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Bring back programmatic packager API

Brings back parts of the programmatic API removed in 7762f37. This is used by a few people. Also updates the docs accordingly.

cc akaila

Reviewed By: jeanlauliac

Differential Revision: D4226348

fbshipit-source-id: e5c0794f9c5415f14b54d16c6f35f902eafc3064
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davidaurelio authored and Facebook Github Bot committed Nov 23, 2016
1 parent 8016d83 commit f9d80a451a3009a5f62ce1321d456f4060d516c7
Showing with 29 additions and 14 deletions.
  1. +19 −14 packager/
  2. +10 −0 packager/react-packager/index.js
@@ -90,10 +90,11 @@ ReactPackager is how you mainly interact with the API.
var ReactPackager = require('./react-packager');

### ReactPackager.middleware(options)
### ReactPackager.buildBundle(serverOptions, bundleOptions)

Returns a function that can be used in a connect-like
middleware. Takes the following options:
Builds a bundle according to the provided options.

#### `serverOptions`

* `projectRoots` array (required): Is the roots where your JavaScript
file will exist
@@ -109,21 +110,25 @@ middleware. Takes the following options:
* `nonPersistent` boolean, defaults to false: Whether the server
should be used as a persistent deamon to watch files and update
* `assetRoots` array: Where should the packager look for assets
* `getTransformOptionsModulePath` string: Path to module that exports a function
that acts as a middleware for generating options to pass to the transformer
based on the bundle and module being transformed.

### ReactPackager.buildPackageFromUrl(options, url)

Build a package from a url (see the `.bundle` endpoint). `options` is
the same options that is passed to `ReactPackager.middleware`
based on the bundle being built.

### ReactPackager.getDependencies(options, main)
#### `bundleOptions`

Given an entry point module. Recursively collect all the dependent
modules and return it as an array. `options` is the same options that
is passed to `ReactPackager.middleware`
* `entryFile` string (required): the entry file of the bundle, relative to one
of the asset roots.
* `dev` boolean (defaults to `true`): sets a global `__DEV__` variable
which will effect how the React Native core libraries behave.
* `minify` boolean: Whether to minify code and apply production optimizations.
* `runModule` boolean (defaults to `true`): whether to require your entry
point module.
* `inlineSourceMap` boolean, defaults to false: whether to inline
source maps.
* `platform` string: The target platform for the build
* `generateSourceMaps` boolean: Whether to generate source maps.
* `sourceMapUrl` string: The url of the source map (will be appended to
the bundle).

## Debugging

@@ -15,6 +15,16 @@ const Logger = require('./src/Logger');

exports.createServer = createServer;
exports.Logger = Logger;

exports.buildBundle = function(options, bundleOptions) {
var server = createNonPersistentServer(options);
return server.buildBundle(bundleOptions)
.then(p => {
return p;

exports.getOrderedDependencyPaths = function(options, bundleOptions) {
var server = createNonPersistentServer(options);
return server.getOrderedDependencyPaths(bundleOptions)

2 comments on commit f9d80a4


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@davidaurelio davidaurelio replied Nov 23, 2016

cc @akaila


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@akaila akaila replied Nov 23, 2016

Thanks so much David !

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