import Vue, { VNode } from 'vue'; import { length } from 'stringz'; import { Node } from '../../../../../mfm/parser'; import parse from '../../../../../mfm/parse'; import MkUrl from './url.vue'; import { concat } from '../../../../../prelude/array'; import MkFormula from './formula.vue'; import MkGoogle from './google.vue'; import { toUnicode } from 'punycode'; import syntaxHighlight from '../../../../../mfm/syntax-highlight'; function getTextCount(tokens: Node[]): number { let count = 0; const extract = (tokens: Node[]) => { tokens.filter(x => x.name === 'text').forEach(x => { count += length(x.props.text); }); tokens.filter(x => x.children).forEach(x => { extract(x.children); }); }; extract(tokens); return count; } function getChildrenCount(tokens: Node[]): number { let count = 0; const extract = (tokens: Node[]) => { tokens.filter(x => x.children).forEach(x => { count++; extract(x.children); }); }; extract(tokens); return count; } export default Vue.component('misskey-flavored-markdown', { props: { text: { type: String, required: true }, ast: { type: [], required: false }, shouldBreak: { type: Boolean, default: true }, author: { type: Object, default: null }, i: { type: Object, default: null }, customEmojis: { required: false, } }, render(createElement) { if (this.text == null || this.text == '') return; let ast: Node[]; if (this.ast == null) { // Parse text to ast ast = parse(this.text); } else { ast = this.ast as Node[]; } let bigCount = 0; let motionCount = 0; const genEl = (ast: Node[]) => concat(ast.map((token): VNode[] => { switch (token.name) { case 'text': { const text = token.props.text.replace(/(\r\n|\n|\r)/g, '\n'); if (this.shouldBreak) { const x = text.split('\n') .map(t => t == '' ? [createElement('br')] : [createElement('span', t), createElement('br')]); x[x.length - 1].pop(); return x; } else { return [createElement('span', text.replace(/\n/g, ' '))]; } } case 'bold': { return [createElement('b', genEl(token.children))]; } case 'big': { bigCount++; const isLong = getTextCount(token.children) > 10 || getChildrenCount(token.children) > 5; const isMany = bigCount > 3; return (createElement as any)('strong', { attrs: { style: `display: inline-block; font-size: ${ isMany ? '100%' : '150%' };` }, directives: [this.$store.state.settings.disableAnimatedMfm || isLong || isMany ? {} : { name: 'animate-css', value: { classes: 'tada', iteration: 'infinite' } }] }, genEl(token.children)); } case 'motion': { motionCount++; const isLong = getTextCount(token.children) > 10 || getChildrenCount(token.children) > 5; const isMany = motionCount > 3; return (createElement as any)('span', { attrs: { style: 'display: inline-block;' }, directives: [this.$store.state.settings.disableAnimatedMfm || isLong || isMany ? {} : { name: 'animate-css', value: { classes: 'rubberBand', iteration: 'infinite' } }] }, genEl(token.children)); } case 'url': { return [createElement(MkUrl, { key: Math.random(), props: { url: token.props.url, target: '_blank', style: 'color:var(--mfmLink);' } })]; } case 'link': { return [createElement('a', { attrs: { class: 'link', href: token.props.url, target: '_blank', title: token.props.url, style: 'color:var(--mfmLink);' } }, genEl(token.children))]; } case 'mention': { const host = token.props.host == null && this.author && this.author.host != null ? this.author.host : token.props.host; const canonical = host != null ? `@${token.props.username}@${toUnicode(host)}` : `@${token.props.username}`; return (createElement as any)('router-link', { key: Math.random(), attrs: { to: `/${canonical}`, // TODO //dataIsMe: (this as any).i && getAcct((this as any).i) == getAcct(token), style: 'color:var(--mfmMention);' }, directives: [{ name: 'user-preview', value: canonical }] }, canonical); } case 'hashtag': { return [createElement('router-link', { key: Math.random(), attrs: { to: `/tags/${encodeURIComponent(token.props.hashtag)}`, style: 'color:var(--mfmHashtag);' } }, `#${token.props.hashtag}`)]; } case 'blockCode': { return [createElement('pre', { class: 'code' }, [ createElement('code', { domProps: { innerHTML: syntaxHighlight(token.props.code) } }) ])]; } case 'inlineCode': { return [createElement('code', { domProps: { innerHTML: syntaxHighlight(token.props.code) } })]; } case 'quote': { if (this.shouldBreak) { return [createElement('div', { attrs: { class: 'quote' } }, genEl(token.children))]; } else { return [createElement('span', { attrs: { class: 'quote' } }, genEl(token.children))]; } } case 'title': { return [createElement('div', { attrs: { class: 'title' } }, genEl(token.children))]; } case 'emoji': { const customEmojis = (this.$root.getMetaSync() || { emojis: [] }).emojis || []; return [createElement('mk-emoji', { key: Math.random(), attrs: { emoji: token.props.emoji, name: token.props.name }, props: { customEmojis: this.customEmojis || customEmojis } })]; } case 'math': { //const MkFormula = () => import('./formula.vue').then(m => m.default); return [createElement(MkFormula, { key: Math.random(), props: { formula: token.props.formula } })]; } case 'search': { //const MkGoogle = () => import('./google.vue').then(m => m.default); return [createElement(MkGoogle, { key: Math.random(), props: { q: token.props.query } })]; } default: { console.log('unknown ast type:', token.name); return []; } } })); // Parse ast to DOM return createElement('span', genEl(ast)); } });