Website Structure

Frontend-Learner/node_modules/oxc-parser/src-js/visit/index.js

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+import { createRequire } from "node:module";
+
+// Lazy-loaded when first construct a `Visitor`
+let walkProgram = null,
+  addVisitorToCompiled,
+  createCompiledVisitor,
+  finalizeCompiledVisitor;
+
+/**
+ * Visitor class for traversing AST.
+ */
+export class Visitor {
+  #compiledVisitor = null;
+
+  constructor(visitor) {
+    if (walkProgram === null) {
+      const require = createRequire(import.meta.url);
+      ({ walkProgram } = require("../../generated/visit/walk.js"));
+      ({
+        addVisitorToCompiled,
+        createCompiledVisitor,
+        finalizeCompiledVisitor,
+      } = require("./visitor.js"));
+    }
+
+    const compiledVisitor = createCompiledVisitor();
+    addVisitorToCompiled(visitor);
+    const needsVisit = finalizeCompiledVisitor();
+    if (needsVisit) this.#compiledVisitor = compiledVisitor;
+  }
+
+  /**
+   * Visit AST.
+   * @param program - The AST to visit.
+   * @returns {undefined}
+   */
+  visit(program) {
+    const compiledVisitor = this.#compiledVisitor;
+    if (compiledVisitor !== null) walkProgram(program, compiledVisitor);
+  }
+}