Lists references of all properties in all classes in a file

list_references.ts

/* tslint:disable:no-console */

/**
 * Example usage: ts-node --project ./tsconfig-tsnode.json ./test_encapsulation.ts <some-file.ts>
 * 
 * Example tsconfig-tsnode.json is at the bottom of this file
 */
import { ClassDeclaration, Project, PropertyDeclaration, ReferencedSymbol, ReferenceEntry, SourceFile } from 'ts-morph';

function main(fileNameOrPath: string): void {
  const project: Project = new Project();
  project.addSourceFilesFromTsConfig('./tsconfig.json');
  project.addExistingSourceFiles(['src/**/*{.d.ts,.ts}', '!src/**/*.spec.ts']);

  // optionally call this when complete to resolve and
  // add the dependent source files to the project
  project.resolveSourceFileDependencies();

  const sourceFile: SourceFile = project.getSourceFileOrThrow(fileNameOrPath);

  const classDeclarations: ClassDeclaration[] = sourceFile.getClasses();
  for (const classDeclaration of classDeclarations) {
    console.log('=================');
    console.log(`Class ${classDeclaration.getName()}`);
    console.log('=================');
    const props: PropertyDeclaration[] = classDeclaration.getProperties();
    for (const prop of props) {
      findReferences(prop);
    }
  }
}

function findReferences(prop: PropertyDeclaration): void {
  const referencedSymbols: ReferencedSymbol[] = prop.findReferences();

  for (const referencedSymbol of referencedSymbols) {
    const referenceEntries: ReferenceEntry[] = referencedSymbol.getReferences();
    const numReferences = referencedSymbols.length + referenceEntries.length;

    console.log('-------------------');
    console.log(`${numReferences} REFERENCES for ${prop.getName()}`);
    console.log('-------------------');

    for (const referenceEntry of referenceEntries) {
      console.log('File path: ' + referenceEntry.getSourceFile().getFilePath());
      console.log('Line number: ' + referenceEntry.getNode().getStartLineNumber());
      // console.log('Start: ' + referenceEntry.getTextSpan().getStart());
      // console.log('Length: ' + referenceEntry.getTextSpan().getLength());
      console.log('Parent kind: ' + referenceEntry.getNode().getParentOrThrow().getKindName());
      console.log('\n');
    }
  }
}

main(process.argv[2]);

/* Example tsconfig-tsnode.json

{
  "compileOnSave": false,
  "compilerOptions": {
    "importHelpers": true,
    "outDir": "./dist/out-tsc",
    "baseUrl": "src",
    "sourceMap": true,
    "declaration": false,
    "moduleResolution": "node",
    "emitDecoratorMetadata": true,
    "experimentalDecorators": true,
    "allowSyntheticDefaultImports": true,
    "target": "es5",
    "typeRoots": [
      "node_modules/@types"
    ],
    "lib": [
      "es2015",
      "es2016",
      "es2017",
      "dom"
    ],
    "module": "commonjs"
  },
  "files": [
    "src/main.ts",
    "src/polyfills.ts"
  ],
  "include": [
    "src/**\/*.ts"
  ]
}

 */