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@asyncanup
Created July 24, 2019 21:36
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React // source https://jsbin.com/yufijad
<style id="jsbin-css">
body {
font: 14px "Century Gothic", Futura, sans-serif;
margin: 20px;
}
ol, ul {
padding-left: 30px;
}
.board-row:after {
clear: both;
content: "";
display: table;
}
.status {
margin-bottom: 10px;
}
.square {
background: #fff;
border: 1px solid #999;
float: left;
font-size: 24px;
font-weight: bold;
line-height: 34px;
height: 34px;
margin-right: -1px;
margin-top: -1px;
padding: 0;
text-align: center;
width: 34px;
}
.square:focus {
outline: none;
}
.kbd-navigation .square:focus {
background: #ddd;
}
.game {
display: flex;
flex-direction: row;
}
.game-info {
margin-left: 20px;
}
</style>
<div id='root'></div>
<script id="jsbin-javascript">
A = 'appendChild'
g = a => (
// console.log('g', a),
a = a || [],
a.map ? a.flatMap(g) : [a]
)
React = {
Component: function(p) {
this.props = p
},
[C = 'createElement']: (t, p, ...c) => (
// console.log('createElement', '\n>>', t, '\n>>', p, '\n>>', c, '\n'),
t.bind
? new t(p)
: (
e = document[C](t),
(() => {
for (n in p)
e[n] = p[n]
})(),
g(c).map(a => (
// (!e || !e[A]) && console.log('tpc', t, p, c),
e[A](
a.props
? a.render()
: a.part
? a
: new Text(a)
)
)),
// console.log('e',e),
e
)
)
}
// Additional ReactDOM plugin
ReactDOM = {
render: (r, h) => (
r.h = h,
// (!h || !h[A]) && console.log('rh', r, h),
h[A](r.render())
)
}
// Additional plugin, if you also want setState
React.Component.prototype.setState=function(s){
this.state={...this.state,...s};
!this.h && console.log('setState', this, this.h);
this.h.innerHTML='';
ReactDOM.render(this,this.h)
}
function Square(props) {
return (
React.createElement("button", {className: "square", onclick: props.onClick},
props.value
)
);
}
class Board extends React.Component {
renderSquare(i) {
return (
React.createElement(Square, {
value: this.props.squares[i],
onClick: () => this.props.onClick(i)}
)
);
}
render() {
return (
React.createElement("div", null,
React.createElement("div", {className: "board-row"},
this.renderSquare(0),
this.renderSquare(1),
this.renderSquare(2)
),
React.createElement("div", {className: "board-row"},
this.renderSquare(3),
this.renderSquare(4),
this.renderSquare(5)
),
React.createElement("div", {className: "board-row"},
this.renderSquare(6),
this.renderSquare(7),
this.renderSquare(8)
)
)
);
}
}
class Game extends React.Component {
constructor(props) {
super(props);
this.state = {
history: [
{
squares: Array(9).fill(null)
}
],
stepNumber: 0,
xIsNext: true
};
}
handleClick(i) {
console.log('handleClick', i);
const history = this.state.history.slice(0, this.state.stepNumber + 1);
const current = history[history.length - 1];
const squares = current.squares.slice();
if (calculateWinner(squares) || squares[i]) {
return;
}
squares[i] = this.state.xIsNext ? "X" : "O";
this.setState({
history: history.concat([
{
squares: squares
}
]),
stepNumber: history.length,
xIsNext: !this.state.xIsNext
});
}
jumpTo(step) {
this.setState({
stepNumber: step,
xIsNext: (step % 2) === 0
});
}
render() {
const history = this.state.history;
const current = history[this.state.stepNumber];
const winner = calculateWinner(current.squares);
const moves = history.map((step, move) => {
const desc = move ?
'Go to move #' + move :
'Go to game start';
return (
React.createElement("li", {key: move},
React.createElement("button", {onclick: () => this.jumpTo(move)}, desc)
)
);
});
let status;
if (winner) {
status = "Winner: " + winner;
} else {
status = "Next player: " + (this.state.xIsNext ? "X" : "O");
}
return (
React.createElement("div", {className: "game"},
React.createElement("div", {className: "game-board"},
React.createElement(Board, {
squares: current.squares,
onClick: i => this.handleClick(i)}
)
),
React.createElement("div", {className: "game-info"},
React.createElement("div", null, status),
React.createElement("ol", null, moves)
)
)
);
}
}
// ========================================
ReactDOM.render(React.createElement(Game, null), document.getElementById("root"));
console.log('✓')
function calculateWinner(squares) {
const lines = [
[0, 1, 2],
[3, 4, 5],
[6, 7, 8],
[0, 3, 6],
[1, 4, 7],
[2, 5, 8],
[0, 4, 8],
[2, 4, 6]
];
for (let i = 0; i < lines.length; i++) {
const [a, b, c] = lines[i];
if (squares[a] && squares[a] === squares[b] && squares[a] === squares[c]) {
return squares[a];
}
}
return null;
}
</script>
<script id="jsbin-source-css" type="text/css">body {
font: 14px "Century Gothic", Futura, sans-serif;
margin: 20px;
}
ol, ul {
padding-left: 30px;
}
.board-row:after {
clear: both;
content: "";
display: table;
}
.status {
margin-bottom: 10px;
}
.square {
background: #fff;
border: 1px solid #999;
float: left;
font-size: 24px;
font-weight: bold;
line-height: 34px;
height: 34px;
margin-right: -1px;
margin-top: -1px;
padding: 0;
text-align: center;
width: 34px;
}
.square:focus {
outline: none;
}
.kbd-navigation .square:focus {
background: #ddd;
}
.game {
display: flex;
flex-direction: row;
}
.game-info {
margin-left: 20px;
}
</script>
<script id="jsbin-source-javascript" type="text/javascript">A = 'appendChild'
g = a => (
// console.log('g', a),
a = a || [],
a.map ? a.flatMap(g) : [a]
)
React = {
Component: function(p) {
this.props = p
},
[C = 'createElement']: (t, p, ...c) => (
// console.log('createElement', '\n>>', t, '\n>>', p, '\n>>', c, '\n'),
t.bind
? new t(p)
: (
e = document[C](t),
(() => {
for (n in p)
e[n] = p[n]
})(),
g(c).map(a => (
// (!e || !e[A]) && console.log('tpc', t, p, c),
e[A](
a.props
? a.render()
: a.part
? a
: new Text(a)
)
)),
// console.log('e',e),
e
)
)
}
// Additional ReactDOM plugin
ReactDOM = {
render: (r, h) => (
r.h = h,
// (!h || !h[A]) && console.log('rh', r, h),
h[A](r.render())
)
}
// Additional plugin, if you also want setState
React.Component.prototype.setState=function(s){
this.state={...this.state,...s};
!this.h && console.log('setState', this, this.h);
this.h.innerHTML='';
ReactDOM.render(this,this.h)
}
function Square(props) {
return (
<button className="square" onclick={props.onClick}>
{props.value}
</button>
);
}
class Board extends React.Component {
renderSquare(i) {
return (
<Square
value={this.props.squares[i]}
onClick={() => this.props.onClick(i)}
/>
);
}
render() {
return (
<div>
<div className="board-row">
{this.renderSquare(0)}
{this.renderSquare(1)}
{this.renderSquare(2)}
</div>
<div className="board-row">
{this.renderSquare(3)}
{this.renderSquare(4)}
{this.renderSquare(5)}
</div>
<div className="board-row">
{this.renderSquare(6)}
{this.renderSquare(7)}
{this.renderSquare(8)}
</div>
</div>
);
}
}
class Game extends React.Component {
constructor(props) {
super(props);
this.state = {
history: [
{
squares: Array(9).fill(null)
}
],
stepNumber: 0,
xIsNext: true
};
}
handleClick(i) {
console.log('handleClick', i);
const history = this.state.history.slice(0, this.state.stepNumber + 1);
const current = history[history.length - 1];
const squares = current.squares.slice();
if (calculateWinner(squares) || squares[i]) {
return;
}
squares[i] = this.state.xIsNext ? "X" : "O";
this.setState({
history: history.concat([
{
squares: squares
}
]),
stepNumber: history.length,
xIsNext: !this.state.xIsNext
});
}
jumpTo(step) {
this.setState({
stepNumber: step,
xIsNext: (step % 2) === 0
});
}
render() {
const history = this.state.history;
const current = history[this.state.stepNumber];
const winner = calculateWinner(current.squares);
const moves = history.map((step, move) => {
const desc = move ?
'Go to move #' + move :
'Go to game start';
return (
<li key={move}>
<button onclick={() => this.jumpTo(move)}>{desc}</button>
</li>
);
});
let status;
if (winner) {
status = "Winner: " + winner;
} else {
status = "Next player: " + (this.state.xIsNext ? "X" : "O");
}
return (
<div className="game">
<div className="game-board">
<Board
squares={current.squares}
onClick={i => this.handleClick(i)}
/>
</div>
<div className="game-info">
<div>{status}</div>
<ol>{moves}</ol>
</div>
</div>
);
}
}
// ========================================
ReactDOM.render(<Game />, document.getElementById("root"));
console.log('✓')
function calculateWinner(squares) {
const lines = [
[0, 1, 2],
[3, 4, 5],
[6, 7, 8],
[0, 3, 6],
[1, 4, 7],
[2, 5, 8],
[0, 4, 8],
[2, 4, 6]
];
for (let i = 0; i < lines.length; i++) {
const [a, b, c] = lines[i];
if (squares[a] && squares[a] === squares[b] && squares[a] === squares[c]) {
return squares[a];
}
}
return null;
}</script>
body {
font: 14px "Century Gothic", Futura, sans-serif;
margin: 20px;
}
ol, ul {
padding-left: 30px;
}
.board-row:after {
clear: both;
content: "";
display: table;
}
.status {
margin-bottom: 10px;
}
.square {
background: #fff;
border: 1px solid #999;
float: left;
font-size: 24px;
font-weight: bold;
line-height: 34px;
height: 34px;
margin-right: -1px;
margin-top: -1px;
padding: 0;
text-align: center;
width: 34px;
}
.square:focus {
outline: none;
}
.kbd-navigation .square:focus {
background: #ddd;
}
.game {
display: flex;
flex-direction: row;
}
.game-info {
margin-left: 20px;
}
A = 'appendChild'
g = a => (
// console.log('g', a),
a = a || [],
a.map ? a.flatMap(g) : [a]
)
React = {
Component: function(p) {
this.props = p
},
[C = 'createElement']: (t, p, ...c) => (
// console.log('createElement', '\n>>', t, '\n>>', p, '\n>>', c, '\n'),
t.bind
? new t(p)
: (
e = document[C](t),
(() => {
for (n in p)
e[n] = p[n]
})(),
g(c).map(a => (
// (!e || !e[A]) && console.log('tpc', t, p, c),
e[A](
a.props
? a.render()
: a.part
? a
: new Text(a)
)
)),
// console.log('e',e),
e
)
)
}
// Additional ReactDOM plugin
ReactDOM = {
render: (r, h) => (
r.h = h,
// (!h || !h[A]) && console.log('rh', r, h),
h[A](r.render())
)
}
// Additional plugin, if you also want setState
React.Component.prototype.setState=function(s){
this.state={...this.state,...s};
!this.h && console.log('setState', this, this.h);
this.h.innerHTML='';
ReactDOM.render(this,this.h)
}
function Square(props) {
return (
React.createElement("button", {className: "square", onclick: props.onClick},
props.value
)
);
}
class Board extends React.Component {
renderSquare(i) {
return (
React.createElement(Square, {
value: this.props.squares[i],
onClick: () => this.props.onClick(i)}
)
);
}
render() {
return (
React.createElement("div", null,
React.createElement("div", {className: "board-row"},
this.renderSquare(0),
this.renderSquare(1),
this.renderSquare(2)
),
React.createElement("div", {className: "board-row"},
this.renderSquare(3),
this.renderSquare(4),
this.renderSquare(5)
),
React.createElement("div", {className: "board-row"},
this.renderSquare(6),
this.renderSquare(7),
this.renderSquare(8)
)
)
);
}
}
class Game extends React.Component {
constructor(props) {
super(props);
this.state = {
history: [
{
squares: Array(9).fill(null)
}
],
stepNumber: 0,
xIsNext: true
};
}
handleClick(i) {
console.log('handleClick', i);
const history = this.state.history.slice(0, this.state.stepNumber + 1);
const current = history[history.length - 1];
const squares = current.squares.slice();
if (calculateWinner(squares) || squares[i]) {
return;
}
squares[i] = this.state.xIsNext ? "X" : "O";
this.setState({
history: history.concat([
{
squares: squares
}
]),
stepNumber: history.length,
xIsNext: !this.state.xIsNext
});
}
jumpTo(step) {
this.setState({
stepNumber: step,
xIsNext: (step % 2) === 0
});
}
render() {
const history = this.state.history;
const current = history[this.state.stepNumber];
const winner = calculateWinner(current.squares);
const moves = history.map((step, move) => {
const desc = move ?
'Go to move #' + move :
'Go to game start';
return (
React.createElement("li", {key: move},
React.createElement("button", {onclick: () => this.jumpTo(move)}, desc)
)
);
});
let status;
if (winner) {
status = "Winner: " + winner;
} else {
status = "Next player: " + (this.state.xIsNext ? "X" : "O");
}
return (
React.createElement("div", {className: "game"},
React.createElement("div", {className: "game-board"},
React.createElement(Board, {
squares: current.squares,
onClick: i => this.handleClick(i)}
)
),
React.createElement("div", {className: "game-info"},
React.createElement("div", null, status),
React.createElement("ol", null, moves)
)
)
);
}
}
// ========================================
ReactDOM.render(React.createElement(Game, null), document.getElementById("root"));
console.log('✓')
function calculateWinner(squares) {
const lines = [
[0, 1, 2],
[3, 4, 5],
[6, 7, 8],
[0, 3, 6],
[1, 4, 7],
[2, 5, 8],
[0, 4, 8],
[2, 4, 6]
];
for (let i = 0; i < lines.length; i++) {
const [a, b, c] = lines[i];
if (squares[a] && squares[a] === squares[b] && squares[a] === squares[c]) {
return squares[a];
}
}
return null;
}
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