first commit

2026-06-02 10:42:33 +08:00
commit dd4975fd2c
1084 changed files with 442416 additions and 0 deletions
--- a/node_modules/snarkdown/src/index.js
+++ b/node_modules/snarkdown/src/index.js
@@ -0,0 +1,109 @@
+const TAGS = {
+	'': ['<em>','</em>'],
+	_: ['<strong>','</strong>'],
+	'*': ['<strong>','</strong>'],
+	'~': ['<s>','</s>'],
+	'\n': ['<br />'],
+	' ': ['<br />'],
+	'-': ['<hr />']
+};
+
+/** Outdent a string based on the first indented line's leading whitespace
+ *	@private
+ */
+function outdent(str) {
+	return str.replace(RegExp('^'+(str.match(/^(\t| )+/) || '')[0], 'gm'), '');
+}
+
+/** Encode special attribute characters to HTML entities in a String.
+ *	@private
+ */
+function encodeAttr(str) {
+	return (str+'').replace(/"/g, '&quot;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
+}
+
+/** Parse Markdown into an HTML String. */
+export default function parse(md, prevLinks) {
+	let tokenizer = /((?:^|\n+)(?:\n---+|\* \*(?: \*)+)\n)|(?:^``` *(\w*)\n([\s\S]*?)\n```$)|((?:(?:^|\n+)(?:\t|  {2,}).+)+\n*)|((?:(?:^|\n)([>*+-]|\d+\.)\s+.*)+)|(?:!\[([^\]]*?)\]\(([^)]+?)\))|(\[)|(\](?:\(([^)]+?)\))?)|(?:(?:^|\n+)([^\s].*)\n(-{3,}|={3,})(?:\n+|$))|(?:(?:^|\n+)(#{1,6})\s*(.+)(?:\n+|$))|(?:`([^`].*?)`)|(  \n\n*|\n{2,}|__|\*\*|[_*]|~~)/gm,
+		context = [],
+		out = '',
+		links = prevLinks || {},
+		last = 0,
+		chunk, prev, token, inner, t;
+
+	function tag(token) {
+		let desc = TAGS[token[1] || ''];
+		let end = context[context.length-1] == token;
+		if (!desc) return token;
+		if (!desc[1]) return desc[0];
+		if (end) context.pop();
+		else context.push(token);
+		return desc[end|0];
+	}
+
+	function flush() {
+		let str = '';
+		while (context.length) str += tag(context[context.length-1]);
+		return str;
+	}
+
+	md = md.replace(/^\[(.+?)\]:\s*(.+)$/gm, (s, name, url) => {
+		links[name.toLowerCase()] = url;
+		return '';
+	}).replace(/^\n+|\n+$/g, '');
+
+	while ( (token=tokenizer.exec(md)) ) {
+		prev = md.substring(last, token.index);
+		last = tokenizer.lastIndex;
+		chunk = token[0];
+		if (prev.match(/[^\\](\\\\)*\\$/)) {
+			// escaped
+		}
+		// Code/Indent blocks:
+		else if (t = (token[3] || token[4])) {
+			chunk = '<pre class="code '+(token[4]?'poetry':token[2].toLowerCase())+'"><code'+(token[2] ? ` class="language-${token[2].toLowerCase()}"` : '')+'>'+outdent(encodeAttr(t).replace(/^\n+|\n+$/g, ''))+'</code></pre>';
+		}
+		// > Quotes, -* lists:
+		else if (t = token[6]) {
+			if (t.match(/\./)) {
+				token[5] = token[5].replace(/^\d+/gm, '');
+			}
+			inner = parse(outdent(token[5].replace(/^\s*[>*+.-]/gm, '')));
+			if (t=='>') t = 'blockquote';
+			else {
+				t = t.match(/\./) ? 'ol' : 'ul';
+				inner = inner.replace(/^(.*)(\n|$)/gm, '<li>$1</li>');
+			}
+			chunk = '<'+t+'>' + inner + '</'+t+'>';
+		}
+		// Images:
+		else if (token[8]) {
+			chunk = `<img src="${encodeAttr(token[8])}" alt="${encodeAttr(token[7])}">`;
+		}
+		// Links:
+		else if (token[10]) {
+			out = out.replace('<a>', `<a href="${encodeAttr(token[11] || links[prev.toLowerCase()])}">`);
+			chunk = flush() + '</a>';
+		}
+		else if (token[9]) {
+			chunk = '<a>';
+		}
+		// Headings:
+		else if (token[12] || token[14]) {
+			t = 'h' + (token[14] ? token[14].length : (token[13]>'=' ? 1 : 2));
+			chunk = '<'+t+'>' + parse(token[12] || token[15], links) + '</'+t+'>';
+		}
+		// `code`:
+		else if (token[16]) {
+			chunk = '<code>'+encodeAttr(token[16])+'</code>';
+		}
+		// Inline formatting: *em*, **strong** & friends
+		else if (token[17] || token[1]) {
+			chunk = tag(token[17] || '--');
+		}
+		out += prev;
+		out += chunk;
+	}
+
+	return (out + md.substring(last) + flush()).replace(/^\n+|\n+$/g, '');
+}