@uiw/react-markdown-preview
Version:
React component preview markdown text in web browser. The minimal amount of CSS to replicate the GitHub Markdown style.
84 lines (78 loc) • 11.7 kB
JavaScript
import _extends from "@babel/runtime/helpers/extends";
import _toConsumableArray from "@babel/runtime/helpers/toConsumableArray";
import _objectWithoutProperties from "@babel/runtime/helpers/objectWithoutProperties";
import _objectSpread from "@babel/runtime/helpers/objectSpread2";
import React, { useImperativeHandle } from 'react';
import ReactMarkdown from 'react-markdown';
import gfm from 'remark-gfm'; // @ts-ignore
import slug from 'remark-slug'; // @ts-ignore
import headings from 'remark-autolink-headings';
import rehypeRaw from 'rehype-raw';
import rehypePrism from '@mapbox/rehype-prism';
import rehypeRewrite from 'rehype-rewrite';
import "./styles/markdown.css";
import "./styles/markdowncolor.css";
var rehypeRewriteHandle = function rehypeRewriteHandle(node, index, parent) {
if (node.type === 'element' && parent.type === 'root' && /h(1|2|3|4|5|6)/.test(node.tagName) && index !== 0) {
var child = node.children && node.children[0] ? node.children[0] : null;
if (child && child.properties && child.properties.ariaHidden === 'true') {
child.properties = _objectSpread({
class: 'anchor'
}, child.properties);
child.children = [{
type: 'element',
tagName: 'svg',
properties: {
class: 'octicon octicon-link',
viewBox: '0 0 16 16',
version: '1.1',
width: '16',
height: '16',
ariaHidden: 'true'
},
children: [{
type: 'element',
tagName: 'path',
properties: {
fillRule: 'evenodd',
d: 'M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z'
}
}]
}];
}
}
};
export default /*#__PURE__*/React.forwardRef(function (props, ref) {
var _ref = props || {},
className = _ref.className,
source = _ref.source,
style = _ref.style,
onScroll = _ref.onScroll,
onMouseOver = _ref.onMouseOver,
_ref$warpperElement = _ref.warpperElement,
warpperElement = _ref$warpperElement === void 0 ? {} : _ref$warpperElement,
other = _objectWithoutProperties(_ref, ["className", "source", "style", "onScroll", "onMouseOver", "warpperElement"]);
var mdp = /*#__PURE__*/React.createRef();
useImperativeHandle(ref, function () {
return _objectSpread(_objectSpread({}, props), {}, {
mdp: mdp
});
}, [mdp, props]);
var cls = "wmde-markdown wmde-markdown-color ".concat(className || '');
return /*#__PURE__*/React.createElement("div", _extends({
ref: mdp,
onScroll: onScroll,
onMouseOver: onMouseOver
}, warpperElement, {
className: cls,
style: style
}), /*#__PURE__*/React.createElement(ReactMarkdown, _extends({}, other, {
plugins: [gfm].concat(_toConsumableArray(other.plugins || [])),
rehypePlugins: [[rehypePrism, {
ignoreMissing: true
}], [rehypeRewrite, rehypeRewriteHandle], rehypeRaw].concat(_toConsumableArray(other.rehypePlugins || [])),
remarkPlugins: [slug, headings].concat(_toConsumableArray(other.remarkPlugins || [])),
children: source || ''
})));
});
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node.children[0] : null;\n    if (child && child.properties && child.properties.ariaHidden === 'true') {\n      child.properties = { class: 'anchor', ...child.properties };\n      child.children = [\n        {\n          type: 'element',\n          tagName: 'svg',\n          properties: {\n            class: 'octicon octicon-link',\n            viewBox: '0 0 16 16',\n            version: '1.1',\n            width: '16',\n            height: '16',\n            ariaHidden: 'true',\n          },\n          children: [\n            {\n              type: 'element',\n              tagName: 'path',\n              properties: {\n                fillRule: 'evenodd',\n                d: 'M7.775 3.275a.75.75 0 001.06 1.06l1.25-1.25a2 2 0 112.83 2.83l-2.5 2.5a2 2 0 01-2.83 0 .75.75 0 00-1.06 1.06 3.5 3.5 0 004.95 0l2.5-2.5a3.5 3.5 0 00-4.95-4.95l-1.25 1.25zm-4.69 9.64a2 2 0 010-2.83l2.5-2.5a2 2 0 012.83 0 .75.75 0 001.06-1.06 3.5 3.5 0 00-4.95 0l-2.5 2.5a3.5 3.5 0 004.95 4.95l1.25-1.25a.75.75 0 00-1.06-1.06l-1.25 1.25a2 2 0 01-2.83 0z',\n              }\n            }\n          ]\n        }\n      ];\n    }\n  }\n}\n\nexport type MarkdownPreviewProps = {\n  className?: string;\n  source?: string;\n  style?: React.CSSProperties;\n  warpperElement?: React.DetailedHTMLProps<React.HTMLAttributes<HTMLDivElement>, HTMLDivElement>;\n  onScroll?: (e: React.UIEvent<HTMLDivElement>) => void;\n  onMouseOver?: (e: React.MouseEvent<HTMLDivElement>) => void;\n} & Omit<ReactMarkdown.ReactMarkdownOptions, 'children'>;\n\nexport type MarkdownPreviewRef = {\n  mdp: React.RefObject<HTMLDivElement>;\n} & MarkdownPreviewProps;\n\nexport default React.forwardRef<MarkdownPreviewRef, MarkdownPreviewProps>((props, ref) => {\n  const { className, source, style, onScroll, onMouseOver, warpperElement = {}, ...other  } = props || {};\n  const mdp = React.createRef<HTMLDivElement>();\n  useImperativeHandle(ref, () => ({ ...props, mdp }), [mdp, props]);\n\n  const cls = `wmde-markdown wmde-markdown-color ${className || ''}`;\n  return (\n    <div ref={mdp} onScroll={onScroll} onMouseOver={onMouseOver} {...warpperElement} className={cls} style={style}>\n      <ReactMarkdown\n        {...other}\n        plugins={[gfm, ...(other.plugins || [])]}\n        rehypePlugins={[[rehypePrism, { ignoreMissing: true }], [rehypeRewrite, rehypeRewriteHandle], rehypeRaw, ...(other.rehypePlugins || [])]}\n        remarkPlugins={[ slug, headings, ...(other.remarkPlugins || []) ]}\n        children={source || ''}\n      />\n    </div>\n  );\n});\n"]}