Created
January 14, 2020 00:52
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JS Bin // source https://jsbin.com/momanux
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<!DOCTYPE html> | |
<html> | |
<head> | |
<meta charset="utf-8"> | |
<title>JS Bin</title> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/redux/3.6.0/redux.js"></script> | |
</head> | |
<body> | |
<div id="root"> | |
</div> | |
<script id="jsbin-javascript"> | |
'use strict'; | |
function reducer(state, action) { | |
switch (action.type) { | |
case 'TODO_ADD': | |
{ | |
return applyAddTodo(state, action); | |
} | |
case 'TODO_TOGGLE': | |
{ | |
return applyToggleTodo(state, action); | |
} | |
default: | |
return state; | |
} | |
} | |
function applyAddTodo(state, action) { | |
return state.concat(action.todo); | |
} | |
function applyToggleTodo(state, action) { | |
return state.map(function (todo) { | |
return todo.id === action.todo.id ? Object.assign({}, todo, { completed: !todo.completed }) : todo; | |
}); | |
} | |
var store = Redux.createStore(reducer, []); | |
console.log('initial state:'); | |
console.log(store.getState()); | |
var unsubscribe = store.subscribe(function () { | |
console.log('store update, current state:'); | |
console.log(store.getState()); | |
}); | |
store.dispatch({ | |
type: 'TODO_ADD', | |
todo: { id: '0', name: 'learn redux', completed: false } | |
}); | |
store.dispatch({ | |
type: 'TODO_ADD', | |
todo: { id: '1', name: 'learn mobx', completed: false } | |
}); | |
store.dispatch({ | |
type: 'TODO_TOGGLE', | |
todo: { id: '0' } | |
}); | |
unsubscribe(); | |
</script> | |
<script id="jsbin-source-javascript" type="text/javascript">function reducer(state, action) { | |
switch(action.type) { | |
case 'TODO_ADD' : { | |
return applyAddTodo(state, action); | |
} | |
case 'TODO_TOGGLE' : { | |
return applyToggleTodo(state, action); | |
} | |
default : return state; | |
} | |
} | |
function applyAddTodo(state, action) { | |
return state.concat(action.todo); | |
} | |
function applyToggleTodo(state, action) { | |
return state.map(todo => | |
todo.id === action.todo.id | |
? Object.assign({}, todo, { completed: !todo.completed }) | |
: todo | |
); | |
} | |
const store = Redux.createStore(reducer, []); | |
console.log('initial state:'); | |
console.log(store.getState()); | |
const unsubscribe = store.subscribe(() => { | |
console.log('store update, current state:'); | |
console.log(store.getState()); | |
}); | |
store.dispatch({ | |
type: 'TODO_ADD', | |
todo: { id: '0', name: 'learn redux', completed: false }, | |
}); | |
store.dispatch({ | |
type: 'TODO_ADD', | |
todo: { id: '1', name: 'learn mobx', completed: false }, | |
}); | |
store.dispatch({ | |
type: 'TODO_TOGGLE', | |
todo: { id: '0' }, | |
}); | |
unsubscribe();</script></body> | |
</html> |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
'use strict'; | |
function reducer(state, action) { | |
switch (action.type) { | |
case 'TODO_ADD': | |
{ | |
return applyAddTodo(state, action); | |
} | |
case 'TODO_TOGGLE': | |
{ | |
return applyToggleTodo(state, action); | |
} | |
default: | |
return state; | |
} | |
} | |
function applyAddTodo(state, action) { | |
return state.concat(action.todo); | |
} | |
function applyToggleTodo(state, action) { | |
return state.map(function (todo) { | |
return todo.id === action.todo.id ? Object.assign({}, todo, { completed: !todo.completed }) : todo; | |
}); | |
} | |
var store = Redux.createStore(reducer, []); | |
console.log('initial state:'); | |
console.log(store.getState()); | |
var unsubscribe = store.subscribe(function () { | |
console.log('store update, current state:'); | |
console.log(store.getState()); | |
}); | |
store.dispatch({ | |
type: 'TODO_ADD', | |
todo: { id: '0', name: 'learn redux', completed: false } | |
}); | |
store.dispatch({ | |
type: 'TODO_ADD', | |
todo: { id: '1', name: 'learn mobx', completed: false } | |
}); | |
store.dispatch({ | |
type: 'TODO_TOGGLE', | |
todo: { id: '0' } | |
}); | |
unsubscribe(); |
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