200     return (node) => {
201       sourceFile = node;
202       collectAllIdentifier(node); // 获取所有标识符
203       node = formatAllNodes(node); // 获取所有节点
204       if (!isEmptyFile(node)) {
206         let result = printer.printNode(ts.EmitHint.Unspecified, node, sourceFile);
211         copyrightMessage = node.getFullText().replace(node.getText(), '');
222       return node;
224     function collectAllIdentifier(node) {  argument
225       if (ts.isSourceFile(node) && node.statements) {
226         node.statements.forEach((stat) => {
233     function collectAllNodes(node) {  argument
234       if (ts.isIdentifier(node)) {
235         allIdentifierSet.add(node.escapedText.toString());
237       return ts.visitEachChild(node, collectAllNodes, context);
239     function formatAllNodes(node) {  argument
259       if (ts.isSourceFile(node) && node.statements) {
261         node.statements.forEach((statement) => {
342                 copyrightMessage = node.getFullText().replace(node.getText(), '');
346               copyrightMessage = node.getFullText().replace(node.getText(), '');
358         node = ts.factory.updateSourceFile(node, newStatements);
360       return node;
362     function hasCopyright(node) {  argument
364         node.getFullText().replace(node.getText(), '')
378     return (node) => {
379       sourceFile = node;
380       node = processSourceFile(node); // 处理最外层节点
381       node = processVisitEachChild(context, node);
382       if (!isEmptyFile(node)) {
384         const result = printer.printNode(ts.EmitHint.Unspecified, node, sourceFile);
397       return node;
415 function processSourceFile(node) {  argument
419   node.statements.forEach((statement) => {
466 …return ts.factory.updateSourceFile(node, newStatementsWithoutExport, node.isDeclarationFile, node.…
505 function processVisitEachChild(context, node) {  argument
506   return ts.visitEachChild(node, processAllNodes, context); // 遍历所有子节点
507   function processAllNodes(node) {  argument
508     if (ts.isInterfaceDeclaration(node)) {
510       node.members.forEach((member) => {
515       node = ts.factory.updateInterfaceDeclaration(
516         node,
517         node.modifiers,
518         node.name,
519         node.typeParameters,
520         node.heritageClauses,
523     } else if (ts.isClassDeclaration(node)) {
525       node.members.forEach((member) => {
530       node = ts.factory.updateClassDeclaration(
531         node,
532         node.modifiers,
533         node.name,
534         node.typeParameters,
535         node.heritageClauses,
538     } else if (ts.isModuleDeclaration(node) && node.body && ts.isModuleBlock(node.body)) {
540       node.body.statements.forEach((statement) => {
545       const newModuleBody = ts.factory.updateModuleBlock(node.body, newStatements);
546       node = ts.factory.updateModuleDeclaration(node, node.modifiers, node.name, newModuleBody);
547     } else if (ts.isEnumDeclaration(node)) {
549       node.members.forEach((member) => {
554       node = ts.factory.updateEnumDeclaration(node, node.modifiers, node.name, newMembers);
556     return ts.visitEachChild(node, processAllNodes, context);
593     return (node) => {
594       const referenceSourceFile = node;
595       node.statements.forEach((statement) => {
612       return node;
614     function dealExternalStatements(node) {  argument
615       node.statements.forEach((statement) => {
633     function collectAllIdentifier(node) {  argument
634       if (isSystemapi(node)) {
637       if (ts.isIdentifier(node)) {
638         allReferencesIdentifierSet.add(node.escapedText.toString());
640       return ts.visitEachChild(node, collectAllIdentifier, context);
660 function isSystemapi(node) {  argument
661   const notesContent = node.getFullText().replace(node.getText(), '').replace(/[\s]/g, '');
665 …if (ts.isFunctionDeclaration(node) || ts.isMethodSignature(node) || ts.isMethodDeclaration(node)) {
666       lastNodeName = node.name && node.name.escapedText ? node.name.escapedText.toString() : '';
672 …  (ts.isFunctionDeclaration(node) || ts.isMethodSignature(node) || ts.isMethodDeclaration(node)) &&
673       node.name &&
674       node.name.escapedText.toString() !== '' &&
675       node.name.escapedText.toString() === lastNodeName
684 function isEmptyFile(node) {  argument
686   if (ts.isSourceFile(node) && node.statements) {
687     for (let i = 0; i < node.statements.length; i++) {
688       const statement = node.statements[i];