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Update to Knub 28, improve debugger-friendliness

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Development npm scripts now also listen for debuggers:
- Port 9229 for the bot
- Port 9239 for the api

Via Knub 28, PluginErrors are no longer used in development, which
helps with call stacks in debuggers (see Knub changelog).

Unhandled promise rejections are now treated as exceptions via nodejs
flag --unhandled-rejections=strict, which allows catching them with
a debugger.

The internal "error-tolerant" error handler is now only used in
production; in development, all unhandled errors cause the bot to
crash and are easily catchable by debuggers.
This commit is contained in:
Dragory 2020-01-12 10:28:38 +02:00
parent 7de4be0b44
commit 59a927ba93
3 changed files with 31 additions and 30 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

6
backend/package-lock.json generated
View file

@ -2776,9 +2776,9 @@
}
},
"knub": {
"version": "27.0.0",
"resolved": "https://registry.npmjs.org/knub/-/knub-27.0.0.tgz",
"integrity": "sha512-iA332KoD2LN4R6c24HFGxQc8QH2GwG5Az97Rie5eqT5KFiWV/f5UJ8EfWhIJ/bOmMHubtJ4j+tEdQIBidC+WxA==",
"version": "28.0.0",
"resolved": "https://registry.npmjs.org/knub/-/knub-28.0.0.tgz",
"integrity": "sha512-dhLjlQP32AbkXoD0tUFrqa8/Emh/U5lvYXNCz+bIWiAlzYr1cQKRuh9qNjAL944sCWmtfhKXVMXRFS99P6M7qw==",
"requires": {
"escape-string-regexp": "^2.0.0",
"knub-command-manager": "^7.0.0",

10
backend/package.json
View file

@ -6,10 +6,10 @@
"scripts": {
"watch": "cross-env NODE_ENV=development tsc-watch --onSuccess \"node start-dev.js\"",
"build": "rimraf dist && tsc",
"start-bot-dev": "cross-env NODE_ENV=development node -r source-map-support/register -r ./register-tsconfig-paths.js dist/backend/src/index.js",
"start-bot-prod": "cross-env NODE_ENV=production node -r ./register-tsconfig-paths.js dist/backend/src/index.js",
"start-api-dev": "cross-env NODE_ENV=development node -r source-map-support/register -r ./register-tsconfig-paths.js dist/backend/src/api/index.js",
"start-api-prod": "cross-env NODE_ENV=production node -r ./register-tsconfig-paths.js dist/backend/src/api/index.js",
"start-bot-dev": "cross-env NODE_ENV=development node -r ./register-tsconfig-paths.js --unhandled-rejections=strict --inspect=127.0.0.1:9229 dist/backend/src/index.js",
"start-bot-prod": "cross-env NODE_ENV=production node -r ./register-tsconfig-paths.js --unhandled-rejections=strict dist/backend/src/index.js",
"start-api-dev": "cross-env NODE_ENV=development node -r ./register-tsconfig-paths.js --unhandled-rejections=strict --inspect=127.0.0.1:9239 dist/backend/src/api/index.js",
"start-api-prod": "cross-env NODE_ENV=production node -r ./register-tsconfig-paths.js --unhandled-rejections=strict dist/backend/src/api/index.js",
"typeorm": "node -r ./register-tsconfig-paths.js ./node_modules/typeorm/cli.js",
"migrate-prod": "npm run typeorm -- migration:run",
"migrate-dev": "npm run build && npm run typeorm -- migration:run",
@ -32,7 +32,7 @@
"humanize-duration": "^3.15.0",
"io-ts": "^2.0.0",
"js-yaml": "^3.13.1",
"knub": "^27.0.0",
"knub": "^28.0.0",
"knub-command-manager": "^7.0.0",
"last-commit-log": "^2.1.0",
"lodash.chunk": "^4.2.0",

9
backend/src/index.ts
View file

@ -24,7 +24,8 @@ const RECENT_DISCORD_ERROR_EXIT_THRESHOLD = 5;
setInterval(() => (recentPluginErrors = Math.max(0, recentPluginErrors - 1)), 2500);
setInterval(() => (recentDiscordErrors = Math.max(0, recentDiscordErrors - 1)), 2500);
function errorHandler(err) {
if (process.env.NODE_ENV === "production") {
const errorHandler = err => {
// tslint:disable:no-console
console.error(err);
@ -46,10 +47,10 @@ function errorHandler(err) {
process.exit(1);
}
// tslint:enable:no-console
}
};
process.on("unhandledRejection", errorHandler);
process.on("uncaughtException", errorHandler);
process.on("uncaughtException", errorHandler);
}
// Verify required Node.js version
const REQUIRED_NODE_VERSION = "10.14.2";