angular - 属性 'replaceAll' 在类型 'string' 上不存在

Question

我想用replaceAll在 typescript 和 Angular 10。
但我收到此错误:类型“字符串”上不存在属性“replaceAll” .
这是我的代码:

let date="1399/06/08"
console.log(date.replaceAll('/', '_'))

输出:13990608
如何修复我的 typescript 以显示此功能？

Answer 1

您应该能够通过您的 tsconfig.json 添加这些类型。 .
添加 "ESNext.String"至 lib内compilerOptions .
您的 tsconfig 应该如下所示:

{
    ...,
    "compilerOptions": {
        ...,
        "lib": [
          ...,
          "ESNext.String"
        ]
    }
}

replaceAll方法在 lib.esnext.string.d.ts 中定义如下:

interface String {
    /**
     * Replace all instances of a substring in a string, using a regular expression or search string.
     * @param searchValue A string to search for.
     * @param replaceValue A string containing the text to replace for every successful match of searchValue in this string.
     */
    replaceAll(searchValue: string | RegExp, replaceValue: string): string;

    /**
     * Replace all instances of a substring in a string, using a regular expression or search string.
     * @param searchValue A string to search for.
     * @param replacer A function that returns the replacement text.
     */
    replaceAll(searchValue: string | RegExp, replacer: (substring: string, ...args: any[]) => string): string;
}