Add support for passing in additional assetExts to packager

fbshipit-source-id: 42e508e37d960fbeb905a2ea8cb4741dba5c67fc

local-cli/bundle/buildBundle.js

@@ -13,6 +13,7 @@ const path = require('path');
 const Promise = require('promise');
 const saveAssets = require('./saveAssets');
 const Server = require('../../packager/react-packager/src/Server');
+const defaultAssetExts = require('../../packager/defaultAssetExts');
 
 function saveBundle(output, bundle, args) {
   return Promise.resolve(
@@ -25,17 +26,6 @@ function buildBundle(args, config, output = outputBundle, packagerInstance) {
   // have other choice than defining it as an env variable here.
   process.env.NODE_ENV = args.dev ? 'development' : 'production';
 
-  const options = {
-    projectRoots: config.getProjectRoots(),
-    assetRoots: config.getAssetRoots(),
-    blacklistRE: config.getBlacklistRE(args.platform),
-    getTransformOptionsModulePath: config.getTransformOptionsModulePath,
-    transformModulePath: args.transformer,
-    extraNodeModules: config.extraNodeModules,
-    nonPersistent: true,
-    resetCache: args.resetCache,
-  };
-
   const requestOpts = {
     entryFile: args.entryFile,
     sourceMapUrl: args.sourcemapOutput,
@@ -48,6 +38,20 @@ function buildBundle(args, config, output = outputBundle, packagerInstance) {
   // bundle command and close it down afterwards.
   var shouldClosePackager = false;
   if (!packagerInstance) {
+    let assetExts = (config.getAssetExts && config.getAssetExts()) || [];
+
+    const options = {
+      projectRoots: config.getProjectRoots(),
+      assetExts: defaultAssetExts.concat(assetExts),
+      assetRoots: config.getAssetRoots(),
+      blacklistRE: config.getBlacklistRE(args.platform),
+      getTransformOptionsModulePath: config.getTransformOptionsModulePath,
+      transformModulePath: args.transformer,
+      extraNodeModules: config.extraNodeModules,
+      nonPersistent: true,
+      resetCache: args.resetCache,
+    };
+
     packagerInstance = new Server(options);
     shouldClosePackager = true;
   }

local-cli/default.config.js

@@ -28,6 +28,15 @@ var config = {
     return getRoots();
   },
 
+  /**
+   * Specify any additional asset extentions to be used by the packager.
+   * For example, if you want to include a .ttf file, you would return ['ttf']
+   * from here and use `require('./fonts/example.ttf')` inside your app.
+   */
+  getAssetExts() {
+    return [];
+  },
+
   /**
    * Returns a regular expression for modules that should be ignored by the
    * packager on a given platform.

local-cli/server/runServer.js

@@ -24,6 +24,7 @@ const indexPageMiddleware = require('./middleware/indexPage');
 const systraceProfileMiddleware = require('./middleware/systraceProfileMiddleware.js');
 const heapCaptureMiddleware = require('./middleware/heapCaptureMiddleware.js');
 const webSocketProxy = require('./util/webSocketProxy.js');
+const defaultAssetExts = require('../../packager/defaultAssetExts');
 
 function runServer(args, config, readyCallback) {
   var wsProxy = null;
@@ -85,12 +86,7 @@ function getPackagerServer(args, config) {
     transformModulePath: transformModulePath,
     extraNodeModules: config.extraNodeModules,
     assetRoots: args.assetRoots,
-    assetExts: [
-      'bmp', 'gif', 'jpg', 'jpeg', 'png', 'psd', 'svg', 'webp', // Image formats
-      'm4v', 'mov', 'mp4', 'mpeg', 'mpg', 'webm', // Video formats
-      'aac', 'aiff', 'caf', 'm4a', 'mp3', 'wav', // Audio formats
-      'html', 'pdf', // Document formats
-    ],
+    assetExts: defaultAssetExts.concat(args.assetExts),
     resetCache: args.resetCache,
     verbose: args.verbose,
   });

local-cli/server/server.js

@@ -96,6 +96,11 @@ module.exports = {
     description: 'specify the root directories of app assets',
     parse: (val) => val.split(',').map(dir => path.resolve(process.cwd(), dir)),
     default: (config) => config.getAssetRoots(),
+  }, {
+    command: '--assetExts [list]',
+    description: 'Specify any additional asset extentions to be used by the packager',
+    parse: (val) => val.split(','),
+    default: (config) => config.getAssetExts(),
   }, {
     command: '--skipflow',
     description: 'Disable flow checks'