map(x => x * 2); // Output: // 2 // 4 // 6 // 8 // 10 for (const value of evenNumbers.take(5)) { console.log(value); } The same is true for methods like keys(), values(), and entries() on Maps and Sets. Copy function invertKeysAndValues<K, V>(map: Map<K, ...
As I type a number into an input, I aim to utilize regex for formatting it. However, I'm facing a problem where the number is only formatted if the string matches the regex because I'm using groups for formatting. For instance, the full number is12312312312and the formatted one would b...
TypeScript may still perform as much type-checking as possible to generate.d.tsfiles. In this sense,--noCheckis a bit of a misnomer; however the process will be lazier than a full type-check, only calculating the types of unannotated declarations. This should be much faster than ...
numbers.js | |—— no-magic-numbers.js.map | |—— no-meaningless-void-operator.js | |—— no-meaningless-void-operator.js.map | |—— no-misused-new.js | |—— no-misused-new.js.map | |—— no-misused-promises.js | |—— no-misused-promises.js.map | |—— no-mixed-enum...
regex(/^[a-z]+$/), () => 'single word') .otherwise(() => 'other strings'); console.log(fn('gabriel')); // logs 'single word' P.number and P.bigint predicates P.number and P.bigint have several of methods to help you match on specific numbers and bigints. P.number....
如果未指定允许值的列表, 则默认情况下允许-1、0和1 => 乱七八糟的数字会让人混淆 // "no-magic-numbers": [true], // 不允许使用内部 'modules' 和 'namespace' "no-namespace": true, // 非空断言,强制使用 == null 之类的断言 // "no-non-null-assertion": true // 禁止 /// <...
Maybe you’ve written a regex and forgotten to call.test(...)on it: Copy if(/0x[0-9a-f]/) {// Oops! This block always runs.// ...} or maybe you’ve accidentally written=>(which creates an arrow function) instead of>=(the greater-than-or-equal-to operator): ...
let regex: RegExp = new RegExp('bc*d'); 1. 需要显式标注对象字面量的类型 规则:arkts-no-untyped-obj-literals 级别:错误 在ArkTS中,需要显式标注对象字面量的类型,否则,将发生编译时错误。在某些场景下,编译器可以根据上下文推断出字面量的类型。 在以下上下文中不支持使用字面量初始化类和接口: ...
The fact that ES5 only defines six data types may surprise you since you’ve probably used a lot of other types such as Date, Regex, etc., but those are all just different kinds of objects. But, perhaps the most important object types are functions and arrays. Functions Functions are ...
也完全不会产生歧义或理解上的困难 'no-div-regex': 0, // 函数参数禁止重名 'no-dupe-args': 2, // 禁止对象出现重名键值 'no-dupe-keys': 2, // 类方法禁止重名 'no-dupe-class-members': 2, // 禁止 switch 中出现相同的 case 'no-duplicate-case': 2, // 禁止重复 import 'no-duplicate...