iceshrimp/src/client/components/mfm.ts
2021-01-03 12:51:50 +09:00

293 lines
7.5 KiB
TypeScript

import { VNode, defineComponent, h } from 'vue';
import { MfmForest } from '@/../mfm/prelude';
import { parse, parsePlain } from '@/../mfm/parse';
import MkUrl from '@/components/global/url.vue';
import MkLink from '@/components/link.vue';
import MkMention from '@/components/mention.vue';
import MkEmoji from '@/components/global/emoji.vue';
import { concat } from '@/../prelude/array';
import MkFormula from '@/components/formula.vue';
import MkCode from '@/components/code.vue';
import MkGoogle from '@/components/google.vue';
import MkA from '@/components/global/a.vue';
import { host } from '@/config';
export default defineComponent({
props: {
text: {
type: String,
required: true
},
plain: {
type: Boolean,
default: false
},
nowrap: {
type: Boolean,
default: false
},
author: {
type: Object,
default: null
},
i: {
type: Object,
default: null
},
customEmojis: {
required: false,
},
isNote: {
type: Boolean,
default: true
},
},
render() {
if (this.text == null || this.text == '') return;
const ast = (this.plain ? parsePlain : parse)(this.text);
const validTime = (t: string | null | undefined) => {
if (t == null) return null;
return t.match(/^[0-9.]+s$/) ? t : null;
};
const genEl = (ast: MfmForest) => concat(ast.map((token): VNode[] => {
switch (token.node.type) {
case 'text': {
const text = token.node.props.text.replace(/(\r\n|\n|\r)/g, '\n');
if (!this.plain) {
const x = text.split('\n')
.map(t => t == '' ? [h('br')] : [t, h('br')]);
x[x.length - 1].pop();
return x;
} else {
return [text.replace(/\n/g, ' ')];
}
}
case 'bold': {
return [h('b', genEl(token.children))];
}
case 'strike': {
return [h('del', genEl(token.children))];
}
case 'italic': {
return h('i', {
style: 'font-style: oblique;'
}, genEl(token.children));
}
case 'fn': {
// TODO: CSSを文字列で組み立てていくと token.node.props.args.~~~ 経由でCSSインジェクションできるのでよしなにやる
let style;
switch (token.node.props.name) {
case 'tada': {
style = `font-size: 150%;` + (this.$store.state.animatedMfm ? 'animation: tada 1s linear infinite both;' : '');
break;
}
case 'jelly': {
const speed = validTime(token.node.props.args.speed) || '1s';
style = (this.$store.state.animatedMfm ? `animation: mfm-rubberBand ${speed} linear infinite both;` : '');
break;
}
case 'twitch': {
const speed = validTime(token.node.props.args.speed) || '0.5s';
style = this.$store.state.animatedMfm ? `animation: mfm-twitch ${speed} ease infinite;` : '';
break;
}
case 'shake': {
const speed = validTime(token.node.props.args.speed) || '0.5s';
style = this.$store.state.animatedMfm ? `animation: mfm-shake ${speed} ease infinite;` : '';
break;
}
case 'spin': {
const direction =
token.node.props.args.left ? 'reverse' :
token.node.props.args.alternate ? 'alternate' :
'normal';
const anime =
token.node.props.args.x ? 'mfm-spinX' :
token.node.props.args.y ? 'mfm-spinY' :
'mfm-spin';
const speed = validTime(token.node.props.args.speed) || '1.5s';
style = this.$store.state.animatedMfm ? `animation: ${anime} ${speed} linear infinite; animation-direction: ${direction};` : '';
break;
}
case 'jump': {
style = this.$store.state.animatedMfm ? 'animation: mfm-jump 0.75s linear infinite;' : '';
break;
}
case 'bounce': {
style = this.$store.state.animatedMfm ? 'animation: mfm-bounce 0.75s linear infinite; transform-origin: center bottom;' : '';
break;
}
case 'flip': {
const transform =
(token.node.props.args.h && token.node.props.args.v) ? 'scale(-1, -1)' :
token.node.props.args.v ? 'scaleY(-1)' :
'scaleX(-1)';
style = `transform: ${transform};`;
break;
}
case 'x2': {
style = `font-size: 200%;`;
break;
}
case 'x3': {
style = `font-size: 400%;`;
break;
}
case 'x4': {
style = `font-size: 600%;`;
break;
}
case 'font': {
const family =
token.node.props.args.serif ? 'serif' :
token.node.props.args.monospace ? 'monospace' :
token.node.props.args.cursive ? 'cursive' :
token.node.props.args.fantasy ? 'fantasy' :
token.node.props.args.emoji ? 'emoji' :
token.node.props.args.math ? 'math' :
null;
if (family) style = `font-family: ${family};`;
break;
}
case 'blur': {
return h('span', {
class: '_mfm_blur_',
}, genEl(token.children));
}
}
if (style == null) {
return h('span', {}, ['[', token.node.props.name, ...genEl(token.children), ']']);
} else {
return h('span', {
style: 'display: inline-block;' + style,
}, genEl(token.children));
}
}
case 'small': {
return [h('small', {
style: 'opacity: 0.7;'
}, genEl(token.children))];
}
case 'center': {
return [h('div', {
style: 'text-align:center;'
}, genEl(token.children))];
}
case 'url': {
return [h(MkUrl, {
key: Math.random(),
url: token.node.props.url,
rel: 'nofollow noopener',
})];
}
case 'link': {
return [h(MkLink, {
key: Math.random(),
url: token.node.props.url,
rel: 'nofollow noopener',
}, genEl(token.children))];
}
case 'mention': {
return [h(MkMention, {
key: Math.random(),
host: (token.node.props.host == null && this.author && this.author.host != null ? this.author.host : token.node.props.host) || host,
username: token.node.props.username
})];
}
case 'hashtag': {
return [h(MkA, {
key: Math.random(),
to: this.isNote ? `/tags/${encodeURIComponent(token.node.props.hashtag)}` : `/explore/tags/${encodeURIComponent(token.node.props.hashtag)}`,
style: 'color:var(--hashtag);'
}, `#${token.node.props.hashtag}`)];
}
case 'blockCode': {
return [h(MkCode, {
key: Math.random(),
code: token.node.props.code,
lang: token.node.props.lang,
})];
}
case 'inlineCode': {
return [h(MkCode, {
key: Math.random(),
code: token.node.props.code,
lang: token.node.props.lang,
inline: true
})];
}
case 'quote': {
if (!this.nowrap) {
return [h('div', {
class: 'quote'
}, genEl(token.children))];
} else {
return [h('span', {
class: 'quote'
}, genEl(token.children))];
}
}
case 'emoji': {
return [h(MkEmoji, {
key: Math.random(),
emoji: token.node.props.name ? `:${token.node.props.name}:` : token.node.props.emoji,
customEmojis: this.customEmojis,
normal: this.plain
})];
}
case 'mathInline': {
return [h(MkFormula, {
key: Math.random(),
formula: token.node.props.formula,
block: false
})];
}
case 'mathBlock': {
return [h(MkFormula, {
key: Math.random(),
formula: token.node.props.formula,
block: true
})];
}
case 'search': {
return [h(MkGoogle, {
key: Math.random(),
q: token.node.props.query
})];
}
default: {
console.error('unrecognized ast type:', token.node.type);
return [];
}
}
}));
// Parse ast to DOM
return h('span', genEl(ast));
}
});