convert to ESM 💥📝

.eslintrc.json

@@ -1,7 +1,6 @@
 {
     "env": {
-        "commonjs": true,
-        "es6": true,
+        "es2021": true,
         "node": true
     },
     "extends": "eslint:recommended",
@@ -11,7 +10,8 @@
     },
     "ignorePatterns": ["node_modules", "*example.js"],
     "parserOptions": {
-        "ecmaVersion": 2018
+        "ecmaVersion": 2021,
+        "sourceType": "module"
     },
     "rules": {
         "no-unused-vars": [

docs/departures.md

@@ -43,8 +43,9 @@ With `opt`, you can override the default options, which look like this:
 If you pass an object `opt.products`, its fields will partially override the default products defined in the profile. An example with the [BVG profile](../p/bvg):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
+
 const client = createClient(vbbProfile, 'my-awesome-program')
 
 // will query with these products: suburban, subway, bus, express, regional
@@ -60,8 +61,8 @@ You may pass a departure's `tripId` into [`trip(id, lineName, [opt])`](trip.md)
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile, 'my-awesome-program')
 

docs/journeys-from-trip.md

@@ -22,8 +22,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [*Deutsche Bahn* profile](../p/db):
 
 ```js
-const createClient = require('hafas-client')
-const dbProfile = require('hafas-client/p/db')
+import {createClient} from 'hafas-client'
+import {dbProfile} from 'hafas-client/p/db.js'
 
 const berlinSüdkreuz = '8011113'
 const münchenHbf = '8000261'

docs/journeys.md

@@ -85,8 +85,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} 'hafas-client'
+import {vbbProfile} 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile, 'my-awesome-program')
 

docs/lines.md

@@ -7,8 +7,8 @@
 As an example, we're going to use the [SVV profile](../p/svv):
 
 ```js
-const createClient = require('hafas-client')
-const svvProfile = require('hafas-client/p/svv')
+import {createClient} from 'hafas-client'
+import {svvProfile} from 'hafas-client/p/svv.js'
 
 const client = createClient(svvProfile, 'my-awesome-program')
 

docs/locations.md

@@ -23,8 +23,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile, 'my-awesome-program')
 

docs/nearby.md

@@ -24,8 +24,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile, 'my-awesome-program')
 

docs/profile-boilerplate.js

@@ -1,4 +1,3 @@
-'use strict'
 // Refer to the the ./writing-a-profile.md guide.
 
 const products = [
@@ -41,4 +40,6 @@ const insaProfile = {
 	radar: false
 }
 
-module.exports = insaProfile
+export {
+	insaProfile,
+}

docs/radar.md

@@ -25,8 +25,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile, 'my-awesome-program')
 

docs/reachable-from.md

@@ -31,8 +31,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile, 'my-awesome-program')
 

docs/readme.md

@@ -11,9 +11,9 @@
 There's opt-in support for throttling requests to the endpoint.
 
 ```js
-const createClient = require('hafas-client')
-const withThrottling = require('hafas-client/throttle')
-const dbProfile = require('hafas-client/p/db')
+import {createClient} from 'hafas-client'
+import {withThrottling} from 'hafas-client/throttle.js'
+import {dbProfile} from 'hafas-client/p/db.js'
 
 // create a throttled HAFAS client with Deutsche Bahn profile
 const client = createClient(withThrottling(dbProfile), 'my-awesome-program')
@@ -35,9 +35,9 @@ const client = createClient(throttledDbProfile, 'my-awesome-program')
 There's opt-in support for retrying failed requests to the endpoint.
 
 ```js
-const createClient = require('hafas-client')
-const withRetrying = require('hafas-client/retry')
-const dbProfile = require('hafas-client/p/db')
+import {createClient} from 'hafas-client'
+import {withRetrying} from 'hafas-client/retry.js'
+import {dbProfile} from 'hafas-client/p/db.js'
 
 // create a client with Deutsche Bahn profile that will retry on HAFAS errors
 const client = createClient(withRetrying(dbProfile), 'my-awesome-program')
@@ -65,7 +65,7 @@ const client = createClient(retryingDbProfile, 'my-awesome-program')
 By default, `hafas-client` randomizes the client name that you pass into `createClient`, and sends it as [`User-Agent`](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/User-Agent) in a randomized form:
 
 ```js
-const createClient('hafas-client')
+import {createClient} from 'hafas-client'
 // …
 const client = createClient(someProfile, 'my-awesome-program')
 
@@ -158,7 +158,7 @@ Each error has the following properties:
 To check **if an error from `hafas-client` is HAFAS-specific, use `error instanceof HafasError`**:
 
 ```js
-const {HafasError} = require('hafas-client/lib/errors')
+import {HafasError} from 'hafas-client/lib/errors.js'
 
 try {
 	await client.journeys(/* … */)

docs/refresh-journey.md

@@ -21,8 +21,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile)
 

docs/remarks.md

@@ -20,8 +20,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [SVV profile](../p/svv):
 
 ```js
-const createClient = require('hafas-client')
-const svvProfile = require('hafas-client/p/svv')
+import {createClient} from 'hafas-client'
+import {svvProfile} from 'hafas-client/p/svv.js'
 
 const client = createClient(svvProfile, 'my-awesome-program')
 

docs/server-info.md

@@ -16,8 +16,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [SVV profile](../p/svv):
 
 ```js
-const createClient = require('hafas-client')
-const svvProfile = require('hafas-client/p/svv')
+import {createClient} from 'hafas-client'
+import {svvProfile} from 'hafas-client/p/svv.js'
 
 const client = createClient(svvProfile, 'my-awesome-program')
 

docs/stop.md

@@ -35,8 +35,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile, 'my-awesome-program')
 

docs/trip.md

@@ -7,8 +7,8 @@ This method can be used to refetch information about a trip – a vehicle stopp
 Let's say you used [`journeys`](journeys.md) and now want to get more up-to-date data about the arrival/departure of a leg. You'd pass in the trip ID from `leg.tripId`, e.g. `'1|24983|22|86|18062017'`, and the name of the line from `leg.line.name` like this:
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile, 'my-awesome-program')
 
@@ -39,8 +39,8 @@ With `opt`, you can override the default options, which look like this:
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb/index.js'
 
 const client = createClient(vbbProfile)
 

docs/trips-by-name.md

@@ -7,8 +7,8 @@ Get all trips matching one or more criteria, e.g. a specific name.
 As an example, we're going to use the [VBB profile](../p/vbb):
 
 ```js
-const createClient = require('hafas-client')
-const vbbProfile = require('hafas-client/p/vbb')
+import {createClient} from 'hafas-client'
+import {vbbProfile} from 'hafas-client/p/vbb.js'
 
 const client = createClient(vbbProfile, 'my-awesome-program')
 

docs/writing-a-profile.md

@@ -35,7 +35,7 @@ Assuming their HAFAS endpoint returns all line names prefixed with `foo `, we ca
 
 ```js
 // get the default line parser
-const parseLine = require('hafas-client/parse/line')
+import {parseLine} from 'hafas-client/parse/line.js'
 
 // wrapper function with additional logic
 const parseLineWithoutFoo = (ctx, rawLine) => {
@@ -52,7 +52,7 @@ If you pass this profile into `hafas-client`, the `parseLine` method will overri
 You can also use the `parseHook` helper to reduce boilerplate:
 
 ```js
-const {parseHook} = require('hafas-client/lib/profile-hooks')
+import {parseHook} from 'hafas-client/lib/profile-hooks.js'
 
 const removeFoo = (ctx, rawLine) => ({
 	...ctx.parsed,

format/address.js

@@ -1,7 +1,5 @@
-'use strict'
-
-const formatLocationIdentifier = require('./location-identifier')
-const formatCoord = require('./coord')
+import {formatLocationIdentifier} from './location-identifier.js'
+import {formatCoord} from './coord.js'
 
 const formatAddress = (a) => {
 	if (a.type !== 'location' || !a.latitude || !a.longitude || !a.address) {
@@ -22,4 +20,6 @@ const formatAddress = (a) => {
 	}
 }
 
-module.exports = formatAddress
+export {
+	formatAddress,
+}

format/coord.js

@@ -1,5 +1,5 @@
-'use strict'
-
 const formatCoord = x => Math.round(x * 1000000)
 
-module.exports = formatCoord
+export {
+	formatCoord,
+}

format/date.js

@@ -1,6 +1,4 @@
-'use strict'
-
-const {DateTime, IANAZone} = require('luxon')
+import {DateTime, IANAZone} from 'luxon'
 
 const timezones = new WeakMap()
 
@@ -19,4 +17,6 @@ const formatDate = (profile, when) => {
 	}).toFormat('yyyyMMdd')
 }
 
-module.exports = formatDate
+export {
+	formatDate,
+}

format/filters.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const bike = {type: 'BC', mode: 'INC'}
 
 const accessibility = {
@@ -8,4 +6,7 @@ const accessibility = {
 	complete: {type: 'META', mode: 'INC', meta: 'completeBarrierfree'}
 }
 
-module.exports = {bike, accessibility}
+export {
+	bike,
+	accessibility,
+}

format/index.js

@@ -1,13 +0,0 @@
-'use strict'
-
-module.exports = {
-	date: require('./date'),
-	time: require('./time'),
-	filters: require('./filters'),
-	station: require('./station'),
-	address: require('./address'),
-	poi: require('./poi'),
-	location: require('./location'),
-	locationFilter: require('./location-filter'),
-	rectangle: require('./rectangle')
-}

format/lines-req.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatLinesReq = (ctx, query) => {
 	return {
 		meth: 'LineMatch',
@@ -9,4 +7,6 @@ const formatLinesReq = (ctx, query) => {
 	}
 }
 
-module.exports = formatLinesReq
+export {
+	formatLinesReq,
+}

format/location-filter.js

@@ -1,8 +1,8 @@
-'use strict'
-
 const formatLocationFilter = (stops, addresses, poi) => {
 	if (stops && addresses && poi) return 'ALL'
 	return (stops ? 'S' : '') + (addresses ? 'A' : '') + (poi ? 'P' : '')
 }
 
-module.exports = formatLocationFilter
+export {
+	formatLocationFilter,
+}

format/location-identifier.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const sep = '@'
 
 const formatLocationIdentifier = (data) => {
@@ -13,4 +11,6 @@ const formatLocationIdentifier = (data) => {
 	return str
 }
 
-module.exports = formatLocationIdentifier
+export {
+	formatLocationIdentifier,
+}

format/location.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatLocation = (profile, l, name = 'location') => {
 	if ('string' === typeof l) return profile.formatStation(l)
 	if ('object' === typeof l && !Array.isArray(l)) {
@@ -14,4 +12,6 @@ const formatLocation = (profile, l, name = 'location') => {
 	throw new TypeError(name + ': valid station, address or poi required.')
 }
 
-module.exports = formatLocation
+export {
+	formatLocation,
+}

format/locations-req.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatLocationsReq = (ctx, query) => {
 	const {profile, opt} = ctx
 
@@ -17,4 +15,6 @@ const formatLocationsReq = (ctx, query) => {
 	}
 }
 
-module.exports = formatLocationsReq
+export {
+	formatLocationsReq,
+}

format/nearby-req.js

@@ -1,6 +1,4 @@
-'use strict'
-
-const nearbyReq = (ctx, location) => {
+const formatNearbyReq = (ctx, location) => {
 	const {profile, opt} = ctx
 
 	return {
@@ -25,4 +23,6 @@ const nearbyReq = (ctx, location) => {
 	}
 }
 
-module.exports = nearbyReq
+export {
+	formatNearbyReq,
+}

format/poi.js

@@ -1,7 +1,5 @@
-'use strict'
-
-const formatLocationIdentifier = require('./location-identifier')
-const formatCoord = require('./coord')
+import {formatLocationIdentifier} from './location-identifier.js'
+import {formatCoord} from './coord.js'
 
 const formatPoi = (p) => {
 	if (p.type !== 'location' || !p.latitude || !p.longitude || !p.id || !p.name) {
@@ -21,4 +19,6 @@ const formatPoi = (p) => {
 	}
 }
 
-module.exports = formatPoi
+export {
+	formatPoi,
+}

format/products-filter.js

@@ -1,6 +1,4 @@
-'use strict'
-
-const isObj = require('lodash/isObject')
+import isObj from 'lodash/isObject.js'
 
 const hasProp = (o, k) => Object.prototype.hasOwnProperty.call(o, k)
 
@@ -32,4 +30,6 @@ const formatProductsFilter = (ctx, filter) => {
 	}
 }
 
-module.exports = formatProductsFilter
+export {
+	formatProductsFilter,
+}

format/radar-req.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatRadarReq = (ctx, north, west, south, east) => {
 	const {profile, opt} = ctx
 
@@ -26,4 +24,6 @@ const formatRadarReq = (ctx, north, west, south, east) => {
 	}
 }
 
-module.exports = formatRadarReq
+export {
+	formatRadarReq,
+}

format/reachable-from-req.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatReachableFromReq = (ctx, address) => {
 	const {profile, opt} = ctx
 
@@ -19,4 +17,6 @@ const formatReachableFromReq = (ctx, address) => {
 	}
 }
 
-module.exports = formatReachableFromReq
+export {
+	formatReachableFromReq,
+}

format/rectangle.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatRectangle = (profile, north, west, south, east) => {
 	return {
 		llCrd: {
@@ -13,4 +11,6 @@ const formatRectangle = (profile, north, west, south, east) => {
 	}
 }
 
-module.exports = formatRectangle
+export {
+	formatRectangle,
+}

format/refresh-journey-req.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatRefreshJourneyReq = (ctx, refreshToken) => {
 	// eslint-disable-next-line no-unused-vars
 	const {profile, opt} = ctx
@@ -22,4 +20,6 @@ const formatRefreshJourneyReq = (ctx, refreshToken) => {
 	}
 }
 
-module.exports = formatRefreshJourneyReq
+export {
+	formatRefreshJourneyReq,
+}

format/remarks-req.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatRemarksReq = (ctx) => {
 	const {profile, opt} = ctx
 
@@ -31,4 +29,6 @@ const formatRemarksReq = (ctx) => {
 	return {meth: 'HimSearch', req}
 }
 
-module.exports = formatRemarksReq
+export {
+	formatRemarksReq,
+}

format/station-board-req.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatStationBoardReq = (ctx, station, type) => {
 	const {profile, opt} = ctx
 
@@ -31,4 +29,6 @@ const formatStationBoardReq = (ctx, station, type) => {
 	}
 }
 
-module.exports = formatStationBoardReq
+export {
+	formatStationBoardReq,
+}

format/station.js

@@ -1,6 +1,4 @@
-'use strict'
-
-const formatLocationIdentifier = require('./location-identifier')
+import {formatLocationIdentifier} from './location-identifier.js'
 
 const formatStation = (id) => {
 	return {
@@ -13,4 +11,6 @@ const formatStation = (id) => {
 	}
 }
 
-module.exports = formatStation
+export {
+	formatStation,
+}

format/stop-req.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatStopReq = (ctx, stopRef) => {
 	return {
 		// todo: there's also `StationDetails`, are there differences?
@@ -10,4 +8,6 @@ const formatStopReq = (ctx, stopRef) => {
 	}
 }
 
-module.exports = formatStopReq
+export {
+	formatStopReq,
+}

format/time.js

@@ -1,6 +1,4 @@
-'use strict'
-
-const {DateTime, IANAZone} = require('luxon')
+import {DateTime, IANAZone} from 'luxon'
 
 const timezones = new WeakMap()
 
@@ -19,4 +17,6 @@ const formatTime = (profile, when) => {
 	}).toFormat('HHmmss')
 }
 
-module.exports = formatTime
+export {
+	formatTime,
+}

format/trip-req.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const formatTripReq = ({opt}, id) => {
 	return {
 		cfg: {polyEnc: 'GPA'},
@@ -15,4 +13,6 @@ const formatTripReq = ({opt}, id) => {
 	}
 }
 
-module.exports = formatTripReq
+export {
+	formatTripReq,
+}

index.js

@@ -1,14 +1,12 @@
-'use strict'
+import isObj from 'lodash/isObject.js'
+import sortBy from 'lodash/sortBy.js'
+import omit from 'lodash/omit.js'
 
-const isObj = require('lodash/isObject')
-const sortBy = require('lodash/sortBy')
-const omit = require('lodash/omit')
-
-const defaultProfile = require('./lib/default-profile')
-const validateProfile = require('./lib/validate-profile')
-const {INVALID_REQUEST} = require('./lib/errors')
-const sliceLeg = require('./lib/slice-leg')
-const {HafasError} = require('./lib/errors')
+import {defaultProfile} from './lib/default-profile.js'
+import {validateProfile} from './lib/validate-profile.js'
+import {INVALID_REQUEST} from './lib/errors.js'
+import {sliceLeg} from './lib/slice-leg.js'
+import {HafasError} from './lib/errors.js'
 
 const isNonEmptyString = str => 'string' === typeof str && str.length > 0
 
@@ -795,4 +793,6 @@ const createClient = (profile, userAgent, opt = {}) => {
 	return client
 }
 
-module.exports = createClient
+export {
+	createClient,
+}

lib/check-if-res-is-ok.js

@@ -1,44 +0,0 @@
-'use strict'
-
-const {HafasError, byErrorCode} = require('./errors')
-
-const checkIfResponseIsOk = (_) => {
-	const {
-		body,
-		errProps: baseErrProps,
-	} = _
-
-	const errProps = {
-		...baseErrProps,
-	}
-	if (body.id) errProps.hafasResponseId = body.id
-
-	// Because we want more accurate stack traces, we don't construct the error here,
-	// but only return the constructor & error message.
-	const getError = (_) => {
-		// mutating here is ugly but pragmatic
-		if (_.errTxt) errProps.hafasMessage = _.errTxt
-		if (_.errTxtOut) errProps.hafasDescription = _.errTxtOut
-
-		if (_.err in byErrorCode) return byErrorCode[_.err]
-		return {
-			Error: HafasError,
-			message: body.errTxt || 'unknown error',
-			props: {},
-		}
-	}
-
-	if (body.err && body.err !== 'OK') {
-		const {Error: HafasError, message, props} = getError(body)
-		throw new HafasError(message, body.err, {...errProps, ...props})
-	}
-	if (!body.svcResL || !body.svcResL[0]) {
-		throw new HafasError('invalid/unsupported response structure', null, errProps)
-	}
-	if (body.svcResL[0].err !== 'OK') {
-		const {Error: HafasError, message, props} = getError(body.svcResL[0])
-		throw new HafasError(message, body.svcResL[0].err, {...errProps, ...props})
-	}
-}
-
-module.exports = checkIfResponseIsOk

lib/default-profile.js

@@ -1,52 +1,50 @@
-'use strict'
+import {request} from '../lib/request.js'
 
-const request = require('../lib/request')
+import {formatStationBoardReq} from '../format/station-board-req.js'
+import {formatLocationsReq} from '../format/locations-req.js'
+import {formatStopReq} from '../format/stop-req.js'
+import {formatNearbyReq} from '../format/nearby-req.js'
+import {formatTripReq} from '../format/trip-req.js'
+import {formatRadarReq} from '../format/radar-req.js'
+import {formatReachableFromReq} from '../format/reachable-from-req.js'
+import {formatRefreshJourneyReq} from '../format/refresh-journey-req.js'
+import {formatRemarksReq} from '../format/remarks-req.js'
+import {formatLinesReq} from '../format/lines-req.js'
 
-const formatStationBoardReq = require('../format/station-board-req')
-const formatLocationsReq = require('../format/locations-req')
-const formatStopReq = require('../format/stop-req')
-const formatNearbyReq = require('../format/nearby-req')
-const formatTripReq = require('../format/trip-req')
-const formatRadarReq = require('../format/radar-req')
-const formatReachableFromReq = require('../format/reachable-from-req')
-const formatRefreshJourneyReq = require('../format/refresh-journey-req')
-const formatRemarksReq = require('../format/remarks-req')
-const formatLinesReq = require('../format/lines-req')
+import {parseDateTime} from '../parse/date-time.js'
+import {parsePlatform} from '../parse/platform.js'
+import {parseBitmask as parseProductsBitmask} from '../parse/products-bitmask.js'
+import {parseIcon} from '../parse/icon.js'
+import {parseWhen} from '../parse/when.js'
+import {parsePrognosisType} from '../parse/prognosis-type.js'
+import {parseScheduledDays} from '../parse/scheduled-days.js'
+import {parseDeparture} from '../parse/departure.js'
+import {parseArrival} from '../parse/arrival.js'
+import {parseTrip} from '../parse/trip.js'
+import {parseJourneyLeg} from '../parse/journey-leg.js'
+import {parseJourney} from '../parse/journey.js'
+import {parseLine} from '../parse/line.js'
+import {parseLocation} from '../parse/location.js'
+import {parseCommonData as parseCommon} from '../parse/common.js'
+import {parsePolyline} from '../parse/polyline.js'
+import {parseMovement} from '../parse/movement.js'
+import {parseNearby} from '../parse/nearby.js'
+import {parseOperator} from '../parse/operator.js'
+import {parseHint} from '../parse/hint.js'
+import {parseWarning} from '../parse/warning.js'
+import {parseStopover} from '../parse/stopover.js'
 
-const parseDateTime = require('../parse/date-time')
-const parsePlatform = require('../parse/platform')
-const parseProductsBitmask = require('../parse/products-bitmask')
-const parseIcon = require('../parse/icon')
-const parseWhen = require('../parse/when')
-const parsePrognosisType = require('../parse/prognosis-type')
-const parseScheduledDays = require('../parse/scheduled-days')
-const parseDeparture = require('../parse/departure')
-const parseArrival = require('../parse/arrival')
-const parseTrip = require('../parse/trip')
-const parseJourneyLeg = require('../parse/journey-leg')
-const parseJourney = require('../parse/journey')
-const parseLine = require('../parse/line')
-const parseLocation = require('../parse/location')
-const parseCommon = require('../parse/common')
-const parsePolyline = require('../parse/polyline')
-const parseMovement = require('../parse/movement')
-const parseNearby = require('../parse/nearby')
-const parseOperator = require('../parse/operator')
-const parseHint = require('../parse/hint')
-const parseWarning = require('../parse/warning')
-const parseStopover = require('../parse/stopover')
-
-const formatAddress = require('../format/address')
-const formatCoord = require('../format/coord')
-const formatDate = require('../format/date')
-const formatLocationFilter = require('../format/location-filter')
-const formatProductsFilter = require('../format/products-filter')
-const formatPoi = require('../format/poi')
-const formatStation = require('../format/station')
-const formatTime = require('../format/time')
-const formatLocation = require('../format/location')
-const formatRectangle = require('../format/rectangle')
-const filters = require('../format/filters')
+import {formatAddress} from '../format/address.js'
+import {formatCoord} from '../format/coord.js'
+import {formatDate} from '../format/date.js'
+import {formatLocationFilter} from '../format/location-filter.js'
+import {formatProductsFilter} from '../format/products-filter.js'
+import {formatPoi} from '../format/poi.js'
+import {formatStation} from '../format/station.js'
+import {formatTime} from '../format/time.js'
+import {formatLocation} from '../format/location.js'
+import {formatRectangle} from '../format/rectangle.js'
+import * as filters from '../format/filters.js'
 
 const DEBUG = /(^|,)hafas-client(,|$)/.test(process.env.DEBUG || '')
 const logRequest = DEBUG
@@ -137,4 +135,6 @@ const defaultProfile = {
 	lines: true,
 }
 
-module.exports = defaultProfile
+export {
+	defaultProfile,
+}

lib/errors.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const ACCESS_DENIED = 'ACCESS_DENIED'
 const INVALID_REQUEST = 'INVALID_REQUEST'
 const NOT_FOUND = 'NOT_FOUND'
@@ -283,7 +281,7 @@ const byErrorCode = Object.assign(Object.create(null), {
 	}
 })
 
-module.exports = {
+export {
 	ACCESS_DENIED,
 	INVALID_REQUEST,
 	NOT_FOUND,

lib/find-in-tree.js

@@ -1,6 +1,4 @@
-'use strict'
-
-const objectScan = require('object-scan')
+import objectScan from 'object-scan'
 
 const createFindInTree = (needles) => {
 	const scanner = objectScan(needles, {
@@ -20,4 +18,6 @@ const createFindInTree = (needles) => {
 	}
 }
 
-module.exports = createFindInTree
+export {
+	createFindInTree,
+}

lib/profile-hooks.js

@@ -1,5 +1,3 @@
-'use strict'
-
 // For any type of "thing to parse", there's >=1 parse functions.
 // By composing custom parse function(s) with the default ones, one
 // can customize the behaviour of hafas-client. Profiles extensively
@@ -20,6 +18,6 @@ const parseHook = (oldParse, newParse) => {
 	}
 }
 
-module.exports = {
-	parseHook
+export {
+	parseHook,
 }

lib/request.js

@@ -1,16 +1,13 @@
-'use strict'
-
-const ProxyAgent = require('https-proxy-agent')
-const {isIP} = require('net')
-const {Agent: HttpsAgent} = require('https')
-const roundRobin = require('@derhuerst/round-robin-scheduler')
-const {randomBytes} = require('crypto')
-const createHash = require('create-hash')
-const {stringify} = require('qs')
-const {Request, fetch} = require('cross-fetch')
-const {parse: parseContentType} = require('content-type')
-const {HafasError} = require('./errors')
-const checkIfResponseIsOk = require('./check-if-res-is-ok')
+import ProxyAgent from 'https-proxy-agent'
+import {isIP} from 'net'
+import {Agent as HttpsAgent} from 'https'
+import roundRobin from '@derhuerst/round-robin-scheduler'
+import {randomBytes} from 'crypto'
+import createHash from 'create-hash'
+import {stringify} from 'qs'
+import {Request, fetch} from 'cross-fetch'
+import {parse as parseContentType} from 'content-type'
+import {HafasError, byErrorCode} from './errors.js'
 
 const proxyAddress = process.env.HTTPS_PROXY || process.env.HTTP_PROXY || null
 const localAddresses = process.env.LOCAL_ADDRESS || null
@@ -62,6 +59,45 @@ const randomizeUserAgent = (userAgent) => {
 
 const md5 = input => createHash('md5').update(input).digest()
 
+const checkIfResponseIsOk = (_) => {
+	const {
+		body,
+		errProps: baseErrProps,
+	} = _
+
+	const errProps = {
+		...baseErrProps,
+	}
+	if (body.id) errProps.hafasResponseId = body.id
+
+	// Because we want more accurate stack traces, we don't construct the error here,
+	// but only return the constructor & error message.
+	const getError = (_) => {
+		// mutating here is ugly but pragmatic
+		if (_.errTxt) errProps.hafasMessage = _.errTxt
+		if (_.errTxtOut) errProps.hafasDescription = _.errTxtOut
+
+		if (_.err in byErrorCode) return byErrorCode[_.err]
+		return {
+			Error: HafasError,
+			message: body.errTxt || 'unknown error',
+			props: {},
+		}
+	}
+
+	if (body.err && body.err !== 'OK') {
+		const {Error: HafasError, message, props} = getError(body)
+		throw new HafasError(message, body.err, {...errProps, ...props})
+	}
+	if (!body.svcResL || !body.svcResL[0]) {
+		throw new HafasError('invalid/unsupported response structure', null, errProps)
+	}
+	if (body.svcResL[0].err !== 'OK') {
+		const {Error: HafasError, message, props} = getError(body.svcResL[0])
+		throw new HafasError(message, body.svcResL[0].err, {...errProps, ...props})
+	}
+}
+
 const request = async (ctx, userAgent, reqData) => {
 	const {profile, opt} = ctx
 
@@ -163,4 +199,7 @@ const request = async (ctx, userAgent, reqData) => {
 	}
 }
 
-module.exports = request
+export {
+	checkIfResponseIsOk,
+	request,
+}

lib/slice-leg.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const findById = (needle) => {
 	const needleStopId = needle.id
 	const needleStationId = needle.station ? needle.station.id : null
@@ -44,4 +42,6 @@ const sliceLeg = (leg, from, to) => {
 	return newLeg
 }
 
-module.exports = sliceLeg
+export {
+	sliceLeg,
+}

lib/validate-profile.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const types = {
 	locale: 'string',
 	timezone: 'string',
@@ -92,4 +90,6 @@ const validateProfile = (profile) => {
 	}
 }
 
-module.exports = validateProfile
+export {
+	validateProfile,
+}

p/avv/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const vosProfile = require('.')
-
-const client = createClient(vosProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 const rwth = '1057'
 const kronenberg = '1397'
@@ -48,6 +47,6 @@ client.locations('kronenberg', {results: 3})
 // })
 
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/avv/index.js

@@ -1,4 +1,7 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
 
@@ -81,7 +84,7 @@ const products = [{
 	default: true,
 }]
 
-const avvProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'de-DE',
 	timezone: 'Europe/Berlin',
@@ -97,4 +100,6 @@ const avvProfile = {
 	remarksGetPolyline: false,
 }
 
-module.exports = avvProfile
+export {
+	profile,
+}

p/avv/readme.md

@@ -5,8 +5,8 @@
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const avvProfile = require('hafas-client/p/AVV')
+import {createClient} from 'hafas-client'
+import {avvProfile} from 'hafas-client/p/avv/index.js'
 
 // create a client with AVV profile
 const client = createClient(avvProfile, 'my-awesome-program')

p/bart/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const vosProfile = require('.')
-
-const client = createClient(vosProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 const fremont = '100013296'
 const embarcadero = '100013295'
@@ -48,6 +47,6 @@ client.locations('embarcadero', {results: 3})
 // })
 
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/bart/index.js

@@ -1,4 +1,7 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
 
@@ -46,7 +49,7 @@ const products = [{
 	default: true,
 }]
 
-const bartProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'en-US',
 	timezone: 'America/Los_Angeles',
@@ -61,4 +64,6 @@ const bartProfile = {
 	refreshJourneyUseOutReconL: true,
 }
 
-module.exports = bartProfile
+export {
+	profile,
+}

p/bart/readme.md

@@ -5,8 +5,8 @@
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const bartProfile = require('hafas-client/p/BART')
+import {createClient} from 'hafas-client'
+import {bartProfile} from 'hafas-client/p/bart/index.js'
 
 // create a client with BART profile
 const client = createClient(bartProfile, 'my-awesome-program')

p/bls/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const blsProfile = require('.')
-
-const client = createClient(blsProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 const bernDennigkofengässli = '8590093'
 const münsingenSpital = '8578932'
@@ -48,6 +47,6 @@ client.journeys(bernDennigkofengässli, münsingenSpital, {results: 1, stopovers
 // })
 
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/bls/index.js

@@ -1,4 +1,7 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
 
@@ -74,7 +77,7 @@ const products = [{
 	default: true,
 }]
 
-const blsProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'de-DE',
 	timezone: 'Europe/Berlin',
@@ -88,4 +91,6 @@ const blsProfile = {
 	reachableFrom: true,
 }
 
-module.exports = blsProfile
+export {
+	profile,
+}

p/bls/readme.md

@@ -5,8 +5,8 @@
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const blsProfile = require('hafas-client/p/BLS')
+import {createClient} from 'hafas-client'
+import {blsProfile} from 'hafas-client/p/bls/index.js'
 
 // create a client with BLS profile
 const client = createClient(blsProfile, 'my-awesome-program')

p/bvg/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const bvgProfile = require('.')
-
-const client = createClient(bvgProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 // Hauptbahnhof to Charlottenburg
 client.journeys('900000003201', '900000024101', {results: 1, polylines: true})
@@ -43,6 +42,6 @@ client.journeys('900000003201', '900000024101', {results: 1, polylines: true})
 // 	return client.refreshJourney(journey.refreshToken, {stopovers: true, remarks: true})
 // })
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/bvg/index.js

@@ -1,19 +1,20 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
-const {parseHook} = require('../../lib/profile-hooks')
+import {parseHook} from '../../lib/profile-hooks.js'
 
-const parseAndAddLocationDHID = require('../vbb/parse-loc-dhid')
+import {parseAndAddLocationDHID} from '../vbb/parse-loc-dhid.js'
 
-const {
-	parseLocation: _parseLocation,
-	parseArrival: _parseArrival,
-	parseDeparture: _parseDeparture,
-	parseStopover: _parseStopover,
-	parseJourneyLeg: _parseJourneyLeg,
-} = require('../../lib/default-profile')
+import {parseLocation as _parseLocation} from '../../parse/location.js'
+import {parseArrival as _parseArrival} from '../../parse/arrival.js'
+import {parseDeparture as _parseDeparture} from '../../parse/departure.js'
+import {parseStopover as _parseStopover} from '../../parse/stopover.js'
+import {parseJourneyLeg as _parseJourneyLeg} from '../../parse/journey-leg.js'
 
 const baseProfile = require('./base.json')
-const products = require('./products')
+import {products} from './products.js'
 
 // todo: there's also a referenced icon `{"res":"occup_fig_{low,mid}"}`
 const addOccupancy = (item, occupancyCodes) => {
@@ -131,7 +132,7 @@ const requestJourneysWithBerlkoenig = ({opt}, query) => {
 
 // todo: adapt/extend `vbb-parse-ticket` to support the BVG markup
 
-const bvgProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'de-DE',
 	timezone: 'Europe/Berlin',
@@ -162,4 +163,6 @@ const bvgProfile = {
 	reachableFrom: true
 }
 
-module.exports = bvgProfile
+export {
+	profile,
+}

p/bvg/products.js

@@ -1,6 +1,4 @@
-'use strict'
-
-module.exports = [
+const products = [
 	{
 		id: 'suburban',
 		mode: 'train',
@@ -58,3 +56,7 @@ module.exports = [
 		default: true
 	}
 ]
+
+export {
+	products,
+}

p/bvg/readme.md

@@ -5,8 +5,8 @@
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const bvgProfile = require('hafas-client/p/bvg')
+import {createClient} from 'hafas-client'
+import {bvgProfile} from 'hafas-client/p/bvg/index.js'
 
 // create a client with BVG profile
 const client = createClient(bvgProfile, 'my-awesome-program')

p/cfl/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const cflProfile = require('.')
-
-const client = createClient(cflProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 const mersch = '9864348'
 const bruxellesCentral = '8800003'
@@ -47,6 +46,6 @@ client.journeys(mersch, bruxellesCentral, {results: 1})
 // })
 
 .then(data => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/cfl/index.js

@@ -1,9 +1,12 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
-const products = require('./products')
+import {products} from './products.js'
 
-const cflProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'de-LU',
 	timezone: 'Europe/Luxembourg',
@@ -18,4 +21,6 @@ const cflProfile = {
 	remarksGetPolyline: false,
 }
 
-module.exports = cflProfile;
+export {
+	profile,
+}

p/cfl/products.js

@@ -1,6 +1,4 @@
-'use strict'
-
-module.exports = [
+const products = [
 	// todo: other bits
 	{
 		id: 'express-train',
@@ -43,3 +41,7 @@ module.exports = [
 		default: true
 	}
 ]
+
+export {
+	products,
+}

p/cfl/readme.md

@@ -5,8 +5,8 @@ The [*Société Nationale des Chemins de Fer Luxembourgeois (CFL)*](https://en.w
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const cflProfile = require('hafas-client/p/cfl')
+import {createClient} from 'hafas-client'
+import {cflProfile} from 'hafas-client/p/cfl/index.js'
 
 // create a client with CFL profile
 const client = createClient(cflProfile)

p/cmta/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const cmtaProfile = require('.')
-
-const client = createClient(cmtaProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 // Broadie Oaks to Domain
 client.journeys('000002370', '000005919', {results: 1, polylines: true})
@@ -43,6 +42,6 @@ client.journeys('000002370', '000005919', {results: 1, polylines: true})
 // })
 
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/cmta/index.js

@@ -1,9 +1,12 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
-const products = require('./products')
+import {products} from './products.js'
 
-const cmtaProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'en-US',
 	timezone: 'America/Chicago',
@@ -18,4 +21,6 @@ const cmtaProfile = {
 	remarks: true, // `.svcResL[0].res.msgL[]` is missing though 🤔
 }
 
-module.exports = cmtaProfile
+export {
+	profile,
+}

p/cmta/products.js

@@ -1,6 +1,4 @@
-'use strict'
-
-module.exports = [
+const products = [
 	{
 		id: 'bus',
 		mode: 'bus',
@@ -26,3 +24,7 @@ module.exports = [
 		default: true
 	}
 ]
+
+export {
+	products,
+}

p/cmta/readme.md

@@ -5,8 +5,8 @@
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const cmtaProfile = require('hafas-client/p/cmta')
+import {createClient} from 'hafas-client'
+import {cmtaProfile} from 'hafas-client/p/cmta/index.js'
 
 // create a client with CMTA profile
 const client = createClient(cmtaProfile, 'my-awesome-program')

p/dart/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const dartProfile = require('.')
-
-const client = createClient(dartProfile, 'hafas-client example')
+const client = createClient(profile, 'hafas-client example')
 
 const mlkJrPkwyAdamsAveDsm2055 = '100002702'
 const se5thStEHackleyAveDsm2294 = '100004972'
@@ -49,6 +48,6 @@ client.locations('adams ave', {results: 3})
 // })
 
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/dart/index.js

@@ -1,4 +1,7 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
 
@@ -11,7 +14,7 @@ const products = [{
 	default: true,
 }]
 
-const dartProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'en-US',
 	timezone: 'America/Chicago',
@@ -24,4 +27,6 @@ const dartProfile = {
 	radar: true,
 }
 
-module.exports = dartProfile
+export {
+	profile,
+}

p/dart/readme.md

@@ -7,8 +7,8 @@
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const dartProfile = require('hafas-client/p/dart')
+import {createClient} from 'hafas-client'
+import {dartProfile} from 'hafas-client/p/dart/index.js'
 
 // create a client with DART profile
 const client = createClient(dartProfile, 'my-awesome-program')

p/db-busradar-nrw/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../../')
-const dbbusradarnrwProfile = require('.')
-
-const client = createClient(dbbusradarnrwProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 // Hagen Bauhaus to Schwerte Bahnhof
 // returns hafas error PARSE
@@ -36,6 +35,6 @@ client.journeys('3307002', '3357026', {results: 1})
 // }, {results: 10})
 
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 }, console.error)
 

p/db-busradar-nrw/index.js

@@ -1,4 +1,7 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
 
@@ -75,7 +78,7 @@ const products = [
 	}
 ]
 
-const dbBusradarNrwProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'de-DE',
 	timezone: 'Europe/Berlin',
@@ -90,5 +93,6 @@ const dbBusradarNrwProfile = {
 	lines: false, // `.svcResL[0].res.lineL[]` is missing 🤔
 }
 
-module.exports = dbBusradarNrwProfile
-
+export {
+	profile,
+}

p/db-busradar-nrw/readme.md

@@ -11,8 +11,8 @@ This profile adapts `hafas-client` to the HAFAS endpoint used by the application
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const dbbusradarnrwProfile = require('hafas-client/p/db-busradar-nrw')
+import {createClient} from 'hafas-client'
+import {dbbusradarnrwProfile} from 'hafas-client/p/db-busradar-nrw/index.js'
 
 // create a client with DB Busradar NRW profile
 const client = createClient(dbbusradarnrwProfile, 'my-awesome-program')

p/db/ageGroup.js

@@ -1,5 +1,3 @@
-'use strict'
-
 const ageGroup = {
 	BABY: 'B',
 	CHILD: 'K',
@@ -30,7 +28,7 @@ const ageGroupFromAge = (age) => {
 	throw new TypeError(`Invalid age '${age}'`)
 }
 
-module.exports = {
+export {
 	ageGroup,
-	ageGroupFromAge
+	ageGroupFromAge,
 }

p/db/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../../')
-const dbProfile = require('.')
-
-const client = createClient(dbProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 // Berlin Jungfernheide to München Hbf
 client.journeys('8011167', '8000261', {results: 1, tickets: true})
@@ -55,5 +54,5 @@ client.journeys('8011167', '8000261', {results: 1, tickets: true})
 // })
 
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 }, console.error)

p/db/index.js

@@ -1,25 +1,28 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
-const trim = require('lodash/trim')
-const uniqBy = require('lodash/uniqBy')
-const slugg = require('slugg')
-const without = require('lodash/without')
-const {parseHook} = require('../../lib/profile-hooks')
+import trim from 'lodash/trim.js'
+import uniqBy from 'lodash/uniqBy.js'
+import slugg from 'slugg'
+import without from 'lodash/without.js'
+import {parseHook} from '../../lib/profile-hooks.js'
 
-const _parseJourney = require('../../parse/journey')
-const _parseJourneyLeg = require('../../parse/journey-leg')
-const _parseLine = require('../../parse/line')
-const _parseArrival = require('../../parse/arrival')
-const _parseDeparture = require('../../parse/departure')
-const _parseHint = require('../../parse/hint')
-const _parseLocation = require('../../parse/location')
-const _formatStation = require('../../format/station')
-const {bike} = require('../../format/filters')
+import {parseJourney as _parseJourney} from '../../parse/journey.js'
+import {parseJourneyLeg as _parseJourneyLeg} from '../../parse/journey-leg.js'
+import {parseLine as _parseLine} from '../../parse/line.js'
+import {parseArrival as _parseArrival} from '../../parse/arrival.js'
+import {parseDeparture as _parseDeparture} from '../../parse/departure.js'
+import {parseHint as _parseHint} from '../../parse/hint.js'
+import {parseLocation as _parseLocation} from '../../parse/location.js'
+import {formatStation as _formatStation} from '../../format/station.js'
+import {bike} from '../../format/filters.js'
 
-const products = require('./products')
 const baseProfile = require('./base.json')
-const formatLoyaltyCard = require('./loyalty-cards').format
-const {ageGroup, ageGroupFromAge} = require('./ageGroup')
+import {products} from './products.js'
+import {formatLoyaltyCard} from './loyalty-cards.js'
+import {ageGroup, ageGroupFromAge} from './ageGroup.js'
 
 const transformReqBody = (ctx, body) => {
 	const req = body.svcReqL[0] || {}
@@ -483,7 +486,7 @@ const formatStation = (id) => {
 
 // todo: find option for absolute number of results
 
-const dbProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'de-DE',
 	timezone: 'Europe/Berlin',
@@ -512,4 +515,6 @@ const dbProfile = {
 	lines: false, // `.svcResL[0].res.lineL[]` is missing 🤔
 }
 
-module.exports = dbProfile
+export {
+	profile,
+}

p/db/loyalty-cards.js

@@ -1,5 +1,3 @@
-'use strict'
-
 // todo: generate from https://reiseauskunft.bahn.de/addons/fachkonfig-utf8.cfg ?
 const c = {
 	NONE: Symbol('no loyalty card'),
@@ -25,7 +23,7 @@ const formatLoyaltyCard = (data) => {
 	return 0
 }
 
-module.exports = {
-	data: c,
-	format: formatLoyaltyCard
+export {
+	c as data,
+	formatLoyaltyCard,
 }

p/db/products.js

@@ -1,7 +1,5 @@
-'use strict'
-
 // todo: https://gist.github.com/anonymous/d3323a5d2d6e159ed42b12afd0380434#file-haf_products-properties-L1-L95
-module.exports = [
+const products = [
 	{
 		id: 'nationalExpress',
 		mode: 'train',
@@ -83,3 +81,7 @@ module.exports = [
 		default: true
 	}
 ]
+
+export {
+	products,
+}

p/db/readme.md

@@ -5,8 +5,8 @@
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const dbProfile = require('hafas-client/p/db')
+import {createClient} from 'hafas-client'
+import {dbProfile} from 'hafas-client/p/db/index.js'
 
 // create a client with DB profile
 const client = createClient(dbProfile, 'my-awesome-program')
@@ -74,7 +74,7 @@ With the `db` profile, `hafas-client` will return more station information whene
 ## Using the `loyaltyCard` option
 
 ```js
-const {data: loyaltyCards} = require('hafas-client/p/db/loyalty-cards')
+import {data as loyaltyCards} from 'hafas-client/p/db/loyalty-cards.js'
 
 hafas.journeys(from, to, {
 	loyaltyCard: {type: data.BAHNCARD, discount: 25}

p/hvv/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const hvvProfile = require('.')
-
-const client = createClient(hvvProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 // client.journeys('116', '5900', {results: 1, polylines: true})
 // client.departures('116', {duration: 1})
@@ -42,6 +41,6 @@ client.locations('dammtor', {results: 2})
 // 	return client.refreshJourney(journey.refreshToken, {stopovers: true, remarks: true})
 // })
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/hvv/index.js

@@ -1,9 +1,12 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
-const products = require('./products')
+import {products} from './products.js'
 
-const hvvProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'de-DE',
 	timezone: 'Europe/Berlin',
@@ -23,4 +26,6 @@ const hvvProfile = {
 	lines: false, // fails with `FAIL` "HCI Service: request failed"
 }
 
-module.exports = hvvProfile
+export {
+	profile,
+}

p/hvv/products.js

@@ -1,6 +1,4 @@
-'use strict'
-
-module.exports = [ // todo: what is `512`?
+const products = [ // todo: what is `512`?
 	{
 		id: 'subway',
 		mode: 'train',
@@ -90,3 +88,7 @@ module.exports = [ // todo: what is `512`?
 		default: false
 	}
 ]
+
+export {
+	products,
+}

p/hvv/readme.md

@@ -5,8 +5,8 @@
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const hvvProfile = require('hafas-client/p/hvv')
+import {createClient} from 'hafas-client'
+import {hvvProfile} from 'hafas-client/p/hvv/index.js'
 
 // create a client with HVV profile
 const client = createClient(hvvProfile, 'my-awesome-program')

p/insa/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const insaProfile = require('.')
-
-const client = createClient(insaProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 const hellestr1 = {
 	type: 'location',
@@ -41,6 +40,6 @@ client.journeys('008010226', '008013456', {results: 1})
 // })
 
 .then(data => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/insa/index.js

@@ -1,9 +1,12 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
-const products = require('./products')
+import {products} from './products.js'
 
-const insaProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'de-DE',
 	timezone: 'Europe/Berlin',
@@ -16,4 +19,6 @@ const insaProfile = {
 	reachableFrom: true,
 }
 
-module.exports = insaProfile;
+export {
+	profile,
+}

p/insa/products.js

@@ -1,6 +1,4 @@
-'use strict'
-
-module.exports = [
+const products = [
 	{
 		id: 'nationalExpress',
 		mode: 'train',
@@ -58,3 +56,7 @@ module.exports = [
 		default: true
 	}
 ]
+
+export {
+	products,
+}

p/insa/readme.md

@@ -5,8 +5,8 @@ The [Nahverkehr Sachsen-Anhalt (NASA)](https://de.wikipedia.org/wiki/Nahverkehrs
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const insaProfile = require('hafas-client/p/insa')
+import {createClient} from 'hafas-client'
+import {insaProfile} from 'hafas-client/p/insa/index.js'
 
 // create a client with INSA profile
 const client = createClient(insaProfile, 'my-awesome-program')

p/invg/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const cmtaProfile = require('.')
-
-const client = createClient(cmtaProfile, 'hafas-client-example')
+const client = createClient(profile, 'hafas-client-example')
 
 const ingolstadtHbf = '8000183'
 const audiParkplatz = '84999'
@@ -40,6 +39,6 @@ client.journeys(ingolstadtHbf, audiParkplatz, {results: 1})
 // todo: `reachableFrom` with `Ingolstadt, Tillystraße 1` 48.745769 | 11.432814
 
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/invg/index.js

@@ -1,9 +1,12 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
-const products = require('./products')
+import {products} from './products.js'
 
-const invgProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'de-DE',
 	timezone: 'Europe/Berlin',
@@ -16,4 +19,6 @@ const invgProfile = {
 	refreshJourney: true,
 }
 
-module.exports = invgProfile
+export {
+	profile,
+}

p/invg/products.js

@@ -1,6 +1,4 @@
-'use strict'
-
-module.exports = [
+const products = [
 	// https://github.com/public-transport/hafas-client/issues/93#issuecomment-437868265
 	{
 		id: 'bus',
@@ -67,3 +65,7 @@ module.exports = [
 		default: false
 	}
 ]
+
+export {
+	products,
+}

p/invg/readme.md

@@ -5,8 +5,8 @@
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const invgProfile = require('hafas-client/p/invg')
+import {createClient} from 'hafas-client'
+import {invgProfile} from 'hafas-client/p/invg/index.js'
 
 // create a client with INVG profile
 const client = createClient(invgProfile, 'my-awesome-program')

p/irish-rail/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const irishProfile = require('.')
-
-const client = createClient(irishProfile, 'hafas-client example')
+const client = createClient(profile, 'hafas-client example')
 
 // from Dublin to Belfast Central
 client.journeys('9909002', '9990840', {results: 1})
@@ -31,6 +30,6 @@ client.journeys('9909002', '9990840', {results: 1})
 // }, {results: 10})
 
 .then(data => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)

p/irish-rail/index.js

@@ -1,9 +1,12 @@
-'use strict'
+// todo: use import assertions once they're supported by Node.js & ESLint
+// https://github.com/tc39/proposal-import-assertions
+import {createRequire} from 'module'
+const require = createRequire(import.meta.url)
 
 const baseProfile = require('./base.json')
-const products = require('./products')
+import {products} from './products.js'
 
-const irishRailProfile = {
+const profile = {
 	...baseProfile,
 	locale: 'en-IE',
 	timezone: 'Europe/Dublin',
@@ -18,4 +21,6 @@ const irishRailProfile = {
 	radar: true,
 }
 
-module.exports = irishRailProfile;
+export {
+	profile,
+}

p/irish-rail/products.js

@@ -1,6 +1,4 @@
-'use strict'
-
-module.exports = [
+const products = [
 	{
 		id: 'national-train',
 		mode: 'train',
@@ -36,3 +34,7 @@ module.exports = [
 		default: true
 	}
 ]
+
+export {
+	products,
+}

p/irish-rail/readme.md

@@ -5,8 +5,8 @@ The [*Iarnród Éireann* (Irish Rail)](https://en.wikipedia.org/wiki/Iarnród_É
 ## Usage
 
 ```js
-const createClient = require('hafas-client')
-const irishProfile = require('hafas-client/p/irish-rail')
+import {createClient} from 'hafas-client'
+import {irishProfile} from 'hafas-client/p/irish-rail/index.js'
 
 // create a client with Irish Rail profile
 const client = createClient(irishProfile, 'my-awesome-program')

p/ivb/example.js

@@ -1,9 +1,8 @@
-'use strict'
+import {inspect} from 'util'
+import {createClient} from '../../index.js'
+import {profile} from './index.js'
 
-const createClient = require('../..')
-const ivbProfile = require('.')
-
-const client = createClient(ivbProfile, 'hafas-client example')
+const client = createClient(profile, 'hafas-client example')
 
 const innsbruckGriesauweg = '476162400'
 const völsWest = '476431800'
@@ -44,6 +43,6 @@ client.locations('griesauweg', {results: 3})
 // })
 
 .then((data) => {
-	console.log(require('util').inspect(data, {depth: null, colors: true}))
+	console.log(inspect(data, {depth: null, colors: true}))
 })
 .catch(console.error)