misskey/packages/frontend/src/components/global/MkMisskeyFlavoredMarkdown.ts

470 lines
15 KiB
TypeScript

/*
* SPDX-FileCopyrightText: syuilo and misskey-project
* SPDX-License-Identifier: AGPL-3.0-only
*/
import { VNode, h, SetupContext } from 'vue';
import * as mfm from 'mfm-js';
import * as Misskey from 'misskey-js';
import MkUrl from '@/components/global/MkUrl.vue';
import MkTime from '@/components/global/MkTime.vue';
import MkLink from '@/components/MkLink.vue';
import MkMention from '@/components/MkMention.vue';
import MkEmoji from '@/components/global/MkEmoji.vue';
import MkCustomEmoji from '@/components/global/MkCustomEmoji.vue';
import MkCode from '@/components/MkCode.vue';
import MkCodeInline from '@/components/MkCodeInline.vue';
import MkGoogle from '@/components/MkGoogle.vue';
import MkSparkle from '@/components/MkSparkle.vue';
import MkA from '@/components/global/MkA.vue';
import { host } from '@/config.js';
import { defaultStore } from '@/store.js';
import { nyaize as doNyaize } from '@/scripts/nyaize.js';
import { safeParseFloat } from '@/scripts/safe-parse.js';
const QUOTE_STYLE = `
display: block;
margin: 8px;
padding: 6px 0 6px 12px;
color: var(--fg);
border-left: solid 3px var(--fg);
opacity: 0.7;
`.split('\n').join(' ');
type MfmProps = {
text: string;
plain?: boolean;
nowrap?: boolean;
author?: Misskey.entities.UserLite;
isNote?: boolean;
emojiUrls?: Record<string, string>;
rootScale?: number;
nyaize?: boolean | 'respect';
parsedNodes?: mfm.MfmNode[] | null;
enableEmojiMenu?: boolean;
enableEmojiMenuReaction?: boolean;
};
type MfmEvents = {
clickEv(id: string): void;
};
// eslint-disable-next-line import/no-default-export
export default function (props: MfmProps, { emit }: { emit: SetupContext<MfmEvents>['emit'] }) {
const isNote = props.isNote ?? true;
const shouldNyaize = props.nyaize ? props.nyaize === 'respect' ? props.author?.isCat : false : false;
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
if (props.text == null || props.text === '') return;
const rootAst = props.parsedNodes ?? (props.plain ? mfm.parseSimple : mfm.parse)(props.text);
const validTime = (t: string | boolean | null | undefined) => {
if (t == null) return null;
if (typeof t === 'boolean') return null;
return t.match(/^[0-9.]+s$/) ? t : null;
};
const validColor = (c: unknown): string | null => {
if (typeof c !== 'string') return null;
return c.match(/^[0-9a-f]{3,6}$/i) ? c : null;
};
const useAnim = defaultStore.state.advancedMfm && defaultStore.state.animatedMfm;
/**
* Gen Vue Elements from MFM AST
* @param ast MFM AST
* @param scale How times large the text is
* @param disableNyaize Whether nyaize is disabled or not
*/
const genEl = (ast: mfm.MfmNode[], scale: number, disableNyaize = false) => ast.map((token): VNode | string | (VNode | string)[] => {
switch (token.type) {
case 'text': {
let text = token.props.text.replace(/(\r\n|\n|\r)/g, '\n');
if (!disableNyaize && shouldNyaize) {
text = doNyaize(text);
}
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: string | undefined;
switch (token.props.name) {
case 'tada': {
const speed = validTime(token.props.args.speed) ?? '1s';
const delay = validTime(token.props.args.delay) ?? '0s';
style = 'font-size: 150%;' + (useAnim ? `animation: global-tada ${speed} linear infinite both; animation-delay: ${delay};` : '');
break;
}
case 'jelly': {
const speed = validTime(token.props.args.speed) ?? '1s';
const delay = validTime(token.props.args.delay) ?? '0s';
style = (useAnim ? `animation: mfm-rubberBand ${speed} linear infinite both; animation-delay: ${delay};` : '');
break;
}
case 'twitch': {
const speed = validTime(token.props.args.speed) ?? '0.5s';
const delay = validTime(token.props.args.delay) ?? '0s';
style = useAnim ? `animation: mfm-twitch ${speed} ease infinite; animation-delay: ${delay};` : '';
break;
}
case 'shake': {
const speed = validTime(token.props.args.speed) ?? '0.5s';
const delay = validTime(token.props.args.delay) ?? '0s';
style = useAnim ? `animation: mfm-shake ${speed} ease infinite; animation-delay: ${delay};` : '';
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';
const delay = validTime(token.props.args.delay) ?? '0s';
style = useAnim ? `animation: ${anime} ${speed} linear infinite; animation-direction: ${direction}; animation-delay: ${delay};` : '';
break;
}
case 'jump': {
const speed = validTime(token.props.args.speed) ?? '0.75s';
const delay = validTime(token.props.args.delay) ?? '0s';
style = useAnim ? `animation: mfm-jump ${speed} linear infinite; animation-delay: ${delay};` : '';
break;
}
case 'bounce': {
const speed = validTime(token.props.args.speed) ?? '0.75s';
const delay = validTime(token.props.args.delay) ?? '0s';
style = useAnim ? `animation: mfm-bounce ${speed} linear infinite; transform-origin: center bottom; animation-delay: ${delay};` : '';
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: defaultStore.state.advancedMfm ? 'mfm-x2' : '',
}, genEl(token.children, scale * 2));
}
case 'x3': {
return h('span', {
class: defaultStore.state.advancedMfm ? 'mfm-x3' : '',
}, genEl(token.children, scale * 3));
}
case 'x4': {
return h('span', {
class: defaultStore.state.advancedMfm ? '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': {
if (!useAnim) {
return h('span', {
class: '_mfm_rainbow_fallback_',
}, genEl(token.children, scale));
}
const speed = validTime(token.props.args.speed) ?? '1s';
const delay = validTime(token.props.args.delay) ?? '0s';
style = `animation: mfm-rainbow ${speed} linear infinite; animation-delay: ${delay};`;
break;
}
case 'sparkle': {
if (!useAnim) {
return genEl(token.children, scale);
}
return h(MkSparkle, {}, genEl(token.children, scale));
}
case 'rotate': {
const degrees = safeParseFloat(token.props.args.deg) ?? 90;
style = `transform: rotate(${degrees}deg); transform-origin: center center;`;
break;
}
case 'position': {
if (!defaultStore.state.advancedMfm) break;
const x = safeParseFloat(token.props.args.x) ?? 0;
const y = safeParseFloat(token.props.args.y) ?? 0;
style = `transform: translateX(${x}em) translateY(${y}em);`;
break;
}
case 'scale': {
if (!defaultStore.state.advancedMfm) {
style = '';
break;
}
const x = Math.min(safeParseFloat(token.props.args.x) ?? 1, 5);
const y = Math.min(safeParseFloat(token.props.args.y) ?? 1, 5);
style = `transform: scale(${x}, ${y});`;
scale = scale * Math.max(x, y);
break;
}
case 'fg': {
let color = validColor(token.props.args.color);
color = color ?? 'f00';
style = `color: #${color}; overflow-wrap: anywhere;`;
break;
}
case 'bg': {
let color = validColor(token.props.args.color);
color = color ?? 'f00';
style = `background-color: #${color}; overflow-wrap: anywhere;`;
break;
}
case 'border': {
let color = validColor(token.props.args.color);
color = color ? `#${color}` : 'var(--accent)';
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 = safeParseFloat(token.props.args.width) ?? 1;
const radius = safeParseFloat(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 : '';
if (!disableNyaize && shouldNyaize) {
text = doNyaize(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 : '';
if (!disableNyaize && shouldNyaize) {
text = doNyaize(text);
}
return h('ruby', {}, [...genEl(token.children.slice(0, token.children.length - 1), scale), h('rt', text.trim())]);
}
}
case 'unixtime': {
const child = token.children[0];
const unixtime = parseInt(child.type === 'text' ? child.props.text : '');
return h('span', {
style: 'display: inline-block; font-size: 90%; border: solid 1px var(--divider); border-radius: 999px; padding: 4px 10px 4px 6px;',
}, [
h('i', {
class: 'ti ti-clock',
style: 'margin-right: 0.25em;',
}),
h(MkTime, {
key: Math.random(),
time: unixtime * 1000,
mode: 'detail',
}),
]);
}
case 'clickable': {
return h('span', { onClick(ev: MouseEvent): void {
ev.stopPropagation();
ev.preventDefault();
const clickEv = typeof token.props.args.ev === 'string' ? token.props.args.ev : '';
emit('clickEv', clickEv);
} }, genEl(token.children, scale));
}
}
if (style === undefined) {
return h('span', {}, ['$[', token.props.name, ' ', ...genEl(token.children, scale), ']']);
} else {
return h('span', {
style: 'display: inline-block; ' + style,
}, genEl(token.children, scale));
}
}
case 'small': {
return [h('small', {
style: 'opacity: 0.7;',
}, genEl(token.children, scale))];
}
case 'center': {
return [h('div', {
style: 'text-align:center;',
}, genEl(token.children, scale))];
}
case 'url': {
return [h(MkUrl, {
key: Math.random(),
url: token.props.url,
rel: 'nofollow noopener',
})];
}
case 'link': {
return [h(MkLink, {
key: Math.random(),
url: token.props.url,
rel: 'nofollow noopener',
}, genEl(token.children, scale, true))];
}
case 'mention': {
return [h(MkMention, {
key: Math.random(),
host: (token.props.host == null && props.author && props.author.host != null ? props.author.host : token.props.host) ?? host,
username: token.props.username,
})];
}
case 'hashtag': {
return [h(MkA, {
key: Math.random(),
to: isNote ? `/tags/${encodeURIComponent(token.props.hashtag)}` : `/user-tags/${encodeURIComponent(token.props.hashtag)}`,
style: 'color:var(--hashtag);',
}, `#${token.props.hashtag}`)];
}
case 'blockCode': {
return [h(MkCode, {
key: Math.random(),
code: token.props.code,
lang: token.props.lang ?? undefined,
})];
}
case 'inlineCode': {
return [h(MkCodeInline, {
key: Math.random(),
code: token.props.code,
})];
}
case 'quote': {
if (!props.nowrap) {
return [h('div', {
style: QUOTE_STYLE,
}, genEl(token.children, scale, true))];
} else {
return [h('span', {
style: QUOTE_STYLE,
}, genEl(token.children, scale, true))];
}
}
case 'emojiCode': {
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
if (props.author?.host == null) {
return [h(MkCustomEmoji, {
key: Math.random(),
name: token.props.name,
normal: props.plain,
host: null,
useOriginalSize: scale >= 2.5,
menu: props.enableEmojiMenu,
menuReaction: props.enableEmojiMenuReaction,
})];
} else {
// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
if (props.emojiUrls && (props.emojiUrls[token.props.name] == null)) {
return [h('span', `:${token.props.name}:`)];
} else {
return [h(MkCustomEmoji, {
key: Math.random(),
name: token.props.name,
url: props.emojiUrls && props.emojiUrls[token.props.name],
normal: props.plain,
host: props.author.host,
useOriginalSize: scale >= 2.5,
})];
}
}
}
case 'unicodeEmoji': {
return [h(MkEmoji, {
key: Math.random(),
emoji: token.props.emoji,
menu: props.enableEmojiMenu,
menuReaction: props.enableEmojiMenuReaction,
})];
}
case 'mathInline': {
return [h('code', token.props.formula)];
}
case 'mathBlock': {
return [h('code', token.props.formula)];
}
case 'search': {
return [h(MkGoogle, {
key: Math.random(),
q: token.props.query,
})];
}
case 'plain': {
return [h('span', genEl(token.children, scale, true))];
}
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(rootAst, props.rootScale ?? 1));
}