process.env.PORT || '9129', 10); +const dir = process.env.ZONEFILES || '.'; + +const app = express(); +const api = express.Router(); + +app.use(express.json()); + +const cache = new DNSCache(); +const weHave = ['lunasqu.ee']; + +async function getOrLoad(domain: string): Promise { + if (!cache.has(domain)) { + if (!weHave.includes(domain)) { + throw new Error('Invalid domain.'); + } + return cache.load(domain, path.resolve(dir, `${domain}.zone`)); + } + + const get = await cache.get(domain); + + if (!get) { + throw new Error('Misconfigured domain zone file.'); + } + + return get; +} + +api.get('/records/:domain/download', async (req, res) => { + const domain = req.params.domain; + const cached = await getOrLoad(domain); + res.send(createZoneFile(cached.zone).join('\n')); +}); + +api.get('/records/:domain', async (req, res) => { + const domain = req.params.domain; + const cached = await getOrLoad(domain); + + const type = req.query.type; + const name = req.query.name; + const value = req.query.value; + + if (type || name || value) { + const results = cached.zone.records.filter((zone) => { + if (type && zone.type !== type) { + return false; + } + + if (name && zone.name !== name) { + return false; + } + + if (value && !zone.value.includes(value as string)) { + return false; + } + + return true; + }).map((record) => { + const inx = cached.zone.records.indexOf(record); + return { + ...record, + index: inx + } + }); + + res.json({ + records: results, + }); + + return; + } + + res.json(cached.zone); +}); + +api.post('/records/:domain', async (req, res) => { + const domain = req.params.domain; + const index = parseInt(req.body.index, 10); + const setters = req.body.record; + + const cached = await getOrLoad(domain); + const { zone } = cached; + if (index == null || isNaN(index) || !zone.records[index]) { + throw new Error('Invalid record index.'); + } + + const keys = Object.keys(setters); + const record = zone.records[index]; + if (!setters || keys.length === 0) { + res.json({ success: true, message: 'Nothing was changed.', record }); + return; + } + + if (setters.type) { + const upperType = setters.type.toUpperCase(); + if (upperType === 'SOA' && record.type !== DNSRecordType.SOA) { + throw new Error('Cannot change type to Start Of Authority.'); + } + + if (!DNSRecordType[upperType] && upperType !== '*') { + throw new Error('Unsupported record type.'); + } + } + + keys.forEach((key) => { + if (record[key]) { + record[key] = setters[key]; + } + }); + + await cache.update(domain, cached); + + res.json({ success: true, message: 'Record changed successfully.', record }); +}); + +api.delete('/records/:domain', async (req, res) => { + const domain = req.params.domain; + const index = parseInt(req.body.index, 10); + + const cached = await getOrLoad(domain); + const { zone } = cached; + if (!index || isNaN(index) || !zone.records[index]) { + throw new Error('Invalid record index.'); + } + + const record = zone.records[index]; + if (record.type === DNSRecordType.SOA) { + throw new Error('Cannot delete the Start Of Authority record.'); + } + + zone.records.splice(index, 1); + await cache.update(domain, cached); + + res.json({ success: true, message: 'Record deleted successfully.', record }); +}); + +api.put('/records/:domain', async (req, res) => { + const domain = req.params.domain; + const setter = req.body.record; + + if (!setter) { + throw new Error('New record is missing!'); + } + + const missing = ['name', 'type', 'value'].reduce( + (list, entry) => (setter[entry] == null ? [...list, entry] : list) + , []); + + if (missing.length) { + throw new Error(`${missing.join(', ')} ${missing.length > 1 ? 'are' : 'is'} required.`); + } + + const { name, type, value } = setter; + const upperType = type.toUpperCase(); + if (upperType === 'SOA') { + throw new Error('Cannot add another Start Of Authority record. Please use POST method to modify the existing record.'); + } + + if (!DNSRecordType[upperType] && upperType !== '*') { + throw new Error('Unsupported record type.'); + } + + const cached = await getOrLoad(domain); + const { zone } = cached; + const newRecord = { name, type: upperType, value }; + zone.records.push(newRecord); + + await cache.update(domain, cached); + res.status(201).json({ success: true, message: 'Record added.', record: newRecord }); +}); + +api.post('/dyndns/:domain', async (req, res) => { + const domain = req.params.domain; + const subdomain = req.body.subdomain || '@'; + const waitPartial = req.body.dualRequest === true; + const { v4, v6 } = fromRequest(req); + + if (!v4 && !v6) { + res.json({ success: true, message: 'Nothing to do.' }); + } + + const cached = await getOrLoad(domain); + const { zone } = cached; + const actions: string[] = []; + + if (v4) { + const findFirstA = zone.records.find((record) => + record.type === DNSRecordType.A && record.name === subdomain + ); + + if (!findFirstA) { + zone.records.push({ + name: subdomain, + type: DNSRecordType.A, + value: v4 + }); + actions.push(`created A record ${v4}`); + } else { + if (findFirstA.value !== v4) { + findFirstA.value = v4; + actions.push(`updated A record with ${v4}`); + } + } + } + + if (v6) { + const findFirstAAAA = zone.records.find((record) => + record.type === DNSRecordType.AAAA && record.name === subdomain + ); + + if (!findFirstAAAA) { + zone.records.push({ + name: subdomain, + type: DNSRecordType.AAAA, + value: v6 + }); + actions.push(`created AAAA record ${v6}`); + } else { + if (findFirstAAAA.value !== v6) { + findFirstAAAA.value = v6; + actions.push(`updated AAAA record with ${v6}`); + } + } + } + + if (!actions.length) { + res.json({ + success: true, + message: 'Up to date.', + actions + }); + return; + } + + if (waitPartial && ((v4 && !v6) || (!v4 && v6))) { + res.status(202).json({ + success: true, + message: 'Waiting for next request..', + actions + }); + return; + } + + await cache.update(domain, cached); + + res.json({ + success: true, + message: 'Successfully updated zone file.', + actions + }); +}); + +const errorHandler: ErrorRequestHandler = (err: any, req: Request, res: Response, next: NextFunction) => { + res.status(400).json({ + success: false, + message: err.message + }); +} + +api.use(errorHandler); +app.use('/api/v1', api); + +app.listen(port, () => console.log(`listening on ${port}`)); diff --git a/src/ip/from-request.ts b/src/ip/from-request.ts new file mode 100644 index 0000000..77eda09 --- /dev/null +++ b/src/ip/from-request.ts @@ -0,0 +1,51 @@ +import { Request } from "express"; +import { validv4, validv6 } from "./validators"; + +export function fromRequest(req: Request): { v4: string | null, v6: string | null } { + let v4 = null; + const qv4 = req.query.ipv4 || req.body.ipv4; + + let v6 = null; + const qv6 = req.query.ipv6 || req.body.ipv6; + + // Lets begin our trials + // Determine Address from request headers + if (req.header('x-forwarded-for')) { + v4 = req.header('x-forwarded-for'); + } else { + v4 = req.socket.remoteAddress; + } + + if (v4 && !validv4(v4)) { + v6 = v4 + v4 = null + } + + // IPv4 + if (qv4 && validv4(qv4)) { + v4 = qv4 + } + + if (qv4 === 'ignore') { + v4 = null + } + + // IPv6 + if (qv6 && validv6(qv6)) { + v6 = qv6 + } + + if (qv6 === 'ignore') { + v6 = null + } + + if (v4 === null && v6 === null) { + return { v4, v6 }; + } + + // Remove subnet mask and prefix + if (v6) v6 = v6.replace(/\/(\d+)$/, '') + if (v4) v4 = v4.replace(/\/(\d+)$/, '') + + return { v4, v6 }; +} diff --git a/src/ip/validators.ts b/src/ip/validators.ts new file mode 100644 index 0000000..a6c263c --- /dev/null +++ b/src/ip/validators.ts @@ -0,0 +1,42 @@ +export function validv4(ipaddress: string): boolean { + if (/^(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/.test(ipaddress)) { + return true + } + return false +} + +export function validv6(value: string): boolean { + // See https://blogs.msdn.microsoft.com/oldnewthing/20060522-08/?p=31113 and + // https://4sysops.com/archives/ipv6-tutorial-part-4-ipv6-address-syntax/ + const components = value.split(':') + if (components.length < 2 || components.length > 8) { + return false + } + + if (components[0] !== '' || components[1] !== '') { + // Address does not begin with a zero compression ("::") + if (!components[0].match(/^[\da-f]{1,4}/i)) { + // Component must contain 1-4 hex characters + return false + } + } + + let numberOfZeroCompressions = 0 + for (let i = 1; i < components.length; ++i) { + if (components[i] === '') { + // We're inside a zero compression ("::") + ++numberOfZeroCompressions + if (numberOfZeroCompressions > 1) { + // Zero compression can only occur once in an address + return false + } + continue + } + if (!components[i].match(/^[\da-f]{1,4}/i)) { + // Component must contain 1-4 hex characters + return false + } + } + + return true +} diff --git a/src/models/interfaces.ts b/src/models/interfaces.ts new file mode 100644 index 0000000..7f013d9 --- /dev/null +++ b/src/models/interfaces.ts @@ -0,0 +1,32 @@ +import { DNSRecordType } from "../dns/records"; + +export interface DNSRecord { + [key: string]: string | number; + name: string; + type: DNSRecordType; + value: string; +} + +export interface SOARecord extends DNSRecord { + nameserver: string; + email: string; + serial: number; + refresh: number; + retry: number; + expire: number; + minimum: number; +} + +export interface DNSZone { + ttl: number; + records: DNSRecord[]; + includes: string[]; +} + +export interface CachedZone { + name: string; + file: string; + zone: DNSZone; + added: Date; + changed: Date; +} diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..0eeaea8 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,71 @@ +{ + "compilerOptions": { + /* Visit https://aka.ms/tsconfig.json to read more about this file */ + + /* Basic Options */ + // "incremental": true, /* Enable incremental compilation */ + "target": "es5", /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */ + "module": "commonjs", /* Specify module code generation: 'none', 'commonjs', 'amd', 'system', 'umd', 'es2015', 'es2020', or 'ESNext'. */ + // "lib": [], /* Specify library files to be included in the compilation. */ + // "allowJs": true, /* Allow javascript files to be compiled. */ + // "checkJs": true, /* Report errors in .js files. */ + // "jsx": "preserve", /* Specify JSX code generation: 'preserve', 'react-native', 'react', 'react-jsx' or 'react-jsxdev'. */ + // "declaration": true, /* Generates corresponding '.d.ts' file. */ + // "declarationMap": true, /* Generates a sourcemap for each corresponding '.d.ts' file. */ + // "sourceMap": true, /* Generates corresponding '.map' file. */ + // "outFile": "./", /* Concatenate and emit output to single file. */ + // "outDir": "./", /* Redirect output structure to the directory. */ + // "rootDir": "./", /* Specify the root directory of input files. Use to control the output directory structure with --outDir. */ + // "composite": true, /* Enable project compilation */ + // "tsBuildInfoFile": "./", /* Specify file to store incremental compilation information */ + // "removeComments": true, /* Do not emit comments to output. */ + // "noEmit": true, /* Do not emit outputs. */ + // "importHelpers": true, /* Import emit helpers from 'tslib'. */ + // "downlevelIteration": true, /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */ + // "isolatedModules": true, /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */ + + /* Strict Type-Checking Options */ + "strict": true, /* Enable all strict type-checking options. */ + // "noImplicitAny": true, /* Raise error on expressions and declarations with an implied 'any' type. */ + // "strictNullChecks": true, /* Enable strict null checks. */ + // "strictFunctionTypes": true, /* Enable strict checking of function types. */ + // "strictBindCallApply": true, /* Enable strict 'bind', 'call', and 'apply' methods on functions. */ + // "strictPropertyInitialization": true, /* Enable strict checking of property initialization in classes. */ + // "noImplicitThis": true, /* Raise error on 'this' expressions with an implied 'any' type. */ + // "alwaysStrict": true, /* Parse in strict mode and emit "use strict" for each source file. */ + + /* Additional Checks */ + // "noUnusedLocals": true, /* Report errors on unused locals. */ + // "noUnusedParameters": true, /* Report errors on unused parameters. */ + // "noImplicitReturns": true, /* Report error when not all code paths in function return a value. */ + // "noFallthroughCasesInSwitch": true, /* Report errors for fallthrough cases in switch statement. */ + // "noUncheckedIndexedAccess": true, /* Include 'undefined' in index signature results */ + // "noPropertyAccessFromIndexSignature": true, /* Require undeclared properties from index signatures to use element accesses. */ + + /* Module Resolution Options */ + // "moduleResolution": "node", /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */ + // "baseUrl": "./", /* Base directory to resolve non-absolute module names. */ + // "paths": {}, /* A series of entries which re-map imports to lookup locations relative to the 'baseUrl'. */ + // "rootDirs": [], /* List of root folders whose combined content represents the structure of the project at runtime. */ + // "typeRoots": [], /* List of folders to include type definitions from. */ + // "types": [], /* Type declaration files to be included in compilation. */ + // "allowSyntheticDefaultImports": true, /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */ + "esModuleInterop": true, /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */ + // "preserveSymlinks": true, /* Do not resolve the real path of symlinks. */ + // "allowUmdGlobalAccess": true, /* Allow accessing UMD globals from modules. */ + + /* Source Map Options */ + // "sourceRoot": "", /* Specify the location where debugger should locate TypeScript files instead of source locations. */ + // "mapRoot": "", /* Specify the location where debugger should locate map files instead of generated locations. */ + // "inlineSourceMap": true, /* Emit a single file with source maps instead of having a separate file. */ + // "inlineSources": true, /* Emit the source alongside the sourcemaps within a single file; requires '--inlineSourceMap' or '--sourceMap' to be set. */ + + /* Experimental Options */ + // "experimentalDecorators": true, /* Enables experimental support for ES7 decorators. */ + // "emitDecoratorMetadata": true, /* Enables experimental support for emitting type metadata for decorators. */ + + /* Advanced Options */ + "skipLibCheck": true, /* Skip type checking of declaration files. */ + "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */ + } +}