小编Dee*_*ens的帖子

我正在尝试在 createMuiTheme 中添加一个新属性。但 Typescript 不让我这样做。

我按照此处的说明进行操作：https ://next.material-ui.com/guides/typescript/#customization-of-theme

我创建了一个 .ts 文件，将其放置在其中：

import * as React from \'react\';\n\ndeclare module \'@material-ui/core/styles\' {\n  interface TypeBackground {\n    darker: string;\n  }\n}\n

并且，这是我创建 Material-UI 主题的地方：

import {createMuiTheme} from "@material-ui/core";\n\nexport const darkTheme = createMuiTheme({\n    palette: {\n        background: {\n            darker: \'#fafa\',\n        },\n        mode: \'dark\'\n    },\n})\n

但我收到此错误：

TS2322: Type \'{ darker: string; }\' is not assignable to type \'Partial<TypeBackground>\'. \xc2\xa0\xc2\xa0Object literal may only specify known properties, and \'darker\' does not exist in …