[core] Last mile so we can release the lab 🔬 (mui#10441)

Add lerna. I'm far from convinced it's a good tool.
We can always move to use a custom script like [react-native-web](https://github.com/necolas/react-native-web/blob/ae7aa818fb16364ebacd344d941d50d86c4e5fa9/scripts/release/publish.js) or [React](https://github.com/facebook/react/tree/94518b068bf52196abea0c83f4c9926bfe2065c6/scripts/release) are doing.

lerna.json

@@ -0,0 +1,11 @@
+{
+  "lerna": "2.9.0",
+  "packages": [
+    "packages/*"
+  ],
+  "version": "independent",
+  "npmClient": "yarn",
+  "useWorkspaces": true,
+  "allowBranch": ["v1-beta"],
+  "concurrency": 2
+}

package.json

@@ -33,17 +33,9 @@
     "docs:deploy": "yarn docs:build && yarn docs:export && firebase deploy",
     "docs:size-why": "DOCS_STATS_ENABLED=true yarn docs:build",
     "docs:build-sw": "babel-node ./docs/scripts/buildServiceWorker.js",
-    "prebuild": "rimraf build",
-    "build:es2015": "cross-env NODE_ENV=production babel ./src --ignore *.spec.js --out-dir ./build",
-    "build:es2015modules": "cross-env NODE_ENV=production BABEL_ENV=modules babel ./src/index.js --out-file ./build/index.es.js",
-    "build:es": "cross-env NODE_ENV=production BABEL_ENV=es babel ./src --ignore *.spec.js --out-dir ./build/es",
-    "build:umd:dev": "webpack --config scripts/umd.webpack.config.js",
-    "build:umd:prod": "cross-env NODE_ENV=production webpack --config scripts/umd.webpack.config.js",
-    "build:copy-files": "babel-node ./scripts/copy-files.js",
-    "build": "yarn build:es2015 && yarn build:es2015modules && yarn build:es && yarn build:umd:dev && yarn build:umd:prod && yarn build:copy-files",
-    "prettier": "find . -name \"*.js\" -o -name \"*.d.ts\" -o -name \"*.tsx\" | grep -v -f .eslintignore | xargs prettier --write",
     "lint": "eslint . --cache && echo \"eslint: no lint errors\"",
     "lint:fix": "eslint . --cache --fix && echo \"eslint: no lint errors\"",
+    "prettier": "find . -name \"*.js\" -o -name \"*.d.ts\" -o -name \"*.tsx\" | grep -v -f .eslintignore | xargs prettier --write",
     "size": "size-limit",
     "size:why": "size-limit --why build/index.js",
     "size:overhead:why": "size-limit --why ./test/size/overhead.js",
@@ -58,9 +50,18 @@
     "typescript": "tsc -p tsconfig.json",
     "flow": "flow --show-all-errors",
     "argos": "argos upload test/regressions/screenshots/chrome --token $ARGOS_TOKEN || true",
+    "prebuild": "rimraf build",
+    "build:es2015": "cross-env NODE_ENV=production babel ./src --ignore *.spec.js --out-dir ./build",
+    "build:es2015modules": "cross-env NODE_ENV=production BABEL_ENV=modules babel ./src/index.js --out-file ./build/index.es.js",
+    "build:es": "cross-env NODE_ENV=production BABEL_ENV=es babel ./src --ignore *.spec.js --out-dir ./build/es",
+    "build:umd:dev": "webpack --config scripts/umd.webpack.config.js",
+    "build:umd:prod": "cross-env NODE_ENV=production webpack --config scripts/umd.webpack.config.js",
+    "build:copy-files": "babel-node ./scripts/copy-files.js",
+    "build": "yarn build:es2015 && yarn build:es2015modules && yarn build:es && yarn build:umd:dev && yarn build:umd:prod && yarn build:copy-files",
     "version": "yarn build",
     "release": "np --no-publish --any-branch",
-    "postrelease": "yarn docs:deploy && npm publish build --tag next"
+    "postrelease": "yarn docs:deploy && npm publish build --tag next",
+    "monorepo:release": "yarn lerna exec -- yarn build && ./node_modules/.bin/lerna publish --skip-npm"
   },
   "peerDependencies": {
     "react": "^15.3.0 || ^16.0.0",
@@ -160,6 +161,7 @@
     "karma-phantomjs-launcher": "^1.0.4",
     "karma-sourcemap-loader": "^0.3.7",
     "karma-webpack": "^2.0.6",
+    "lerna": "^2.9.0",
     "lz-string": "^1.4.4",
     "marked": "^0.3.12",
     "mocha": "^5.0.0",

packages/eslint-plugin-material-ui/package.json

@@ -2,10 +2,11 @@
   "name": "eslint-plugin-material-ui",
   "version": "1.0.0",
   "private": true,
-  "description": "Custom eslint rules for Material-UI",
+  "description": "Custom eslint rules for Material-UI.",
   "main": "src/index.js",
   "scripts": {
-    "test": "../../node_modules/.bin/mocha src/**/*.spec.js"
+    "test": "../../node_modules/.bin/mocha src/**/*.spec.js",
+    "build": "echo done"
   },
   "repository": {
     "type": "git",

packages/material-ui-codemod/package.json

@@ -1,8 +1,9 @@
 {
   "name": "material-ui-codemod",
+  "private": false,
   "author": "Material-UI Team",
   "version": "1.0.0-beta.23",
-  "description": "Codemod scripts for Material-UI",
+  "description": "Codemod scripts for Material-UI.",
   "keywords": [
     "react",
     "react-component",
@@ -16,7 +17,7 @@
     "test:unit": "cd ../../ && ./node_modules/.bin/mocha packages/material-ui-codemod/src/**/*.spec.js",
     "test:watch": "yarn test:unit --watch",
     "build": "../../node_modules/.bin/rimraf lib && ../../node_modules/.bin/babel ./src --out-dir ./lib",
-    "prepublish": "yarn build"
+    "version": "npm publish"
   },
   "repository": {
     "type": "git",

packages/material-ui-icons/package.json

@@ -1,6 +1,6 @@
 {
   "name": "material-ui-icons",
-  "private": true,
+  "private": false,
   "author": "Material-UI Team",
   "version": "1.0.0-beta.17",
   "description": "Material Design Svg Icons converted to Material-UI React components.",
@@ -22,19 +22,17 @@
   },
   "homepage": "https://github.com/mui-org/material-ui/tree/v1-beta/packages/material-ui-icons",
   "scripts": {
+    "test": "yarn test:unit",
+    "test:unit": "cd ../../ && ./node_modules/.bin/cross-env NODE_ENV=test ./node_modules/.bin/mocha packages/material-ui-icons/test/index.spec.js",
+    "test:watch": "yarn test:unit --watch",
     "prebuild": "../../node_modules/.bin/rimraf build",
     "build:es2015": "../../node_modules/.bin/cross-env NODE_ENV=production ../../node_modules/.bin/babel ./src --out-dir ./build",
     "build:es2015modules": "../../node_modules/.bin/cross-env NODE_ENV=production BABEL_ENV=modules ../../node_modules/.bin/babel ./src/index.js --out-file ./build/index.es.js",
     "build:copy-files": "../../node_modules/.bin/babel-node ./scripts/copy-files.js",
     "build:icons": "../../node_modules/.bin/babel-node ./builder.js --output-dir ./src --svg-dir ../../node_modules/material-design-icons --glob '/**/production/*_24px.svg' --renameFilter ./filters/rename/material-design-icons.js",
     "build:typings": "../../node_modules/.bin/babel-node ./scripts/create-typings.js",
-    "build": "yarn build:icons && yarn build:es2015 && yarn build:es2015modules && yarn build:copy-files && yarn build:typings",
-    "version": "yarn build",
-    "release": "np --no-publish --any-branch",
-    "postrelease": "npm publish build",
-    "test": "yarn test:unit",
-    "test:unit": "cd ../../ && ./node_modules/.bin/cross-env NODE_ENV=test ./node_modules/.bin/mocha packages/material-ui-icons/test/index.spec.js",
-    "test:watch": "yarn test:unit --watch"
+    "build": "yarn build:icons && yarn build:es2015 && yarn build:es2015modules && yarn build:typings && yarn build:copy-files",
+    "version": "yarn build:copy-files && npm publish build"
   },
   "peerDependencies": {
     "material-ui": "^1.0.0-beta.16",

packages/material-ui-icons/scripts/copy-files.js

@@ -17,7 +17,6 @@ async function createPackageFile() {
     main: './index.js',
     module: './index.es.js',
     typings: './index.d.ts',
-    private: false,
   };
   const buildPath = path.resolve(__dirname, '../build/package.json');
 

packages/material-ui-lab/package.json

@@ -1,8 +1,8 @@
 {
   "name": "@material-ui/lab",
-  "private": true,
+  "private": false,
   "author": "Material-UI Team",
-  "version": "1.0.0-alpha.1",
+  "version": "1.0.0-alpha.0",
   "description": "Material-UI Lab - Incubator for Material-UI React components.",
   "main": "./src/index.js",
   "keywords": [
@@ -22,25 +22,22 @@
   },
   "homepage": "https://github.com/mui-org/material-ui/tree/v1-beta/packages/material-ui-lab",
   "scripts": {
+    "test": "yarn test:unit",
+    "test:unit": "cd ../../ && ./node_modules/.bin/cross-env NODE_ENV=test ./node_modules/.bin/mocha packages/material-ui-lab/src/{,**/}*.spec.js",
+    "test:watch": "yarn test:unit --watch",
     "prebuild": "../../node_modules/.bin/rimraf build",
     "build:es2015": "../../node_modules/.bin/cross-env NODE_ENV=production ../../node_modules/.bin/babel ./src --out-dir ./build",
     "build:es2015modules": "../../node_modules/.bin/cross-env NODE_ENV=production BABEL_ENV=modules ../../node_modules/.bin/babel ./src/index.js --out-file ./build/index.es.js",
     "build:copy-files": "../../node_modules/.bin/babel-node ./scripts/copy-files.js",
-    "build": "yarn build:es2015 && npm run build:es2015modules && npm run build:copy-files",
-    "test": "yarn test:unit",
-    "test:unit": "cd ../../ && ./node_modules/.bin/cross-env NODE_ENV=test ./node_modules/.bin/mocha packages/material-ui-lab/src/{,**/}*.spec.js",
-    "test:watch": "yarn test:unit --watch",
-    "version": "yarn build",
-    "release": "np --no-publish --any-branch",
-    "postrelease": "npm publish build"
+    "build": "yarn build:es2015 && yarn build:es2015modules && yarn build:copy-files",
+    "version": "yarn build:copy-files && npm publish build"
   },
   "peerDependencies": {
     "material-ui": "^1.0.0-beta.33",
     "material-ui-icons": "^1.0.0-beta.17",
     "react": "^15.3.0 || ^16.0.0",
     "react-dom": "^15.3.0 || ^16.0.0"
   },
-  "dependencies": {},
   "devDependencies": {
     "material-ui": "^1.0.0-beta.33",
     "material-ui-icons": "^1.0.0-beta.17"

packages/material-ui-lab/scripts/copy-files.js

@@ -16,8 +16,6 @@ async function createPackageFile() {
     ...packageDataOther,
     main: './index.js',
     module: './index.es.js',
-    typings: './index.d.ts',
-    private: false,
   };
   const buildPath = path.resolve(__dirname, '../build/package.json');