[英]Property does not exist on type when it exists
I have this class我有这个 class
import Redis = require('ioredis')
import { Mutex } from 'redis-semaphore'
const LOCKED_STREAM_IDS_REDIS_KEY = 'ghost_stream_merger_locked_stream_ids'
const NOT_FULL_STREAM_IDS_REDIS_KEY = 'ghost_stream_merger_not_full_stream_ids'
const MUTEX_NAME = 'ghost_stream_merger'
export interface IRedisCache {
redisClient : any
mutex : Mutex
getLockedStreamIds() : Promise<string[]>
addLockedStreamIds(streamIds : string[]) : Promise<number>
removeLockedStreamIds(streamIds : string[]) : Promise<number>
deleteLockedStreamIds() : Promise<number>
getNotFullStreamIds() : Promise<string[]>
addNotFullStreamIds(streamIds : string[]) : Promise<number>
removeNotFullStreamIds(streamIds : string[]) : Promise<number>
deleteNotFullStreamIds() : Promise<number>
}
export default class RedisCache implements IRedisCache {
redisClient : any
mutex : Mutex
constructor(redisConfig : any) {
this.redisClient = new Redis(redisConfig)
this.mutex = new Mutex(this.redisClient, MUTEX_NAME)
}
async getLockedStreamIds() {
return (await this.redisClient.smembers(LOCKED_STREAM_IDS_REDIS_KEY)) || []
}
async addLockedStreamIds(streamIds : string[]) {
return this.redisClient.sadd(LOCKED_STREAM_IDS_REDIS_KEY, streamIds)
}
async removeLockedStreamIds(streamIds : string[]) {
return this.redisClient.srem(LOCKED_STREAM_IDS_REDIS_KEY, streamIds)
}
async deleteLockedStreamIds() {
return this.redisClient.del(LOCKED_STREAM_IDS_REDIS_KEY)
}
async getNotFullStreamIds() {
return (await this.redisClient.smembers(NOT_FULL_STREAM_IDS_REDIS_KEY)) || []
}
async addNotFullStreamIds(streamIds : string[]) {
return this.redisClient.sadd(NOT_FULL_STREAM_IDS_REDIS_KEY, streamIds)
}
async removeNotFullStreamIds(streamIds : string[]) {
return this.redisClient.srem(NOT_FULL_STREAM_IDS_REDIS_KEY, streamIds)
}
async deleteNotFullStreamIds() {
return this.redisClient.del(NOT_FULL_STREAM_IDS_REDIS_KEY)
}
}
and when i trying to import it, i get this errors:当我尝试导入它时,出现以下错误:
TSError: ⨯ Unable to compile TypeScript:
src/lib/cache.ts:10:14 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
10 this.redisClient = new Redis(redisConfig);
~~~~~~~~~~~
src/lib/cache.ts:11:14 - error TS2339: Property 'mutex' does not exist on type 'RedisCache'.
11 this.mutex = new redis_semaphore_1.Mutex(this.redisClient, MUTEX_NAME);
~~~~~
src/lib/cache.ts:11:55 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
11 this.mutex = new redis_semaphore_1.Mutex(this.redisClient, MUTEX_NAME);
~~~~~~~~~~~
src/lib/cache.ts:14:28 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
14 return (await this.redisClient.smembers(LOCKED_STREAM_IDS_REDIS_KEY)) || [];
~~~~~~~~~~~
src/lib/cache.ts:17:21 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
17 return this.redisClient.sadd(LOCKED_STREAM_IDS_REDIS_KEY, streamIds);
~~~~~~~~~~~
src/lib/cache.ts:20:21 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
20 return this.redisClient.srem(LOCKED_STREAM_IDS_REDIS_KEY, streamIds);
~~~~~~~~~~~
src/lib/cache.ts:23:21 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
23 return this.redisClient.del(LOCKED_STREAM_IDS_REDIS_KEY);
~~~~~~~~~~~
src/lib/cache.ts:26:28 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
26 return (await this.redisClient.smembers(NOT_FULL_STREAM_IDS_REDIS_KEY)) || [];
~~~~~~~~~~~
src/lib/cache.ts:29:21 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
29 return this.redisClient.sadd(NOT_FULL_STREAM_IDS_REDIS_KEY, streamIds);
~~~~~~~~~~~
src/lib/cache.ts:32:21 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
32 return this.redisClient.srem(NOT_FULL_STREAM_IDS_REDIS_KEY, streamIds);
~~~~~~~~~~~
src/lib/cache.ts:35:21 - error TS2339: Property 'redisClient' does not exist on type 'RedisCache'.
35 return this.redisClient.del(NOT_FULL_STREAM_IDS_REDIS_KEY);
~~~~~~~~~~~
It's very confusing because there is clearly exists redisClient property in RedisCache class.这很令人困惑,因为 RedisCache class 中显然存在 redisClient 属性。 I have tried everything: commenting libraries, comment line by line, changing settings in tsconfig, nothing helps.我已经尝试了一切:评论库,逐行评论,更改 tsconfig 中的设置,没有任何帮助。 Thanks for helping in advance:^)感谢您提前提供帮助:^)
Apparently, there can only be one export when using default keyword.显然,使用默认关键字时只能有一个导出。 https://stackoverflow.com/a/33307487/10092973 https://stackoverflow.com/a/33307487/10092973
Try removing default when exporting RedisCache, this could solve your issue!尝试在导出 RedisCache 时删除默认值,这可以解决您的问题!
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