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* feat: Chapter2. Rendering * chore(02. 렌더링/02): 닉네임 폴더 아래로 파일 이동
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const { faker } = window; | ||
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const createElement = () => ({ | ||
text: faker.random.words(2), | ||
completed: faker.random.boolean(), | ||
}); | ||
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const repeat = (elementFactory, number) => { | ||
const array = []; | ||
for (let index = 0; index < number; index++) { | ||
array.push(elementFactory()); | ||
} | ||
return array; | ||
}; | ||
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export default () => { | ||
const howMany = faker.random.number(10); | ||
return repeat(createElement, howMany); | ||
}; |
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<html> | ||
<head> | ||
<link rel="shortcut icon" href="../favicon.ico" /> | ||
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/todomvc-common@1.0.5/base.css" /> | ||
<link rel="stylesheet" href="https://cdn.jsdelivr.net/npm/todomvc-app-css@2.1.2/index.css" /> | ||
<script src="https://cdnjs.cloudflare.com/ajax/libs/Faker/3.1.0/faker.js"></script> | ||
<title>Frameworkless Frontend Development: Rendering</title> | ||
</head> | ||
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<body> | ||
<section class="todoapp"> | ||
<header class="header"> | ||
<h1>todos</h1> | ||
<input class="new-todo" placeholder="What needs to be done?" autofocus /> | ||
</header> | ||
<section class="main"> | ||
<input id="toggle-all" class="toggle-all" type="checkbox" /> | ||
<label for="toggle-all">Mark all as complete</label> | ||
<ul class="todo-list"></ul> | ||
</section> | ||
<footer class="footer"> | ||
<span class="todo-count">1 Item Left</span> | ||
<ul class="filters"> | ||
<li> | ||
<a href="#/">All</a> | ||
</li> | ||
<li> | ||
<a href="#/active">Active</a> | ||
</li> | ||
<li> | ||
<a href="#/completed">Completed</a> | ||
</li> | ||
</ul> | ||
<button class="clear-completed">Clear completed</button> | ||
</footer> | ||
</section> | ||
<footer class="info"> | ||
<p>Double-click to edit a todo</p> | ||
<p>Created by <a href="http://twitter.com/thestrazz86">Francesco Strazzullo</a></p> | ||
<p>Thanks to <a href="http://todomvc.com">TodoMVC</a></p> | ||
</footer> | ||
<script type="module" src="index.js"></script> | ||
</body> | ||
</html> |
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import getTodos from './getTodos'; | ||
import appView from './view/app'; | ||
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const state = { | ||
todos: getTodos(), | ||
currentFilter: 'All', | ||
}; | ||
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const main = document.querySelector('.todoapp'); | ||
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window.requestAnimationFrame(() => { | ||
const newMain = appView(main, state); | ||
main.replaceWith(newMain); | ||
}); |
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import todosView from './todos'; | ||
import counterView from './counter'; | ||
import filtersView from './filters'; | ||
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export default (targetElement, state) => { | ||
const element = targetElement.cloneNode(true); | ||
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const list = element.querySelector('.todo-list'); | ||
const counter = element.querySelector('.todo-count'); | ||
const filters = element.querySelector('.filters'); | ||
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list.replaceWith(todosView(list, state)); | ||
counter.replaceWith(counterView(counter, state)); | ||
filters.replaceWith(filtersView(filters, state)); | ||
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return element; | ||
}; |
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const getNotCompleted = (todos) => { | ||
const notCompleted = todos.filter((todo) => !todo.completed); | ||
const { length } = notCompleted; | ||
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if (length === 1) { | ||
return '1 Item left'; | ||
} | ||
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return `${length} Items left`; | ||
}; | ||
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const counterView = (targetElement, { todos }) => { | ||
const element = targetElement.cloneNode(true); | ||
element.textContent = getNotCompleted(todos); | ||
return element; | ||
}; | ||
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export default counterView; |
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import counterView from './counter'; | ||
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let targetElement; | ||
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describe('counterView', () => { | ||
beforeEach(() => { | ||
targetElement = document.createElement('div'); | ||
}); | ||
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test('새로운 DOM 요소는 완료되지 않은 todo의 수를 가지고 있어야 한다.', () => { | ||
const newCounter = counterView(targetElement, { | ||
todos: [ | ||
{ | ||
text: 'First', | ||
completed: true, | ||
}, | ||
{ | ||
text: 'Second', | ||
completed: false, | ||
}, | ||
{ | ||
text: 'Third', | ||
completed: false, | ||
}, | ||
], | ||
}); | ||
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expect(newCounter.textContent).toBe('2 Items left'); | ||
}); | ||
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test('완료하지 않은 todo가 1개일 경우를 고려해야 한다.', () => { | ||
const newCounter = counterView(targetElement, { | ||
todos: [ | ||
{ | ||
text: 'First', | ||
completed: true, | ||
}, | ||
{ | ||
text: 'Third', | ||
completed: false, | ||
}, | ||
], | ||
}); | ||
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expect(newCounter.textContent).toBe('1 Item left'); | ||
}); | ||
}); |
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const filtersView = (targetElement, { currentFilter }) => { | ||
const element = targetElement.cloneNode(true); | ||
Array.from(element.querySelectorAll('li a')).forEach((v) => { | ||
if (v.textContent === currentFilter) { | ||
v.classList.add('selected'); | ||
} else { | ||
v.classList.remove('selected'); | ||
} | ||
}); | ||
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return element; | ||
}; | ||
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export default filtersView; |
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import filtersView from './filters'; | ||
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let targetElement; | ||
const TEMPLATE = `<ul class="filters"> | ||
<li> | ||
<a href="#/">All</a> | ||
</li> | ||
<li> | ||
<a href="#/active">Active</a> | ||
</li> | ||
<li> | ||
<a href="#/completed">Completed</a> | ||
</li> | ||
</ul>`; | ||
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describe('filtersView', () => { | ||
beforeEach(() => { | ||
const tempElement = document.createElement('div'); | ||
tempElement.innerHTML = TEMPLATE; | ||
[targetElement] = tempElement.childNodes; | ||
}); | ||
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test('"currentFilter"와 동일한 텍스트를 가지는 anchor 태그에 "selected" 클래스를 추가해야 한다.', () => { | ||
const newCounter = filtersView(targetElement, { | ||
currentFilter: 'Active', | ||
}); | ||
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const selectedItem = newCounter.querySelector('li a.selected'); | ||
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expect(selectedItem.textContent).toBe('Active'); | ||
}); | ||
}); |
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const todosView = (targetElement, { todos }) => { | ||
const element = targetElement.cloneNode(true); | ||
element.innerHTML = todos | ||
.map((todo) => { | ||
const { text, completed } = todo; | ||
return ` | ||
<li class="${completed ? 'completed' : ''}"> | ||
<div class="view"> | ||
<input class="toggle" type="checkbox" ${completed ? 'checked' : ''}> | ||
<label>${text}</label> | ||
</div> | ||
<input class="edit" value="${text}"> | ||
</li> | ||
`; | ||
}) | ||
.join(''); | ||
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return element; | ||
}; | ||
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export default todosView; |
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import todosView from './todos'; | ||
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let targetElement; | ||
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describe('filtersView', () => { | ||
beforeEach(() => { | ||
targetElement = document.createElement('ul'); | ||
}); | ||
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test('모든 todo 요소에 대해서 li 태그를 생성해야 한다.', () => { | ||
const newCounter = todosView(targetElement, { | ||
todos: [ | ||
{ | ||
text: 'First', | ||
completed: true, | ||
}, | ||
{ | ||
text: 'Second', | ||
completed: false, | ||
}, | ||
{ | ||
text: 'Third', | ||
completed: false, | ||
}, | ||
], | ||
}); | ||
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const items = newCounter.querySelectorAll('li'); | ||
expect(items.length).toBe(3); | ||
}); | ||
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test('"todos"에 따라 모든 li 요소에 올바른 속성을 설정해야 한다.', () => { | ||
const newCounter = todosView(targetElement, { | ||
todos: [ | ||
{ | ||
text: 'First', | ||
completed: true, | ||
}, | ||
{ | ||
text: 'Second', | ||
completed: false, | ||
}, | ||
], | ||
}); | ||
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const [firstItem, secondItem] = newCounter.querySelectorAll('li'); | ||
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expect(firstItem.classList.contains('completed')).toBe(true); | ||
expect(firstItem.querySelector('.toggle').checked).toBe(true); | ||
expect(firstItem.querySelector('label').textContent).toBe('First'); | ||
expect(firstItem.querySelector('.edit').value).toBe('First'); | ||
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expect(secondItem.classList.contains('completed')).toBe(false); | ||
expect(secondItem.querySelector('.toggle').checked).toBe(false); | ||
expect(secondItem.querySelector('label').textContent).toBe('Second'); | ||
expect(secondItem.querySelector('.edit').value).toBe('Second'); | ||
}); | ||
}); |