From 17e9e7dcd2c2b43f8f5a5331c38151353bf63802 Mon Sep 17 00:00:00 2001
From: Thomas Allmer <d4kmor@gmail.com>
Date: Mon, 26 Oct 2020 13:05:20 +0100
Subject: [PATCH] chore: change types workflow

---
 .changeset/hot-kiwis-allow.md                 |  11 ++
 .github/workflows/release.yml                 |   2 +-
 .gitignore                                    |   4 +
 package.json                                  |  16 ++-
 .../test-node/integration.test.js             |  25 ++--
 .../test-node/mpa-integration.test.js         |  25 ++--
 packages/import-maps-resolve/package.json     |   9 +-
 packages/import-maps-resolve/tsconfig.json    |  25 +++-
 packages/mdjs/index.d.ts                      |   7 -
 packages/mdjs/package.json                    |   5 +-
 packages/mdjs/{types => src}/global.d.ts      |   0
 packages/mdjs/tsconfig.json                   |  23 ++++
 packages/polyfills-loader/package.json        |   6 +-
 .../src/inject-polyfills-loader.js            |   3 +
 packages/polyfills-loader/src/utils.js        |   2 +
 packages/polyfills-loader/tsconfig.json       |  25 +++-
 packages/scoped-elements/package.json         |   4 +-
 packages/scoped-elements/tsconfig.json        |  23 ++++
 packages/semantic-dom-diff/package.json       |   3 +-
 packages/semantic-dom-diff/tsconfig.json      |  23 ++++
 .../{types => src}/global.d.ts                |   0
 packages/testing-helpers/package.json         |  10 +-
 .../src/scopedElementsWrapper.js              |   2 +
 packages/testing-helpers/tsconfig.json        |  27 ++++
 packages/testing/index-no-side-effects.d.ts   |  28 ++--
 packages/testing/index.d.ts                   |  32 ++---
 packages/testing/index.js                     |   2 +-
 scripts/generate-ts-configs.mjs               | 113 ++++++++++++++++
 tsconfig.browser-base.json                    |  20 +++
 tsconfig.json                                 |  51 ++++---
 tsconfig.node-base.json                       |  31 +++++
 workspace-packages.mjs                        |  10 ++
 yarn.lock                                     | 127 ++++++++++++++++--
 33 files changed, 559 insertions(+), 135 deletions(-)
 create mode 100644 .changeset/hot-kiwis-allow.md
 delete mode 100644 packages/mdjs/index.d.ts
 rename packages/mdjs/{types => src}/global.d.ts (100%)
 create mode 100644 packages/mdjs/tsconfig.json
 create mode 100644 packages/scoped-elements/tsconfig.json
 create mode 100644 packages/semantic-dom-diff/tsconfig.json
 rename packages/storybook-addon-markdown-docs/{types => src}/global.d.ts (100%)
 create mode 100644 packages/testing-helpers/tsconfig.json
 create mode 100644 scripts/generate-ts-configs.mjs
 create mode 100644 tsconfig.browser-base.json
 create mode 100644 tsconfig.node-base.json
 create mode 100644 workspace-packages.mjs

diff --git a/.changeset/hot-kiwis-allow.md b/.changeset/hot-kiwis-allow.md
new file mode 100644
index 000000000..980728716
--- /dev/null
+++ b/.changeset/hot-kiwis-allow.md
@@ -0,0 +1,11 @@
+---
+'@import-maps/resolve': patch
+'@mdjs/core': patch
+'polyfills-loader': patch
+'@open-wc/scoped-elements': patch
+'@open-wc/semantic-dom-diff': patch
+'@open-wc/testing': patch
+'@open-wc/testing-helpers': patch
+---
+
+Change type distribution workflow
diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
index 6ebfbca9a..32c078a4e 100644
--- a/.github/workflows/release.yml
+++ b/.github/workflows/release.yml
@@ -40,7 +40,7 @@ jobs:
         run: yarn --frozen-lockfile
 
       - name: Build types
-        run: yarn build:types
+        run: yarn types
 
       - name: Create Release Pull Request or Publish to npm
         id: changesets
diff --git a/.gitignore b/.gitignore
index 180e89a35..1b28250e0 100644
--- a/.gitignore
+++ b/.gitignore
@@ -8,6 +8,10 @@
 ## code coverage folders
 coverage/
 
+## generated types
+packages/*/types
+tsconfig.tsbuildinfo
+
 ## npm
 node_modules
 !packages/es-dev-server/test/**/node_modules
diff --git a/package.json b/package.json
index 7f009890d..3777ab847 100644
--- a/package.json
+++ b/package.json
@@ -3,7 +3,6 @@
   "private": true,
   "license": "MIT",
   "scripts": {
-    "build:types": "tsc -p tsconfig.build.types.json",
     "codelabs:build": "node ./packages/codelabs/build-codelabs.js",
     "docs:build": "rimraf _site && node cli-build.js",
     "docs:serve-build": "node packages/es-dev-server/dist/cli.js -o docs/",
@@ -14,10 +13,12 @@
     "lint": "run-p lint:*",
     "lint:eslint": "eslint --ext .js,.html .",
     "lint:prettier": "prettier \"**/*.{js,md}\" \"**/package.json\" --check",
-    "lint:types": "tsc",
+    "lint:types": "npm run types",
     "lint:versions": "node ./scripts/lint-versions.js",
-    "postinstall": "patch-package",
+    "postinstall": "patch-package && npm run setup",
     "release": "changeset publish && yarn format",
+    "setup": "npm run setup:ts-configs",
+    "setup:ts-configs": "node scripts/generate-ts-configs.mjs",
     "site:build": "npm run docs:build && node scripts/workspaces-scripts-bin.mjs site:build",
     "site:start": "npm run docs:start",
     "start": "npm run docs:start",
@@ -25,6 +26,10 @@
     "test:node": "mocha \"packages/*/test-node/**/*.test.{ts,js,mjs,cjs}\" --exit --retries 3",
     "test:node:watch": "mocha \"packages/*/test-node/**/*.test.{ts,js,mjs,cjs}\" --watch",
     "test:web": "web-test-runner",
+    "types": "run-s types:clear types:copy types:build",
+    "types:build": "tsc --build",
+    "types:clear": "rimraf packages/*/types/",
+    "types:copy": "node scripts/workspaces-scripts-bin.mjs types:copy",
     "update-dependency": "node scripts/update-dependency.js"
   },
   "dependencies": {
@@ -41,11 +46,13 @@
     "@types/eslint": "^7.2.4",
     "@types/estree": "^0.0.45",
     "@types/parse5-htmlparser2-tree-adapter": "^5.0.1",
+    "@web/dev-server": "^0.0.15",
     "@web/test-runner": "^0.9.5",
     "@web/test-runner-playwright": "^0.6.4",
     "babel-eslint": "^10.0.3",
     "chai": "^4.2.0",
     "concurrently": "^5.2.0",
+    "copyfiles": "^2.4.0",
     "core-js": "2.6.10",
     "eslint": "^7.6.0",
     "eslint-config-airbnb-base": "^14.0.0",
@@ -68,8 +75,7 @@
     "rollup": "^2.7.2",
     "rollup-plugin-copy": "^3.3.0",
     "sinon": "^7.4.1",
-    "typescript": "~4.0.3",
-    "webpack-merge": "^4.1.5"
+    "typescript": "~4.0.3"
   },
   "resolutions": {
     "@types/estree": "0.0.45"
diff --git a/packages/building-rollup/test-node/integration.test.js b/packages/building-rollup/test-node/integration.test.js
index adf799889..64fa5ec71 100644
--- a/packages/building-rollup/test-node/integration.test.js
+++ b/packages/building-rollup/test-node/integration.test.js
@@ -5,39 +5,38 @@ const path = require('path');
 const fs = require('fs');
 const rimraf = require('rimraf');
 const { rollup } = require('rollup');
-const { startServer, createConfig } = require('es-dev-server');
+const { startDevServer } = require('@web/dev-server');
 
 const rootDir = path.resolve(__dirname, '..', 'dist');
 
 describe('integration tests', () => {
   let server;
-  let serverConfig;
   /** @type {import('puppeteer').Browser} */
   let browser;
 
   before(async () => {
-    serverConfig = createConfig({
-      port: 8081,
-      rootDir,
+    server = await startDevServer({
+      config: {
+        port: 8081,
+        rootDir,
+      },
+      readCliArgs: false,
+      readFileConfig: false,
+      logStartMessage: false,
+      clearTerminalOnReload: false,
     });
-
-    ({ server } = await startServer(serverConfig));
     browser = await puppeteer.launch();
     rimraf.sync(rootDir);
   });
 
   after(async () => {
     await browser.close();
-    await new Promise(resolve =>
-      server.close(() => {
-        resolve();
-      }),
-    );
+    await server.stop();
   });
 
   ['js/rollup.spa.config.js', 'js/rollup.spa-nomodule.config.js'].forEach(testCase => {
     describe(`testcase ${testCase}`, function describe() {
-      this.timeout(20000);
+      this.timeout(30000);
       let page;
 
       before(async () => {
diff --git a/packages/building-rollup/test-node/mpa-integration.test.js b/packages/building-rollup/test-node/mpa-integration.test.js
index 9ad592bd2..ec1aad063 100644
--- a/packages/building-rollup/test-node/mpa-integration.test.js
+++ b/packages/building-rollup/test-node/mpa-integration.test.js
@@ -5,38 +5,37 @@ const path = require('path');
 const fs = require('fs');
 const rimraf = require('rimraf');
 const { rollup } = require('rollup');
-const { startServer, createConfig } = require('es-dev-server');
+const { startDevServer } = require('@web/dev-server');
 
 const rootDir = path.resolve(__dirname, '..', 'dist');
 
 describe('integration tests', () => {
   let server;
-  let serverConfig;
   /** @type {import('puppeteer').Browser} */
   let browser;
 
   before(async () => {
-    serverConfig = createConfig({
-      port: 8081,
-      rootDir,
+    server = await startDevServer({
+      config: {
+        port: 8081,
+        rootDir,
+      },
+      readCliArgs: false,
+      readFileConfig: false,
+      logStartMessage: false,
+      clearTerminalOnReload: false,
     });
-
-    ({ server } = await startServer(serverConfig));
     browser = await puppeteer.launch();
     rimraf.sync(rootDir);
   });
 
   after(async () => {
     await browser.close();
-    await new Promise(resolve =>
-      server.close(() => {
-        resolve();
-      }),
-    );
+    await server.stop();
   });
 
   describe(`Mpa Config`, function describe() {
-    this.timeout(20000);
+    this.timeout(30000);
     let page;
 
     before(async () => {
diff --git a/packages/import-maps-resolve/package.json b/packages/import-maps-resolve/package.json
index 574413e78..b6755de2f 100644
--- a/packages/import-maps-resolve/package.json
+++ b/packages/import-maps-resolve/package.json
@@ -17,15 +17,18 @@
   "scripts": {
     "prepublishOnly": "../../scripts/insert-header.js",
     "test": "npm run test:node",
-    "test:node": "mocha test/run-tests.js"
+    "test:node": "mocha test/run-tests.js",
+    "types:copy": "copyfiles \"./src/**/*.d.ts\" \"./*.d.ts\" types"
   },
   "files": [
     "*.d.ts",
     "*.js",
-    "src"
+    "src",
+    "types"
   ],
   "keywords": [
     "import-map",
     "import-maps"
-  ]
+  ],
+  "types": "types/index.d.ts"
 }
diff --git a/packages/import-maps-resolve/tsconfig.json b/packages/import-maps-resolve/tsconfig.json
index e3a3ad6ea..048af6cc1 100644
--- a/packages/import-maps-resolve/tsconfig.json
+++ b/packages/import-maps-resolve/tsconfig.json
@@ -1,6 +1,23 @@
+// Don't edit this file directly. It is generated by /scripts/update-package-configs.ts
+
 {
-  "extends": "../../tsconfig.json",
+  "extends": "../../tsconfig.node-base.json",
   "compilerOptions": {
-    "strict": true
-  }
-}
+    "module": "commonjs",
+    "outDir": "./types",
+    "rootDir": ".",
+    "composite": true,
+    "allowJs": true,
+    "checkJs": true,
+    "emitDeclarationOnly": true
+  },
+  "references": [],
+  "include": [
+    "src",
+    "*.js"
+  ],
+  "exclude": [
+    "dist",
+    "types"
+  ]
+}
\ No newline at end of file
diff --git a/packages/mdjs/index.d.ts b/packages/mdjs/index.d.ts
deleted file mode 100644
index 42bb59263..000000000
--- a/packages/mdjs/index.d.ts
+++ /dev/null
@@ -1,7 +0,0 @@
-import { mdjsParse } from './src/mdjsParse';
-import { mdjsStoryParse } from './src/mdjsStoryParse';
-import { mdjsDocPage } from './src/mdjsDocPage';
-import { resolveToUnpkg } from './src/resolveToUnpkg';
-
-export { MarkdownResult, ParseResult, Story, ProcessResult, MdjsProcessPlugin } from './src/types';
-export { mdjsParse, mdjsStoryParse, mdjsDocPage, resolveToUnpkg };
diff --git a/packages/mdjs/package.json b/packages/mdjs/package.json
index c1c15a77e..c11397059 100644
--- a/packages/mdjs/package.json
+++ b/packages/mdjs/package.json
@@ -21,7 +21,8 @@
     "start:stories": "node ../es-dev-server/dist/cli.js -c demo/stories/server.js --root-dir ../../",
     "test": "npm run test:node",
     "test:node": "mocha test-node",
-    "test:watch": "mocha test-node --watch"
+    "test:watch": "mocha test-node --watch",
+    "types:copy": "copyfiles -f \"./types-global/**/*.d.ts\" types"
   },
   "files": [
     "*.d.ts",
@@ -61,5 +62,5 @@
     "remark-slug": "^5.1.2",
     "remark-stringify": "^7.0.4"
   },
-  "types": "index.d.ts"
+  "types": "./types/index.d.ts"
 }
diff --git a/packages/mdjs/types/global.d.ts b/packages/mdjs/src/global.d.ts
similarity index 100%
rename from packages/mdjs/types/global.d.ts
rename to packages/mdjs/src/global.d.ts
diff --git a/packages/mdjs/tsconfig.json b/packages/mdjs/tsconfig.json
new file mode 100644
index 000000000..048af6cc1
--- /dev/null
+++ b/packages/mdjs/tsconfig.json
@@ -0,0 +1,23 @@
+// Don't edit this file directly. It is generated by /scripts/update-package-configs.ts
+
+{
+  "extends": "../../tsconfig.node-base.json",
+  "compilerOptions": {
+    "module": "commonjs",
+    "outDir": "./types",
+    "rootDir": ".",
+    "composite": true,
+    "allowJs": true,
+    "checkJs": true,
+    "emitDeclarationOnly": true
+  },
+  "references": [],
+  "include": [
+    "src",
+    "*.js"
+  ],
+  "exclude": [
+    "dist",
+    "types"
+  ]
+}
\ No newline at end of file
diff --git a/packages/polyfills-loader/package.json b/packages/polyfills-loader/package.json
index 7485a6b2d..2a6e5cabc 100644
--- a/packages/polyfills-loader/package.json
+++ b/packages/polyfills-loader/package.json
@@ -22,7 +22,8 @@
     "test": "npm run test:node",
     "test:node": "mocha test/**/*.test.js test/**/*.test.js",
     "test:update-snapshots": "mocha test/**/*.test.js test/**/*.test.js --update-snapshots",
-    "test:watch": "mocha test/**/*.test.js test/**/*.test.js --watch"
+    "test:watch": "mocha test/**/*.test.js test/**/*.test.js --watch",
+    "types:copy": "copyfiles \"./src/**/*.d.ts\" \"./*.d.ts\" types"
   },
   "files": [
     "index.d.ts",
@@ -50,5 +51,6 @@
     "@types/babel__core": "^7.1.3",
     "@types/parse5": "^5.0.2",
     "@types/valid-url": "^1.0.2"
-  }
+  },
+  "types": "types/index.d.ts"
 }
diff --git a/packages/polyfills-loader/src/inject-polyfills-loader.js b/packages/polyfills-loader/src/inject-polyfills-loader.js
index a5fdb981f..74edbdc42 100644
--- a/packages/polyfills-loader/src/inject-polyfills-loader.js
+++ b/packages/polyfills-loader/src/inject-polyfills-loader.js
@@ -11,7 +11,9 @@ const {
   insertAfter,
   append,
   cloneNode,
+  // @ts-ignore
 } = require('@open-wc/building-utils/dom5-fork');
+// @ts-ignore
 const { createScript, createElement, findImportMapScripts } = require('@open-wc/building-utils');
 const { createPolyfillsLoader } = require('./create-polyfills-loader');
 const { hasFileOfType, fileTypes } = require('./utils');
@@ -70,6 +72,7 @@ function injectLoaderScript(bodyAst, polyfillsLoader) {
  * @param {PolyfillsLoaderConfig} cfg
  */
 function injectPrefetchLinks(headAst, cfg) {
+  // @ts-ignore
   for (const file of cfg.modern.files) {
     const { path } = file;
     const href = path.startsWith('.') || path.startsWith('/') ? path : `./${path}`;
diff --git a/packages/polyfills-loader/src/utils.js b/packages/polyfills-loader/src/utils.js
index b55813401..dd5de2016 100644
--- a/packages/polyfills-loader/src/utils.js
+++ b/packages/polyfills-loader/src/utils.js
@@ -3,6 +3,7 @@
 /** @typedef {import('./types').FileType} FileType */
 /** @typedef {import('./types').PolyfillsLoaderConfig} PolyfillsLoaderConfig */
 
+// @ts-ignore
 const { getAttribute } = require('@open-wc/building-utils/dom5-fork');
 const crypto = require('crypto');
 
@@ -54,6 +55,7 @@ function getScriptFileType(script) {
  */
 function hasFileOfType(cfg, type) {
   return (
+    // @ts-ignore
     cfg.modern.files.some(f => f.type === type) ||
     (cfg.legacy && cfg.legacy.some(e => e.files.some(f => f.type === type)))
   );
diff --git a/packages/polyfills-loader/tsconfig.json b/packages/polyfills-loader/tsconfig.json
index e3a3ad6ea..048af6cc1 100644
--- a/packages/polyfills-loader/tsconfig.json
+++ b/packages/polyfills-loader/tsconfig.json
@@ -1,6 +1,23 @@
+// Don't edit this file directly. It is generated by /scripts/update-package-configs.ts
+
 {
-  "extends": "../../tsconfig.json",
+  "extends": "../../tsconfig.node-base.json",
   "compilerOptions": {
-    "strict": true
-  }
-}
+    "module": "commonjs",
+    "outDir": "./types",
+    "rootDir": ".",
+    "composite": true,
+    "allowJs": true,
+    "checkJs": true,
+    "emitDeclarationOnly": true
+  },
+  "references": [],
+  "include": [
+    "src",
+    "*.js"
+  ],
+  "exclude": [
+    "dist",
+    "types"
+  ]
+}
\ No newline at end of file
diff --git a/packages/scoped-elements/package.json b/packages/scoped-elements/package.json
index c404e03bf..dff40e531 100644
--- a/packages/scoped-elements/package.json
+++ b/packages/scoped-elements/package.json
@@ -24,7 +24,8 @@
     "start:no-scope": "es-dev-server -c demo/no-scope/server.js",
     "start:with-scope": "es-dev-server -c demo/with-scope/server.js",
     "test": "cd ../../ && yarn test:browser --grep \"packages/scoped-elements/test/*.test.js\"",
-    "test:watch": "cd ../../ && yarn test:browser:watch --grep \"packages/scoped-elements/test/*.test.js\""
+    "test:watch": "cd ../../ && yarn test:browser:watch --grep \"packages/scoped-elements/test/*.test.js\"",
+    "types:copy": "copyfiles \"./src/**/*.d.ts\" \"./*.d.ts\" types"
   },
   "files": [
     "*.d.ts",
@@ -42,5 +43,6 @@
     "@open-wc/dedupe-mixin": "^1.3.0",
     "lit-html": "^1.0.0"
   },
+  "types": "types/index.d.ts",
   "sideEffects": false
 }
diff --git a/packages/scoped-elements/tsconfig.json b/packages/scoped-elements/tsconfig.json
new file mode 100644
index 000000000..da4950839
--- /dev/null
+++ b/packages/scoped-elements/tsconfig.json
@@ -0,0 +1,23 @@
+// Don't edit this file directly. It is generated by /scripts/update-package-configs.ts
+
+{
+  "extends": "../../tsconfig.browser-base.json",
+  "compilerOptions": {
+    "module": "ESNext",
+    "outDir": "./types",
+    "rootDir": ".",
+    "composite": true,
+    "allowJs": true,
+    "checkJs": true,
+    "emitDeclarationOnly": true
+  },
+  "references": [],
+  "include": [
+    "src",
+    "*.js"
+  ],
+  "exclude": [
+    "dist",
+    "types"
+  ]
+}
\ No newline at end of file
diff --git a/packages/semantic-dom-diff/package.json b/packages/semantic-dom-diff/package.json
index 3cfb6ae75..38c2c326e 100644
--- a/packages/semantic-dom-diff/package.json
+++ b/packages/semantic-dom-diff/package.json
@@ -29,5 +29,6 @@
   ],
   "dependencies": {
     "@types/chai": "^4.2.11"
-  }
+  },
+  "types": "types/index.d.ts"
 }
diff --git a/packages/semantic-dom-diff/tsconfig.json b/packages/semantic-dom-diff/tsconfig.json
new file mode 100644
index 000000000..da4950839
--- /dev/null
+++ b/packages/semantic-dom-diff/tsconfig.json
@@ -0,0 +1,23 @@
+// Don't edit this file directly. It is generated by /scripts/update-package-configs.ts
+
+{
+  "extends": "../../tsconfig.browser-base.json",
+  "compilerOptions": {
+    "module": "ESNext",
+    "outDir": "./types",
+    "rootDir": ".",
+    "composite": true,
+    "allowJs": true,
+    "checkJs": true,
+    "emitDeclarationOnly": true
+  },
+  "references": [],
+  "include": [
+    "src",
+    "*.js"
+  ],
+  "exclude": [
+    "dist",
+    "types"
+  ]
+}
\ No newline at end of file
diff --git a/packages/storybook-addon-markdown-docs/types/global.d.ts b/packages/storybook-addon-markdown-docs/src/global.d.ts
similarity index 100%
rename from packages/storybook-addon-markdown-docs/types/global.d.ts
rename to packages/storybook-addon-markdown-docs/src/global.d.ts
diff --git a/packages/testing-helpers/package.json b/packages/testing-helpers/package.json
index 59a296109..b571052d7 100644
--- a/packages/testing-helpers/package.json
+++ b/packages/testing-helpers/package.json
@@ -14,13 +14,11 @@
   "author": "open-wc",
   "homepage": "https://github.com/open-wc/open-wc/tree/master/packages/testing-helpers",
   "module": "index.js",
-  "scripts": {
-    "prepublishOnly": "../../scripts/insert-header.js"
-  },
   "files": [
     "*.d.ts",
     "*.js",
-    "src"
+    "src",
+    "types"
   ],
   "keywords": [
     "testing",
@@ -33,7 +31,5 @@
     "lit-element": "^2.2.1",
     "lit-html": "^1.0.0"
   },
-  "devDependencies": {
-    "webpack-merge": "^4.1.5"
-  }
+  "types": "types/index.d.ts"
 }
diff --git a/packages/testing-helpers/src/scopedElementsWrapper.js b/packages/testing-helpers/src/scopedElementsWrapper.js
index 2f83c6bd2..1f32dba77 100644
--- a/packages/testing-helpers/src/scopedElementsWrapper.js
+++ b/packages/testing-helpers/src/scopedElementsWrapper.js
@@ -53,6 +53,7 @@ class ScopedElementsTestWrapper extends ScopedElementsMixin(LitElement) {
     super.firstUpdated(_changed);
 
     Object.keys(this.scopedElements).forEach(key =>
+      // @ts-ignore
       this.defineScopedElement(key, this.scopedElements[key]),
     );
   }
@@ -79,6 +80,7 @@ const getWrapperUniqueName = (counter = 0) => {
 
 const wrapperTagName = getWrapperUniqueName();
 
+// @ts-ignore
 customElements.define(wrapperTagName, ScopedElementsTestWrapper);
 
 /**
diff --git a/packages/testing-helpers/tsconfig.json b/packages/testing-helpers/tsconfig.json
new file mode 100644
index 000000000..d12f36ff1
--- /dev/null
+++ b/packages/testing-helpers/tsconfig.json
@@ -0,0 +1,27 @@
+// Don't edit this file directly. It is generated by /scripts/update-package-configs.ts
+
+{
+  "extends": "../../tsconfig.browser-base.json",
+  "compilerOptions": {
+    "module": "ESNext",
+    "outDir": "./types",
+    "rootDir": ".",
+    "composite": true,
+    "allowJs": true,
+    "checkJs": true,
+    "emitDeclarationOnly": true
+  },
+  "references": [
+    {
+      "path": "../scoped-elements/tsconfig.json"
+    }
+  ],
+  "include": [
+    "src",
+    "*.js"
+  ],
+  "exclude": [
+    "dist",
+    "types"
+  ]
+}
\ No newline at end of file
diff --git a/packages/testing/index-no-side-effects.d.ts b/packages/testing/index-no-side-effects.d.ts
index 1c766b602..4c37db9bb 100644
--- a/packages/testing/index-no-side-effects.d.ts
+++ b/packages/testing/index-no-side-effects.d.ts
@@ -1,17 +1,17 @@
-export { html } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { unsafeStatic } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { triggerBlurFor } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { triggerFocusFor } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { oneEvent } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { isIE } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { defineCE } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { aTimeout } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { litFixture } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { litFixtureSync } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { fixture } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { fixtureSync } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { fixtureCleanup } from '@open-wc/testing-helpers/index-no-side-effects.js';
-export { elementUpdated } from '@open-wc/testing-helpers/index-no-side-effects.js';
+export { html } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { unsafeStatic } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { triggerBlurFor } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { triggerFocusFor } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { oneEvent } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { isIE } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { defineCE } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { aTimeout } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { litFixture } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { litFixtureSync } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { fixture } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { fixtureSync } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { fixtureCleanup } from '@open-wc/testing-helpers/types/index-no-side-effects';
+export { elementUpdated } from '@open-wc/testing-helpers/types/index-no-side-effects';
 
 import chai from 'chai';
 
diff --git a/packages/testing/index.d.ts b/packages/testing/index.d.ts
index 90630533f..1d1eaecf7 100644
--- a/packages/testing/index.d.ts
+++ b/packages/testing/index.d.ts
@@ -1,21 +1,21 @@
 /// <reference path="./register-chai-plugins.d.ts" />
 
-export { html } from '@open-wc/testing-helpers/index.js';
-export { unsafeStatic } from '@open-wc/testing-helpers/index.js';
-export { triggerBlurFor } from '@open-wc/testing-helpers/index.js';
-export { triggerFocusFor } from '@open-wc/testing-helpers/index.js';
-export { oneEvent } from '@open-wc/testing-helpers/index.js';
-export { isIE } from '@open-wc/testing-helpers/index.js';
-export { defineCE } from '@open-wc/testing-helpers/index.js';
-export { aTimeout } from '@open-wc/testing-helpers/index.js';
-export { nextFrame } from '@open-wc/testing-helpers/index.js';
-export { litFixture } from '@open-wc/testing-helpers/index.js';
-export { litFixtureSync } from '@open-wc/testing-helpers/index.js';
-export { fixture } from '@open-wc/testing-helpers/index.js';
-export { fixtureSync } from '@open-wc/testing-helpers/index.js';
-export { fixtureCleanup } from '@open-wc/testing-helpers/index.js';
-export { elementUpdated } from '@open-wc/testing-helpers/index.js';
-export { waitUntil } from '@open-wc/testing-helpers/index.js';
+export { html } from '@open-wc/testing-helpers';
+export { unsafeStatic } from '@open-wc/testing-helpers';
+export { triggerBlurFor } from '@open-wc/testing-helpers';
+export { triggerFocusFor } from '@open-wc/testing-helpers';
+export { oneEvent } from '@open-wc/testing-helpers';
+export { isIE } from '@open-wc/testing-helpers';
+export { defineCE } from '@open-wc/testing-helpers';
+export { aTimeout } from '@open-wc/testing-helpers';
+export { nextFrame } from '@open-wc/testing-helpers';
+export { litFixture } from '@open-wc/testing-helpers';
+export { litFixtureSync } from '@open-wc/testing-helpers';
+export { fixture } from '@open-wc/testing-helpers';
+export { fixtureSync } from '@open-wc/testing-helpers';
+export { fixtureCleanup } from '@open-wc/testing-helpers';
+export { elementUpdated } from '@open-wc/testing-helpers';
+export { waitUntil } from '@open-wc/testing-helpers';
 
 import chai from 'chai';
 
diff --git a/packages/testing/index.js b/packages/testing/index.js
index 7685635ec..d9ffbc243 100644
--- a/packages/testing/index.js
+++ b/packages/testing/index.js
@@ -18,7 +18,7 @@ export {
   fixtureCleanup,
   elementUpdated,
   waitUntil,
-} from '@open-wc/testing-helpers/index.js';
+} from '@open-wc/testing-helpers';
 
 // @ts-ignore
 const { expect, should, assert } = chai;
diff --git a/scripts/generate-ts-configs.mjs b/scripts/generate-ts-configs.mjs
new file mode 100644
index 000000000..9dea44f3c
--- /dev/null
+++ b/scripts/generate-ts-configs.mjs
@@ -0,0 +1,113 @@
+import fs from 'fs';
+import path from 'path';
+import { fileURLToPath } from 'url';
+import { packages } from '../workspace-packages.mjs';
+import merge from 'deepmerge';
+
+const __dirname = path.dirname(fileURLToPath(import.meta.url));
+const TSCONFIG_COMMENT = `// Don't edit this file directly. It is generated by /scripts/update-package-configs.ts\n\n`;
+
+const packagesRoot = path.join(__dirname, '..', 'packages');
+
+const packageJSONMap = new Map();
+const packageDirnameMap = new Map();
+const internalDependencyMap = new Map();
+
+// collect package json for all packages
+packages.forEach(pkg => {
+  const packageJSONPath = path.join(packagesRoot, pkg.name, 'package.json');
+  if (!fs.existsSync(packageJSONPath)) {
+    console.error();
+    console.error(`Could not find package.json: ${packageJSONPath}`);
+    console.error();
+    process.exit(1);
+  }
+
+  const packageJSONData = JSON.parse(fs.readFileSync(packageJSONPath).toString());
+  const packageName = packageJSONData.name;
+  packageDirnameMap.set(packageName, pkg.name);
+  packageJSONMap.set(packageName, packageJSONData);
+});
+
+// collect initial cross package dependencies info
+packageDirnameMap.forEach((_packageDirname, packageName) => {
+  const { dependencies, devDependencies } = packageJSONMap.get(packageName);
+
+  const internalDependencies = [
+    ...(dependencies ? Object.keys(dependencies) : []),
+    ...(devDependencies ? Object.keys(devDependencies) : []),
+  ].filter(dep => packageDirnameMap.has(dep));
+
+  internalDependencyMap.set(packageName, internalDependencies);
+});
+
+function resolveInternalDependencies(dependencies) {
+  const childDeps = [];
+
+  for (const idep of dependencies) {
+    const deps = internalDependencyMap.get(idep);
+    const res = resolveInternalDependencies(deps);
+    for (const jdep of res) {
+      childDeps.push(jdep);
+    }
+  }
+  const resolved = childDeps.concat(dependencies);
+  // remove all duplicated after the first appearance
+  return resolved.filter((item, idx) => resolved.indexOf(item) === idx);
+}
+
+packageDirnameMap.forEach((packageDirname, packageName) => {
+  const pkg = packages.find(pkg => pkg.name === packageDirname);
+  const pkgDir = path.join(packagesRoot, packageDirname);
+
+  const tsconfigPath = path.join(pkgDir, 'tsconfig.json');
+
+  let tsConfigOverride = {};
+  const tsConfigOverridePath = path.join(pkgDir, 'tsconfig.override.json');
+
+  if (fs.existsSync(tsConfigOverridePath)) {
+    tsConfigOverride = JSON.parse(fs.readFileSync(tsConfigOverridePath));
+  }
+  const overwriteMerge = (destinationArray, sourceArray) => sourceArray;
+
+  const internalDependencies = resolveInternalDependencies(internalDependencyMap.get(packageName));
+  const tsconfigData = merge(
+    {
+      extends: `../../tsconfig.${pkg.environment === 'browser' ? 'browser' : 'node'}-base.json`,
+      compilerOptions: {
+        module: pkg.environment === 'browser' ? 'ESNext' : 'commonjs',
+        outDir: './types',
+        rootDir: '.',
+        composite: true,
+        allowJs: true,
+        checkJs: pkg.type === 'js' ? true : undefined,
+        emitDeclarationOnly: pkg.type === 'js' ? true : undefined,
+      },
+      references: internalDependencies.map(dep => {
+        return { path: `../${packageDirnameMap.get(dep)}/tsconfig.json` };
+      }),
+      include: ['src', '*.js'],
+      exclude: ['dist', 'types'],
+    },
+    tsConfigOverride,
+    { arrayMerge: overwriteMerge },
+  );
+  fs.writeFileSync(tsconfigPath, TSCONFIG_COMMENT + JSON.stringify(tsconfigData, null, '  '));
+});
+
+const projectLevelTsconfigPath = path.join(__dirname, '..', 'tsconfig.json');
+
+const projectLevelTsconfigData = {
+  extends: './tsconfig.node-base.json',
+  files: [],
+  references: resolveInternalDependencies(Array.from(packageDirnameMap.keys())).map(
+    packageName => ({
+      path: `./packages/${packageDirnameMap.get(packageName)}/tsconfig.json`,
+    }),
+  ),
+};
+
+fs.writeFileSync(
+  projectLevelTsconfigPath,
+  TSCONFIG_COMMENT + JSON.stringify(projectLevelTsconfigData, null, '  '),
+);
diff --git a/tsconfig.browser-base.json b/tsconfig.browser-base.json
new file mode 100644
index 000000000..3e7b17525
--- /dev/null
+++ b/tsconfig.browser-base.json
@@ -0,0 +1,20 @@
+{
+  "compilerOptions": {
+    "target": "ES2018" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
+    "declaration": true /* Generates corresponding '.d.ts' file. */,
+    "declarationMap": true /* Generates a sourcemap for each corresponding '.d.ts' file. */,
+    "sourceMap": true /* Generates corresponding '.map' file. */,
+    "downlevelIteration": true /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */,
+
+    /* TODO: enable strict mode - but there are too many not strict types now */
+    "strict": false /* Enable all strict type-checking options. */,
+
+    "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
+    "typeRoots": ["@types", "./types-global", "./types"],
+    "types": ["mocha", "chai"] /* Type declaration files to be included in compilation. */,
+    "allowSyntheticDefaultImports": true /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */,
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+
+    "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */
+  }
+}
diff --git a/tsconfig.json b/tsconfig.json
index e8c505a3c..cf364089e 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -1,29 +1,26 @@
+// Don't edit this file directly. It is generated by /scripts/update-package-configs.ts
+
 {
-  "compilerOptions": {
-    "target": "esnext",
-    "module": "esnext",
-    "moduleResolution": "node",
-    "lib": ["es2017", "dom"],
-    "allowJs": true,
-    "checkJs": true,
-    "noEmit": true,
-    "strict": false,
-    "noImplicitThis": true,
-    "alwaysStrict": true,
-    "types": ["node", "mocha"],
-    "esModuleInterop": true
-  },
-  "files": ["browser.d.ts"],
-  "include": ["packages/**/*"],
-  "exclude": [
-    "node_modules",
-    "**/node_modules/*",
-    "**/node_modules/**/node_modules",
-    "packages/**/node_modules",
-    "**/coverage/*",
-    "packages/building-utils/test/custom-polyfils/**/*",
-    "**/dist/**/*",
-    "packages/**/test-node/**/snapshots",
-    "packages/**/demo/**/*"
+  "extends": "./tsconfig.node-base.json",
+  "files": [],
+  "references": [
+    {
+      "path": "./packages/scoped-elements/tsconfig.json"
+    },
+    {
+      "path": "./packages/polyfills-loader/tsconfig.json"
+    },
+    {
+      "path": "./packages/import-maps-resolve/tsconfig.json"
+    },
+    {
+      "path": "./packages/semantic-dom-diff/tsconfig.json"
+    },
+    {
+      "path": "./packages/testing-helpers/tsconfig.json"
+    },
+    {
+      "path": "./packages/mdjs/tsconfig.json"
+    }
   ]
-}
+}
\ No newline at end of file
diff --git a/tsconfig.node-base.json b/tsconfig.node-base.json
new file mode 100644
index 000000000..74c0e551d
--- /dev/null
+++ b/tsconfig.node-base.json
@@ -0,0 +1,31 @@
+{
+  "compilerOptions": {
+    "target": "ES2017" /* Specify ECMAScript target version: 'ES3' (default), 'ES5', 'ES2015', 'ES2016', 'ES2017', 'ES2018', 'ES2019', 'ES2020', or 'ESNEXT'. */,
+    "declaration": true /* Generates corresponding '.d.ts' file. */,
+    "declarationMap": true /* Generates a sourcemap for each corresponding '.d.ts' file. */,
+    "sourceMap": true /* Generates corresponding '.map' file. */,
+    "downlevelIteration": true /* Provide full support for iterables in 'for-of', spread, and destructuring when targeting 'ES5' or 'ES3'. */,
+
+    /* TODO: enable strict mode - but there are too many not strict types now */
+    "strict": false /* Enable all strict type-checking options. */,
+
+    /* Module Resolution Options */
+    "moduleResolution": "node" /* Specify module resolution strategy: 'node' (Node.js) or 'classic' (TypeScript pre-1.6). */,
+    "typeRoots": ["@types", "./types-global/", "./types"],
+    "types": ["node", "mocha", "chai"] /* Type declaration files to be included in compilation. */,
+    "allowSyntheticDefaultImports": true /* Allow default imports from modules with no default export. This does not affect code emit, just typechecking. */,
+    "esModuleInterop": true /* Enables emit interoperability between CommonJS and ES Modules via creation of namespace objects for all imports. Implies 'allowSyntheticDefaultImports'. */,
+    "skipLibCheck": true,
+
+    "forceConsistentCasingInFileNames": true, /* Disallow inconsistently-cased references to the same file. */
+    "lib": [
+      "DOM",
+      "DOM.Iterable",
+      "ES6",
+      "ES2017",
+      // Allows array.flatMap. import `array-flat-polyfill` to cover node10
+      "ES2019.array",
+      "ScriptHost"
+    ]
+  }
+}
diff --git a/workspace-packages.mjs b/workspace-packages.mjs
new file mode 100644
index 000000000..987b0356c
--- /dev/null
+++ b/workspace-packages.mjs
@@ -0,0 +1,10 @@
+const packages = [
+  { name: 'polyfills-loader', type: 'js', environment: 'node' },
+  { name: 'import-maps-resolve', type: 'js', environment: 'node' },
+  { name: 'scoped-elements', type: 'js', environment: 'browser' },
+  { name: 'semantic-dom-diff', type: 'js', environment: 'browser' },
+  { name: 'testing-helpers', type: 'js', environment: 'browser' },
+  { name: 'mdjs', type: 'js', environment: 'node' },
+];
+
+export { packages };
diff --git a/yarn.lock b/yarn.lock
index dc8bd4490..586b52829 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -1978,7 +1978,7 @@
     is-module "^1.0.0"
     resolve "^1.14.2"
 
-"@rollup/plugin-node-resolve@^8.1.0":
+"@rollup/plugin-node-resolve@^8.1.0", "@rollup/plugin-node-resolve@^8.4.0":
   version "8.4.0"
   resolved "https://registry.yarnpkg.com/@rollup/plugin-node-resolve/-/plugin-node-resolve-8.4.0.tgz#261d79a680e9dc3d86761c14462f24126ba83575"
   integrity sha512-LFqKdRLn0ShtQyf6SBYO69bGE1upV6wUhBX0vFOUnLAyzx5cwp8svA0eHUnu8+YU57XOkrMtfG63QOpQx25pHQ==
@@ -3406,6 +3406,23 @@
   dependencies:
     semver "^7.3.2"
 
+"@web/dev-server-cli@^0.0.3":
+  version "0.0.3"
+  resolved "https://registry.yarnpkg.com/@web/dev-server-cli/-/dev-server-cli-0.0.3.tgz#65d36b92e1cf0be71098756b17957741691afab3"
+  integrity sha512-mcyWkU1R7eb6kswRQOIGNfvEH8mnkORQDGYAIR290A7FagRrto8ibZVFUe+leG4d7OIw0FGCbU4IlRrGKJgSxw==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@types/command-line-args" "^5.0.0"
+    "@web/config-loader" "^0.1.1"
+    "@web/dev-server-core" "^0.2.5"
+    camelcase "^6.0.0"
+    chalk "^4.1.0"
+    command-line-args "^5.1.1"
+    command-line-usage "^6.1.0"
+    ip "^1.1.5"
+    open "^7.1.0"
+    portfinder "^1.0.27"
+
 "@web/dev-server-core@^0.2.11", "@web/dev-server-core@^0.2.2", "@web/dev-server-core@^0.2.6":
   version "0.2.12"
   resolved "https://registry.yarnpkg.com/@web/dev-server-core/-/dev-server-core-0.2.12.tgz#3e4c36755869fd3d61220ecf7f3127580fd20311"
@@ -3427,6 +3444,27 @@
     picomatch "^2.2.2"
     ws "^7.3.1"
 
+"@web/dev-server-core@^0.2.13", "@web/dev-server-core@^0.2.5":
+  version "0.2.13"
+  resolved "https://registry.yarnpkg.com/@web/dev-server-core/-/dev-server-core-0.2.13.tgz#53b678022535caddc8b4a8a77c00864eecc4e6d4"
+  integrity sha512-A5j5Pf2l593HltlitpaDDxf7jXEIn9+t2lPT27VRGEgb/JIzk25oOJ/P5vQKGbrDF9qHRfu0WR9LRZnFR9r2SA==
+  dependencies:
+    "@types/ws" "^7.2.6"
+    chokidar "^3.4.0"
+    clone "^2.1.2"
+    es-module-lexer "^0.3.24"
+    get-stream "^6.0.0"
+    is-stream "^2.0.0"
+    isbinaryfile "^4.0.6"
+    koa "^2.13.0"
+    koa-etag "^3.0.0"
+    koa-static "^5.0.0"
+    lru-cache "^5.1.1"
+    mime-types "^2.1.27"
+    parse5 "^6.0.0"
+    picomatch "^2.2.2"
+    ws "^7.3.1"
+
 "@web/dev-server-esbuild@^0.2.4":
   version "0.2.4"
   resolved "https://registry.yarnpkg.com/@web/dev-server-esbuild/-/dev-server-esbuild-0.2.4.tgz#6af53fd7f30d288e73287e4c98153fac894bfa0d"
@@ -3438,7 +3476,7 @@
     parse5 "^6.0.1"
     ua-parser-js "^0.7.21"
 
-"@web/dev-server-rollup@^0.2.9":
+"@web/dev-server-rollup@^0.2.5", "@web/dev-server-rollup@^0.2.9":
   version "0.2.9"
   resolved "https://registry.yarnpkg.com/@web/dev-server-rollup/-/dev-server-rollup-0.2.9.tgz#e76925846d966053a80ec6d726c189d2c2b7cd2d"
   integrity sha512-YSlXV0igmhgXEy0tCdF0QzKKyDN6Bp5bj4TYmJpXLGWkUHyKwcohHNq/kAG1mxaxdkEX5cO9FUg/MfGZqeOA0w==
@@ -3449,6 +3487,28 @@
     rollup "^2.20.0"
     whatwg-url "^8.1.0"
 
+"@web/dev-server@^0.0.15":
+  version "0.0.15"
+  resolved "https://registry.yarnpkg.com/@web/dev-server/-/dev-server-0.0.15.tgz#2a27bac3f72681bff332bb46357c2a3f8a39a096"
+  integrity sha512-58YY9aHfc2f6CZbjI5NDG+jCGIyb3Da74vbaLSklmFuawJZrQ5ntjnFiMvP0L4Z5IW6WV+W+FPyOS58GTda3Zw==
+  dependencies:
+    "@babel/code-frame" "^7.10.4"
+    "@rollup/plugin-node-resolve" "^8.4.0"
+    "@types/command-line-args" "^5.0.0"
+    "@web/config-loader" "^0.1.1"
+    "@web/dev-server-cli" "^0.0.3"
+    "@web/dev-server-core" "^0.2.13"
+    "@web/dev-server-rollup" "^0.2.5"
+    camelcase "^6.0.0"
+    chalk "^4.1.0"
+    command-line-args "^5.1.1"
+    command-line-usage "^6.1.0"
+    debounce "^1.2.0"
+    deepmerge "^4.2.2"
+    ip "^1.1.5"
+    open "^7.1.0"
+    portfinder "^1.0.27"
+
 "@web/test-runner-chrome@^0.7.2":
   version "0.7.2"
   resolved "https://registry.yarnpkg.com/@web/test-runner-chrome/-/test-runner-chrome-0.7.2.tgz#56b4241219f508d1a1b9bc7046d853dedad4c5b8"
@@ -6080,6 +6140,19 @@ copy-to-clipboard@^3.0.8:
   dependencies:
     toggle-selection "^1.0.6"
 
+copyfiles@^2.4.0:
+  version "2.4.0"
+  resolved "https://registry.yarnpkg.com/copyfiles/-/copyfiles-2.4.0.tgz#fcac72a4f2b882f021dd156b4bcf6d71315487bd"
+  integrity sha512-yGjpR3yjQdxccW8EcJ4a7ZCA6wGER6/Q2Y+b7bXbVxGeSHBf93i9d7MzTsx+VV1CpMKQa3v4ThZfXBcltMzl0w==
+  dependencies:
+    glob "^7.0.5"
+    minimatch "^3.0.3"
+    mkdirp "^1.0.4"
+    noms "0.0.0"
+    through2 "^2.0.1"
+    untildify "^4.0.0"
+    yargs "^15.3.1"
+
 core-js-bundle@^3.6.0:
   version "3.6.5"
   resolved "https://registry.yarnpkg.com/core-js-bundle/-/core-js-bundle-3.6.5.tgz#3a425ad66ad19aeefea89acfd48cff674ff58590"
@@ -8455,7 +8528,7 @@ glob@7.1.3:
     once "^1.3.0"
     path-is-absolute "^1.0.0"
 
-glob@^7.0.0, glob@^7.0.3, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4, glob@^7.1.6:
+glob@^7.0.0, glob@^7.0.3, glob@^7.0.5, glob@^7.1.2, glob@^7.1.3, glob@^7.1.4, glob@^7.1.6:
   version "7.1.6"
   resolved "https://registry.yarnpkg.com/glob/-/glob-7.1.6.tgz#141f33b81a7c2492e125594307480c46679278a6"
   integrity sha512-LwaxwyZ72Lk7vZINtNNrywX0ZuLyStrdDtabefZKAY5ZGJhVtgdznluResxNmPitE0SAO+O26sWTHeKSI2wMBA==
@@ -11304,7 +11377,7 @@ minimalistic-crypto-utils@^1.0.0, minimalistic-crypto-utils@^1.0.1:
   resolved "https://registry.yarnpkg.com/minimalistic-crypto-utils/-/minimalistic-crypto-utils-1.0.1.tgz#f6c00c1c0b082246e5c4d99dfb8c7c083b2b582a"
   integrity sha1-9sAMHAsIIkblxNmd+4x8CDsrWCo=
 
-minimatch@3.0.4, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.4:
+minimatch@3.0.4, minimatch@^3.0.0, minimatch@^3.0.2, minimatch@^3.0.3, minimatch@^3.0.4:
   version "3.0.4"
   resolved "https://registry.yarnpkg.com/minimatch/-/minimatch-3.0.4.tgz#5166e286457f03306064be5497e8dbb0c3d32083"
   integrity sha512-yJHVQEhyqPLUTgt9B83PXu6W3rx4MvvHvSUvToogpwoGDOUQ+yDrR0HRot+yOCdCO7u4hX3pWft6kWBBcqh0UA==
@@ -11411,6 +11484,11 @@ mkdirp@^0.5.1, mkdirp@^0.5.3, mkdirp@^0.5.4, mkdirp@^0.5.5, mkdirp@~0.5.1:
   dependencies:
     minimist "^1.2.5"
 
+mkdirp@^1.0.4:
+  version "1.0.4"
+  resolved "https://registry.yarnpkg.com/mkdirp/-/mkdirp-1.0.4.tgz#3eb5ed62622756d79a5f0e2a221dfebad75c2f7e"
+  integrity sha512-vVqVZQyf3WLx2Shd0qJ9xuvqgAyKPLAiqITEtqW0oIUjzo3PePDd6fW9iFz30ef7Ysp/oiWqbhszeGWW2T6Gzw==
+
 mocha-chai-snapshot@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/mocha-chai-snapshot/-/mocha-chai-snapshot-1.0.0.tgz#6c8747a2fa8d5b3b2d1d0600bb3e644b0fd5c913"
@@ -11645,6 +11723,14 @@ node-releases@^1.1.29, node-releases@^1.1.53:
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.55.tgz#8af23b7c561d8e2e6e36a46637bab84633b07cee"
   integrity sha512-H3R3YR/8TjT5WPin/wOoHOUPHgvj8leuU/Keta/rwelEQN9pA/S2Dx8/se4pZ2LBxSd0nAGzsNzhqwa77v7F1w==
 
+noms@0.0.0:
+  version "0.0.0"
+  resolved "https://registry.yarnpkg.com/noms/-/noms-0.0.0.tgz#da8ebd9f3af9d6760919b27d9cdc8092a7332859"
+  integrity sha1-2o69nzr51nYJGbJ9nNyAkqczKFk=
+  dependencies:
+    inherits "^2.0.1"
+    readable-stream "~1.0.31"
+
 nopt@~4.0.1:
   version "4.0.3"
   resolved "https://registry.yarnpkg.com/nopt/-/nopt-4.0.3.tgz#a375cad9d02fd921278d954c2254d5aa57e15e48"
@@ -11921,7 +12007,7 @@ open@^7.0.0, open@^7.0.3:
     is-docker "^2.0.0"
     is-wsl "^2.1.1"
 
-open@^7.0.4:
+open@^7.0.4, open@^7.1.0:
   version "7.3.0"
   resolved "https://registry.yarnpkg.com/open/-/open-7.3.0.tgz#45461fdee46444f3645b6e14eb3ca94b82e1be69"
   integrity sha512-mgLwQIx2F/ye9SmbrUkurZCnkoXyXyu9EbHtJZrICjVAJfyMArdHp3KkixGdZx1ZHFPNIwl0DDM1dFFqXbTLZw==
@@ -12605,7 +12691,7 @@ portfinder@^1.0.13, portfinder@^1.0.21:
     debug "^3.1.1"
     mkdirp "^0.5.1"
 
-portfinder@^1.0.26:
+portfinder@^1.0.26, portfinder@^1.0.27:
   version "1.0.28"
   resolved "https://registry.yarnpkg.com/portfinder/-/portfinder-1.0.28.tgz#67c4622852bd5374dd1dd900f779f53462fac778"
   integrity sha512-Se+2isanIcEqf2XMHjyUKskczxbPH7dQnlMjXX6+dybayyHvAf/TCgyMRlzf/B6QDhAEFOGes0pzRo3by4AbMA==
@@ -13559,6 +13645,16 @@ readable-stream@^3.1.1, readable-stream@^3.4.0, readable-stream@^3.6.0:
     string_decoder "^1.1.1"
     util-deprecate "^1.0.1"
 
+readable-stream@~1.0.31:
+  version "1.0.34"
+  resolved "https://registry.yarnpkg.com/readable-stream/-/readable-stream-1.0.34.tgz#125820e34bc842d2f2aaafafe4c2916ee32c157c"
+  integrity sha1-Elgg40vIQtLyqq+v5MKRbuMsFXw=
+  dependencies:
+    core-util-is "~1.0.0"
+    inherits "~2.0.1"
+    isarray "0.0.1"
+    string_decoder "~0.10.x"
+
 readdirp@^2.2.1:
   version "2.2.1"
   resolved "https://registry.yarnpkg.com/readdirp/-/readdirp-2.2.1.tgz#0e87622a3325aa33e892285caf8b4e846529a525"
@@ -15247,6 +15343,11 @@ string_decoder@^1.0.0, string_decoder@^1.1.1:
   dependencies:
     safe-buffer "~5.2.0"
 
+string_decoder@~0.10.x:
+  version "0.10.31"
+  resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-0.10.31.tgz#62e203bc41766c6c28c9fc84301dab1c5310fa94"
+  integrity sha1-YuIDvEF2bGwoyfyEMB2rHFMQ+pQ=
+
 string_decoder@~1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/string_decoder/-/string_decoder-1.1.1.tgz#9cf1611ba62685d7030ae9e4ba34149c3af03fc8"
@@ -15654,7 +15755,7 @@ throttle-debounce@^2.1.0:
   resolved "https://registry.yarnpkg.com/throttle-debounce/-/throttle-debounce-2.1.0.tgz#257e648f0a56bd9e54fe0f132c4ab8611df4e1d5"
   integrity sha512-AOvyNahXQuU7NN+VVvOOX+uW6FPaWdAOdRP5HfwYxAfCzXTFKRMoIMk+n+po318+ktcChx+F1Dd91G3YHeMKyg==
 
-through2@^2.0.0:
+through2@^2.0.0, through2@^2.0.1:
   version "2.0.5"
   resolved "https://registry.yarnpkg.com/through2/-/through2-2.0.5.tgz#01c1e39eb31d07cb7d03a96a70823260b23132cd"
   integrity sha512-/mrRod8xqpA+IHSLyGCQ2s8SPHiCDEeQJSep1jqLYeEUClOFG2Qsh+4FU6G9VeqpZnGW/Su8LQGc4YKni5rYSQ==
@@ -16260,6 +16361,11 @@ unset-value@^1.0.0:
     has-value "^0.3.1"
     isobject "^3.0.0"
 
+untildify@^4.0.0:
+  version "4.0.0"
+  resolved "https://registry.yarnpkg.com/untildify/-/untildify-4.0.0.tgz#2bc947b953652487e4600949fb091e3ae8cd919b"
+  integrity sha512-KK8xQ1mkzZeg9inewmFVDNkg3l5LUhoq9kN6iWYB/CC9YMG8HA+c1Q8HwDe6dEX7kErrEVNVBO3fWsVq5iDgtw==
+
 upath@^1.1.1, upath@^1.2.0:
   version "1.2.0"
   resolved "https://registry.yarnpkg.com/upath/-/upath-1.2.0.tgz#8f66dbcd55a883acdae4408af8b035a5044c1894"
@@ -16603,13 +16709,6 @@ webpack-log@^2.0.0:
     ansi-colors "^3.0.0"
     uuid "^3.3.2"
 
-webpack-merge@^4.1.5:
-  version "4.2.2"
-  resolved "https://registry.yarnpkg.com/webpack-merge/-/webpack-merge-4.2.2.tgz#a27c52ea783d1398afd2087f547d7b9d2f43634d"
-  integrity sha512-TUE1UGoTX2Cd42j3krGYqObZbOD+xF7u28WB7tfUordytSjbWTIjK/8V0amkBfTYN4/pB/GIDlJZZ657BGG19g==
-  dependencies:
-    lodash "^4.17.15"
-
 webpack-sources@^1.4.0, webpack-sources@^1.4.1, webpack-sources@^1.4.3:
   version "1.4.3"
   resolved "https://registry.yarnpkg.com/webpack-sources/-/webpack-sources-1.4.3.tgz#eedd8ec0b928fbf1cbfe994e22d2d890f330a933"