index.js

#!/usr/bin/env node
const generateIOSAdapters = require("./adapters/ios");
const generateAndroidAdapters = require("./adapters/android");
const downloadEspressoFileByClass = require("./utils/downloadEspresso");
const downloadFile = require("./utils/downloadFile");

const iosFiles = {
	"../detox/ios/EarlGrey/EarlGrey/Action/GREYActions.h":
		"../detox/src/ios/earlgreyapi/GREYActions.js",
	"../detox/ios/Detox/GREYMatchers+Detox.h":
		"../detox/src/ios/earlgreyapi/GREYMatchers+Detox.js",
	"../detox/ios/EarlGrey/EarlGrey/Matcher/GREYMatchers.h":
		"../detox/src/ios/earlgreyapi/GREYMatchers.js",
	"../detox/ios/EarlGrey/EarlGrey/Core/GREYInteraction.h":
		"../detox/src/ios/earlgreyapi/GREYInteraction.js",
	"../detox/ios/Detox/GREYCondition+Detox.h":
		"../detox/src/ios/earlgreyapi/GREYConditionDetox.js",
	"../detox/ios/EarlGrey/EarlGrey/Synchronization/GREYCondition.h":
		"../detox/src/ios/earlgreyapi/GREYCondition.js",
	"../detox/ios/Detox/GREYConfiguration+Detox.h":
		"../detox/src/ios/earlgreyapi/GREYConfigurationDetox.js",
	"../detox/ios/EarlGrey/EarlGrey/Common/GREYConfiguration.h":
		"../detox/src/ios/earlgreyapi/GREYConfiguration.js",
	"../detox/ios/EarlGrey/EarlGrey/EarlGrey.h":
		"../detox/src/ios/earlgreyapi/EarlGrey.js"
};

generateIOSAdapters(iosFiles);
const espressoFilesToDownload = {
	"android.support.test.espresso.action.ViewActions":
		"../detox/src/android/espressoapi/ViewActions.js"
};

const downloadedEspressoFilesMap = Object.entries(
	espressoFilesToDownload
).reduce(
	(obj, [fullyQualifiedClass, dest]) => ({
		...obj,
		[downloadEspressoFileByClass(fullyQualifiedClass)]: dest
	}),
	{}
);

const externalFilesToDownload = {
	'https://android.googlesource.com/platform/frameworks/uiautomator/+/master/src/com/android/uiautomator/core/UiDevice.java?format=TEXT': '../detox/src/android/espressoapi/UIDevice.js'
}

const downloadedAndroidFilesMap = Object.entries(
	externalFilesToDownload
).reduce(
	(obj, [url, dest]) => ({
		...obj,
		[downloadFile(url)]: dest
	}),
	{}
);

const androidFiles = {
  ...downloadedAndroidFilesMap,
  ...downloadedEspressoFilesMap,
  '../detox/android/detox/src/main/java/com/wix/detox/espresso/DetoxAction.java': '../detox/src/android/espressoapi/DetoxAction.js',
  '../detox/android/detox/src/main/java/com/wix/detox/espresso/DetoxMatcher.java': '../detox/src/android/espressoapi/DetoxMatcher.js',
  '../detox/android/detox/src/main/java/com/wix/detox/Detox.java': '../detox/src/android/espressoapi/Detox.js',
  '../detox/android/detox/src/main/java/com/wix/detox/espresso/EspressoDetox.java': '../detox/src/android/espressoapi/EspressoDetox.js',
  '../detox/android/detox/src/main/java/com/wix/detox/uiautomator/UiAutomator.java': '../detox/src/android/espressoapi/UIAutomator.js',
};
generateAndroidAdapters(androidFiles);