switch to vuepress

1 files changed, 67 insertions, 0 deletions

diff --git a/node_modules/css-selector-tokenizer/lib/stringify.js b/node_modules/css-selector-tokenizer/lib/stringify.js
new file mode 100644
index 00000000..1c9d6aa3
--- /dev/null
+++ b/node_modules/css-selector-tokenizer/lib/stringify.js
@@ -0,0 +1,67 @@
+"use strict";
+
+var stringify;
+
+var regexpu = require("regexpu-core");
+var identifierEscapeRegexp = new RegExp(
+	regexpu("(^[^A-Za-z_\\-\\u{00a0}-\\u{10ffff}]|^\\-\\-|[^A-Za-z_0-9\\-\\u{00a0}-\\u{10ffff}])", "ug"),
+	"g"
+);
+
+function escape(str, identifier) {
+	if(str === "*") {
+		return "*";
+	}
+	if (identifier) {
+		return str.replace(identifierEscapeRegexp, "\\$1");
+	} else {
+		return str.replace(/(^[^A-Za-z_\\-]|^\-\-|[^A-Za-z_0-9\\-])/g, "\\$1");
+	}
+}
+
+function stringifyWithoutBeforeAfter(tree) {
+	switch(tree.type) {
+	case "selectors":
+		return tree.nodes.map(stringify).join(",");
+	case "selector":
+		return tree.nodes.map(stringify).join("");
+	case "element":
+		return (typeof tree.namespace === "string" ? escape(tree.namespace) + "|" : "") + escape(tree.name);
+	case "class":
+		return "." + escape(tree.name, true);
+	case "id":
+		return "#" + escape(tree.name, true);
+	case "attribute":
+		return "[" + tree.content + "]";
+	case "spacing":
+		return tree.value;
+	case "pseudo-class":
+		return ":" + escape(tree.name) + (typeof tree.content === "string" ? "(" + tree.content + ")" : "");
+	case "nested-pseudo-class":
+		return ":" + escape(tree.name) + "(" + tree.nodes.map(stringify).join(",") + ")";
+	case "pseudo-element":
+		return "::" + escape(tree.name);
+	case "universal":
+		return (typeof tree.namespace === "string" ? escape(tree.namespace) + "|" : "") + "*";
+	case "operator":
+		return tree.operator;
+	case "comment":
+		return "/*" + tree.content + "*/";
+	case "invalid":
+		return tree.value;
+	}
+}
+
+
+stringify = function stringify(tree) {
+	var str = stringifyWithoutBeforeAfter(tree);
+	if(tree.before) {
+		str = tree.before + str;
+	}
+	if(tree.after) {
+		str = str + tree.after;
+	}
+	return str;
+};
+
+module.exports = stringify;