markdown/lib/compileReact.js

const h = require("react").createElement;
const {
	BOLD,
	TEXT,
	ITALICS,
	STRIKETHROUGH,
	UNDERLINE,
	URL,
	PARAGRAPH,
} = require("../constants");

function CompileReact(ast) {
	const OpenTags = {
		bold: "span",
		text: "span",
		italics: "span",
		strikethrough: "span",
		underline: "span",
		url: "a",
		paragraph: "p",
	};

	const classNames = {
		bold: BOLD,
		text: TEXT,
		italics: ITALICS,
		strikethrough: STRIKETHROUGH,
		underline: UNDERLINE,
		url: URL,
		paragraph: PARAGRAPH,
	};

	const mapper = node =>
		node.map((element, index) => {
			if (typeof element === "string") {
				return element;
			} else if (typeof element === "object") {
				const makeProps = () => {
					let props = {};
					if (element.type === "url") {
						props.href = element.url;
					}
					props.className = classNames[element.type];
					props.key = element.type + "-" + index;
					return props;
				};

				return h(
					OpenTags[element.type],
					makeProps(),
					element.children && mapper(element.children),
				);
			}
		});

	return h("p", { className: PARAGRAPH }, mapper(ast));
}

module.exports = CompileReact;