0.3.1 • Published 17 days ago
@lx-frontend/grpc-shared v0.3.1
@lx-frontend/grpc-shared
grpc 相关工具函数
Description
- object2Request 把 js 对象转换成 grpc request 实例。支持多层对象
Usage
import { GreeterPromiseClient } from './dist/helloworld_grpc_web_pb';
import { HelloRequest, UserInfo, Store } from './dist/helloworld_pb';
import { object2Request } from '@lx-frontend/grpc-shared';
const client = new GreeterPromiseClient('http://localhost:50051')
const helloRequest2 = object2Request(HelloRequest, {
name: "123",
userinfo: {
id: 123,
name: 'mind',
age: 20,
store: {
sid: 12,
sname: 'sname'
}
}
}, {
userinfo: UserInfo,
store: Store,
})
client.sayHello(helloRequest2, {}).then((res) => {
const result = res.toObject()
console.log('result', result)
})
filter Query 构建
用与生成后台 gprc filter 参数构建,可以用来控制后台 grpc 服务返回字段,按需使用。
使用说明:
1. 为了简化使用,Filter 函数的值,需要来自于 Eq, Gte, Gt, Has, Lt, Lte, Ne
这些函数的返回值。
2. 更多使用方式,可以查看 测试用例
简单示例代码
import { NewQuery, Eq, Gte, Gt, Has, Lt, Lte, Ne } from "./lib";
async function demo() {
const query = NewQuery()
.Filter(Eq('name', "李四"))
.Filter(Gte('age', 1))
.Filter(Gt('id', 2))
.Filter(Has('ddd', "123"))
.Filter(Lt('pw', 123))
.Filter(Lte('lll', [222, 33]))
.Filter(Ne('neKey', "www"))
const filterStr = query.String()
console.log(filterStr) // name = "李四" AND age >= 1 AND id > 2 AND ddd:"123" AND pw < 123 AND lll <= (222, 33) AND neKey != www
// 传递给后台,过滤参数。
const res = await client.GetCarModelRequest({
Name: "123",
Filter: filterStr,
})
}
sort 构建
构建 sort 字符串
import { SortBy } from "./lib";
// 可以是单个参数,也可以是多个参数
const sort = SortBy({Field: 'timestamp', Direction: "asc"}, {Field: "id", Direction: "desc"})
const sortStr = sort.String() // timestamp asc, id desc
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