db-vendo-client/parse/hint.js
Jannis R 339d64e901
convert to ESM 💥📝
2022-11-18 19:20:03 +01:00

113 lines
2.5 KiB
JavaScript

const codesByIcon = Object.assign(Object.create(null), {
cancel: 'cancelled',
himWarn: 'disturbance',
})
const linkTypesByCode = Object.assign(Object.create(null), {
BB: 'stop-website',
// IFOPT-based DHID
// https://wiki.openstreetmap.org/wiki/DE:Key:ref:IFOPT
// https://trid.trb.org/view/1435440
IF: 'stop-dhid',
OZ: 'transit-authority',
// todo: `{type: 'I',code: 'TD',icoX: 1,txtN: '8010224'}`
// todo: `{type: 'I',code: 'TE',icoX: 1,txtN: '8024001'}`
})
// todo: pass in tag list from hint reference, e.g.:
// "tagL": [
// "RES_JNY_H3" // H3 = level 3 heading? shown on overview
// ]
// "tagL": [
// "RES_JNY_DTL" // only shown in journey detail
// ]
// todo: https://github.com/public-transport/hafas-client/issues/5
// todo: expose h.type somehow
// todo: https://github.com/KDE/kpublictransport/blob/39ac8f9586b9300fa8a9ba0dec010e96fab9ab08/src/lib/backends/hafasmgateparser.cpp#L56-L72
// todo: h.sty
// SNCB:
// {
// "type": "A",
// "code": "60",
// "prio": 10,
// "icoX": 2,
// "txtN": "Reservierungspflicht"
// }
// {
// "type": "A",
// "code": "64",
// "prio": 110,
// "icoX": 2,
// "txtN": "Zuschlag"
// }
// {
// "type": "I",
// "code": "CON_OVERVIEW_TARIF_HINT",
// "icoX": 2,
// "txtN": "Für diese Strecke ist ein internationales Ticket notwendig."
// }
const parseHint = (ctx, h) => {
// todo: C
if (h.type === 'I' && h.code && h.txtN) {
if (h.code in linkTypesByCode) {
const text = h.txtN === 'NULL' ? null : h.txtN
return {type: linkTypesByCode[h.code], text}
}
if (h.code === 'TW' && h.txtN[0] === '$') {
return {type: 'local-fare-zone', text: h.txtN.slice(1)}
}
if (h.code === 'TW' && h.txtN[0] === '#') {
return {type: 'foreign-id', text: h.txtN.slice(1)}
}
}
const text = h.txtN && h.txtN.trim() || ''
const icon = h.icon || null
const code = h.code || (icon && icon.type && codesByIcon[icon.type]) || null
if (h.type === 'M') {
return {
type: 'status',
summary: h.txtS && h.txtS.trim() || '',
code,
text
}
}
if (h.type === 'L') {
return {
type: 'status',
code: 'alternative-trip',
text,
tripId: h.jid
}
}
if (h.type === 'A' || h.type === 'I') {
return {
type: 'hint',
code,
text
}
}
if (
h.type === 'D' || h.type === 'U' || h.type === 'R' || h.type === 'N' ||
h.type === 'Y' || h.type === 'Q' || h.type === 'P'
) {
// todo: how can we identify the individual types?
// todo: does `D` mean "disturbance"?
return {
type: 'status',
code,
text
}
}
return null
}
export {
parseHint,
}