TypeScriptって魔法ではなく「手法」さえ覚えれば自作するのも夢じゃない。 気合の入った成果物: @lollipop-onl/vuex-typesafe-helper (微妙に実装不備アリ) Demo TypeScript Playgroundで動作を確認できます。 Demo 開発環境 IDE (VS Code) デバッグ方法 IDEでの型推論 declare var dispatch: Dispatch; dispatch('login', { id: 'simochee', password: 'abcd1234' }); // store/chat.ts const actions = { login({ commit }, payload: { id: string, password: string }): Promise<boolean> {}, joinRoom({ c
![TypeScriptでVuexの型ユーティリティを作ろう - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/6b621d1c17c558117ca2857d3b686431acc3cd61/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-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9VHlwZVNjcmlwdCVFMyU4MSVBN1Z1ZXglRTMlODElQUUlRTUlOUUlOEIlRTMlODMlQTYlRTMlODMlQkMlRTMlODMlODYlRTMlODIlQTMlRTMlODMlQUElRTMlODMlODYlRTMlODIlQTMlRTMlODIlOTIlRTQlQkQlOUMlRTMlODIlOEQlRTMlODElODYmdHh0LWFsaWduPWxlZnQlMkN0b3AmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT01NiZzPWJkMjk3NDc3MTUwOGVlZjliNTM4YjRhNjg4M2ZmNGJh%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBzaW1vY2hlZSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9MDhkOTA0YjY4YzZkMzk2YWI3NzVhZTNkZTNjMDFiZTg%26blend-x%3D142%26blend-y%3D486%26blend-mode%3Dnormal%26s%3Db25808884cb4b196f7e69df14bd9f133)