用途としては、ユーザーに通知する popup animation を順番に出す、みたいなのを想定している。 class DeferredQueue constructor: -> @head = $.Deferred() @cur = @head addQueue: (deferred_func) -> @cur = @cur.pipe deferred_func popStart: -> @head.resolve() @head = $.Deferred() # how to use popupQueue = new DeferredQueue popupQueue.addQueue -> d = $.Deferred() setTimeout -> console.log "deferred queues 1" d.resolve() , 5500 d.promise() popup
![$.Deferredを返す関数が、resolveされると登録された順に実行されるイベントキュー - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/44b6a321c11ad86f5b405aefe4de511372b212f6/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-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%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBtaXpjaGkmdHh0LWNvbG9yPSUyMzFFMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT0zNiZ0eHQtYWxpZ249bGVmdCUyQ3RvcCZzPWQ3ZTQ0M2I0N2JiMzhmY2U2YmVmODU0NDhmODlhOWEx%26blend-x%3D142%26blend-y%3D436%26blend-mode%3Dnormal%26txt64%3DaW4g5qCq5byP5Lya56S-44OX44Os44Kk44OJ%26txt-width%3D770%26txt-clip%3Dend%252Cellipsis%26txt-color%3D%25231E2121%26txt-font%3DHiragino%2520Sans%2520W6%26txt-size%3D36%26txt-x%3D156%26txt-y%3D536%26s%3D768c5b22b85f2f5c2571164a034d6526)