--- /dev/null
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+const visitor_keys_1 = require("./visitor-keys");
+// eslint-disable-next-line @typescript-eslint/no-explicit-any
+function isValidNode(x) {
+ return x !== null && typeof x === 'object' && typeof x.type === 'string';
+}
+function getVisitorKeysForNode(allVisitorKeys, node) {
+ const keys = allVisitorKeys[node.type];
+ return keys || [];
+}
+class SimpleTraverser {
+ constructor({ enter }) {
+ this.allVisitorKeys = visitor_keys_1.visitorKeys;
+ this.enter = enter;
+ }
+ traverse(node, parent) {
+ if (!isValidNode(node)) {
+ return;
+ }
+ this.enter(node, parent);
+ const keys = getVisitorKeysForNode(this.allVisitorKeys, node);
+ if (keys.length < 1) {
+ return;
+ }
+ for (const key of keys) {
+ const childOrChildren = node[key];
+ if (Array.isArray(childOrChildren)) {
+ for (const child of childOrChildren) {
+ this.traverse(child, node);
+ }
+ }
+ else {
+ this.traverse(childOrChildren, node);
+ }
+ }
+ }
+}
+function simpleTraverse(startingNode, options) {
+ new SimpleTraverser(options).traverse(startingNode, undefined);
+}
+exports.simpleTraverse = simpleTraverse;
+//# sourceMappingURL=simple-traverse.js.map
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