uv

rewrite/css.js

@@ -0,0 +1,37 @@
+import { parse, walk, generate } from "css-tree";
+import EventEmitter from "./events.js";
+import parsel from "./parsel.js";
+
+class CSS extends EventEmitter {
+    constructor(ctx) {
+        super();
+        this.ctx = ctx;
+        this.meta = ctx.meta;
+        this.parsel = parsel;
+        this.parse = parse;
+        this.walk = walk;
+        this.generate = generate;
+    };
+    rewrite(str, options) {
+        return this.recast(str, options, 'rewrite');
+    };
+    source(str, options) {
+        return this.recast(str, options, 'source');
+    };
+    recast(str, options, type) {
+        if (!str) return str;
+        str = new String(str).toString();
+        try {
+            const ast = this.parse(str, { ...options, parseCustomProperty: true });
+            this.walk(ast, node => {
+                this.emit(node.type, node, options, type);
+            });
+            return this.generate(ast);
+        } catch(e) {
+            console.log(e)
+            return str;
+        };
+    };
+};
+
+export default CSS;