368 lines
10 KiB
TypeScript
368 lines
10 KiB
TypeScript
import { VNode, h } from 'vue';
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import * as mfm from 'mfm-js';
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import * as Misskey from 'misskey-js';
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import MkUrl from '@/components/global/MkUrl.vue';
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import MkLink from '@/components/MkLink.vue';
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import MkMention from '@/components/MkMention.vue';
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import MkEmoji from '@/components/global/MkEmoji.vue';
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import MkCustomEmoji from '@/components/global/MkCustomEmoji.vue';
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import MkCode from '@/components/MkCode.vue';
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import MkGoogle from '@/components/MkGoogle.vue';
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import MkSparkle from '@/components/MkSparkle.vue';
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import MkA from '@/components/global/MkA.vue';
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import { host } from '@/config';
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import { defaultStore } from '@/store';
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const QUOTE_STYLE = `
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display: block;
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margin: 8px;
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padding: 6px 0 6px 12px;
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color: var(--fg);
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border-left: solid 3px var(--fg);
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opacity: 0.7;
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`.split('\n').join(' ');
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export default function(props: {
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text: string;
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plain?: boolean;
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nowrap?: boolean;
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author?: Misskey.entities.UserLite;
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i?: Misskey.entities.UserLite;
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isNote?: boolean;
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emojiUrls?: string[];
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rootScale?: number;
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}) {
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const isNote = props.isNote !== undefined ? props.isNote : true;
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if (props.text == null || props.text === '') return;
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const ast = (props.plain ? mfm.parseSimple : mfm.parse)(props.text);
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const validTime = (t: string | null | undefined) => {
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if (t == null) return null;
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return t.match(/^[0-9.]+s$/) ? t : null;
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};
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const useAnim = defaultStore.state.advancedMfm && defaultStore.state.animatedMfm;
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/**
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* Gen Vue Elements from MFM AST
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* @param ast MFM AST
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* @param scale How times large the text is
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*/
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const genEl = (ast: mfm.MfmNode[], scale: number) => ast.map((token): VNode | string | (VNode | string)[] => {
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switch (token.type) {
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case 'text': {
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const text = token.props.text.replace(/(\r\n|\n|\r)/g, '\n');
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if (!props.plain) {
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const res: (VNode | string)[] = [];
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for (const t of text.split('\n')) {
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res.push(h('br'));
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res.push(t);
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}
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res.shift();
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return res;
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} else {
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return [text.replace(/\n/g, ' ')];
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}
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}
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case 'bold': {
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return [h('b', genEl(token.children, scale))];
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}
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case 'strike': {
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return [h('del', genEl(token.children, scale))];
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}
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case 'italic': {
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return h('i', {
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style: 'font-style: oblique;',
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}, genEl(token.children, scale));
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}
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case 'fn': {
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// 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
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let style;
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switch (token.props.name) {
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case 'tada': {
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const speed = validTime(token.props.args.speed) ?? '1s';
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style = 'font-size: 150%;' + (useAnim ? `animation: tada ${speed} linear infinite both;` : '');
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break;
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}
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case 'jelly': {
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const speed = validTime(token.props.args.speed) ?? '1s';
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style = (useAnim ? `animation: mfm-rubberBand ${speed} linear infinite both;` : '');
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break;
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}
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case 'twitch': {
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const speed = validTime(token.props.args.speed) ?? '0.5s';
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style = useAnim ? `animation: mfm-twitch ${speed} ease infinite;` : '';
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break;
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}
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case 'shake': {
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const speed = validTime(token.props.args.speed) ?? '0.5s';
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style = useAnim ? `animation: mfm-shake ${speed} ease infinite;` : '';
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break;
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}
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case 'spin': {
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const direction =
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token.props.args.left ? 'reverse' :
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token.props.args.alternate ? 'alternate' :
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'normal';
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const anime =
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token.props.args.x ? 'mfm-spinX' :
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token.props.args.y ? 'mfm-spinY' :
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'mfm-spin';
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const speed = validTime(token.props.args.speed) ?? '1.5s';
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style = useAnim ? `animation: ${anime} ${speed} linear infinite; animation-direction: ${direction};` : '';
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break;
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}
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case 'jump': {
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const speed = validTime(token.props.args.speed) ?? '0.75s';
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style = useAnim ? `animation: mfm-jump ${speed} linear infinite;` : '';
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break;
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}
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case 'bounce': {
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const speed = validTime(token.props.args.speed) ?? '0.75s';
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style = useAnim ? `animation: mfm-bounce ${speed} linear infinite; transform-origin: center bottom;` : '';
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break;
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}
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case 'flip': {
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const transform =
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(token.props.args.h && token.props.args.v) ? 'scale(-1, -1)' :
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token.props.args.v ? 'scaleY(-1)' :
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'scaleX(-1)';
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style = `transform: ${transform};`;
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break;
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}
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case 'x2': {
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return h('span', {
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class: defaultStore.state.advancedMfm ? 'mfm-x2' : '',
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}, genEl(token.children, scale * 2));
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}
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case 'x3': {
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return h('span', {
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class: defaultStore.state.advancedMfm ? 'mfm-x3' : '',
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}, genEl(token.children, scale * 3));
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}
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case 'x4': {
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return h('span', {
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class: defaultStore.state.advancedMfm ? 'mfm-x4' : '',
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}, genEl(token.children, scale * 4));
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}
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case 'font': {
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const family =
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token.props.args.serif ? 'serif' :
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token.props.args.monospace ? 'monospace' :
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token.props.args.cursive ? 'cursive' :
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token.props.args.fantasy ? 'fantasy' :
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token.props.args.emoji ? 'emoji' :
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token.props.args.math ? 'math' :
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null;
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if (family) style = `font-family: ${family};`;
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break;
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}
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case 'blur': {
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return h('span', {
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class: '_mfm_blur_',
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}, genEl(token.children, scale));
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}
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case 'rainbow': {
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const speed = validTime(token.props.args.speed) ?? '1s';
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style = useAnim ? `animation: mfm-rainbow ${speed} linear infinite;` : '';
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break;
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}
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case 'sparkle': {
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if (!useAnim) {
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return genEl(token.children, scale);
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}
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return h(MkSparkle, {}, genEl(token.children, scale));
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}
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case 'rotate': {
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const degrees = parseFloat(token.props.args.deg ?? '90');
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style = `transform: rotate(${degrees}deg); transform-origin: center center;`;
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break;
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}
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case 'position': {
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if (!defaultStore.state.advancedMfm) break;
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const x = parseFloat(token.props.args.x ?? '0');
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const y = parseFloat(token.props.args.y ?? '0');
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style = `transform: translateX(${x}em) translateY(${y}em);`;
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break;
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}
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case 'scale': {
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if (!defaultStore.state.advancedMfm) {
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style = '';
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break;
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}
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const x = Math.min(parseFloat(token.props.args.x ?? '1'), 5);
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const y = Math.min(parseFloat(token.props.args.y ?? '1'), 5);
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style = `transform: scale(${x}, ${y});`;
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scale = scale * Math.max(x, y);
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break;
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}
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case 'fg': {
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let color = token.props.args.color;
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if (!/^[0-9a-f]{3,6}$/i.test(color)) color = 'f00';
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style = `color: #${color};`;
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break;
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}
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case 'bg': {
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let color = token.props.args.color;
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if (!/^[0-9a-f]{3,6}$/i.test(color)) color = 'f00';
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style = `background-color: #${color};`;
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break;
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}
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}
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if (style == null) {
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return h('span', {}, ['$[', token.props.name, ' ', ...genEl(token.children, scale), ']']);
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} else {
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return h('span', {
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style: 'display: inline-block; ' + style,
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}, genEl(token.children, scale));
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}
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}
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case 'small': {
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return [h('small', {
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style: 'opacity: 0.7;',
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}, genEl(token.children, scale))];
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}
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case 'center': {
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return [h('div', {
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style: 'text-align:center;',
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}, genEl(token.children, scale))];
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}
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case 'url': {
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return [h(MkUrl, {
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key: Math.random(),
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url: token.props.url,
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rel: 'nofollow noopener',
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})];
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}
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case 'link': {
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return [h(MkLink, {
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key: Math.random(),
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url: token.props.url,
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rel: 'nofollow noopener',
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}, genEl(token.children, scale))];
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}
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case 'mention': {
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return [h(MkMention, {
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key: Math.random(),
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host: (token.props.host == null && props.author && props.author.host != null ? props.author.host : token.props.host) || host,
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username: token.props.username,
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})];
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}
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case 'hashtag': {
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return [h(MkA, {
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key: Math.random(),
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to: isNote ? `/tags/${encodeURIComponent(token.props.hashtag)}` : `/user-tags/${encodeURIComponent(token.props.hashtag)}`,
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style: 'color:var(--hashtag);',
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}, `#${token.props.hashtag}`)];
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}
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case 'blockCode': {
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return [h(MkCode, {
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key: Math.random(),
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code: token.props.code,
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lang: token.props.lang,
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})];
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}
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case 'inlineCode': {
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return [h(MkCode, {
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key: Math.random(),
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code: token.props.code,
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inline: true,
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})];
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}
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case 'quote': {
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if (!props.nowrap) {
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return [h('div', {
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style: QUOTE_STYLE,
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}, genEl(token.children, scale))];
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} else {
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return [h('span', {
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style: QUOTE_STYLE,
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}, genEl(token.children, scale))];
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}
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}
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case 'emojiCode': {
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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if (props.author?.host == null) {
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return [h(MkCustomEmoji, {
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key: Math.random(),
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name: token.props.name,
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normal: props.plain,
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host: null,
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useOriginalSize: scale >= 2.5,
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})];
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} else {
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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if (props.emojiUrls && (props.emojiUrls[token.props.name] == null)) {
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return [h('span', `:${token.props.name}:`)];
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} else {
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return [h(MkCustomEmoji, {
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key: Math.random(),
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name: token.props.name,
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// eslint-disable-next-line @typescript-eslint/no-unnecessary-condition
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url: props.emojiUrls ? props.emojiUrls[token.props.name] : null,
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normal: props.plain,
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host: props.author.host,
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useOriginalSize: scale >= 2.5,
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})];
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}
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}
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}
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case 'unicodeEmoji': {
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return [h(MkEmoji, {
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key: Math.random(),
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emoji: token.props.emoji,
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})];
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}
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case 'mathInline': {
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return [h('code', token.props.formula)];
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}
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case 'mathBlock': {
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return [h('code', token.props.formula)];
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}
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case 'search': {
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return [h(MkGoogle, {
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key: Math.random(),
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q: token.props.query,
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})];
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}
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case 'plain': {
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return [h('span', genEl(token.children, scale))];
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}
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default: {
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// eslint-disable-next-line @typescript-eslint/no-explicit-any
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console.error('unrecognized ast type:', (token as any).type);
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return [];
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}
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}
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}).flat(Infinity) as (VNode | string)[];
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return h('span', {
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// https://codeday.me/jp/qa/20190424/690106.html
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style: props.nowrap ? 'white-space: pre; word-wrap: normal; overflow: hidden; text-overflow: ellipsis;' : 'white-space: pre-wrap;',
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}, genEl(ast, props.rootScale ?? 1));
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}
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