63 lines
1.6 KiB
JavaScript
63 lines
1.6 KiB
JavaScript
"use strict";
|
|
|
|
var uniRegexp = require("./uni-regexp");
|
|
var identifierEscapeRegexp = new RegExp(uniRegexp.identifierEscapeRegexp, "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;
|
|
}
|
|
}
|
|
|
|
|
|
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;
|