静的クラスに実装したメソッドをブラケット表記法で呼び出します。 const Klazz = { doHoge() { console.log('done hoge'); }, doFuga() { console.log('done fuga'); }, doPiyo() { console.log('done piyo'); } }; const key: string = 'doFuga'; Klazz.doFuga[key](); // Element implicitly has an 'any' type because type '() => void' has no index signature.
![【TypeScript】 Object[key]() (ブラケット記法)で関数呼び出ししたら Element implicitly has an 'any' type でハマった話 - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/1a98c095121621badef80f32621fdc60bcf2a807/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-9f5428127621718a910c8b63951390ad.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTkxNiZoPTMzNiZ0eHQ9JUUzJTgwJTkwVHlwZVNjcmlwdCVFMyU4MCU5MSUyME9iamVjdCU1QmtleSU1RCUyOCUyOSUyMCVFRiVCQyU4OCVFMyU4MyU5NiVFMyU4MyVBOSVFMyU4MiVCMSVFMyU4MyU4MyVFMyU4MyU4OCVFOCVBOCU5OCVFNiVCMyU5NSVFRiVCQyU4OSVFMyU4MSVBNyVFOSU5NiVBMiVFNiU5NSVCMCVFNSU5MSVCQyVFMyU4MSVCMyVFNSU4NyVCQSVFMyU4MSU5NyVFMyU4MSU5NyVFMyU4MSU5RiVFMyU4MiU4OSUyMEVsZW1lbnQlMjBpbXBsaWNpdGx5JTIwaGFzJTIwYW4lMjAlMjdhbnklMjclMjAlRTIlODAlQTYmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT01NiZ0eHQtY2xpcD1lbGxpcHNpcyZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPTMyNGYwNDgwY2ZhZmY1MDJiNTAxMDMwOTg5ZmVkNWQ1%26mark-x%3D142%26mark-y%3D112%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTYxNiZ0eHQ9JTQwTm9zc2EmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPTE2NTFkOTVjNjQ0Y2UwODE5NTljZGFiOTdiNDE0MTI0%26blend-x%3D142%26blend-y%3D491%26blend-mode%3Dnormal%26s%3D86eb16d39627ede58a8b5a46f4365441)