Function lookup

src/modules.test.ts:343–364

(identifier: string)

    describe('lookup', () => {
      function lookup(identifier: string) {
        const result = parse(code, ESModuleParser());
        if (!result.success) {
          return;
        }

        for (const item of result.result as any[]) {
          if (item.type === 'const') {
            if (item.name === identifier) {
              return item;
            }
          } else if (item.type === 'function') {
            if (item.name === identifier) {
              return item;
            }
          } else if (item.type === 'export') {
            if (item.exported.name === identifier) {
              return item.exported;
            }
          }
        }
      }

      it('can lookup const', () => {
        expect(lookup('a')).toEqual({