Answer1215

摘要： // Before declare function useState<T>(status: T[]): T; const loadingStatus = useState(["loading", "idle"]) // string type // after declare function u 阅读全文

摘要： const routes = { user: ["get-user", "get-all-users"], comment: ["get-comment", "get-all-comments"] } as const type Routes = typeof routes type Possibl 阅读全文

摘要： Overrides A common mistake, that has historically been difficult for TypeScript to assist with is typos when overriding a class method class Car { hon 阅读全文

摘要： JS private field #serialNumbercannot be accessed outside class. But within class, it is accessible. JS private field can also be used to check class i 阅读全文

摘要： In recent Typescript, it is possible to define static block class Car { static nextSerialNumber = 100 static isReady = false static { // this is the s 阅读全文

摘要： Sometimes we have a free-standing function that has a strong opinion around what this will end up being, at the time it is invoked. For example, if we 阅读全文

摘要： interface UnionBuilder<T = never> { add: <NewValue>() => UnionBuilder<T | NewValue>, fold: () => T } declare const u: UnionBuilder; const result = u . 阅读全文

摘要： type NestedNumber = number | NestedNumber[] 阅读全文

摘要： https://github.com/sharkdp/hyperfine hyperfine --runs 5 "CMD_1" "CMD_2" So it will run 5 times and compare CMD_1 vs CMD_2with a nice result summary 阅读全文

摘要： #!/bin/bash # url will be a param been passed in url=$1 curl -X POST http://localhost:3000/endpoint -d "{\"payload\":\"$url\"}" -H "content-type: appl 阅读全文