[core] Deduplicate packages (mui#16608)

* [core] Deduplicate packages

* Deduplicate

* Move task to checkout job

* Remove postinstall check, remove function wrapper

Author: merceyz

.circleci/config.yml

@@ -41,6 +41,9 @@ jobs:
       - run:
           name: Should not have any git not staged
           command: git diff --exit-code
+      - run:
+          name: Check for duplicated packages
+          command: yarn deduplicate
       - save_cache:
           key: v2-yarn-sha-{{ checksum "yarn.lock" }}
           paths:

package.json

@@ -2,6 +2,7 @@
   "version": "4.2.1",
   "private": true,
   "scripts": {
+    "deduplicate": "node scripts/deduplicate.js",
     "argos": "argos upload test/regressions/screenshots/chrome --token $ARGOS_TOKEN",
     "docs:api": "rimraf ./pages/api && cross-env BABEL_ENV=test babel-node ./docs/scripts/buildApi.js ./packages/material-ui/src ./pages/api && cross-env BABEL_ENV=test babel-node ./docs/scripts/buildApi.js ./packages/material-ui-lab/src ./pages/api",
     "docs:build": "rimraf .next && cross-env NODE_ENV=production BABEL_ENV=docs-production next build",
@@ -201,7 +202,8 @@
     "webfontloader": "^1.6.28",
     "webpack": "^4.28.4",
     "webpack-bundle-analyzer": "^3.0.0",
-    "webpack-cli": "^3.2.3"
+    "webpack-cli": "^3.2.3",
+    "yarn-deduplicate": "^1.1.1"
   },
   "resolutions": {
     "**/hoist-non-react-statics": "^3.2.1"

scripts/deduplicate.js

@@ -0,0 +1,42 @@
+/* eslint-disable no-console */
+
+const { spawn } = require('child_process');
+const path = require('path');
+const fs = require('fs');
+const deduplicate = require('yarn-deduplicate');
+
+const lockFile = path.resolve(__dirname, '../yarn.lock');
+const yarnlock = fs.readFileSync(lockFile, 'utf8');
+
+const duplicates = deduplicate.listDuplicates(yarnlock);
+if (duplicates.length === 0) {
+  console.log('No duplicated packages found');
+  process.exit(0);
+}
+
+console.log(
+  `${duplicates.length} duplicated package(s) found\n${duplicates.map(x => `  ${x}`).join('\n')}`,
+);
+
+if (process.env.CI) {
+  console.error(
+    [
+      `Error: There are currently ${duplicates.length} duplicated package(s).`,
+      `To deduplicate run "yarn deduplicate"`,
+    ].join('\n'),
+  );
+  process.exit(1);
+}
+
+console.log('Deduplicating package(s)');
+fs.writeFileSync(lockFile, deduplicate.fixDuplicates(yarnlock));
+
+const yarn = spawn('yarn', {
+  shell: true,
+  stdio: 'inherit',
+  cwd: path.resolve(__dirname, '..'),
+});
+
+yarn.on('close', code => {
+  process.exit(code);
+});

yarn.lock

@@ -2652,6 +2652,11 @@
   resolved "https://registry.yarnpkg.com/@xtuc/long/-/long-4.2.2.tgz#d291c6a4e97989b5c61d9acf396ae4fe133a718d"
   integrity sha512-NuHqBY1PB/D8xU6s/thBgOAiAP7HOYDQ32+BFZILJ8ivkUkAHQnWfn6WhL79Owj1qmUnoN/YPhktdIoucipkAQ==
 
+"@yarnpkg/lockfile@^1.1.0":
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/@yarnpkg/lockfile/-/lockfile-1.1.0.tgz#e77a97fbd345b76d83245edcd17d393b1b41fb31"
+  integrity sha512-GpSwvyXOcOOlV70vbnzjj4fW5xW/FdUF6nQEt1ENy7m4ZCczi1+/buVUPAqmGfqznsORNFzUMjctTIp8a9tuCQ==
+
 "@zeit/next-typescript@^1.1.1":
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/@zeit/next-typescript/-/next-typescript-1.1.1.tgz#0b0ddfbb13ca04cde52ac2718473f1b9c40ba0ee"
@@ -4325,7 +4330,7 @@ [email protected], commander@~2.9.0:
   dependencies:
     graceful-readlink ">= 1.0.0"
 
-commander@^2.11.0, commander@^2.12.1, commander@^2.18.0, commander@^2.19.0, commander@^2.8.1, commander@^2.9.0, commander@~2.20.0:
+commander@^2.10.0, commander@^2.11.0, commander@^2.12.1, commander@^2.18.0, commander@^2.19.0, commander@^2.8.1, commander@^2.9.0, commander@~2.20.0:
   version "2.20.0"
   resolved "https://registry.yarnpkg.com/commander/-/commander-2.20.0.tgz#d58bb2b5c1ee8f87b0d340027e9e94e222c5a422"
   integrity sha512-7j2y+40w61zy6YC2iRNpUe/NwhNyoXrYpHMrSunaMG64nRnaf96zO/KMQR4OyN/UnE5KLyEBnKHd4aG3rskjpQ==
@@ -14757,6 +14762,15 @@ yargs@^12.0.0, yargs@^12.0.1, yargs@^12.0.5:
     y18n "^3.2.1 || ^4.0.0"
     yargs-parser "^11.1.1"
 
+yarn-deduplicate@^1.1.1:
+  version "1.1.1"
+  resolved "https://registry.yarnpkg.com/yarn-deduplicate/-/yarn-deduplicate-1.1.1.tgz#19b4a87654b66f55bf3a4bd6b153b4e4ab1b6e6d"
+  integrity sha512-2FDJ1dFmtvqhRmfja89ohYzpaheCYg7BFBSyaUq+kxK0y61C9oHv1XaQovCWGJtP2WU8PksQOgzMVV7oQOobzw==
+  dependencies:
+    "@yarnpkg/lockfile" "^1.1.0"
+    commander "^2.10.0"
+    semver "^5.3.0"
+
 [email protected]:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/yauzl/-/yauzl-2.4.1.tgz#9528f442dab1b2284e58b4379bb194e22e0c4005"