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Rework event dispatchers

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Cadence Ember 2025-03-13 17:15:40 +13:00
commit 4cb99feeb2
3 changed files with 105 additions and 151 deletions
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109
src/m2d/event-dispatcher.js
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@ -42,7 +42,7 @@ function stringifyErrorStack(err, depth = 0) {
}
// add full stack trace if one exists, otherwise convert to string
let stackLines = ( err?.stack ?? `${err}` ).replace(/^/gm, " ".repeat(depth)).trim().split("\n")
let stackLines = String(err?.stack ?? err).replace(/^/gm, " ".repeat(depth)).trim().split("\n")
let cloudstormLine = stackLines.findIndex(l => l.includes("/node_modules/cloudstorm/"))
if (cloudstormLine !== -1) {
stackLines = stackLines.slice(0, cloudstormLine - 2)
@ -80,56 +80,72 @@ function stringifyErrorStack(err, depth = 0) {
return collapsed;
}
/**
* @param {string} roomID
* @param {"Discord" | "Matrix"} source
* @param {any} type
* @param {any} e
* @param {any} payload
*/
async function sendError(roomID, source, type, e, payload) {
console.error(`Error while processing a ${type} ${source} event:`)
console.error(e)
console.dir(payload, {depth: null})
if (Date.now() - lastReportedEvent < 5000) return null
lastReportedEvent = Date.now()
let errorIntroLine = e.toString()
if (e.cause) {
errorIntroLine += ` (cause: ${e.cause})`
}
const builder = new utils.MatrixStringBuilder()
const cloudflareErrorTitle = errorIntroLine.match(/<!DOCTYPE html>.*?<title>discord\.com \| ([^<]*)<\/title>/s)?.[1]
if (cloudflareErrorTitle) {
builder.addLine(
`\u26a0 Matrix event not delivered to Discord. Discord might be down right now. Cloudflare error: ${cloudflareErrorTitle}`,
`\u26a0 <strong>Matrix event not delivered to Discord</strong><br>Discord might be down right now. Cloudflare error: ${cloudflareErrorTitle}`
)
} else {
// What
const what = source === "Discord" ? "Bridged event from Discord not delivered" : "Matrix event not delivered to Discord"
builder.addLine(`\u26a0 ${what}`, `\u26a0 <strong>${what}</strong>`)
// Who
builder.addLine(`Event type: ${type}`)
// Why
builder.addLine(errorIntroLine)
// Where
const stack = stringifyErrorStack(e)
builder.addLine(`Error trace:\n${stack}`, `<details><summary>Error trace</summary><pre>${stack}</pre></details>`)
// How
builder.addLine("", `<details><summary>Original payload</summary><pre>${util.inspect(payload, false, 4, false)}</pre></details>`)
}
// Send
await api.sendEvent(roomID, "m.room.message", {
...builder.get(),
"moe.cadence.ooye.error": {
source: source.toLowerCase(),
payload
},
"m.mentions": {
user_ids: ["@cadence:cadence.moe"]
}
})
}
function guard(type, fn) {
return async function(event, ...args) {
try {
return await fn(event, ...args)
} catch (e) {
console.error(`Exception while processing a ${type} Matrix event:`)
console.dir(event, {depth: null})
if (Date.now() - lastReportedEvent < 5000) return
lastReportedEvent = Date.now()
let errorIntroLine = e.toString()
if (e.cause) {
errorIntroLine += ` (cause: ${e.cause})`
}
const cloudflareErrorTitle = errorIntroLine.match(/<!DOCTYPE html>.*?<title>discord\.com \| ([^<]*)<\/title>/s)?.[1]
if (cloudflareErrorTitle) {
return api.sendEvent(event.room_id, "m.room.message", {
msgtype: "m.text",
body: `\u26a0 Matrix event not delivered to Discord. Cloudflare error: ${cloudflareErrorTitle}.`,
format: "org.matrix.custom.html",
formatted_body: `\u26a0 <strong>Matrix event not delivered to Discord</strong><br>Cloudflare error: ${cloudflareErrorTitle}`,
"moe.cadence.ooye.error": {
source: "matrix",
payload: event
}
})
}
const stack = stringifyErrorStack(e)
api.sendEvent(event.room_id, "m.room.message", {
msgtype: "m.text",
body: "\u26a0 Matrix event not delivered to Discord. See formatted content for full details.",
format: "org.matrix.custom.html",
formatted_body: "\u26a0 <strong>Matrix event not delivered to Discord</strong>"
+ `<br>Event type: ${type}`
+ `<br>${errorIntroLine}`
+ `<br><details><summary>Error trace</summary>`
+ `<pre>${stack}</pre></details>`
+ `<details><summary>Original payload</summary>`
+ `<pre>${util.inspect(event, false, 4, false)}</pre></details>`,
"moe.cadence.ooye.error": {
source: "matrix",
payload: event
},
"m.mentions": {
user_ids: ["@cadence:cadence.moe"]
}
})
await sendError(event.room_id, "Matrix", type, e, event)
}
}
}
@ -356,3 +372,4 @@ async event => {
}))
module.exports.stringifyErrorStack = stringifyErrorStack
module.exports.sendError = sendError