@botonic/plugin-contentful/lib/esm/markup/markdown.js

Botonic Plugin Contentful is one of the **[available](https://github.com/hubtype/botonic/tree/master/packages)** plugins for Botonic. **[Contentful](http://www.contentful.com)** is a CMS (Content Management System) which manages contents of a great variet

import * as marked from 'marked';
import { MarkUp, MarkupType, TokenType } from './markup';
/**
 * marked's intex.ts does not include these types (though they work): del, strong, em
 */
export class Markdown extends MarkUp {
    constructor(flavour) {
        super(flavour);
        switch (flavour) {
            case MarkupType.MARKDOWN:
                this.options = {};
                break;
            case MarkupType.GITHUB:
            case MarkupType.CONTENTFUL:
                this.options = { gfm: true };
                break;
            default:
                throw Error(`Invalid markdown flavour: ${flavour}`);
        }
    }
    parse(txt) {
        // cannot cache Lexer because it would accumulate the tokens
        return marked.lexer(txt);
    }
    renderToken(_token) {
        throw new Error('Not implemented');
    }
    wrapWithInline(input, inlineType) {
        // emphasis & strong cannot have internal spaces
        input = input.trim();
        if (inlineType === TokenType.EMPHASIS) {
            return `_${input}_`;
        }
        if (inlineType === TokenType.STRONG) {
            return `**${input}**`;
        }
        throw new Error(`wrapWithInline does not support inline ${inlineType}`);
    }
}
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