Function spyOnCompiler

test/implementation-option.test.js:136–160

(implementation)

 * @returns {EXPECTED_ANY} spies bag
 */
const spyOnCompiler = (implementation) => {
  const actualFn = implementation.initAsyncCompiler.bind(implementation);

  const initSpy = mock.method(implementation, "initAsyncCompiler", async () => {
    const compiler = await actualFn();
    // eslint-disable-next-line no-use-before-define
    spies.compileStringSpy = mock.method(compiler, "compileStringAsync");
    return compiler;
  });

  const spies = {
    initSpy,
    mockClear() {
      if (this.compileStringSpy) {
        this.compileStringSpy.mock.resetCalls();
      }
    },
    mockRestore() {
      initSpy.mock.restore();
      delete this.compileStringSpy;
    },
  };

  return spies;
};

describe("implementation option", () => {
  const dartSassSpyModernAPI = mock.method(sass, "compileStringAsync");