问一个 ts 类型提取问题
資深大佬 : emilll 1
interface Article { filename: string title: string date: string } const articles: Article[] = [ { filename: 'article1', title: 'first article', date: '2021-04-13T18:10:40.578Z' }, { filename: 'article2', title: 'second article', date: '2021-04-13T19:32:39.556Z' } ] // 从 articles 的 filename 字段提取类型 // 结果 => type ArticleFilename = 'article1' | 'article2' type ArticleFilename = ???
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