Function generateExampleApp

lib/lib.js:184–283

()

  // multiple test or sample apps in the future.
  const generateExampleApp =
    () => {
      info(`CREATE example app with the following template: ${exampleReactNativeTemplate}`);

      // resolve **absolute** module & example paths before
      // react-native-init-func function call
      // which may affect the process cwd state
      // (absolute paths seem to be needed for the steps below function properly)
      const modulePath = path.resolve('.', packageName);
      const pathExampleApp = path.join(modulePath, exampleName);
      const exampleAppSubdirectory = path.join('.', packageName, exampleName);

      // (with the work done in a promise chain)
      return Promise.resolve()
        .then(() => {
          return reactNativeInit([exampleName], {
            template: exampleReactNativeTemplate,
            directory: exampleAppSubdirectory
          });
        })
        .then(() => {
          // Render the example template
          const templateArgs = {
            packageName,
            objectClassName,
            isView,
            useAppleNetworking,
            exampleFileLinkage,
            exampleName,
            writeExamplePodfile,
          };

          return Promise.all(
            exampleTemplates.map((template) => {
              return renderTemplateIfValid(fs, modulePath, template, templateArgs);
            })
          );
        })
        .then(() => {
          // Adds and link the new library
          return new Promise((resolve) => {
            // postinstall workaround script *only* needed in case
            // the DEPRECATED --example-file-linkage option
            // (exampleFileLinkage: true) is used
            // (not needed otherwise):
            if (exampleFileLinkage) {
              info('Adding the cleanup postinstall *workaround* task to the example app');
              npmAddScriptSync(`${pathExampleApp}/package.json`, {
                key: 'postinstall',
                value: `node ../scripts/examples_postinstall.js`
              }, fs);
            }

            // Add and link the new library
            info('Linking the new module library to the example app');
            const addLinkLibraryCommand = exampleFileLinkage
              ? 'yarn add file:../'
              : 'yarn add link:../';
            const addLinkLibraryOptions = { cwd: pathExampleApp, stdio: 'inherit' };