All: Use Lerna to manage monorepo

packages/renderer/MarkupToHtml.ts

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+const MdToHtml = require('./MdToHtml').default;
+const HtmlToHtml = require('./HtmlToHtml');
+const htmlUtils = require('./htmlUtils');
+const MarkdownIt = require('markdown-it');
+
+export enum MarkupLanguage {
+	Markdown = 1,
+	Html = 2,
+}
+
+export default class MarkupToHtml {
+
+	static MARKUP_LANGUAGE_MARKDOWN:number = MarkupLanguage.Markdown;
+	static MARKUP_LANGUAGE_HTML:number = MarkupLanguage.Html;
+
+	private renderers_:any = {};
+	private options_:any;
+	private rawMarkdownIt_:any;
+
+	constructor(options:any) {
+		this.options_ = Object.assign({}, {
+			ResourceModel: {
+				isResourceUrl: () => false,
+			},
+		}, options);
+	}
+
+	renderer(markupLanguage:MarkupLanguage) {
+		if (this.renderers_[markupLanguage]) return this.renderers_[markupLanguage];
+
+		let RendererClass = null;
+
+		if (markupLanguage === MarkupToHtml.MARKUP_LANGUAGE_MARKDOWN) {
+			RendererClass = MdToHtml;
+		} else if (markupLanguage === MarkupToHtml.MARKUP_LANGUAGE_HTML) {
+			RendererClass = HtmlToHtml;
+		} else {
+			throw new Error(`Invalid markup language: ${markupLanguage}`);
+		}
+
+		this.renderers_[markupLanguage] = new RendererClass(this.options_);
+		return this.renderers_[markupLanguage];
+	}
+
+	stripMarkup(markupLanguage:MarkupLanguage, markup:string, options:any = null) {
+		if (!markup) return '';
+
+		options = Object.assign({}, {
+			collapseWhiteSpaces: false,
+		}, options);
+
+		let output = markup;
+
+		if (markupLanguage === MarkupToHtml.MARKUP_LANGUAGE_MARKDOWN) {
+			if (!this.rawMarkdownIt_) {
+				// We enable HTML because we don't want it to be escaped, so
+				// that it can be stripped off in the stripHtml call below.
+				this.rawMarkdownIt_ = new MarkdownIt({ html: true });
+			}
+			output = this.rawMarkdownIt_.render(output);
+		}
+
+		output = htmlUtils.stripHtml(output).trim();
+
+		if (options.collapseWhiteSpaces) {
+			output = output.replace(/\n+/g, ' ');
+			output = output.replace(/\s+/g, ' ');
+		}
+
+		return output;
+	}
+
+	clearCache(markupLanguage:MarkupLanguage) {
+		const r = this.renderer(markupLanguage);
+		if (r.clearCache) r.clearCache();
+	}
+
+	async render(markupLanguage:MarkupLanguage, markup:string, theme:any, options:any) {
+		return this.renderer(markupLanguage).render(markup, theme, options);
+	}
+
+	async allAssets(markupLanguage:MarkupLanguage, theme:any) {
+		return this.renderer(markupLanguage).allAssets(theme);
+	}
+}