如何获取数组的解析类型参数(tsc编译器API)

import * as ts from 'typescript';

function getArrayResolvedTypeParameters(sourceFile: ts.SourceFile): string[] {
  const resolvedTypeParameters: string[] = [];

  function visitNode(node: ts.Node) {
    if (ts.isTypeReferenceNode(node)) {
      const typeArguments = node.typeArguments;
      if (typeArguments) {
        typeArguments.forEach((typeArg) => {
          if (ts.isTypeReferenceNode(typeArg)) {
            resolvedTypeParameters.push(typeArg.typeName.getText());
          }
        });
      }
    }

    ts.forEachChild(node, visitNode);
  }

  visitNode(sourceFile);

  return resolvedTypeParameters;
}

// 示例代码中的sourceCode是待解析的TypeScript代码
const sourceCode = `
  const arr: Array<number> = [1, 2, 3];
`;

const sourceFile = ts.createSourceFile('example.ts', sourceCode, ts.ScriptTarget.ESNext, false);
const resolvedTypeParameters = getArrayResolvedTypeParameters(sourceFile);

console.log(resolvedTypeParameters); // 输出: ['number']