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import {makeAutoObservable} from 'mobx'
// import {XRPCError, XRPCInvalidResponseError} from '@atproto/xrpc' TODO
const MAX_ENTRIES = 300
interface LogEntry {
id: string
type?: string
summary?: string
details?: string
ts?: number
}
let _lastTs: string
let _lastId: string
function genId(): string {
let candidate = String(Date.now())
if (_lastTs === candidate) {
const id = _lastId + 'x'
_lastId = id
return id
}
_lastTs = candidate
_lastId = candidate
return candidate
}
export class LogModel {
entries: LogEntry[] = []
timers = new Map<string, number>()
constructor() {
makeAutoObservable(this)
}
add(entry: LogEntry) {
this.entries.push(entry)
while (this.entries.length > MAX_ENTRIES) {
this.entries = this.entries.slice(50)
}
}
debug(summary: string, details?: any) {
details = detailsToStr(details)
console.debug(summary, details || '')
this.add({
id: genId(),
type: 'debug',
summary,
details,
ts: Date.now(),
})
}
warn(summary: string, details?: any) {
details = detailsToStr(details)
console.debug(summary, details || '')
this.add({
id: genId(),
type: 'warn',
summary,
details,
ts: Date.now(),
})
}
error(summary: string, details?: any) {
details = detailsToStr(details)
console.debug(summary, details || '')
this.add({
id: genId(),
type: 'error',
summary,
details,
ts: Date.now(),
})
}
time = (label = 'default') => {
this.timers.set(label, performance.now())
}
timeEnd = (label = 'default', warn = false) => {
const endTime = performance.now()
if (this.timers.has(label)) {
const elapsedTime = endTime - this.timers.get(label)!
console.log(`${label}: ${elapsedTime.toFixed(3)}ms`)
this.timers.delete(label)
} else {
warn && console.warn(`Timer with label '${label}' does not exist.`)
}
}
}
function detailsToStr(details?: any) {
if (details && typeof details !== 'string') {
if (
// details instanceof XRPCInvalidResponseError || TODO
details.constructor.name === 'XRPCInvalidResponseError'
) {
return `The server gave an ill-formatted response.\nMethod: ${
details.lexiconNsid
}.\nError: ${details.validationError.toString()}`
} else if (
// details instanceof XRPCError || TODO
details.constructor.name === 'XRPCError'
) {
return `An XRPC error occurred.\nStatus: ${details.status}\nError: ${details.error}\nMessage: ${details.message}`
} else if (details instanceof Error) {
return details.toString()
}
return JSON.stringify(details, null, 2)
}
return details
}
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