Sharkey/src/client/pages/document.vue

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2020-02-06 08:20:04 -08:00
<template>
<div>
<portal to="icon"><fa :icon="faFileAlt"/></portal>
<portal to="title">{{ title }}</portal>
<main class="_card">
<div class="_content">
<div v-html="body"/>
</div>
</main>
</div>
</template>
<script lang="ts">
import Vue from 'vue';
import { faFileAlt } from '@fortawesome/free-solid-svg-icons'
import MarkdownIt from 'markdown-it';
const markdown = MarkdownIt();
export default Vue.extend({
metaInfo() {
return {
title: this.title,
};
},
components: {
},
watch: {
markdown() {
this.updateText();
}
},
data() {
return {
faFileAlt,
title: '',
body: '',
markdown: `# ぽぺ
ぽぺ **ぽぺ** _ぽぺーーーーーっ_ \`ぽぺ\`
\`\`\`
export default class Pope extends PopeBase
{
public Pope() {
return 'ぽぺ';
}
}
\`\`\``,
}
},
created() {
this.updateText()
},
methods: {
updateText() {
// markdown の全容をパースする
const parsed = markdown.parse(this.markdown, {});
if (parsed.length === 0)
return;
const buf = [ ...parsed ]
const headingTokens = [];
let headingStart = 0;
// もっとも上にある見出しを抽出する
while (buf[0].type !== 'heading_open') {
buf.shift();
headingStart++;
}
buf.shift();
while (buf[0].type as string !== 'heading_close') {
const token = buf.shift();
if (token) {
headingTokens.push(token);
}
}
// 抽出した見出しを除く部分をbodyとして抽出する
const bodyTokens = [ ...parsed ]
bodyTokens.splice(headingStart, headingTokens.length + 2);
// 各々レンダーする
this.title = markdown.renderer.render(headingTokens, {}, {});
this.body = markdown.renderer.render(bodyTokens, {}, {});
}
}
});
</script>