1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
|
<template>
<div class="news" v-if="count">
<span v-if="!entries.length">(no news entries)</span>
<article class="entry" v-for="entry in entries" :id="entry.id">
<a :href="'#' + entry.id">{{ entry.title }}</a>
<time :datetime="entry.date" class="date">{{ entry.date }}</time>
<section class="body" v-html="entry.html"></section>
<q>{{entry.author}}</q>
</article>
</div>
</template>
<style scoped>
.news .entry {
margin-bottom: 0;
padding-bottom: 1em;
hyphens: auto;
&:not(:last-of-type) {
padding-bottom: 3em;
}
&:nth-of-type(1n + 2) {
padding-top: 1em;
border-top: solid 0.4ex rgba(0, 0, 0, 0.1);
}
&:first-child:not(:only-child) {
padding-top: 1em;
border-top: solid 0.4ex transparent;
}
&:nth-of-type(1n + 2), &:not(:only-child) {
&:hover, &:target {
border-color: #0000FF;
background-color: rgba(220,220,220,0.5);
& > .date, & > a {
color: #0000FF;
}
}
}
& > a {
text-decoration: none;
color: inherit;
font-weight: bold;
}
& > .date {
float: right;
}
& .body {
margin-top: 2ex;
&::v-deep > b {
display: block;
margin-bottom: 1ex;
}
& :any-link {
color: inherit;
text-decoration: none;
&::before {
content: "➜ ";
color: blue;
}
&:hover {
text-decoration: underline;
}
}
}
& q {
color: #009000;
margin-top: 2ex;
display: inline-block;
&::before {
content: "– ";
}
}
}
@media (min-width: 1100px) {
.news .entry {
padding-left: 30px;
padding-right: 40px;
}
}
</style>
<script lang="ts">
import { Component, Prop, Vue } from "vue-property-decorator";
import newsEntries from "@/assets/news.json";
interface NewsEntry {
id: string;
title: string;
date: string;
author: string;
html: string;
}
@Component
export default class News extends Vue {
@Prop({ default: Infinity }) private count!: number;
@Prop({ default: 0 }) private from!: number;
private entries: NewsEntry[] = (newsEntries as NewsEntry[]).slice(this.from, this.count);
beautify () {
this.entries.forEach(entry => {
// FIXME: weird Vue bug
entry.html = entry.html.replace(/<br\/>/g,"<br></br>");
});
}
mounted () {
if (!process.env.VUE_APP_NEWS_JSON || !process.env.VUE_APP_NEWS_JSON.startsWith("https")) {
// TODO: allow arbitrary paths (no hardcoded news.json)
this.beautify();
return;
}
// restore from cache while we're loading a fresh copy
if (Reflect.has(self, "localStorage")) {
let newsCache = localStorage.getItem("newsCache");
if (newsCache !== null) {
this.entries = (JSON.parse(newsCache) as NewsEntry[]).slice(this.from, this.count);
this.beautify();
}
}
const req = new Request(process.env.VUE_APP_NEWS_JSON, {
method: "GET",
cache: "default", // serve if fresh, else fetch
});
fetch(req)
.then(data => data.json())
.then(data => {
this.entries = (data as NewsEntry[]).slice(this.from, this.count);
this.beautify();
if (Reflect.has(self, "localStorage")) {
localStorage.setItem("newsCache", JSON.stringify(data));
}
})
.catch(e => {
// no news (will use cache, if any)
})
}
}
</script>
|
