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bug-tracker.js
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bug-tracker.js
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import { Meteor } from 'meteor'
import { Mongo } from 'meteor/mongo'
import { check, Match } from 'meteor/check'
import { SHA256 } from 'meteor/sha'
const _collections = {}
const _constructors = {}
// ///////////////////////////////////////////////////////
//
// INTERNAL
//
// ///////////////////////////////////////////////////////
function namePattern (name) {
return `BT${name}Errors`
}
function registerCollection (name) {
check(name, String)
const collectionName = namePattern(name)
_collections[ name ] = new Mongo.Collection(collectionName)
return collectionName
}
function registerConstructor (name, Constructor) {
if (_constructors[ name ]) {
throw new Error(`Constructor ${name} already registered.`)
}
_constructors[ name ] = Constructor
}
function _track (error, { isClient, createdBy, timeStamp }) {
const name = error.constructor.name
const collection = collection(namePattern(name))
if (!collection) {
throw new Error(`no collection found by constructor [${name}]`)
}
const { message } = error
const { stack } = error.stack
const hash = SHA256(JSON.stringify({ message, stack }))
const timeStamp = new Date()
const entry = { timeStamp }
if (createdBy) {
entry.createdBy = createdBy
}
const existingDoc = collection.findOne({ hash })
if (existingDoc) {
return collection.update(existingDoc._id, { $push: { entries: entry } })
} else {
return collection.insert({
message,
stack,
hash,
entries: [ entry ]
})
}
}
// ///////////////////////////////////////////////////////
//
// PUBLIC
//
// ///////////////////////////////////////////////////////
function register (Constructor) {
check(Constructor, Function)
check(Constructor.name, String)
const name = Constructor.name
registerConstructor(name, Constructor)
return registerCollection(name)
}
function isRegistered (error) {
const Constructor = _constructors[ error.constructor.name ]
return (Constructor === error.constructor)
}
function collection (name) {
check(name, String)
const collectionName = namePattern(name)
return _collections[ collectionName ]
}
function allCollections () {
return Object.values(_collections)
}
function track (error, { isClient = false, createdBy, timeStamp = new Date() }) {
check(error, Match.Where(isDefined))
check(isClient, Boolean)
check(createdBy, Match.Maybe(String))
check(timeStamp, Date)
if (isRegistered(error)) {
_track(error, { isClient, createdBy, timeStamp })
} else {
throw new Error(`Unknown Error type [${error.constructor.name}]`)
}
}
// ///////////////////////////////////////////////////////
//
// BOOTSTRAP DEFAULTS AND EXPORT
//
// ///////////////////////////////////////////////////////
export const Defaults = [
global.Error,
global.RangeError,
global.ReferenceError,
global.SyntaxError,
global.TypeError,
global.URIError,
Meteor.ERROR
]
const BugTracker = {
register,
isRegistered,
collection,
allCollections,
track
}
export { BugTracker as default }