markdown2html/src/mark.ts

32 lines
775 B
TypeScript

import { marked } from 'marked';
import { MarkdownOptions } from './render';
export interface MarkToken extends marked.Tokens.Generic {
text: string;
}
export function mark_ext(renderer: marked.Renderer, opts: MarkdownOptions) : marked.TokenizerExtension & marked.RendererExtension {
return {
name: 'mark',
level: 'inline',
start: (src) => src.match(/=/)?.index,
tokenizer(src, tokens) {
const rule = /^==([^\n\s](?:(?:[^\n=]|=(?!=))*[^\n\s])?)==/;
const match = rule.exec(src);
if (match) {
return {
type: 'mark',
raw: match[0],
text: match[1],
tokens: this.lexer.inlineTokens(match[1], [ ])
};
}
},
renderer(token: MarkToken) {
return `<mark>${this.parser.parseInline(token.tokens, renderer)}</mark>`;
}
};
}