All files ast-helpers.ts

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import * as ts from 'typescript';
 
export function isFunctionLike(node: ts.Node): boolean {
  return ts.isFunctionDeclaration(node)
    || ts.isFunctionExpression(node)
    || ts.isArrowFunction(node)
    || ts.isMethodDeclaration(node)
    || ts.isConstructorDeclaration(node)
    || ts.isGetAccessor(node)
    || ts.isSetAccessor(node);
}
 
export function getFunctionName(node: ts.Node, sourceFile: ts.SourceFile): string {
  if ('name' in node && node.name && ts.isIdentifier(node.name as ts.Node)) return (node.name as ts.Identifier).getText(sourceFile);
 
  const parent = node.parent;
  if (parent && ts.isVariableDeclaration(parent) && parent.name && ts.isIdentifier(parent.name)) {
    return parent.name.getText(sourceFile);
  }
 
  if (parent && ts.isPropertyAssignment(parent) && ts.isIdentifier(parent.name)) {
    return parent.name.getText(sourceFile);
  }
 
  if (parent && ts.isPropertyDeclaration(parent) && parent.name && ts.isIdentifier(parent.name)) {
    return parent.name.getText(sourceFile);
  }
 
  if (parent && ts.isMethodDeclaration(parent) && parent.name) {
    return parent.name.getText(sourceFile);
  }
 
  if (parent && ts.isGetAccessor(parent) && parent.name) {
    return parent.name.getText(sourceFile);
  }
 
  if (parent && ts.isSetAccessor(parent) && parent.name) {
    return parent.name.getText(sourceFile);
  }
 
  return '<anonymous>';
}