使用Redis类型时的类型错误
使用Redis类型时的类型错误
提问于 2022-03-19 06:06:51
嗨，我试着在打字稿上使用redis，但是这段代码总是给我这个错误。我安装了"redis"："^4.0.4"，“@type/redis”："^4.0.11“。我该如何解决这个问题？
const idUser: string
Argument of type '[string, (err: any, data: any) => void]' is not assignable to parameter of type '[key: RedisCommandArgument] | [options: CommandOptions<ClientCommandOptions>, key: RedisCommandArgument]'.
Type '[string, (err: any, data: any) => void]' is not assignable to type '[options: CommandOptions<ClientCommandOptions>, key: RedisCommandArgument]'.
Type at position 0 in source is not compatible with type at position 0 in target.
Type 'string' is not assignable to type 'CommandOptions<ClientCommandOptions>'.
Type 'string' is not assignable to type '{ readonly [symbol]: true; }'.redis.ts
import { Response, Request, NextFunction } from "express";
import * as redis from "redis";
import { RedisClientOptions } from "redis";
const redisClient = redis.createClient({
url: "127.0.0.1:6379",
legacyMode: true,
});
const isCached = (req: Request, res: Response, next: NextFunction) => {
const { idUser } = req.params;
// getting our data by key (id)
redisClient.get(idUser, (err, data) => {
if (err) {
res.status(500).send(err);
}
if (data != null) {
console.log("we Found it in Redis ");
res.send(data);
} else {
console.log("User Not Found ");
// go To ⏭️ function or middleware
next();
}
});
};
export default isCached;回答 1
Stack Overflow用户
发布于 2022-03-19 06:32:01
您正在向方法redisClient.get传递2个参数，该方法只接受以下类型的一个参数：
'key: RedisCommandArgument options: CommandOptions，key: RedisCommandArgument‘
基于Node文档，get方法似乎返回了一个承诺，因此我认为您的代码应该如下所示：
const data = await redisClient
.get(idUser)
.catch((err) => res.status(500).send(err));
if (data != null) {
console.log("we Found it in Redis ");
res.send(data);
} else {
console.log("User Not Found ");
// go To ⏭️ function or middleware
next();
}页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：
https://stackoverflow.com/questions/71538821
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