create-react-native-library/lib/exampleApp/addCodegenBuildScript.js

CLI to scaffold React Native libraries

"use strict";

Object.defineProperty(exports, "__esModule", {
  value: true
});
exports.addCodegenBuildScript = addCodegenBuildScript;
var _path = _interopRequireDefault(require("path"));
var _fsExtra = _interopRequireDefault(require("fs-extra"));
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
// This is added to the example app's build.gradle file to invoke codegen before every build
const GRADLE_INVOKE_CODEGEN_TASK = `
// Run Codegen during development for the example app.
tasks.register('invokeLibraryCodegen', Exec) {
  workingDir "$rootDir/../../"
  def isWindows = System.getProperty('os.name').toLowerCase().contains('windows')

  if (isWindows) {
    commandLine 'cmd', '/c', 'npx bob build --target codegen'
  } else {
    commandLine 'sh', '-c', 'npx bob build --target codegen'
  }
}

preBuild.dependsOn invokeLibraryCodegen
`;

// You need to have the files before calling pod install otherwise they won't be registered in your pod.
// So we add a pre_install hook to the podfile that invokes codegen
const PODSPEC_INVOKE_CODEGEN_SCRIPT = `
  # Run Codegen during development for the example app.
  pre_install do |installer|
    system("cd ../../ && npx bob build --target codegen")
  end
`;

/**
 * Codegen isn't invoked for libraries with `includesGeneratedCode` set to `true`.
 * This patches the example app to invoke library codegen on every app build.
 */
async function addCodegenBuildScript(libraryPath) {
  const appBuildGradlePath = _path.default.join(libraryPath, 'example', 'android', 'app', 'build.gradle');
  const podfilePath = _path.default.join(libraryPath, 'example', 'ios', 'Podfile');

  // Add a gradle task that runs before every build
  let appBuildGradle = (await _fsExtra.default.readFile(appBuildGradlePath)).toString();
  appBuildGradle += GRADLE_INVOKE_CODEGEN_TASK;
  await _fsExtra.default.writeFile(appBuildGradlePath, appBuildGradle);

  // Add a preinstall action to the podfile that invokes codegen
  const podfile = (await _fsExtra.default.readFile(podfilePath)).toString().split('\n');
  const podfilePostInstallIndex = podfile.findIndex(line => line.includes('post_install do |installer|'));
  podfile.splice(podfilePostInstallIndex, 0, PODSPEC_INVOKE_CODEGEN_SCRIPT);
  await _fsExtra.default.writeFile(podfilePath, podfile.join('\n'));
}
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