Config param to pick polyfill name

README.md

@@ -141,6 +141,7 @@ npm run build --rollup ./config/rollup.config.js
 | experimental babili | `ionic_use_experimental_babili` | `--useExperimentalBabili` | `null` | Set to `true` to use babili to minify es2015 code |
 | convert bundle to ES5 | `ionic_build_to_es5` | `--buildToEs5` | `true` | Convert bundle to ES5 for for production deployments |
 | default watch timeout | `ionic_start_watch_timeout` | `--startWatchTimeout` | `3000` | Milliseconds controlling the default watch timeout |
+| choose the polyfill | `ionic_polyfill_name` | `--polyfillName` | `polyfills` | Change with polyfills.modern or polyfills.ng (all options)[https://github.com/driftyco/ionic/tree/master/scripts/polyfill] |
 | enable linting | `enable_lint` | `--enableLint` | `true` | Set to `false` for skipping the linting after the build |
 
 

config/copy.config.js

@@ -15,11 +15,11 @@ module.exports = {
  dest: '{{WWW}}/assets/fonts'
  },
  copyPolyfills: {
- src: ['{{ROOT}}/node_modules/ionic-angular/polyfills/polyfills.js'],
+ src: [`{{ROOT}}/node_modules/ionic-angular/polyfills/${process.env.POLLYFILL_NAME}.js`],
  dest: '{{BUILD}}'
  },
  copySwToolbox: {
  src: ['{{ROOT}}/node_modules/sw-toolbox/sw-toolbox.js'],
  dest: '{{BUILD}}'
  }
-}
+}

src/copy.spec.ts

@@ -22,7 +22,7 @@ describe('copy task', () => {
  dest: '{{WWW}}/assets/fonts'
  },
  copyPolyfills: {
- src: ['{{ROOT}}/node_modules/ionic-angular/polyfills/polyfills.js'],
+ src: [`{{ROOT}}/node_modules/ionic-angular/polyfills/${process.env.POLLYFILL_NAME}.js`],
  dest: '{{BUILD}}'
  },
  someOtherOption: {

src/util/config.ts

@@ -260,6 +260,10 @@ export function generateContext(context?: BuildContext): BuildContext {
  setProcessEnvVar(Constants.ENV_NG_MODULE_FILE_NAME_SUFFIX, ngModuleFileNameSuffix);
  Logger.debug(`ngModuleFileNameSuffix set to ${ngModuleFileNameSuffix}`);
 
+ const polyfillName = getConfigValue(context, '--polyfillName', null, Constants.ENV_POLYFILL_NAME, Constants.ENV_POLYFILL_NAME.toLowerCase(), 'polyfills');
+ setProcessEnvVar(Constants.ENV_POLYFILL_NAME, polyfillName);
+ Logger.debug(`polyfillName set to ${polyfillName}`);
+
  /* Provider Path Stuff */
  setProcessEnvVar(Constants.ENV_ACTION_SHEET_CONTROLLER_CLASSNAME, 'ActionSheetController');
  setProcessEnvVar(Constants.ENV_ACTION_SHEET_CONTROLLER_PATH, join(context.ionicAngularDir, 'components', 'action-sheet', 'action-sheet-controller.js'));

src/util/constants.ts

@@ -72,6 +72,7 @@ export const ENV_ENABLE_LINT = 'IONIC_ENABLE_LINT';
 export const ENV_DISABLE_LOGGING = 'IONIC_DISABLE_LOGGING';
 export const ENV_START_WATCH_TIMEOUT = 'IONIC_START_WATCH_TIMEOUT';
 export const ENV_NG_MODULE_FILE_NAME_SUFFIX = 'IONIC_NG_MODULE_FILENAME_SUFFIX';
+export const ENV_POLYFILL_NAME = 'IONIC_POLYFILL_NAME';
 
 export const ENV_PRINT_ORIGINAL_DEPENDENCY_TREE = 'IONIC_PRINT_ORIGINAL_DEPENDENCY_TREE';
 export const ENV_PRINT_MODIFIED_DEPENDENCY_TREE = 'IONIC_PRINT_MODIFIED_DEPENDENCY_TREE';