feat: Add support for TypeScript project references (#991)

* Update all package.json and tsconfig.json

* fix(contracts): Make test/utils/web3_wrapper.ts compatible with project refs

* Fix webpack config for 0x.js

* Fix linter errors by adding rootDir to tsconfig.json as needed

* Add build:ts and watch:ts commands to package.json

* Update sra-spec to work with project references

* Update tsconfig.json with latest new/removed packages

* Add TypeScript as devDependency at root

* Add missing rootDir to forwarder-helper package

* Use a separate tsconfig file for typedoc

* Fix linter errors

* Apply PR feedback (add comments)

* Fix 0x.js tsconfig

packages/typescript-typings/package.json

@@ -6,8 +6,7 @@
     },
     "description": "0x project typescript type definitions",
     "scripts": {
-        "watch_without_deps": "tsc -w",
-        "build": "tsc",
+        "build": "tsc -b",
         "clean": "shx rm -rf lib"
     },
     "repository": {
@@ -32,6 +31,7 @@
     },
     "devDependencies": {
         "copyfiles": "^2.0.0",
+        "typescript": "3.0.1",
         "shx": "^0.2.2"
     },
     "publishConfig": {

packages/typescript-typings/tsconfig.json

@@ -1,6 +1,7 @@
 {
     "extends": "../../tsconfig",
     "compilerOptions": {
-        "outDir": "lib"
+        "outDir": "lib",
+        "rootDir": "."
     }
 }