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refactor(gateway): use switch-case to avoid repetitive code

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This commit is contained in:
ayntee 2020-12-25 20:13:06 +04:00
parent 3695b81de6
commit f9e07f4f43
1 changed files with 50 additions and 44 deletions
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34
src/gateway/index.ts
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@ -182,41 +182,46 @@ export class Gateway extends EventEmitter {
this.emit('close', event.code, event.reason)
this.debug(`Connection Closed with code: ${event.code}`)
if (event.code === GatewayCloseCodes.UNKNOWN_ERROR) {
switch (event.code) {
case GatewayCloseCodes.UNKNOWN_ERROR:
this.debug('API has encountered Unknown Error. Reconnecting...')
// eslint-disable-next-line @typescript-eslint/no-floating-promises
this.reconnect()
} else if (event.code === GatewayCloseCodes.UNKNOWN_OPCODE) {
break
case GatewayCloseCodes.UNKNOWN_OPCODE:
throw new Error("Unknown OP Code was sent. This shouldn't happen!")
} else if (event.code === GatewayCloseCodes.DECODE_ERROR) {
case GatewayCloseCodes.DECODE_ERROR:
throw new Error("Invalid Payload was sent. This shouldn't happen!")
} else if (event.code === GatewayCloseCodes.NOT_AUTHENTICATED) {
case GatewayCloseCodes.NOT_AUTHENTICATED:
throw new Error('Not Authorized: Payload was sent before Identifying.')
} else if (event.code === GatewayCloseCodes.AUTHENTICATION_FAILED) {
case GatewayCloseCodes.AUTHENTICATION_FAILED:
throw new Error('Invalid Token provided!')
} else if (event.code === GatewayCloseCodes.INVALID_SEQ) {
case GatewayCloseCodes.INVALID_SEQ:
this.debug('Invalid Seq was sent. Reconnecting.')
// eslint-disable-next-line @typescript-eslint/no-floating-promises
this.reconnect()
} else if (event.code === GatewayCloseCodes.RATE_LIMITED) {
break
case GatewayCloseCodes.RATE_LIMITED:
throw new Error("You're ratelimited. Calm down.")
} else if (event.code === GatewayCloseCodes.SESSION_TIMED_OUT) {
case GatewayCloseCodes.SESSION_TIMED_OUT:
this.debug('Session Timeout. Reconnecting.')
// eslint-disable-next-line @typescript-eslint/no-floating-promises
this.reconnect(true)
} else if (event.code === GatewayCloseCodes.INVALID_SHARD) {
break
case GatewayCloseCodes.INVALID_SHARD:
this.debug('Invalid Shard was sent. Reconnecting.')
// eslint-disable-next-line @typescript-eslint/no-floating-promises
this.reconnect()
} else if (event.code === GatewayCloseCodes.SHARDING_REQUIRED) {
break
case GatewayCloseCodes.SHARDING_REQUIRED:
throw new Error("Couldn't connect. Sharding is required!")
} else if (event.code === GatewayCloseCodes.INVALID_API_VERSION) {
case GatewayCloseCodes.INVALID_API_VERSION:
throw new Error("Invalid API Version was used. This shouldn't happen!")
} else if (event.code === GatewayCloseCodes.INVALID_INTENTS) {
case GatewayCloseCodes.INVALID_INTENTS:
throw new Error('Invalid Intents')
} else if (event.code === GatewayCloseCodes.DISALLOWED_INTENTS) {
case GatewayCloseCodes.DISALLOWED_INTENTS:
throw new Error("Given Intents aren't allowed")
} else {
default:
this.debug(
'Unknown Close code, probably connection error. Reconnecting in 5s.'
)
@ -226,6 +231,7 @@ export class Gateway extends EventEmitter {
}
await delay(5000)
await this.reconnect(true)
break
}
}