node_modules/tsconfig-paths/test/match-path-async-tests.ts

import { assert } from "chai";
import { createMatchPathAsync } from "../src/match-path-async";
import * as Tests from "./data/match-path-data";

describe("match-path-async", () => {
  Tests.tests.forEach(t =>
    it(t.name, done => {
      const matchPath = createMatchPathAsync(
        t.absoluteBaseUrl,
        t.paths,
        t.mainFields,
        t.addMatchAll
      );
      matchPath(
        t.requestedModule,
        (_path, callback) => callback(undefined, t.packageJson),
        (path, callback) =>
          callback(undefined, t.existingFiles.indexOf(path) !== -1),
        t.extensions,
        (_err, result) => {
          assert.equal(result, t.expectedPath);
          done();
        }
      );
    })
  );
});