質問編集履歴
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回答の内容に修正したコードを追記しました
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File without changes
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@@ -69,4 +69,122 @@
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69
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### 補足情報（FW/ツールのバージョンなど）
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70
70
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71
71
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cloud9
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72
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-
React.js v16.8.6
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72
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React.js v16.8.6
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73
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74
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###追記
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75
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回答のコメントより、改善したものを追記します。
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76
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```Index
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77
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import React, { Component } from 'react'
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78
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import { withRouter } from 'react-router';
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79
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import axios from 'axios';
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80
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import Typography from '@material-ui/core/Typography'
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81
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import Post from '../component/Post';
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82
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+
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83
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class Index extends Component {
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84
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constructor(props) {
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85
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super(props)
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86
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this.state = {
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87
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posts: []
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88
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}
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89
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}
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90
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91
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92
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componentDidMount() {
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93
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axios
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.get('https://6ccf1b5402214ffdb31120bbd0a35c58.vfs.cloud9.us-east-2.amazonaws.com/api/v1/posts')
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95
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.then((results) => {
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96
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console.log(results)
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97
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this.setState({ posts: results.data })
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98
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})
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99
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.catch((data) =>{
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100
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console.log(data)
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101
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})
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102
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}
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103
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104
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render(){
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105
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return(
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106
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<div>
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107
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{(() => {
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108
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if (this.state.posts.length > 0) {
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109
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return (
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110
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this.state.posts.map( (post, i) => {
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111
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return(
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112
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<Post
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113
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key={i}
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114
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createdAt={post.created_at}
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115
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name='testUser'
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116
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title={post.title}
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117
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content={post.content}
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118
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/>
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119
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)
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120
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})
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121
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)
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122
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} else {
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123
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return (
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124
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<Typography variant="h6" component="h2">
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125
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まだなにも投稿されていません。
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126
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</Typography>
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127
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)
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128
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}
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129
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})()}
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130
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</div>
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);
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}
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}
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export default Index;
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```
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```Post
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import React, { Component } from 'react';
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import { makeStyles, withStyles } from '@material-ui/core/styles';
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140
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import Card from '@material-ui/core/Card';
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import CardActions from '@material-ui/core/CardActions';
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import CardContent from '@material-ui/core/CardContent';
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import Button from '@material-ui/core/Button';
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import Typography from '@material-ui/core/Typography';
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145
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146
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class Post extends Component {
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render(){
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const classes = makeStyles({
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card: {
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minWidth: 275,
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151
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},
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152
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bullet: {
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display: 'inline-block',
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margin: '0 2px',
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transform: 'scale(0.8)',
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},
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157
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title: {
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158
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fontSize: 14,
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159
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},
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160
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pos: {
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161
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marginBottom: 12,
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162
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},
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163
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});
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164
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165
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return (
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166
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<Card className={classes.card}>
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167
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<CardContent>
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168
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<Typography className={classes.title} color="textSecondary" gutterBottom>
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169
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{this.props.createdAt}
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170
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</Typography>
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171
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<Typography variant="h5" component="h2">
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{this.props.name}
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</Typography>
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174
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<Typography className={classes.pos} color="textSecondary">
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175
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{this.props.title}
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176
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</Typography>
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177
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<Typography variant="body2" component="p">
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178
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{this.props.content}
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179
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</Typography>
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180
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</CardContent>
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181
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<CardActions>
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182
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<Button size="small">Learn More...</Button>
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183
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</CardActions>
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184
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</Card>
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185
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);
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186
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}
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187
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}
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188
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189
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export default Post;
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190
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```
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