codesandbox-client/packages/app/src/sandbox/eval/transpilers/babel/worker/simple-get-require-statements.test.ts at fix-saving-code · hipertracker/codesandbox-client · GitHub

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import getRequireStatements from './simple-get-require-statements';

describe('simple-get-require-statements', () => {
  it('finds a simple require statement', () => {
    const code = `require('test')`;

    expect(getRequireStatements(code)).toStrictEqual([
      { type: 'direct', path: 'test' },
    ]);
  });

  it('finds multiple require statement', () => {
    const code = `require('test');
    require('test2')`;

    expect(getRequireStatements(code)).toStrictEqual([
      { type: 'direct', path: 'test' },
      { type: 'direct', path: 'test2' },
    ]);
  });

  it('ignores commented require statement', () => {
    const code = `require('test');
    // require('test2')`;

    expect(getRequireStatements(code)).toStrictEqual([
      { type: 'direct', path: 'test' },
    ]);
  });

  it('allows comment after require statement', () => {
    const code = `require('test');
    require('test2') // yes very nice`;

    expect(getRequireStatements(code)).toStrictEqual([
      { type: 'direct', path: 'test' },
      { type: 'direct', path: 'test2' },
    ]);
  });

  it('ignores second comment after require statement', () => {
    const code = `require('test');
    require('test2') // yes very nice require('nice')`;

    expect(getRequireStatements(code)).toStrictEqual([
      { type: 'direct', path: 'test' },
      { type: 'direct', path: 'test2' },
    ]);
  });

  it('handles a * that looks like a comment', () => {
    const code = `$export($export.S + $export.F * !require('./_iter-detect')(function (iter) { Array.from(iter); }), 'Array', {`;

    expect(getRequireStatements(code)).toStrictEqual([
      { type: 'direct', path: './_iter-detect' },
    ]);
  });
});