Galerie und tage

node_modules/css-tree/lib/definition-syntax/walk.js

@@ -1,52 +0,0 @@
-var noop = function() {};
-
-function ensureFunction(value) {
-    return typeof value === 'function' ? value : noop;
-}
-
-module.exports = function(node, options, context) {
-    function walk(node) {
-        enter.call(context, node);
-
-        switch (node.type) {
-            case 'Group':
-                node.terms.forEach(walk);
-                break;
-
-            case 'Multiplier':
-                walk(node.term);
-                break;
-
-            case 'Type':
-            case 'Property':
-            case 'Keyword':
-            case 'AtKeyword':
-            case 'Function':
-            case 'String':
-            case 'Token':
-            case 'Comma':
-                break;
-
-            default:
-                throw new Error('Unknown type: ' + node.type);
-        }
-
-        leave.call(context, node);
-    }
-
-    var enter = noop;
-    var leave = noop;
-
-    if (typeof options === 'function') {
-        enter = options;
-    } else if (options) {
-        enter = ensureFunction(options.enter);
-        leave = ensureFunction(options.leave);
-    }
-
-    if (enter === noop && leave === noop) {
-        throw new Error('Neither `enter` nor `leave` walker handler is set or both aren\'t a function');
-    }
-
-    walk(node, context);
-};