evalScript()

in packages/core/browser-vm/src/Context.js [72:111]

• 20 lines of code
• 2 McCabe index (conditional complexity)

  evalScript(code, url = '', script) {
    const currentScript = this.document.createElement('script');
    currentScript.src = url;

    // eslint-disable-next-line no-new-func
    const resolver = new Function(`
      return function ({window, location, history, document, __os_current_script__}){
        var document = new Proxy(document, {
          get: function get(target, prop) {
            if (prop === "currentScript" && __os_current_script__) {
              return __os_current_script__;
            }
            return target[prop];
          }
        });
        var window = new Proxy(window, {
          get: function get(target, prop) {
            if (prop === "document") return document;
            return target[prop];
          }
        })
        var globalThis = window;
        with(window.__CONSOLE_OS_GLOBAL_VARS_) {
          try {
            ${code}
          } catch(e) {
            console.log(e)
          }
        }
      }//# sourceMappingURL=${url}`);

    resolver()
      .call(
        this.window,
        {
          ...this,
          __os_current_script__: script || currentScript,
        },
      );
  }