313 lines
7.8 KiB
TypeScript
313 lines
7.8 KiB
TypeScript
import Vue, { VNode } from 'vue';
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import { length } from 'stringz';
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import { MfmForest } from '../../../../../mfm/types';
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import parse from '../../../../../mfm/parse';
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import MkUrl from './url.vue';
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import MkMention from './mention.vue';
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import { concat, sum } from '../../../../../prelude/array';
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import MkFormula from './formula.vue';
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import MkCode from './code.vue';
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import MkGoogle from './google.vue';
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import { host } from '../../../config';
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import { preorderF, countNodesF } from '../../../../../prelude/tree';
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function sumTextsLength(ts: MfmForest): number {
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const textNodes = preorderF(ts).filter(n => n.type === 'text');
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return sum(textNodes.map(x => length(x.props.text)));
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}
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export default Vue.component('misskey-flavored-markdown', {
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props: {
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text: {
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type: String,
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required: true
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},
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shouldBreak: {
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type: Boolean,
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default: true
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},
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plainText: {
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type: Boolean,
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default: false
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},
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author: {
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type: Object,
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default: null
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},
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i: {
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type: Object,
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default: null
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},
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customEmojis: {
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required: false,
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}
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},
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render(createElement) {
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if (this.text == null || this.text == '') return;
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const ast = parse(this.text, this.plainText);
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let bigCount = 0;
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let motionCount = 0;
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const genEl = (ast: MfmForest) => concat(ast.map((token): VNode[] => {
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switch (token.node.type) {
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case 'text': {
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const text = token.node.props.text.replace(/(\r\n|\n|\r)/g, '\n');
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if (this.shouldBreak) {
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const x = text.split('\n')
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.map(t => t == '' ? [createElement('br')] : [createElement('span', t), createElement('br')]);
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x[x.length - 1].pop();
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return x;
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} else {
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return [createElement('span', text.replace(/\n/g, ' '))];
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}
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}
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case 'bold': {
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return [createElement('b', genEl(token.children))];
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}
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case 'strike': {
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return [createElement('del', genEl(token.children))];
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}
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case 'italic': {
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return (createElement as any)('i', {
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attrs: {
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style: 'font-style: oblique;'
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},
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}, genEl(token.children));
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}
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case 'big': {
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bigCount++;
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const isLong = sumTextsLength(token.children) > 15 || countNodesF(token.children) > 5;
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const isMany = bigCount > 3;
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return (createElement as any)('strong', {
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attrs: {
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style: `display: inline-block; font-size: ${ isMany ? '100%' : '150%' };`
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},
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directives: [this.$store.state.settings.disableAnimatedMfm || isLong || isMany ? {} : {
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name: 'animate-css',
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value: { classes: 'tada', iteration: 'infinite' }
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}]
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}, genEl(token.children));
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}
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case 'small': {
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return [createElement('small', genEl(token.children))];
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}
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case 'center': {
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return [createElement('div', {
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attrs: {
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style: 'text-align:center;'
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}
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}, genEl(token.children))];
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}
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case 'motion': {
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motionCount++;
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const isLong = sumTextsLength(token.children) > 15 || countNodesF(token.children) > 5;
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const isMany = motionCount > 5;
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return (createElement as any)('span', {
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attrs: {
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style: 'display: inline-block;'
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},
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directives: [this.$store.state.settings.disableAnimatedMfm || isLong || isMany ? {} : {
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name: 'animate-css',
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value: { classes: 'rubberBand', iteration: 'infinite' }
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}]
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}, genEl(token.children));
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}
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case 'spin': {
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motionCount++;
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const isLong = sumTextsLength(token.children) > 5 || countNodesF(token.children) > 3;
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const isMany = motionCount > 5;
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const direction =
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token.node.props.attr == 'left' ? 'reverse' :
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token.node.props.attr == 'alternate' ? 'alternate' :
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'normal';
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const style = (this.$store.state.settings.disableAnimatedMfm || isLong || isMany)
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? ''
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: `animation: spin 1.5s linear infinite; animation-direction: ${direction};`;
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return (createElement as any)('span', {
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attrs: {
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style: 'display: inline-block;' + style
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},
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}, genEl(token.children));
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}
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case 'jump': {
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motionCount++;
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const isLong = sumTextsLength(token.children) > 5 || countNodesF(token.children) > 3;
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const isMany = motionCount > 5;
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return (createElement as any)('span', {
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attrs: {
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style: (this.$store.state.settings.disableAnimatedMfm || isLong || isMany) ? 'display: inline-block;' : 'display: inline-block; animation: jump 0.75s linear infinite;'
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},
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}, genEl(token.children));
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}
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case 'flip': {
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return (createElement as any)('span', {
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attrs: {
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style: 'display: inline-block; transform: scaleX(-1);'
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},
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}, genEl(token.children));
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}
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case 'url': {
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return [createElement(MkUrl, {
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key: Math.random(),
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props: {
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url: token.node.props.url,
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target: '_blank'
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},
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attrs: {
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style: 'color:var(--mfmUrl);'
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}
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})];
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}
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case 'link': {
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return [createElement('a', {
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attrs: {
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class: 'link',
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href: token.node.props.url,
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target: '_blank',
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title: token.node.props.url,
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style: 'color:var(--mfmLink);'
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}
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}, genEl(token.children))];
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}
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case 'mention': {
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return [createElement(MkMention, {
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key: Math.random(),
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props: {
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host: (token.node.props.host == null && this.author && this.author.host != null ? this.author.host : token.node.props.host) || host,
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username: token.node.props.username
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}
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})];
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}
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case 'hashtag': {
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return [createElement('router-link', {
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key: Math.random(),
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attrs: {
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to: `/tags/${encodeURIComponent(token.node.props.hashtag)}`,
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style: 'color:var(--mfmHashtag);'
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}
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}, `#${token.node.props.hashtag}`)];
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}
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case 'blockCode': {
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return [createElement(MkCode, {
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key: Math.random(),
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props: {
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code: token.node.props.code,
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lang: token.node.props.lang,
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}
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})];
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}
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case 'inlineCode': {
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return [createElement(MkCode, {
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key: Math.random(),
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props: {
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code: token.node.props.code,
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lang: token.node.props.lang,
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inline: true
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}
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})];
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}
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case 'quote': {
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if (this.shouldBreak) {
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return [createElement('div', {
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attrs: {
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class: 'quote'
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}
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}, genEl(token.children))];
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} else {
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return [createElement('span', {
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attrs: {
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class: 'quote'
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}
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}, genEl(token.children))];
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}
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}
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case 'title': {
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return [createElement('div', {
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attrs: {
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class: 'title'
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}
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}, genEl(token.children))];
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}
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case 'emoji': {
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const customEmojis = (this.$root.getMetaSync() || { emojis: [] }).emojis || [];
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return [createElement('mk-emoji', {
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key: Math.random(),
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attrs: {
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emoji: token.node.props.emoji,
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name: token.node.props.name
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},
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props: {
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customEmojis: this.customEmojis || customEmojis,
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normal: this.plainText
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}
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})];
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}
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case 'mathInline': {
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//const MkFormula = () => import('./formula.vue').then(m => m.default);
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return [createElement(MkFormula, {
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key: Math.random(),
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props: {
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formula: token.node.props.formula,
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block: false
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}
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})];
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}
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case 'mathBlock': {
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//const MkFormula = () => import('./formula.vue').then(m => m.default);
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return [createElement(MkFormula, {
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key: Math.random(),
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props: {
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formula: token.node.props.formula,
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block: true
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}
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})];
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}
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case 'search': {
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//const MkGoogle = () => import('./google.vue').then(m => m.default);
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return [createElement(MkGoogle, {
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key: Math.random(),
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props: {
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q: token.node.props.query
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}
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})];
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}
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default: {
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console.log('unknown ast type:', token.node.type);
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return [];
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}
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}
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}));
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// Parse ast to DOM
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return createElement('span', genEl(ast));
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}
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});
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