jointrashposs/components/mk/Mfm.ts
2024-01-26 15:46:39 +09:00

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/*
* SPDX-FileCopyrightText: syuilo and other misskey contributors
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { h } from 'vue';
import type { VNode } from 'vue';
import * as mfm from 'mfm-js';
import MkGoogle from '@/components/mk/Google.vue';
import MkSparkle from '@/components/mk/Sparkle.vue';
import MkCustomEmoji from '@/components/mk/CustomEmoji.vue';
import MkMention from '@/components/mk/Mention.vue';
import NuxtLink from '@/components/g/NuxtLink.vue';
import ProseAVue from '@/components/content/ProseA.vue';
const QUOTE_STYLE = `
display: block;
margin: 8px;
padding: 6px 0 6px 12px;
color: currentColor;
border-left: solid 3px currentColor;
opacity: 0.7;
`.split('\n').join(' ');
export default function(props: {
text: string;
plain?: boolean;
nowrap?: boolean;
isNote?: boolean;
emojiUrls?: string[];
rootScale?: number;
/** 表示の基準にするMisskeyサーバーのドメイン */
baseHost?: string;
/** 差し込むカスタム絵文字(:key:と画像URL */
customEmojis?: Record<string, string>;
}) {
const isNote = props.isNote !== undefined ? props.isNote : true;
if (props.text == null || props.text === '') return;
const ast = (props.plain ? mfm.parseSimple : mfm.parse)(props.text);
const validTime = (t: string | null | undefined) => {
if (t == null) return null;
return t.match(/^[0-9.]+s$/) ? t : null;
};
const validColor = (c: string | null | undefined): string | null => {
if (c == null) return null;
return c.match(/^[0-9a-f]{3,6}$/i) ? c : null;
};
const useAnim = true;
/**
* Gen Vue Elements from MFM AST
* @param ast MFM AST
* @param scale How times large the text is
*/
const genEl = (ast: mfm.MfmNode[], scale: number) => ast.map((token): VNode | string | (VNode | string)[] => {
switch (token.type) {
case 'text': {
const text = token.props.text.replace(/(\r\n|\n|\r)/g, '\n');
if (!props.plain) {
const res: (VNode | string)[] = [];
for (const t of text.split('\n')) {
res.push(h('br'));
res.push(t);
}
res.shift();
return res;
} else {
return [text.replace(/\n/g, ' ')];
}
}
case 'bold': {
return [h('b', genEl(token.children, scale))];
}
case 'strike': {
return [h('del', genEl(token.children, scale))];
}
case 'italic': {
return h('i', {
style: 'font-style: oblique;',
}, genEl(token.children, scale));
}
case 'fn': {
// TODO: CSSを文字列で組み立てていくと token.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.props.name) {
case 'tada': {
const speed = validTime(token.props.args.speed) ?? '1s';
style = 'font-size: 150%;' + (useAnim ? `animation: tada ${speed} linear infinite both;` : '');
break;
}
case 'jelly': {
const speed = validTime(token.props.args.speed) ?? '1s';
style = (useAnim ? `animation: mfm-rubberBand ${speed} linear infinite both;` : '');
break;
}
case 'twitch': {
const speed = validTime(token.props.args.speed) ?? '0.5s';
style = useAnim ? `animation: mfm-twitch ${speed} ease infinite;` : '';
break;
}
case 'shake': {
const speed = validTime(token.props.args.speed) ?? '0.5s';
style = useAnim ? `animation: mfm-shake ${speed} ease infinite;` : '';
break;
}
case 'spin': {
const direction =
token.props.args.left ? 'reverse' :
token.props.args.alternate ? 'alternate' :
'normal';
const anime =
token.props.args.x ? 'mfm-spinX' :
token.props.args.y ? 'mfm-spinY' :
'mfm-spin';
const speed = validTime(token.props.args.speed) ?? '1.5s';
style = useAnim ? `animation: ${anime} ${speed} linear infinite; animation-direction: ${direction};` : '';
break;
}
case 'jump': {
const speed = validTime(token.props.args.speed) ?? '0.75s';
style = useAnim ? `animation: mfm-jump ${speed} linear infinite;` : '';
break;
}
case 'bounce': {
const speed = validTime(token.props.args.speed) ?? '0.75s';
style = useAnim ? `animation: mfm-bounce ${speed} linear infinite; transform-origin: center bottom;` : '';
break;
}
case 'flip': {
const transform =
(token.props.args.h && token.props.args.v) ? 'scale(-1, -1)' :
token.props.args.v ? 'scaleY(-1)' :
'scaleX(-1)';
style = `transform: ${transform};`;
break;
}
case 'x2': {
return h('span', {
class: 'mfm-x2',
}, genEl(token.children, scale * 2));
}
case 'x3': {
return h('span', {
class: 'mfm-x3',
}, genEl(token.children, scale * 3));
}
case 'x4': {
return h('span', {
class: 'mfm-x4',
}, genEl(token.children, scale * 4));
}
case 'font': {
const family =
token.props.args.serif ? 'serif' :
token.props.args.monospace ? 'monospace' :
token.props.args.cursive ? 'cursive' :
token.props.args.fantasy ? 'fantasy' :
token.props.args.emoji ? 'emoji' :
token.props.args.math ? 'math' :
null;
if (family) style = `font-family: ${family};`;
break;
}
case 'blur': {
return h('span', {
class: '_mfm_blur_',
}, genEl(token.children, scale));
}
case 'rainbow': {
const speed = validTime(token.props.args.speed) ?? '1s';
style = useAnim ? `animation: mfm-rainbow ${speed} linear infinite;` : '';
break;
}
case 'sparkle': {
if (!useAnim) {
return genEl(token.children, scale);
}
return h(MkSparkle, {}, genEl(token.children, scale));
}
case 'rotate': {
const degrees = parseFloat(token.props.args.deg ?? '90');
style = `transform: rotate(${degrees}deg); transform-origin: center center;`;
break;
}
case 'position': {
const x = parseFloat(token.props.args.x ?? '0');
const y = parseFloat(token.props.args.y ?? '0');
style = `transform: translateX(${x}em) translateY(${y}em);`;
break;
}
case 'scale': {
const x = Math.min(parseFloat(token.props.args.x ?? '1'), 5);
const y = Math.min(parseFloat(token.props.args.y ?? '1'), 5);
style = `transform: scale(${x}, ${y});`;
scale = scale * Math.max(x, y);
break;
}
case 'fg': {
let color = validColor(token.props.args.color);
if (!/^[0-9a-f]{3,6}$/i.test(color)) color = 'f00';
style = `color: #${color};`;
break;
}
case 'bg': {
let color = validColor(token.props.args.color);
if (!/^[0-9a-f]{3,6}$/i.test(color)) color = 'f00';
style = `background-color: #${color};`;
break;
}
case 'border': {
let color = validColor(token.props.args.color);
color = color ? `#${color}` : '#86b300';
let b_style = token.props.args.style;
if (typeof b_style !== 'string' ||
!['hidden', 'dotted', 'dashed', 'solid', 'double', 'groove', 'ridge', 'inset', 'outset']
.includes(b_style)
) b_style = 'solid';
const width = parseFloat(token.props.args.width ?? '1');
const radius = parseFloat(token.props.args.radius ?? '0');
style = `border: ${width}px ${b_style} ${color}; border-radius: ${radius}px;${token.props.args.noclip ? '' : ' overflow: clip;'}`;
break;
}
case 'ruby': {
if (token.children.length === 1) {
const child = token.children[0];
let text = child.type === 'text' ? child.props.text : '';
return h('ruby', {}, [text.split(' ')[0], h('rt', text.split(' ')[1])]);
} else {
const rt = token.children.at(-1)!;
let text = rt.type === 'text' ? rt.props.text : '';
return h('ruby', {}, [...genEl(token.children.slice(0, token.children.length - 1), scale), h('rt', text.trim())]);
}
}
}
if (style == null) {
return h('span', {}, ['$[', token.props.name, ' ', ...genEl(token.children, scale), ']']);
} else {
return h('span', {
style: 'display: inline-block; ' + style,
}, genEl(token.children, scale));
}
}
case 'small': {
return [h('small', {
style: 'opacity: 0.7;',
}, genEl(token.children, scale))];
}
case 'center': {
return [h('div', {
style: 'text-align:center;',
}, genEl(token.children, scale))];
}
case 'url': {
return [h(ProseAVue, {
key: Math.random(),
href: token.props.url,
target: '_blank',
rel: 'nofollow noopener',
}, token.props.url)];
}
case 'link': {
return [h(NuxtLink, {
key: Math.random(),
to: token.props.url,
target: '_blank',
rel: 'nofollow noopener',
}, genEl(token.children, scale))];
}
case 'mention': {
//@ts-ignore
return [h(MkMention, {
key: Math.random(),
host: (token.props.host) ?? props.baseHost,
localHost: props.baseHost,
username: token.props.username,
})];
}
case 'hashtag': {
return [h(NuxtLink, {
key: Math.random(),
to: `https://${props.baseHost ?? 'misskey.io'}/tags/${encodeURIComponent(token.props.hashtag)}`,
style: 'color:rgb(255, 145, 86);',
}, `#${token.props.hashtag}`)];
}
case 'quote': {
if (!props.nowrap) {
return [h('div', {
style: QUOTE_STYLE,
}, genEl(token.children, scale))];
} else {
return [h('span', {
style: QUOTE_STYLE,
}, genEl(token.children, scale))];
}
}
case 'emojiCode': {
if (props.customEmojis && props.customEmojis[token.props.name]) {
return [h(MkCustomEmoji, {
key: Math.random(),
name: token.props.name,
normal: props.plain,
useOriginalSize: scale >= 2.5,
url: props.customEmojis[token.props.name],
})]
}
return [h(MkCustomEmoji, {
key: Math.random(),
name: token.props.name,
normal: props.plain,
host: props.baseHost,
useOriginalSize: scale >= 2.5,
})];
}
case 'unicodeEmoji': {
return [h('img', {
style: 'display:inline;height:1.25em;vertical-align:-.25em;',
src: `https://cdn.jsdelivr.net/gh/jdecked/twemoji@latest/assets/svg/${token.props.emoji.codePointAt(0)?.toString(16)}.svg`,
})];
}
case 'mathInline': {
return [h('code', token.props.formula)];
}
case 'mathBlock': {
return [h('code', token.props.formula)];
}
case 'inlineCode': {
return [h('code', token.props.code)];
}
case 'blockCode': {
return [h('pre', {
class: 'p-4 bg-gray-200/50 rounded',
}, h('code', token.props.code))];
}
case 'search': {
return [h(MkGoogle, {
key: Math.random(),
q: token.props.query,
})];
}
case 'plain': {
return [h('span', genEl(token.children, scale))];
}
default: {
// eslint-disable-next-line @typescript-eslint/no-explicit-any
console.error('unrecognized ast type:', (token as any).type);
return [];
}
}
}).flat(Infinity) as (VNode | string)[];
return h('span', {
// https://codeday.me/jp/qa/20190424/690106.html
style: props.nowrap ? 'white-space: pre; word-wrap: normal; overflow: hidden; text-overflow: ellipsis;' : 'white-space: pre-wrap;',
}, genEl(ast, props.rootScale ?? 1));
}