forked from mirror/misskey
119 lines
2.9 KiB
TypeScript
119 lines
2.9 KiB
TypeScript
import { MfmForest, MfmTree } from './prelude';
|
|
import { nyaize } from '../misc/nyaize';
|
|
|
|
export type RestoreOptions = {
|
|
doNyaize?: boolean;
|
|
};
|
|
|
|
export function toString(tokens: MfmForest | null, opts?: RestoreOptions): string {
|
|
|
|
if (tokens === null) return '';
|
|
|
|
function appendChildren(children: MfmForest, opts?: RestoreOptions): string {
|
|
return children.map(t => handlers[t.node.type](t, opts)).join('');
|
|
}
|
|
|
|
const handlers: { [key: string]: (token: MfmTree, opts?: RestoreOptions) => string } = {
|
|
bold(token, opts) {
|
|
return `**${appendChildren(token.children, opts)}**`;
|
|
},
|
|
|
|
big(token, opts) {
|
|
return `***${appendChildren(token.children, opts)}***`;
|
|
},
|
|
|
|
small(token, opts) {
|
|
return `<small>${appendChildren(token.children, opts)}</small>`;
|
|
},
|
|
|
|
strike(token, opts) {
|
|
return `~~${appendChildren(token.children, opts)}~~`;
|
|
},
|
|
|
|
italic(token, opts) {
|
|
return `<i>${appendChildren(token.children, opts)}</i>`;
|
|
},
|
|
|
|
motion(token, opts) {
|
|
return `<motion>${appendChildren(token.children, opts)}</motion>`;
|
|
},
|
|
|
|
spin(token, opts) {
|
|
const attr = token.node.props?.attr;
|
|
const post = attr ? ` ${attr}` : '';
|
|
return `<spin${post}>${appendChildren(token.children, opts)}</spin>`;
|
|
},
|
|
|
|
jump(token, opts) {
|
|
return `<jump>${appendChildren(token.children, opts)}</jump>`;
|
|
},
|
|
|
|
flip(token, opts) {
|
|
return `<flip>${appendChildren(token.children, opts)}</flip>`;
|
|
},
|
|
|
|
blockCode(token) {
|
|
return `\`\`\`${token.node.props.lang || ''}\n${token.node.props.code}\n\`\`\`\n`;
|
|
},
|
|
|
|
center(token, opts) {
|
|
return `<center>${appendChildren(token.children, opts)}</center>`;
|
|
},
|
|
|
|
emoji(token) {
|
|
return (token.node.props.emoji ? token.node.props.emoji : `:${token.node.props.name}:`);
|
|
},
|
|
|
|
hashtag(token) {
|
|
return `#${token.node.props.hashtag}`;
|
|
},
|
|
|
|
inlineCode(token) {
|
|
return `\`${token.node.props.code}\``;
|
|
},
|
|
|
|
mathInline(token) {
|
|
return `\\(${token.node.props.formula}\\)`;
|
|
},
|
|
|
|
mathBlock(token) {
|
|
return `\\[${token.node.props.formula}\\]`;
|
|
},
|
|
|
|
link(token, opts) {
|
|
if (token.node.props.silent) {
|
|
return `?[${appendChildren(token.children, opts)}](${token.node.props.url})`;
|
|
} else {
|
|
return `[${appendChildren(token.children, opts)}](${token.node.props.url})`;
|
|
}
|
|
},
|
|
|
|
mention(token) {
|
|
return token.node.props.canonical;
|
|
},
|
|
|
|
quote(token) {
|
|
return `${appendChildren(token.children, {doNyaize: false}).replace(/^/gm,'>').trim()}\n`;
|
|
},
|
|
|
|
title(token, opts) {
|
|
return `[${appendChildren(token.children, opts)}]\n`;
|
|
},
|
|
|
|
text(token, opts) {
|
|
return (opts && opts.doNyaize) ? nyaize(token.node.props.text) : token.node.props.text;
|
|
},
|
|
|
|
url(token) {
|
|
return `<${token.node.props.url}>`;
|
|
},
|
|
|
|
search(token, opts) {
|
|
const query = token.node.props.query;
|
|
return `${(opts && opts.doNyaize ? nyaize(query) : query)} [search]\n`;
|
|
}
|
|
};
|
|
|
|
return appendChildren(tokens, { doNyaize: (opts && opts.doNyaize) || false }).trim();
|
|
}
|