diff --git a/.changeset/tender-rice-whisper.md b/.changeset/tender-rice-whisper.md
new file mode 100644
index 000000000..081698325
--- /dev/null
+++ b/.changeset/tender-rice-whisper.md
@@ -0,0 +1,5 @@
+---
+'modular-scripts': minor
+---
+
+modular build `<library>`
diff --git a/.gitignore b/.gitignore
index 3d72bdfcf..5dcd5843e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -30,3 +30,9 @@ packages/view-2
 npm-debug.log*
 yarn-debug.log*
 yarn-error.log*
+
+/dist
+
+# Used by typescript for incremental builds 
+.tsbuildinfo
+*.tsbuildinfo
diff --git a/package.json b/package.json
index b9e1a110b..71bcd8877 100644
--- a/package.json
+++ b/package.json
@@ -64,5 +64,8 @@
   "lint-staged": {
     "*.{js,ts,tsx}": "eslint --cache --fix --ext .js,.ts,.tsx --max-warnings 0",
     "*.{js,json,ts,tsx,css,md,mdx}": "prettier --write"
+  },
+  "resolutions": {
+    "rollup": "^2.33.3"
   }
 }
diff --git a/packages/modular-scripts/package.json b/packages/modular-scripts/package.json
index e061a8f83..f7e73e3d3 100644
--- a/packages/modular-scripts/package.json
+++ b/packages/modular-scripts/package.json
@@ -14,7 +14,13 @@
     "build": "babel --root-mode upward src --out-dir build --extensions .ts --ignore 'src/**/*.test.ts'"
   },
   "dependencies": {
+    "@babel/plugin-proposal-class-properties": "^7.12.1",
+    "@babel/preset-env": "^7.12.10",
     "@craco/craco": "^5.8.0",
+    "@rollup/plugin-babel": "^5.2.1",
+    "@rollup/plugin-commonjs": "^16.0.0",
+    "@rollup/plugin-json": "^4.1.0",
+    "builtin-modules": "^3.1.0",
     "chalk": "^4.1.0",
     "change-case": "^4.1.1",
     "codegen.macro": "^4.0.0",
@@ -26,10 +32,14 @@
     "prompts": "^2.4.0",
     "react-scripts": "^4.0.1",
     "resolve-as-bin": "^2.1.0",
-    "rimraf": "^3.0.2"
+    "rimraf": "^3.0.2",
+    "rollup": "^2.33.3",
+    "rollup-plugin-postcss": "^3.1.8",
+    "tar": "^6.0.5"
   },
   "devDependencies": {
     "@schemastore/package": "^0.0.6",
+    "@schemastore/tsconfig": "^0.0.9",
     "@types/find-up": "^4.0.0",
     "@types/fs-extra": "^5.0.2",
     "@types/mri": "^1.1.0",
@@ -37,7 +47,10 @@
     "@types/prompts": "^2.0.9",
     "@types/puppeteer": "^5.4.0",
     "@types/rimraf": "^3.0.0",
-    "pptr-testing-library": "^0.6.4",
+    "@types/tar": "^4.0.4",
+    "pptr-testing-library": "^0.6.4"
+  },
+  "optionalDependencies": {
     "puppeteer": "^5.4.1"
   }
 }
diff --git a/packages/modular-scripts/src/__tests__/index.test.ts b/packages/modular-scripts/src/__tests__/index.test.ts
index f794326ad..ae8182cf7 100644
--- a/packages/modular-scripts/src/__tests__/index.test.ts
+++ b/packages/modular-scripts/src/__tests__/index.test.ts
@@ -1,6 +1,5 @@
 import execa from 'execa';
 import rimraf from 'rimraf';
-import puppeteer from 'puppeteer';
 import tree from 'tree-view-for-tests';
 import path from 'path';
 import fs from 'fs-extra';
@@ -28,17 +27,6 @@ jest.setTimeout(10 * 60 * 1000);
 
 const packagesPath = path.join(getModularRoot(), 'packages');
 
-function getBrowser() {
-  return puppeteer.launch(
-    process.env.CI
-      ? {
-          headless: true,
-          args: ['--no-sandbox', '--disable-setuid-sandbox'],
-        }
-      : {},
-  );
-}
-
 function modular(str: string, opts: Record<string, unknown> = {}) {
   return execa('yarnpkg', ['modular', ...str.split(' ')], {
     cwd: modularRoot,
@@ -148,6 +136,7 @@ afterAll(() => {
   rimraf.sync(path.join(packagesPath, 'sample-app'));
   rimraf.sync(path.join(packagesPath, 'sample-view'));
   rimraf.sync(path.join(packagesPath, 'sample-package'));
+  rimraf.sync(path.join(modularRoot, 'dist'));
   // run yarn so yarn.lock gets reset
   return execa.sync('yarnpkg', [], {
     cwd: modularRoot,
@@ -189,11 +178,29 @@ describe('modular-scripts', () => {
   });
 
   it('can start an app', async () => {
-    // this leaves habing processes on local environments
-    // so we're disabling it for now. Still runs on CI though.
+    // Ok, so. Sunil's decided to get the new M1 MacBook Air. Some software doesn't run on it
+    // well yet. Particularly the puppeteer npm package failes to install and run
+    // (see https://github.com/puppeteer/puppeteer/issues/, issues #6634 and #6641,
+    // possible fix in pull #6495)
+
+    // Because of this, he's marked puppeteer in optionalDependencies, so it's failure to install
+    // doesn't block everything else. Further, because this particular test is already flaky,
+    // it's disabled when running locally. However, because it fails to install, it causes
+    // typescript and eslint failures. Hence the need to disable those errors for now.
+
+    // It's Sunil's responsibility to fix this when better, so shout at him if he doesn't.
+
+    /* eslint-disable @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-var-requires, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call */
+
+    // This seems to be leaving hanging processes locally,
+    // so marking this test as a no-op for now. Sigh.
     if (!process.env.CI) {
       return;
     }
+
+    const puppeteer = require('puppeteer');
+
+    // @ts-expect-error FIXME
     let browser: puppeteer.Browser | undefined;
     let devServer: DevServer | undefined;
     try {
@@ -202,7 +209,14 @@ describe('modular-scripts', () => {
         path.join(packagesPath, 'sample-app', 'src', 'App.tsx'),
       );
 
-      browser = await getBrowser();
+      browser = await puppeteer.launch(
+        process.env.CI
+          ? {
+              headless: true,
+              args: ['--no-sandbox', '--disable-setuid-sandbox'],
+            }
+          : {},
+      );
       devServer = await startApp('sample-app');
 
       const page = await browser.newPage();
@@ -229,6 +243,8 @@ describe('modular-scripts', () => {
         devServer.kill();
       }
     }
+
+    /* eslint-enable @typescript-eslint/no-unsafe-assignment, @typescript-eslint/no-var-requires, @typescript-eslint/no-unsafe-member-access, @typescript-eslint/no-unsafe-call */
   });
 
   it('can add a view', async () => {
@@ -290,4 +306,46 @@ describe('modular-scripts', () => {
       'PASS packages/sample-package/src/__tests__/index.test.ts',
     );
   });
+
+  it('can build libraries', async () => {
+    // cleanup anything built previously
+    rimraf.sync(path.join(modularRoot, 'dist'));
+
+    // build a view
+    await modular('build sample-view', { stdio: 'inherit' });
+    // build a package too, but preserve modules
+    await modular('build sample-package --preserve-modules', {
+      stdio: 'inherit',
+    });
+
+    expect(tree(path.join(modularRoot, 'dist'))).toMatchInlineSnapshot(`
+      "dist
+      ├─ sample-package
+      │  ├─ README.md #1jv3l2q
+      │  ├─ dist
+      │  │  ├─ cjs
+      │  │  │  └─ src
+      │  │  │     ├─ index.js #rq9uxe
+      │  │  │     └─ index.js.map #95g4ej
+      │  │  ├─ es
+      │  │  │  └─ src
+      │  │  │     ├─ index.js #1gjntzw
+      │  │  │     └─ index.js.map #1861m7m
+      │  │  └─ types
+      │  │     └─ src
+      │  │        └─ index.d.ts #f68aj
+      │  └─ package.json
+      └─ sample-view
+         ├─ README.md #11adaka
+         ├─ dist
+         │  ├─ sample-view.cjs.js #fmbogr
+         │  ├─ sample-view.cjs.js.map #4xu206
+         │  ├─ sample-view.es.js #10hnw4k
+         │  ├─ sample-view.es.js.map #jqhhy5
+         │  └─ types
+         │     └─ src
+         │        └─ index.d.ts #1vloh7q
+         └─ package.json"
+    `);
+  });
 });
diff --git a/packages/modular-scripts/src/build.ts b/packages/modular-scripts/src/build.ts
new file mode 100644
index 000000000..b1904a675
--- /dev/null
+++ b/packages/modular-scripts/src/build.ts
@@ -0,0 +1,627 @@
+// While working on this file, be aware that builds
+// could be happening simultaneously across packages, so
+// try be 'thread-safe'. No state outside of functions
+
+import { JSONSchemaForNPMPackageJsonFiles as PackageJson } from '@schemastore/package';
+import { JSONSchemaForTheTypeScriptCompilerSConfigurationFile as TSConfig } from '@schemastore/tsconfig';
+
+import { promisify as prom } from 'util';
+
+import * as rollup from 'rollup';
+import rimraf from 'rimraf';
+import * as path from 'path';
+import { extract } from 'tar';
+
+import execa from 'execa';
+
+import postcss from 'rollup-plugin-postcss';
+import json from '@rollup/plugin-json';
+import resolve from '@rollup/plugin-node-resolve';
+import babel from '@rollup/plugin-babel';
+import commonjs from '@rollup/plugin-commonjs';
+
+import * as ts from 'typescript';
+import * as fse from 'fs-extra';
+
+import builtinModules from 'builtin-modules';
+import getModularRoot from './getModularRoot';
+
+const modularRoot = getModularRoot();
+
+if (process.cwd() !== modularRoot) {
+  throw new Error(
+    'This command can only be run from the root of a modular project',
+  );
+}
+
+type Console = {
+  log: typeof console.log;
+  error: typeof console.error;
+};
+
+const consoles: { [name: string]: Console } = {};
+
+function getConsole(directoryName: string): Console {
+  if (!consoles[directoryName]) {
+    consoles[directoryName] = {
+      log: (...args: Parameters<typeof console.log>) => {
+        return console.log('$ ' + directoryName + ':', ...args);
+      },
+      error: (...args: Parameters<typeof console.error>) => {
+        return console.error('$ ' + directoryName + ':', ...args);
+      },
+    };
+  }
+  return consoles[directoryName];
+}
+
+// from https://github.com/Microsoft/TypeScript/issues/6387
+// a helper to output a readable message from a ts diagnostics object
+function reportTSDiagnostics(
+  directoryName: string,
+  diagnostics: ts.Diagnostic[],
+): void {
+  diagnostics.forEach((diagnostic) => {
+    let message = 'Error';
+    if (diagnostic.file) {
+      const where = diagnostic.file.getLineAndCharacterOfPosition(
+        diagnostic.start as number,
+      );
+      message += ` ${diagnostic.file.fileName} ${where.line}, ${
+        where.character + 1
+      }`;
+    }
+    message +=
+      ': ' + ts.flattenDiagnosticMessageText(diagnostic.messageText, '\n');
+    console.log(message);
+  });
+}
+
+const extensions = ['.ts', '.tsx', '.js', '.jsx'];
+const outputDirectory = 'dist';
+const typescriptConfigFilename = 'tsconfig.json';
+const packagesRoot = 'packages';
+
+// list of all directories under packages
+const packageDirectoryNames = fse
+  .readdirSync(packagesRoot, { withFileTypes: true })
+  .filter((directoryEntry) => directoryEntry.isDirectory())
+  .map((directory) => directory.name);
+
+// dependencies defined at the root
+const rootPackageJsonDependencies =
+  (fse.readJSONSync('package.json') as PackageJson).dependencies || {};
+
+// a map of all package.json contents, indexed by package name
+const packageJsons: { [key: string]: PackageJson } = {};
+// a map of all package.json contents, indexed by directory name
+const packageJsonsByDirectoryName: {
+  [key: string]: PackageJson;
+} = {};
+// an array of all the package names
+const packageNames: string[] = [];
+
+// let's populate the above three
+for (let i = 0; i < packageDirectoryNames.length; i++) {
+  const pathToPackageJson = path.join(
+    packagesRoot,
+    packageDirectoryNames[i],
+    'package.json',
+  );
+  if (fse.existsSync(pathToPackageJson)) {
+    const packageJson = fse.readJsonSync(pathToPackageJson) as PackageJson;
+    if (!packageJson.name) {
+      continue;
+    }
+    packageJsons[packageJson.name] = packageJson;
+    packageJsonsByDirectoryName[packageDirectoryNames[i]] = packageJson;
+    packageNames.push(packageJson.name);
+  }
+}
+
+// TODO: do a quick check to make sure workspaces aren't
+// explicitly included in dependencies
+// maybe that belongs in `modular check`
+
+const publicPackageJsons: {
+  [name: string]: PackageJson;
+} = {};
+
+function distinct<T>(arr: T[]): T[] {
+  return [...new Set(arr)];
+}
+
+const typescriptConfig: TSConfig = {};
+// validate tsconfig
+{
+  // Extract configuration from config file and parse JSON,
+  // after removing comments. Just a fancier JSON.parse
+  const result = ts.parseConfigFileTextToJson(
+    typescriptConfigFilename,
+    fse.readFileSync(typescriptConfigFilename, 'utf8').toString(),
+  );
+
+  const configObject = result.config as TSConfig;
+
+  if (!configObject) {
+    reportTSDiagnostics(':root', [result.error as ts.Diagnostic]);
+    throw new Error('Failed to load Typescript configuration');
+  }
+
+  Object.assign(typescriptConfig, configObject, {
+    // TODO: should probably include the original exclude in this
+    exclude: distinct([
+      // all TS test files, regardless whether co-located or in test/ etc
+      '**/*.stories.ts',
+      '**/*.stories.tsx',
+      '**/*.spec.ts',
+      '**/*.test.ts',
+      '**/*.e2e.ts',
+      '**/*.spec.tsx',
+      '**/*.test.tsx',
+      '__tests__',
+      // TS defaults below
+      'node_modules',
+      'bower_components',
+      'jspm_packages',
+      'tmp',
+      // Unclear why this is resolving as "any"
+      // eslint-disable-next-line
+      ...(configObject.exclude || []),
+    ]),
+  });
+
+  Object.assign(typescriptConfig.compilerOptions, {
+    declarationDir: outputDirectory,
+    noEmit: false,
+    declaration: true,
+    emitDeclarationOnly: true,
+    incremental: false,
+  });
+}
+
+async function makeBundle(
+  directoryName: string,
+  preserveModules: boolean,
+): Promise<boolean> {
+  const console = getConsole(directoryName);
+
+  const packageJson = packageJsonsByDirectoryName[directoryName];
+
+  if (!packageJson) {
+    console.error(
+      `no package.json in ${packagesRoot}/${directoryName}, bailing...`,
+    );
+    return false;
+  }
+  if (packageJson.private === true) {
+    console.error(
+      `${packagesRoot}/${directoryName} is marked private, bailing...`,
+    );
+    return false;
+  }
+  if (!packageJson.main) {
+    console.error(
+      `package.json at ${packagesRoot}/${directoryName} does not have a "main" field, bailing...`,
+    );
+    return false;
+  }
+
+  if (
+    !fse.existsSync(path.join(packagesRoot, directoryName, packageJson.main))
+  ) {
+    console.error(
+      `package.json at ${packagesRoot}/${directoryName} does not have a "main" field that points to an existing source file, bailing...`,
+    );
+    return false;
+  }
+
+  if (!packageJson.name) {
+    console.error(
+      `package.json at ${packagesRoot}/${directoryName} does not have a valid "name", bailing...`,
+    );
+    return false;
+  }
+
+  if (!packageJson.version) {
+    console.error(
+      `package.json at ${packagesRoot}/${directoryName} does not have a valid "version", bailing...`,
+    );
+    return false;
+  }
+
+  if (packageJson.module) {
+    console.error(
+      `package.json at ${packagesRoot}/${directoryName} shouldn't have a "module" field, bailing...`,
+    );
+    return false;
+  }
+
+  if (packageJson.typings) {
+    console.error(
+      `package.json at ${packagesRoot}/${directoryName} shouldn't have a "typings" field, bailing...`,
+    );
+    return false;
+  }
+
+  console.log(`building ${packageJson.name} at packages/${directoryName}...`);
+
+  const bundle = await rollup.rollup({
+    input: path.join(packagesRoot, directoryName, packageJson.main),
+    external: (id) => {
+      // via tsdx
+      if (id === 'babel-plugin-transform-async-to-promises/helpers') {
+        // we want to inline these helpers
+        return false;
+      }
+      // exclude any dependency that's not a realtive import
+      return !id.startsWith('.') && !path.isAbsolute(id);
+    },
+    treeshake: {
+      // via tsdx: Don't use getters and setters on plain objects.
+      propertyReadSideEffects: false,
+    },
+    plugins: [
+      resolve({
+        extensions,
+        browser: true,
+        mainFields: ['module', 'main', 'browser'],
+      }),
+      commonjs({ include: /\/node_modules\// }),
+      babel({
+        babelHelpers: 'bundled',
+        presets: [
+          ['@babel/preset-typescript', { isTSX: true, allExtensions: true }],
+          '@babel/preset-react',
+          [
+            '@babel/preset-env',
+            {
+              // targets: { esmodules: true }, // Use the targets that you was already using
+              // bugfixes: true, // will be default in Babel 8
+            },
+          ],
+        ],
+        plugins: ['@babel/plugin-proposal-class-properties'],
+        extensions,
+        include: [`${packagesRoot}/**/*`],
+        exclude: 'node_modules/**',
+      }),
+      postcss({ extract: false, modules: true }),
+      // TODO: add sass, css modules, dotenv
+      json(),
+      {
+        // via tsdx
+        // Custom plugin that removes shebang from code because newer
+        // versions of bublé bundle their own private version of `acorn`
+        // and I don't know a way to patch in the option `allowHashBang`
+        // to acorn. Taken from microbundle.
+        // See: https://github.com/Rich-Harris/buble/pull/165
+        name: 'strip-shebang',
+        transform(code) {
+          code = code.replace(/^#!(.*)/, '');
+
+          return {
+            code,
+            map: null,
+          };
+        },
+      },
+    ],
+    // TODO: support for css modules, sass, dotenv,
+    // and anything else create-react-app supports
+    // (alternatively, disable support for those in apps)
+  });
+
+  const outputOptions = {
+    freeze: false,
+    sourcemap: true, // TODO: read this off env
+  };
+
+  // we're going to use bundle.write() to actually generate the
+  // output files, but first we're going to do a scan
+  // to validate dependencies and collect some metadata for later
+  const { output } = await bundle.generate(outputOptions);
+  // TODO: we should use this loop to generate the files itself
+  // to avoid the second scan, but it's ok for now I guess.
+
+  // "local" workspaces/packages that were imported, i.e - packages/*
+  const localImports: { [name: string]: string } = {};
+
+  // imports that aren't defined in package.json or root package.json
+  // Now, this will also mark dependencies that were transient/nested,
+  // but I think that's the right choice; a dependency might remove it,
+  // even in a patch, and it'll break your code and you wouldn't know why.
+  const missingDependencies: string[] = [];
+
+  for (const chunkOrAsset of output) {
+    if (chunkOrAsset.type === 'asset') {
+      // TODO: what should happen here?
+    } else {
+      // it's a 'chunk' of source code, let's analyse it
+      for (const imported of [
+        ...chunkOrAsset.imports,
+        ...chunkOrAsset.dynamicImports,
+      ]) {
+        // get the dependency (without references any inner modules)
+        const importedPath = imported.split('/');
+        const importedPackage =
+          // scoped package?
+          importedPath[0][0] === '@'
+            ? `${importedPath[0]}/${importedPath[1]}`
+            : // non-scoped
+              importedPath[0];
+
+        if (importedPackage !== imported) {
+          // TODO: revisit this if and when we have support for multiple entrypoints
+          // TODO: add a line number and file name here
+          throw new Error(`cannot import a submodule from ${importedPackage}`);
+        }
+
+        if (packageJsons[importedPackage]) {
+          // This means we're importing from a local workspace
+          // Let's collect the name and add it in the package.json
+          // we publish to the registry
+          // TODO: make sure local workspaces are NOT explicitly included in package.json
+          if (packageJsons[importedPackage].private !== true) {
+            localImports[importedPackage] = packageJsons[importedPackage]
+              .version as string;
+          } else {
+            throw new Error(
+              `referencing a private package: ${importedPackage}`,
+            ); // TODO - lineNo, filename
+          }
+        } else {
+          // remote
+          if (
+            // not mentioned in the local package.json
+            !packageJson.dependencies?.[importedPackage] &&
+            !packageJson.peerDependencies?.[importedPackage]
+          ) {
+            if (rootPackageJsonDependencies[importedPackage]) {
+              localImports[importedPackage] =
+                rootPackageJsonDependencies[importedPackage];
+            } else {
+              // not mentioned in the root package.json either, so
+              // let's collect its name and throw an error later
+              // TODO: if it's in root's dev dependencies, should throw a
+              // different kind of error
+              if (!builtinModules.includes(importedPackage)) {
+                missingDependencies.push(importedPackage);
+              }
+            }
+          }
+        }
+      }
+    }
+  }
+
+  if (Object.keys(localImports).length > 0) {
+    console.log('Adding dependencies to the generated package.json:');
+    console.log(localImports);
+  }
+
+  if (missingDependencies.length > 0) {
+    throw new Error(
+      `Missing dependencies: ${missingDependencies.join(', ')};`, // TODO: lineNo, filename
+    );
+  }
+
+  // now actually write the bundles to disk
+  // TODO: write to disk in the above check itself to prevent this 2nd pass
+
+  await bundle.write({
+    ...outputOptions,
+    ...(preserveModules
+      ? {
+          preserveModules: true,
+          dir: path.join(
+            packagesRoot,
+            directoryName,
+            outputDirectory,
+            'cjs',
+            path.dirname(packageJson.main),
+          ),
+        }
+      : {
+          file: path.join(
+            packagesRoot,
+            directoryName,
+            outputDirectory,
+            directoryName + '.cjs.js',
+          ),
+        }),
+    format: 'cjs',
+    exports: 'auto',
+  });
+
+  await bundle.write({
+    ...outputOptions,
+    ...(preserveModules
+      ? {
+          preserveModules: true,
+          dir: path.join(
+            packagesRoot,
+            directoryName,
+            outputDirectory,
+            'es',
+            path.dirname(packageJson.main),
+          ),
+        }
+      : {
+          file: path.join(
+            packagesRoot,
+            directoryName,
+            outputDirectory,
+            directoryName + '.es.js',
+          ),
+        }),
+    format: 'es',
+    exports: 'auto',
+  });
+
+  // store the public facing package.json that we'll write to disk later
+  publicPackageJsons[directoryName] = {
+    ...packageJson,
+    // TODO: what of 'bin' fields?
+    main: preserveModules
+      ? path.join(
+          outputDirectory,
+          'cjs',
+          packageJson.main.replace(/\.tsx?$/, '.js'),
+        )
+      : `${outputDirectory}/${directoryName + '.cjs.js'}`,
+    module: preserveModules
+      ? path.join(
+          outputDirectory,
+          'es',
+          packageJson.main.replace(/\.tsx?$/, '.js'),
+        )
+      : `${outputDirectory}/${directoryName + '.es.js'}`,
+    typings: path.join(
+      outputDirectory,
+      'types',
+      packageJson.main.replace(/\.tsx?$/, '.d.ts'),
+    ),
+    dependencies: {
+      ...packageJson.dependencies,
+      ...localImports,
+    },
+    files: distinct([...(packageJson.files || []), '/dist']),
+  };
+
+  console.log(`built ${directoryName}`);
+  return true;
+}
+
+function makeTypings(directoryName: string) {
+  const console = getConsole(directoryName);
+
+  console.log('generating .d.ts files for', directoryName);
+
+  // make a shallow copy of the configuration
+  const tsconfig: TSConfig = {
+    ...typescriptConfig,
+    compilerOptions: {
+      ...typescriptConfig.compilerOptions,
+    },
+  };
+
+  // then add our custom stuff
+  tsconfig.include = [`${packagesRoot}/${directoryName}`];
+  tsconfig.compilerOptions = {
+    ...tsconfig.compilerOptions,
+    declarationDir: `${packagesRoot}/${directoryName}/${outputDirectory}/types`,
+    rootDir: `${packagesRoot}/${directoryName}`,
+  };
+
+  // Extract config information
+  const configParseResult = ts.parseJsonConfigFileContent(
+    tsconfig,
+    ts.sys,
+    path.dirname(typescriptConfigFilename),
+  );
+
+  if (configParseResult.errors.length > 0) {
+    reportTSDiagnostics(directoryName, configParseResult.errors);
+    throw new Error('Could not parse Typescript configuration');
+  }
+
+  const host = ts.createCompilerHost(configParseResult.options);
+  host.writeFile = (fileName, contents) => {
+    fse.mkdirpSync(path.dirname(fileName));
+    fse.writeFileSync(fileName, contents);
+  };
+
+  // Compile
+  const program = ts.createProgram(
+    configParseResult.fileNames,
+    configParseResult.options,
+    host,
+  );
+
+  const emitResult = program.emit();
+
+  // Report errors
+  const diagnostics = ts
+    .getPreEmitDiagnostics(program)
+    .concat(emitResult.diagnostics);
+  if (diagnostics.length > 0) {
+    reportTSDiagnostics(directoryName, diagnostics);
+    throw new Error('Could not generate .d.ts files');
+  }
+}
+
+export async function build(
+  directoryName: string,
+  preserveModules = false,
+): Promise<void> {
+  const console = getConsole(directoryName);
+  // ensure the root build folder is ready
+  await fse.mkdirp(outputDirectory);
+
+  // delete any existing build folder, if at all
+  await prom(rimraf)(path.join(packagesRoot, directoryName, outputDirectory));
+
+  // generate the js files
+  const didBundle = await makeBundle(directoryName, preserveModules);
+  if (!didBundle) {
+    return;
+  }
+  // then the .d.ts files
+  makeTypings(directoryName);
+
+  const originalPkgJsonContent = (await fse.readJson(
+    path.join(packagesRoot, directoryName, 'package.json'),
+  )) as PackageJson;
+
+  // switch in the special package.json
+  try {
+    await fse.writeJson(
+      path.join(packagesRoot, directoryName, 'package.json'),
+      publicPackageJsons[directoryName],
+      { spaces: 2 },
+    );
+
+    await execa(
+      'yarnpkg',
+      // TODO: verify this works on windows
+      [
+        'pack',
+        '--filename',
+        path.join(`../../${outputDirectory}`, directoryName + '.tgz'),
+      ],
+      {
+        cwd: packagesRoot + '/' + directoryName,
+        stdin: process.stdin,
+        stderr: process.stderr,
+        stdout: process.stdout,
+      },
+    );
+  } finally {
+    // now revert package.json
+    await fse.writeJson(
+      path.join(packagesRoot, directoryName, 'package.json'),
+      originalPkgJsonContent,
+      { spaces: 2 },
+    );
+  }
+
+  // cool. now unpack the tgz's contents in the root dist
+  await fse.mkdirp(path.join(outputDirectory, directoryName));
+  await extract({
+    file: path.join(outputDirectory, directoryName + '.tgz'),
+    strip: 1,
+    C: path.join(outputDirectory, directoryName),
+  });
+
+  // (if you're curious why we unpack it here, it's because
+  // we observed problems with publishing tgz files directly to npm.)
+
+  // delete the local dist folder
+  await prom(rimraf)(path.join(packagesRoot, directoryName, outputDirectory));
+
+  // then delete the tgz
+  await fse.remove(path.join(outputDirectory, directoryName + '.tgz'));
+  /// and... that's it
+  console.log('finished');
+}
diff --git a/packages/modular-scripts/src/cli.ts b/packages/modular-scripts/src/cli.ts
index 347153175..7a2fb5678 100755
--- a/packages/modular-scripts/src/cli.ts
+++ b/packages/modular-scripts/src/cli.ts
@@ -12,7 +12,6 @@ import {
 } from 'change-case';
 import prompts from 'prompts';
 import resolveAsBin from 'resolve-as-bin';
-
 import getModularRoot from './getModularRoot';
 
 // Makes the script crash on unhandled rejections instead of silently
@@ -93,7 +92,7 @@ function getAllFiles(dirPath: string, arrayOfFiles: string[] = []) {
   return arrayOfFiles;
 }
 
-function run() {
+async function run() {
   const help = `
   Usage:
 
@@ -116,13 +115,19 @@ function run() {
   try {
     switch (command) {
       case 'add':
-        return addPackage(argv._[1], argv['unstable-type'] as string | void);
+        return addPackage(
+          argv._[1],
+          argv['unstable-type'] as string | undefined,
+        );
       case 'test':
         return test(process.argv.slice(3));
       case 'start':
         return start(argv._[1]);
       case 'build':
-        return build(argv._[1]);
+        return buildParallel(
+          argv._[1].split(','),
+          argv['preserve-modules'] as boolean | undefined,
+        );
       default:
         console.log(help);
         process.exit(1);
@@ -299,25 +304,47 @@ function start(appPath: string) {
   });
 }
 
-function build(appPath: string) {
+// run builds in parallel
+async function buildParallel(
+  directoryNames: string[],
+  preserveModules?: boolean,
+) {
+  const result = await Promise.allSettled(
+    directoryNames.map((name) => build(name, preserveModules)),
+  );
+  const error = result.find((result) => result.status === 'rejected');
+  if (error) throw error;
+}
+
+async function build(directoryName: string, preserveModules?: boolean) {
   const modularRoot = getModularRoot();
 
-  if (!isModularType(path.join(modularRoot, 'packages', appPath), 'app')) {
-    throw new Error(`The package at ${appPath} is not a valid modular app.`);
-  }
+  if (isModularType(path.join(modularRoot, 'packages', directoryName), 'app')) {
+    // create-react-app doesn't support plain module outputs yet,
+    // so --preserve-modules has no effect here
+    await fs.remove(`dist/${directoryName}`);
+    // TODO: this shouldn't be sync
+    execSync(cracoBin, ['build', '--config', cracoConfig], {
+      cwd: path.join(modularRoot, 'packages', directoryName),
+      log: false,
+      // @ts-ignore
+      env: {
+        MODULAR_ROOT: modularRoot,
+      },
+    });
 
-  execSync(cracoBin, ['build', '--config', cracoConfig], {
-    cwd: path.join(modularRoot, 'packages', appPath),
-    log: false,
-    // @ts-ignore
-    env: {
-      MODULAR_ROOT: modularRoot,
-    },
-  });
+    await fs.move(`packages/${directoryName}/build`, `dist/${directoryName}`);
+  } else {
+    // it's a view/package, run a library build
+    const { build } = await import('./build');
+    // ^ we do a dynamic import here to defer the module's initial side effects
+    // till when it's actually needed (i.e. now)
+    await build(directoryName, preserveModules);
+  }
 }
 
-try {
-  void run();
-} catch (err) {
+void run().catch((err) => {
+  // todo - cleanup on errors
   console.error(err);
-}
+  process.exit(1);
+});
diff --git a/tsconfig.json b/tsconfig.json
index 93cdbe1f0..75c9979bf 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -10,7 +10,7 @@
     "jsx": "react-jsx" /* Specify JSX code generation: 'preserve', 'react-native', or 'react'. */,
     "noEmit": true /* Do not emit outputs. */,
     "isolatedModules": true /* Transpile each file as a separate module (similar to 'ts.transpileModule'). */,
-
+    "downlevelIteration": true,
     /* Strict Type-Checking Options */
     "strict": true /* Enable all strict type-checking options. */,
 
@@ -20,6 +20,7 @@
 
     /* Advanced Options */
     "forceConsistentCasingInFileNames": true /* Disallow inconsistently-cased references to the same file. */,
-    "sourceMap": true
+    "sourceMap": true,
+    "incremental": true
   }
 }
diff --git a/yarn.lock b/yarn.lock
index 8e8c87cb0..d7f2311f1 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -31,6 +31,11 @@
   resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.12.5.tgz#f56db0c4bb1bbbf221b4e81345aab4141e7cb0e9"
   integrity sha512-DTsS7cxrsH3by8nqQSpFSyjSfSYl57D6Cf4q8dW3LK83tBKBDCkfcay1nYkXq1nIHXnpX8WMMb/O25HOy3h1zg==
 
+"@babel/compat-data@^7.12.7":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/compat-data/-/compat-data-7.12.7.tgz#9329b4782a7d6bbd7eef57e11addf91ee3ef1e41"
+  integrity sha512-YaxPMGs/XIWtYqrdEOZOCPsVWfEoriXopnsz3/i7apYPXQ3698UFhS6dVT1KN5qOsWmVgw/FOrmQgpRaZayGsw==
+
 "@babel/core@7.12.3", "@babel/core@^7.1.0", "@babel/core@^7.7.5", "@babel/core@^7.8.4", "@babel/core@^7.9.0", "@babel/core@^7.9.6":
   version "7.12.3"
   resolved "https://registry.yarnpkg.com/@babel/core/-/core-7.12.3.tgz#1b436884e1e3bff6fb1328dc02b208759de92ad8"
@@ -94,7 +99,7 @@
     "@babel/helper-annotate-as-pure" "^7.10.4"
     "@babel/types" "^7.10.4"
 
-"@babel/helper-compilation-targets@^7.12.1":
+"@babel/helper-compilation-targets@^7.12.1", "@babel/helper-compilation-targets@^7.12.5":
   version "7.12.5"
   resolved "https://registry.yarnpkg.com/@babel/helper-compilation-targets/-/helper-compilation-targets-7.12.5.tgz#cb470c76198db6a24e9dbc8987275631e5d29831"
   integrity sha512-+qH6NrscMolUlzOYngSBMIOQpKUGPPsc61Bu5W10mg84LxZ7cmvnBHzARKbDoFxVvqqAbj6Tg6N7bSrWSPXMyw==
@@ -170,7 +175,7 @@
   dependencies:
     "@babel/types" "^7.12.1"
 
-"@babel/helper-module-imports@^7.0.0", "@babel/helper-module-imports@^7.12.1":
+"@babel/helper-module-imports@^7.0.0", "@babel/helper-module-imports@^7.10.4", "@babel/helper-module-imports@^7.12.1", "@babel/helper-module-imports@^7.12.5":
   version "7.12.5"
   resolved "https://registry.yarnpkg.com/@babel/helper-module-imports/-/helper-module-imports-7.12.5.tgz#1bfc0229f794988f76ed0a4d4e90860850b54dfb"
   integrity sha512-SR713Ogqg6++uexFRORf/+nPXMmWIn80TALu0uaFb+iQIUoR7bOC7zBWyzBs5b3tBBJXuyD0cRu1F15GyzjOWA==
@@ -376,6 +381,14 @@
     "@babel/helper-plugin-utils" "^7.10.4"
     "@babel/plugin-syntax-numeric-separator" "^7.10.4"
 
+"@babel/plugin-proposal-numeric-separator@^7.12.7":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-numeric-separator/-/plugin-proposal-numeric-separator-7.12.7.tgz#8bf253de8139099fea193b297d23a9d406ef056b"
+  integrity sha512-8c+uy0qmnRTeukiGsjLGy6uVs/TFjJchGXUeBqlG4VWYOdJWkhhVPdQ3uHwbmalfJwv2JsV0qffXP4asRfL2SQ==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.10.4"
+    "@babel/plugin-syntax-numeric-separator" "^7.10.4"
+
 "@babel/plugin-proposal-object-rest-spread@^7.12.1":
   version "7.12.1"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-object-rest-spread/-/plugin-proposal-object-rest-spread-7.12.1.tgz#def9bd03cea0f9b72283dac0ec22d289c7691069"
@@ -402,6 +415,15 @@
     "@babel/helper-skip-transparent-expression-wrappers" "^7.12.1"
     "@babel/plugin-syntax-optional-chaining" "^7.8.0"
 
+"@babel/plugin-proposal-optional-chaining@^7.12.7":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-optional-chaining/-/plugin-proposal-optional-chaining-7.12.7.tgz#e02f0ea1b5dc59d401ec16fb824679f683d3303c"
+  integrity sha512-4ovylXZ0PWmwoOvhU2vhnzVNnm88/Sm9nx7V8BPgMvAzn5zDou3/Awy0EjglyubVHasJj+XCEkr/r1X3P5elCA==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.10.4"
+    "@babel/helper-skip-transparent-expression-wrappers" "^7.12.1"
+    "@babel/plugin-syntax-optional-chaining" "^7.8.0"
+
 "@babel/plugin-proposal-private-methods@^7.12.1":
   version "7.12.1"
   resolved "https://registry.yarnpkg.com/@babel/plugin-proposal-private-methods/-/plugin-proposal-private-methods-7.12.1.tgz#86814f6e7a21374c980c10d38b4493e703f4a389"
@@ -838,6 +860,13 @@
     "@babel/helper-plugin-utils" "^7.10.4"
     "@babel/helper-regex" "^7.10.4"
 
+"@babel/plugin-transform-sticky-regex@^7.12.7":
+  version "7.12.7"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-sticky-regex/-/plugin-transform-sticky-regex-7.12.7.tgz#560224613ab23987453948ed21d0b0b193fa7fad"
+  integrity sha512-VEiqZL5N/QvDbdjfYQBhruN0HYjSPjC4XkeqW4ny/jNtH9gcbgaqBIXYEZCNnESMAGs0/K/R7oFGMhOyu/eIxg==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.10.4"
+
 "@babel/plugin-transform-template-literals@^7.12.1":
   version "7.12.1"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-template-literals/-/plugin-transform-template-literals-7.12.1.tgz#b43ece6ed9a79c0c71119f576d299ef09d942843"
@@ -852,6 +881,13 @@
   dependencies:
     "@babel/helper-plugin-utils" "^7.10.4"
 
+"@babel/plugin-transform-typeof-symbol@^7.12.10":
+  version "7.12.10"
+  resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typeof-symbol/-/plugin-transform-typeof-symbol-7.12.10.tgz#de01c4c8f96580bd00f183072b0d0ecdcf0dec4b"
+  integrity sha512-JQ6H8Rnsogh//ijxspCjc21YPd3VLVoYtAwv3zQmqAt8YGYUtdo5usNhdl4b9/Vir2kPFZl6n1h0PfUz4hJhaA==
+  dependencies:
+    "@babel/helper-plugin-utils" "^7.10.4"
+
 "@babel/plugin-transform-typescript@^7.12.1":
   version "7.12.1"
   resolved "https://registry.yarnpkg.com/@babel/plugin-transform-typescript/-/plugin-transform-typescript-7.12.1.tgz#d92cc0af504d510e26a754a7dbc2e5c8cd9c7ab4"
@@ -948,6 +984,78 @@
     core-js-compat "^3.6.2"
     semver "^5.5.0"
 
+"@babel/preset-env@^7.12.10":
+  version "7.12.10"
+  resolved "https://registry.yarnpkg.com/@babel/preset-env/-/preset-env-7.12.10.tgz#ca981b95f641f2610531bd71948656306905e6ab"
+  integrity sha512-Gz9hnBT/tGeTE2DBNDkD7BiWRELZt+8lSysHuDwmYXUIvtwZl0zI+D6mZgXZX0u8YBlLS4tmai9ONNY9tjRgRA==
+  dependencies:
+    "@babel/compat-data" "^7.12.7"
+    "@babel/helper-compilation-targets" "^7.12.5"
+    "@babel/helper-module-imports" "^7.12.5"
+    "@babel/helper-plugin-utils" "^7.10.4"
+    "@babel/helper-validator-option" "^7.12.1"
+    "@babel/plugin-proposal-async-generator-functions" "^7.12.1"
+    "@babel/plugin-proposal-class-properties" "^7.12.1"
+    "@babel/plugin-proposal-dynamic-import" "^7.12.1"
+    "@babel/plugin-proposal-export-namespace-from" "^7.12.1"
+    "@babel/plugin-proposal-json-strings" "^7.12.1"
+    "@babel/plugin-proposal-logical-assignment-operators" "^7.12.1"
+    "@babel/plugin-proposal-nullish-coalescing-operator" "^7.12.1"
+    "@babel/plugin-proposal-numeric-separator" "^7.12.7"
+    "@babel/plugin-proposal-object-rest-spread" "^7.12.1"
+    "@babel/plugin-proposal-optional-catch-binding" "^7.12.1"
+    "@babel/plugin-proposal-optional-chaining" "^7.12.7"
+    "@babel/plugin-proposal-private-methods" "^7.12.1"
+    "@babel/plugin-proposal-unicode-property-regex" "^7.12.1"
+    "@babel/plugin-syntax-async-generators" "^7.8.0"
+    "@babel/plugin-syntax-class-properties" "^7.12.1"
+    "@babel/plugin-syntax-dynamic-import" "^7.8.0"
+    "@babel/plugin-syntax-export-namespace-from" "^7.8.3"
+    "@babel/plugin-syntax-json-strings" "^7.8.0"
+    "@babel/plugin-syntax-logical-assignment-operators" "^7.10.4"
+    "@babel/plugin-syntax-nullish-coalescing-operator" "^7.8.0"
+    "@babel/plugin-syntax-numeric-separator" "^7.10.4"
+    "@babel/plugin-syntax-object-rest-spread" "^7.8.0"
+    "@babel/plugin-syntax-optional-catch-binding" "^7.8.0"
+    "@babel/plugin-syntax-optional-chaining" "^7.8.0"
+    "@babel/plugin-syntax-top-level-await" "^7.12.1"
+    "@babel/plugin-transform-arrow-functions" "^7.12.1"
+    "@babel/plugin-transform-async-to-generator" "^7.12.1"
+    "@babel/plugin-transform-block-scoped-functions" "^7.12.1"
+    "@babel/plugin-transform-block-scoping" "^7.12.1"
+    "@babel/plugin-transform-classes" "^7.12.1"
+    "@babel/plugin-transform-computed-properties" "^7.12.1"
+    "@babel/plugin-transform-destructuring" "^7.12.1"
+    "@babel/plugin-transform-dotall-regex" "^7.12.1"
+    "@babel/plugin-transform-duplicate-keys" "^7.12.1"
+    "@babel/plugin-transform-exponentiation-operator" "^7.12.1"
+    "@babel/plugin-transform-for-of" "^7.12.1"
+    "@babel/plugin-transform-function-name" "^7.12.1"
+    "@babel/plugin-transform-literals" "^7.12.1"
+    "@babel/plugin-transform-member-expression-literals" "^7.12.1"
+    "@babel/plugin-transform-modules-amd" "^7.12.1"
+    "@babel/plugin-transform-modules-commonjs" "^7.12.1"
+    "@babel/plugin-transform-modules-systemjs" "^7.12.1"
+    "@babel/plugin-transform-modules-umd" "^7.12.1"
+    "@babel/plugin-transform-named-capturing-groups-regex" "^7.12.1"
+    "@babel/plugin-transform-new-target" "^7.12.1"
+    "@babel/plugin-transform-object-super" "^7.12.1"
+    "@babel/plugin-transform-parameters" "^7.12.1"
+    "@babel/plugin-transform-property-literals" "^7.12.1"
+    "@babel/plugin-transform-regenerator" "^7.12.1"
+    "@babel/plugin-transform-reserved-words" "^7.12.1"
+    "@babel/plugin-transform-shorthand-properties" "^7.12.1"
+    "@babel/plugin-transform-spread" "^7.12.1"
+    "@babel/plugin-transform-sticky-regex" "^7.12.7"
+    "@babel/plugin-transform-template-literals" "^7.12.1"
+    "@babel/plugin-transform-typeof-symbol" "^7.12.10"
+    "@babel/plugin-transform-unicode-escapes" "^7.12.1"
+    "@babel/plugin-transform-unicode-regex" "^7.12.1"
+    "@babel/preset-modules" "^0.1.3"
+    "@babel/types" "^7.12.10"
+    core-js-compat "^3.8.0"
+    semver "^5.5.0"
+
 "@babel/preset-modules@^0.1.3":
   version "0.1.4"
   resolved "https://registry.yarnpkg.com/@babel/preset-modules/-/preset-modules-0.1.4.tgz#362f2b68c662842970fdb5e254ffc8fc1c2e415e"
@@ -1048,6 +1156,15 @@
     lodash "^4.17.19"
     to-fast-properties "^2.0.0"
 
+"@babel/types@^7.12.10":
+  version "7.12.10"
+  resolved "https://registry.yarnpkg.com/@babel/types/-/types-7.12.10.tgz#7965e4a7260b26f09c56bcfcb0498af1f6d9b260"
+  integrity sha512-sf6wboJV5mGyip2hIpDSKsr80RszPinEFjsHTalMxZAZkoQ2/2yQzxlcFN52SJqsyPfLtPmenL4g2KB3KJXPDw==
+  dependencies:
+    "@babel/helper-validator-identifier" "^7.10.4"
+    lodash "^4.17.19"
+    to-fast-properties "^2.0.0"
+
 "@bcoe/v8-coverage@^0.2.3":
   version "0.2.3"
   resolved "https://registry.yarnpkg.com/@bcoe/v8-coverage/-/v8-coverage-0.2.3.tgz#75a2e8b51cb758a7553d6804a5932d7aace75c39"
@@ -1581,6 +1698,34 @@
     schema-utils "^2.6.5"
     source-map "^0.7.3"
 
+"@rollup/plugin-babel@^5.2.1":
+  version "5.2.1"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-babel/-/plugin-babel-5.2.1.tgz#20fc8f8864dc0eaa1c5578408459606808f72924"
+  integrity sha512-Jd7oqFR2dzZJ3NWANDyBjwTtX/lYbZpVcmkHrfQcpvawHs9E4c0nYk5U2mfZ6I/DZcIvy506KZJi54XK/jxH7A==
+  dependencies:
+    "@babel/helper-module-imports" "^7.10.4"
+    "@rollup/pluginutils" "^3.1.0"
+
+"@rollup/plugin-commonjs@^16.0.0":
+  version "16.0.0"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-commonjs/-/plugin-commonjs-16.0.0.tgz#169004d56cd0f0a1d0f35915d31a036b0efe281f"
+  integrity sha512-LuNyypCP3msCGVQJ7ki8PqYdpjfEkE/xtFa5DqlF+7IBD0JsfMZ87C58heSwIMint58sAUZbt3ITqOmdQv/dXw==
+  dependencies:
+    "@rollup/pluginutils" "^3.1.0"
+    commondir "^1.0.1"
+    estree-walker "^2.0.1"
+    glob "^7.1.6"
+    is-reference "^1.2.1"
+    magic-string "^0.25.7"
+    resolve "^1.17.0"
+
+"@rollup/plugin-json@^4.1.0":
+  version "4.1.0"
+  resolved "https://registry.yarnpkg.com/@rollup/plugin-json/-/plugin-json-4.1.0.tgz#54e09867ae6963c593844d8bd7a9c718294496f3"
+  integrity sha512-yfLbTdNS6amI/2OpmbiBoW12vngr5NW2jCJVZSBEz+H5KfUJZ2M7sDjk0U6GOOdCWFVScShte29o9NezJ53TPw==
+  dependencies:
+    "@rollup/pluginutils" "^3.0.8"
+
 "@rollup/plugin-node-resolve@^7.1.1":
   version "7.1.3"
   resolved "https://registry.yarnpkg.com/@rollup/plugin-node-resolve/-/plugin-node-resolve-7.1.3.tgz#80de384edfbd7bfc9101164910f86078151a3eca"
@@ -1614,6 +1759,11 @@
   resolved "https://registry.yarnpkg.com/@schemastore/package/-/package-0.0.6.tgz#9a76713da1c7551293b7e72e4f387f802bfd5d81"
   integrity sha512-uNloNHoyHttSSdeuEkkSC+mdxJXMKlcUPOMb//qhQbIQijXg8x54VmAw3jm6GJZQ5DBtIqGBd66zEQCDCChQVA==
 
+"@schemastore/tsconfig@^0.0.9":
+  version "0.0.9"
+  resolved "https://registry.yarnpkg.com/@schemastore/tsconfig/-/tsconfig-0.0.9.tgz#77a1a1fb55eb879391aa78db3154dbcc4d93948b"
+  integrity sha512-0T6K8M9Lt+s9IfMotEb6rLifYlwLHyazkwLO9B9km+RNSqDrx2NI5cB/7wAiZfvIVKK/UFlG0abaCNf01ydx8Q==
+
 "@sinonjs/commons@^1.7.0":
   version "1.8.1"
   resolved "https://registry.yarnpkg.com/@sinonjs/commons/-/commons-1.8.1.tgz#e7df00f98a203324f6dc7cc606cad9d4a8ab2217"
@@ -1933,6 +2083,13 @@
   resolved "https://registry.yarnpkg.com/@types/minimist/-/minimist-1.2.1.tgz#283f669ff76d7b8260df8ab7a4262cc83d988256"
   integrity sha512-fZQQafSREFyuZcdWFAExYjBiCL7AUCdgsk80iO0q4yihYYdcIiH28CcuPTGFgLOCC8RlW49GSQxdHwZP+I7CNg==
 
+"@types/minipass@*":
+  version "2.2.0"
+  resolved "https://registry.yarnpkg.com/@types/minipass/-/minipass-2.2.0.tgz#51ad404e8eb1fa961f75ec61205796807b6f9651"
+  integrity sha512-wuzZksN4w4kyfoOv/dlpov4NOunwutLA/q7uc00xU02ZyUY+aoM5PWIXEKBMnm0NHd4a+N71BMjq+x7+2Af1fg==
+  dependencies:
+    "@types/node" "*"
+
 "@types/mri@^1.1.0":
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/@types/mri/-/mri-1.1.0.tgz#66555e4d797713789ea0fefdae0898d8170bf5af"
@@ -2037,6 +2194,14 @@
   resolved "https://registry.yarnpkg.com/@types/tapable/-/tapable-1.0.6.tgz#a9ca4b70a18b270ccb2bc0aaafefd1d486b7ea74"
   integrity sha512-W+bw9ds02rAQaMvaLYxAbJ6cvguW/iJXNT6lTssS1ps6QdrMKttqEAMEG/b5CR8TZl3/L7/lH0ZV5nNR1LXikA==
 
+"@types/tar@^4.0.4":
+  version "4.0.4"
+  resolved "https://registry.yarnpkg.com/@types/tar/-/tar-4.0.4.tgz#d680de60855e7778a51c672b755869a3b8d2889f"
+  integrity sha512-0Xv+xcmkTsOZdIF4yCnd7RkOOyfyqPaqJ7RZFKnwdxfDbkN3eAAE9sHl8zJFqBz4VhxolW9EErbjR1oyH7jK2A==
+  dependencies:
+    "@types/minipass" "*"
+    "@types/node" "*"
+
 "@types/testing-library__jest-dom@^5.9.1":
   version "5.9.5"
   resolved "https://registry.yarnpkg.com/@types/testing-library__jest-dom/-/testing-library__jest-dom-5.9.5.tgz#5bf25c91ad2d7b38f264b12275e5c92a66d849b0"
@@ -2464,7 +2629,7 @@ acorn@^6.4.1:
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-6.4.2.tgz#35866fd710528e92de10cf06016498e47e39e1e6"
   integrity sha512-XtGIhXwF8YM8bJhGxG5kXgjkEuNGLTkoYqVE+KMR+aspr4KGYmKYg7yUe3KghyQ9yheNwLnjmzh/7+gfDBmHCQ==
 
-acorn@^7.1.0, acorn@^7.1.1, acorn@^7.4.0:
+acorn@^7.1.1, acorn@^7.4.0:
   version "7.4.1"
   resolved "https://registry.yarnpkg.com/acorn/-/acorn-7.4.1.tgz#feaed255973d2e77555b83dbc08851a6c63520fa"
   integrity sha512-nQyp0o1/mNdbTO1PO6kHkwSrmgZ0MT/jCCpNiwbUjGoRN4dlBhqJtoQuCnEOKzgTVwg0ZWiCoQy6SxMebQVh8A==
@@ -2569,6 +2734,11 @@ ansi-regex@^5.0.0:
   resolved "https://registry.yarnpkg.com/ansi-regex/-/ansi-regex-5.0.0.tgz#388539f55179bf39339c81af30a654d69f87cb75"
   integrity sha512-bY6fj56OUQ0hU1KjFNDQuJFezqKdrAyFdIevADiqrWHwSlbmBNMHp5ak2f40Pm8JTFyM2mqxkG6ngkHO11f/lg==
 
+ansi-styles@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-2.2.1.tgz#b432dd3358b634cf75e1e4664368240533c1ddbe"
+  integrity sha1-tDLdM1i2NM914eRmQ2gkBTPB3b4=
+
 ansi-styles@^3.2.0, ansi-styles@^3.2.1:
   version "3.2.1"
   resolved "https://registry.yarnpkg.com/ansi-styles/-/ansi-styles-3.2.1.tgz#41fbb20243e50b12be0f04b8dedbf07520ce841d"
@@ -3286,6 +3456,17 @@ browserslist@^4.0.0, browserslist@^4.12.0, browserslist@^4.14.5, browserslist@^4
     escalade "^3.1.1"
     node-releases "^1.1.66"
 
+browserslist@^4.15.0:
+  version "4.16.0"
+  resolved "https://registry.yarnpkg.com/browserslist/-/browserslist-4.16.0.tgz#410277627500be3cb28a1bfe037586fbedf9488b"
+  integrity sha512-/j6k8R0p3nxOC6kx5JGAxsnhc9ixaWJfYc+TNTzxg6+ARaESAvQGV7h0uNOB4t+pLQJZWzcrMxXOxjgsCj3dqQ==
+  dependencies:
+    caniuse-lite "^1.0.30001165"
+    colorette "^1.2.1"
+    electron-to-chromium "^1.3.621"
+    escalade "^3.1.1"
+    node-releases "^1.1.67"
+
 bser@2.1.1:
   version "2.1.1"
   resolved "https://registry.yarnpkg.com/bser/-/bser-2.1.1.tgz#e6787da20ece9d07998533cfd9de6f5c38f4bc05"
@@ -3488,6 +3669,11 @@ caniuse-lite@^1.0.0, caniuse-lite@^1.0.30000981, caniuse-lite@^1.0.30001109, can
   resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001157.tgz#2d11aaeb239b340bc1aa730eca18a37fdb07a9ab"
   integrity sha512-gOerH9Wz2IRZ2ZPdMfBvyOi3cjaz4O4dgNwPGzx8EhqAs4+2IL/O+fJsbt+znSigujoZG8bVcIAUM/I/E5K3MA==
 
+caniuse-lite@^1.0.30001165:
+  version "1.0.30001165"
+  resolved "https://registry.yarnpkg.com/caniuse-lite/-/caniuse-lite-1.0.30001165.tgz#32955490d2f60290bb186bb754f2981917fa744f"
+  integrity sha512-8cEsSMwXfx7lWSUMA2s08z9dIgsnR5NAqjXP23stdsU3AUWkCr/rr4s4OFtHXn5XXr6+7kam3QFVoYyXNPdJPA==
+
 capital-case@^1.0.3:
   version "1.0.3"
   resolved "https://registry.yarnpkg.com/capital-case/-/capital-case-1.0.3.tgz#339bd77e8fab6cf75111d4fca509b3edf7c117c8"
@@ -3523,6 +3709,17 @@ chalk@2.4.2, chalk@^2.0.0, chalk@^2.0.1, chalk@^2.1.0, chalk@^2.4.1, chalk@^2.4.
     escape-string-regexp "^1.0.5"
     supports-color "^5.3.0"
 
+chalk@^1.1.3:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  integrity sha1-qBFcVeSnAv5NFQq9OHKCKn4J/Jg=
+  dependencies:
+    ansi-styles "^2.2.1"
+    escape-string-regexp "^1.0.2"
+    has-ansi "^2.0.0"
+    strip-ansi "^3.0.0"
+    supports-color "^2.0.0"
+
 chalk@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/chalk/-/chalk-3.0.0.tgz#3f73c2bf526591f574cc492c51e2456349f844e4"
@@ -3889,6 +4086,13 @@ concat-stream@^1.5.0:
     readable-stream "^2.2.2"
     typedarray "^0.0.6"
 
+concat-with-sourcemaps@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/concat-with-sourcemaps/-/concat-with-sourcemaps-1.1.0.tgz#d4ea93f05ae25790951b99e7b3b09e3908a4082e"
+  integrity sha512-4gEjHJFT9e+2W/77h/DS5SGUgwDaOwprX8L/gl5+3ixnzkVJJsZWDSelmN3Oilw3LNDZjZV0yqH1hLG3k6nghg==
+  dependencies:
+    source-map "^0.6.1"
+
 confusing-browser-globals@^1.0.10, confusing-browser-globals@^1.0.9:
   version "1.0.10"
   resolved "https://registry.yarnpkg.com/confusing-browser-globals/-/confusing-browser-globals-1.0.10.tgz#30d1e7f3d1b882b25ec4933d1d1adac353d20a59"
@@ -3982,6 +4186,14 @@ core-js-compat@^3.6.2:
     browserslist "^4.14.6"
     semver "7.0.0"
 
+core-js-compat@^3.8.0:
+  version "3.8.1"
+  resolved "https://registry.yarnpkg.com/core-js-compat/-/core-js-compat-3.8.1.tgz#8d1ddd341d660ba6194cbe0ce60f4c794c87a36e"
+  integrity sha512-a16TLmy9NVD1rkjUGbwuyWkiDoN0FDpAwrfLONvHFQx0D9k7J9y0srwMT8QP/Z6HE3MIFaVynEeYwZwPX1o5RQ==
+  dependencies:
+    browserslist "^4.15.0"
+    semver "7.0.0"
+
 core-js-pure@^3.0.0:
   version "3.7.0"
   resolved "https://registry.yarnpkg.com/core-js-pure/-/core-js-pure-3.7.0.tgz#28a57c861d5698e053f0ff36905f7a3301b4191e"
@@ -4162,6 +4374,18 @@ css-loader@4.3.0:
     schema-utils "^2.7.1"
     semver "^7.3.2"
 
+css-modules-loader-core@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/css-modules-loader-core/-/css-modules-loader-core-1.1.0.tgz#5908668294a1becd261ae0a4ce21b0b551f21d16"
+  integrity sha1-WQhmgpShvs0mGuCkziGwtVHyHRY=
+  dependencies:
+    icss-replace-symbols "1.1.0"
+    postcss "6.0.1"
+    postcss-modules-extract-imports "1.1.0"
+    postcss-modules-local-by-default "1.2.0"
+    postcss-modules-scope "1.1.0"
+    postcss-modules-values "1.3.0"
+
 css-prefers-color-scheme@^3.1.1:
   version "3.1.1"
   resolved "https://registry.yarnpkg.com/css-prefers-color-scheme/-/css-prefers-color-scheme-3.1.1.tgz#6f830a2714199d4f0d0d0bb8a27916ed65cff1f4"
@@ -4194,6 +4418,14 @@ css-select@^2.0.0:
     domutils "^1.7.0"
     nth-check "^1.0.2"
 
+css-selector-tokenizer@^0.7.0:
+  version "0.7.3"
+  resolved "https://registry.yarnpkg.com/css-selector-tokenizer/-/css-selector-tokenizer-0.7.3.tgz#735f26186e67c749aaf275783405cf0661fae8f1"
+  integrity sha512-jWQv3oCEL5kMErj4wRnK/OPoBi0D+P1FR2cDCKYPaMeD2eW3/mttav8HT4hT1CKopiJI/psEULjkClhvJo4Lvg==
+  dependencies:
+    cssesc "^3.0.0"
+    fastparse "^1.1.2"
+
 css-tree@1.0.0-alpha.37:
   version "1.0.0-alpha.37"
   resolved "https://registry.yarnpkg.com/css-tree/-/css-tree-1.0.0-alpha.37.tgz#98bebd62c4c1d9f960ec340cf9f7522e30709a22"
@@ -4790,6 +5022,11 @@ electron-to-chromium@^1.3.564, electron-to-chromium@^1.3.591:
   resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.592.tgz#4621521b223bf6e5469373528321e185d3c24670"
   integrity sha512-kGNowksvqQiPb1pUSQKpd8JFoGPLxYOwduNRCqCxGh/2Q1qE2JdmwouCW41lUzDxOb/2RIV4lR0tVIfboWlO9A==
 
+electron-to-chromium@^1.3.621:
+  version "1.3.622"
+  resolved "https://registry.yarnpkg.com/electron-to-chromium/-/electron-to-chromium-1.3.622.tgz#9726bd2e67a5462154750ce9701ca6af07d07877"
+  integrity sha512-AJT0Fm1W0uZlMVVkkJrcCVvczDuF8tPm3bwzQf5WO8AaASB2hwTRP7B8pU5rqjireH+ib6am8+hH5/QkXzzYKw==
+
 elliptic@^6.5.3:
   version "6.5.3"
   resolved "https://registry.yarnpkg.com/elliptic/-/elliptic-6.5.3.tgz#cb59eb2efdaf73a0bd78ccd7015a62ad6e0f93d6"
@@ -4977,7 +5214,7 @@ escape-string-regexp@2.0.0, escape-string-regexp@^2.0.0:
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-2.0.0.tgz#a30304e99daa32e23b2fd20f51babd07cffca344"
   integrity sha512-UpzcLCXolUWcNu5HtVMHYdXJjArjsF9C0aNnquZYY4uW/Vu0miy5YoWvbV345HauVvcAUnpRuhMMcqTcGOY2+w==
 
-escape-string-regexp@^1.0.5:
+escape-string-regexp@^1.0.2, escape-string-regexp@^1.0.5:
   version "1.0.5"
   resolved "https://registry.yarnpkg.com/escape-string-regexp/-/escape-string-regexp-1.0.5.tgz#1b61c0562190a8dff6ae3bb2cf0200ca130b86d4"
   integrity sha1-G2HAViGQqN/2rjuyzwIAyhMLhtQ=
@@ -5245,6 +5482,11 @@ estree-walker@^1.0.1:
   resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-1.0.1.tgz#31bc5d612c96b704106b477e6dd5d8aa138cb700"
   integrity sha512-1fMXF3YP4pZZVozF8j/ZLfvnR8NSIljt56UhbZ5PeeDmmGHpgpdwQt7ITlGvYaQukCvuBRMLEiKiYC+oeIg4cg==
 
+estree-walker@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/estree-walker/-/estree-walker-2.0.1.tgz#f8e030fb21cefa183b44b7ad516b747434e7a3e0"
+  integrity sha512-tF0hv+Yi2Ot1cwj9eYHtxC0jB9bmjacjQs6ZBTj82H8JwUywFuc+7E83NWfNMwHXZc11mjfFcVXPe9gEP4B8dg==
+
 esutils@^2.0.2:
   version "2.0.3"
   resolved "https://registry.yarnpkg.com/esutils/-/esutils-2.0.3.tgz#74d2eb4de0b8da1293711910d50775b9b710ef64"
@@ -5255,7 +5497,7 @@ etag@~1.8.1:
   resolved "https://registry.yarnpkg.com/etag/-/etag-1.8.1.tgz#41ae2eeb65efa62268aebfea83ac7d79299b0887"
   integrity sha1-Qa4u62XvpiJorr/qg6x9eSmbCIc=
 
-eventemitter3@^4.0.0:
+eventemitter3@^4.0.0, eventemitter3@^4.0.4:
   version "4.0.7"
   resolved "https://registry.yarnpkg.com/eventemitter3/-/eventemitter3-4.0.7.tgz#2de9b68f6528d5644ef5c59526a1b4a07306169f"
   integrity sha512-8guHBZCwKnFhYdHr2ysuRWErTwhoN2X8XELRlrRwpmfeY2jjuUN4taQMsULKUVo1K4DvZl+0pgfyoysHxvmvEw==
@@ -5495,6 +5737,11 @@ fast-levenshtein@^2.0.6, fast-levenshtein@~2.0.6:
   resolved "https://registry.yarnpkg.com/fast-levenshtein/-/fast-levenshtein-2.0.6.tgz#3d8a5c66883a16a30ca8643e851f19baa7797917"
   integrity sha1-PYpcZog6FqMMqGQ+hR8Zuqd5eRc=
 
+fastparse@^1.1.2:
+  version "1.1.2"
+  resolved "https://registry.yarnpkg.com/fastparse/-/fastparse-1.1.2.tgz#91728c5a5942eced8531283c79441ee4122c35a9"
+  integrity sha512-483XLLxTVIwWK3QTrMGRqUfUpoOs/0hbQrl2oz4J0pAcm3A3bu84wxTFqGqkJzewCLdME38xJLJAxBABfQT8sQ==
+
 fastq@^1.6.0:
   version "1.9.0"
   resolved "https://registry.yarnpkg.com/fastq/-/fastq-1.9.0.tgz#e16a72f338eaca48e91b5c23593bcc2ef66b7947"
@@ -5854,6 +6101,13 @@ functional-red-black-tree@^1.0.1:
   resolved "https://registry.yarnpkg.com/functional-red-black-tree/-/functional-red-black-tree-1.0.1.tgz#1b0ab3bd553b2a0d6399d29c0e3ea0b252078327"
   integrity sha1-GwqzvVU7Kg1jmdKcDj6gslIHgyc=
 
+generic-names@^2.0.1:
+  version "2.0.1"
+  resolved "https://registry.yarnpkg.com/generic-names/-/generic-names-2.0.1.tgz#f8a378ead2ccaa7a34f0317b05554832ae41b872"
+  integrity sha512-kPCHWa1m9wGG/OwQpeweTwM/PYiQLrUIxXbt/P4Nic3LbGjCP0YwrALHW1uNLKZ0LIMg+RF+XRlj2ekT9ZlZAQ==
+  dependencies:
+    loader-utils "^1.1.0"
+
 gensync@^1.0.0-beta.1:
   version "1.0.0-beta.2"
   resolved "https://registry.yarnpkg.com/gensync/-/gensync-1.0.0-beta.2.tgz#32a6ee76c3d7f52d46b2b1ae5d93fea8580a25e0"
@@ -6048,6 +6302,18 @@ harmony-reflect@^1.4.6:
   resolved "https://registry.yarnpkg.com/harmony-reflect/-/harmony-reflect-1.6.1.tgz#c108d4f2bb451efef7a37861fdbdae72c9bdefa9"
   integrity sha512-WJTeyp0JzGtHcuMsi7rw2VwtkvLa+JyfEKJCFyfcS0+CDkjQ5lHPu7zEhFZP+PDSRrEgXa5Ah0l1MbgbE41XjA==
 
+has-ansi@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/has-ansi/-/has-ansi-2.0.0.tgz#34f5049ce1ecdf2b0649af3ef24e45ed35416d91"
+  integrity sha1-NPUEnOHs3ysGSa8+8k5F7TVBbZE=
+  dependencies:
+    ansi-regex "^2.0.0"
+
+has-flag@^1.0.0:
+  version "1.0.0"
+  resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-1.0.0.tgz#9d9e793165ce017a00f00418c43f942a7b1d11fa"
+  integrity sha1-nZ55MWXOAXoA8AQYxD+UKnsdEfo=
+
 has-flag@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/has-flag/-/has-flag-3.0.0.tgz#b5d454dc2199ae225699f3467e5a07f3b955bafd"
@@ -6353,6 +6619,11 @@ iconv-lite@0.4.24, iconv-lite@^0.4.24:
   dependencies:
     safer-buffer ">= 2.1.2 < 3"
 
+icss-replace-symbols@1.1.0, icss-replace-symbols@^1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/icss-replace-symbols/-/icss-replace-symbols-1.1.0.tgz#06ea6f83679a7749e386cfe1fe812ae5db223ded"
+  integrity sha1-Bupvg2ead0njhs/h/oEq5dsiPe0=
+
 icss-utils@^4.0.0, icss-utils@^4.1.1:
   version "4.1.1"
   resolved "https://registry.yarnpkg.com/icss-utils/-/icss-utils-4.1.1.tgz#21170b53789ee27447c2f47dd683081403f9a467"
@@ -6399,6 +6670,13 @@ import-cwd@^2.0.0:
   dependencies:
     import-from "^2.1.0"
 
+import-cwd@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/import-cwd/-/import-cwd-3.0.0.tgz#20845547718015126ea9b3676b7592fb8bd4cf92"
+  integrity sha512-4pnzH16plW+hgvRECbDWpQl3cqtvSofHWh44met7ESfZ8UZOWWddm8hEyDTqREJ9RbYHY8gi8DqmaelApoOGMg==
+  dependencies:
+    import-from "^3.0.0"
+
 import-fresh@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/import-fresh/-/import-fresh-2.0.0.tgz#d81355c15612d386c61f9ddd3922d4304822a546"
@@ -6422,6 +6700,13 @@ import-from@^2.1.0:
   dependencies:
     resolve-from "^3.0.0"
 
+import-from@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/import-from/-/import-from-3.0.0.tgz#055cfec38cd5a27d8057ca51376d7d3bf0891966"
+  integrity sha512-CiuXOFFSzkU5x/CR0+z7T91Iht4CXgfCxVOFRhh2Zyhg5wOpWvvDLQUsWl+gcN+QscYBjez8hDCt85O7RLDttQ==
+  dependencies:
+    resolve-from "^5.0.0"
+
 import-local@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/import-local/-/import-local-2.0.0.tgz#55070be38a5993cf18ef6db7e961f5bee5c5a09d"
@@ -6768,6 +7053,13 @@ is-potential-custom-element-name@^1.0.0:
   resolved "https://registry.yarnpkg.com/is-potential-custom-element-name/-/is-potential-custom-element-name-1.0.0.tgz#0c52e54bcca391bb2c494b21e8626d7336c6e397"
   integrity sha1-DFLlS8yjkbssSUsh6GJtczbG45c=
 
+is-reference@^1.2.1:
+  version "1.2.1"
+  resolved "https://registry.yarnpkg.com/is-reference/-/is-reference-1.2.1.tgz#8b2dac0b371f4bc994fdeaba9eb542d03002d0b7"
+  integrity sha512-U82MsXXiFIrjCK4otLT+o2NA2Cd2g5MLoOVXUZjIOhLurrRxpEXzI8O0KZHr3IjLvlAH1kTPYSuqer5T9ZVBKQ==
+  dependencies:
+    "@types/estree" "*"
+
 is-regex@^1.0.4, is-regex@^1.1.1:
   version "1.1.1"
   resolved "https://registry.yarnpkg.com/is-regex/-/is-regex-1.1.1.tgz#c6f98aacc546f6cec5468a07b7b153ab564a57b9"
@@ -7736,6 +8028,11 @@ lodash._reinterpolate@^3.0.0:
   resolved "https://registry.yarnpkg.com/lodash._reinterpolate/-/lodash._reinterpolate-3.0.0.tgz#0ccf2d89166af03b3663c796538b75ac6e114d9d"
   integrity sha1-DM8tiRZq8Ds2Y8eWU4t1rG4RTZ0=
 
+lodash.camelcase@^4.3.0:
+  version "4.3.0"
+  resolved "https://registry.yarnpkg.com/lodash.camelcase/-/lodash.camelcase-4.3.0.tgz#b28aa6288a2b9fc651035c7711f65ab6190331a6"
+  integrity sha1-soqmKIorn8ZRA1x3EfZathkDMaY=
+
 lodash.memoize@^4.1.2:
   version "4.1.2"
   resolved "https://registry.yarnpkg.com/lodash.memoize/-/lodash.memoize-4.1.2.tgz#bcc6c49a42a2840ed997f323eada5ecd182e0bfe"
@@ -8367,6 +8664,11 @@ node-releases@^1.1.61, node-releases@^1.1.66:
   resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.66.tgz#609bd0dc069381015cd982300bae51ab4f1b1814"
   integrity sha512-JHEQ1iWPGK+38VLB2H9ef2otU4l8s3yAMt9Xf934r6+ojCYDMHPMqvCc9TnzfeFSP1QEOeU6YZEd3+De0LTCgg==
 
+node-releases@^1.1.67:
+  version "1.1.67"
+  resolved "https://registry.yarnpkg.com/node-releases/-/node-releases-1.1.67.tgz#28ebfcccd0baa6aad8e8d4d8fe4cbc49ae239c12"
+  integrity sha512-V5QF9noGFl3EymEwUYzO+3NTDpGfQB4ve6Qfnzf3UNydMhjQRVPR1DZTuvWiLzaFJYw2fmDwAfnRNEVb64hSIg==
+
 normalize-package-data@^2.3.2, normalize-package-data@^2.5.0:
   version "2.5.0"
   resolved "https://registry.yarnpkg.com/normalize-package-data/-/normalize-package-data-2.5.0.tgz#e66db1838b200c1dfc233225d12cb36520e234a8"
@@ -8721,6 +9023,14 @@ p-map@^4.0.0:
   dependencies:
     aggregate-error "^3.0.0"
 
+p-queue@^6.3.0:
+  version "6.6.2"
+  resolved "https://registry.yarnpkg.com/p-queue/-/p-queue-6.6.2.tgz#2068a9dcf8e67dd0ec3e7a2bcb76810faa85e426"
+  integrity sha512-RwFpb72c/BhQLEXIZ5K2e+AhgNVmIejGlTgiB9MzZ0e93GRvqZ7uSi0dvRF7/XIXDeNkra2fNHBxTyPDGySpjQ==
+  dependencies:
+    eventemitter3 "^4.0.4"
+    p-timeout "^3.2.0"
+
 p-retry@^3.0.1:
   version "3.0.1"
   resolved "https://registry.yarnpkg.com/p-retry/-/p-retry-3.0.1.tgz#316b4c8893e2c8dc1cfa891f406c4b422bebf328"
@@ -8728,6 +9038,13 @@ p-retry@^3.0.1:
   dependencies:
     retry "^0.12.0"
 
+p-timeout@^3.2.0:
+  version "3.2.0"
+  resolved "https://registry.yarnpkg.com/p-timeout/-/p-timeout-3.2.0.tgz#c7e17abc971d2a7962ef83626b35d635acf23dfe"
+  integrity sha512-rhIwUycgwwKcP9yTOOFK/AKsAopjjCakVqLHePO3CC6Mir1Z99xT+R63jZxAT5lFZLa2inS5h+ZS2GvR99/FBg==
+  dependencies:
+    p-finally "^1.0.0"
+
 p-try@^1.0.0:
   version "1.0.0"
   resolved "https://registry.yarnpkg.com/p-try/-/p-try-1.0.0.tgz#cbc79cdbaf8fd4228e13f621f2b1a237c1b207b3"
@@ -8932,6 +9249,11 @@ pify@^4.0.1:
   resolved "https://registry.yarnpkg.com/pify/-/pify-4.0.1.tgz#4b2cd25c50d598735c50292224fd8c6df41e3231"
   integrity sha512-uB80kBFb/tfd68bVleG9T5GGsGPjJrLAUpR5PZIrhBnIaRTQRjqdJSsIKkOP6OAIFbj7GOrcudc5pNjZ+geV2g==
 
+pify@^5.0.0:
+  version "5.0.0"
+  resolved "https://registry.yarnpkg.com/pify/-/pify-5.0.0.tgz#1f5eca3f5e87ebec28cc6d54a0e4aaf00acc127f"
+  integrity sha512-eW/gHNMlxdSP6dmG6uJip6FXN0EQBwm2clYYd8Wul42Cwu/DK8HEftzsapcNdYe2MfLiIwZqsDk2RDEsTE79hA==
+
 pinkie-promise@^2.0.0:
   version "2.0.1"
   resolved "https://registry.yarnpkg.com/pinkie-promise/-/pinkie-promise-2.0.1.tgz#2135d6dfa7a358c069ac9b178776288228450ffa"
@@ -9227,7 +9549,7 @@ postcss-lab-function@^2.0.1:
     postcss "^7.0.2"
     postcss-values-parser "^2.0.0"
 
-postcss-load-config@^2.0.0:
+postcss-load-config@^2.0.0, postcss-load-config@^2.1.0:
   version "2.1.2"
   resolved "https://registry.yarnpkg.com/postcss-load-config/-/postcss-load-config-2.1.2.tgz#c5ea504f2c4aef33c7359a34de3573772ad7502a"
   integrity sha512-/rDeGV6vMUo3mwJZmeHfEDvwnTKKqQ0S7OHUi/kJvvtx3aWtyWG2/0ZWnzCt2keEclwN6Tf0DST2v9kITdOKYw==
@@ -9321,6 +9643,13 @@ postcss-minify-selectors@^4.0.2:
     postcss "^7.0.0"
     postcss-selector-parser "^3.0.0"
 
+postcss-modules-extract-imports@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-modules-extract-imports/-/postcss-modules-extract-imports-1.1.0.tgz#b614c9720be6816eaee35fb3a5faa1dba6a05ddb"
+  integrity sha1-thTJcgvmgW6u41+zpfqh26agXds=
+  dependencies:
+    postcss "^6.0.1"
+
 postcss-modules-extract-imports@^2.0.0:
   version "2.0.0"
   resolved "https://registry.yarnpkg.com/postcss-modules-extract-imports/-/postcss-modules-extract-imports-2.0.0.tgz#818719a1ae1da325f9832446b01136eeb493cd7e"
@@ -9328,6 +9657,14 @@ postcss-modules-extract-imports@^2.0.0:
   dependencies:
     postcss "^7.0.5"
 
+postcss-modules-local-by-default@1.2.0:
+  version "1.2.0"
+  resolved "https://registry.yarnpkg.com/postcss-modules-local-by-default/-/postcss-modules-local-by-default-1.2.0.tgz#f7d80c398c5a393fa7964466bd19500a7d61c069"
+  integrity sha1-99gMOYxaOT+nlkRmvRlQCn1hwGk=
+  dependencies:
+    css-selector-tokenizer "^0.7.0"
+    postcss "^6.0.1"
+
 postcss-modules-local-by-default@^3.0.3:
   version "3.0.3"
   resolved "https://registry.yarnpkg.com/postcss-modules-local-by-default/-/postcss-modules-local-by-default-3.0.3.tgz#bb14e0cc78279d504dbdcbfd7e0ca28993ffbbb0"
@@ -9338,6 +9675,14 @@ postcss-modules-local-by-default@^3.0.3:
     postcss-selector-parser "^6.0.2"
     postcss-value-parser "^4.1.0"
 
+postcss-modules-scope@1.1.0:
+  version "1.1.0"
+  resolved "https://registry.yarnpkg.com/postcss-modules-scope/-/postcss-modules-scope-1.1.0.tgz#d6ea64994c79f97b62a72b426fbe6056a194bb90"
+  integrity sha1-1upkmUx5+XtipytCb75gVqGUu5A=
+  dependencies:
+    css-selector-tokenizer "^0.7.0"
+    postcss "^6.0.1"
+
 postcss-modules-scope@^2.2.0:
   version "2.2.0"
   resolved "https://registry.yarnpkg.com/postcss-modules-scope/-/postcss-modules-scope-2.2.0.tgz#385cae013cc7743f5a7d7602d1073a89eaae62ee"
@@ -9346,6 +9691,14 @@ postcss-modules-scope@^2.2.0:
     postcss "^7.0.6"
     postcss-selector-parser "^6.0.0"
 
+postcss-modules-values@1.3.0:
+  version "1.3.0"
+  resolved "https://registry.yarnpkg.com/postcss-modules-values/-/postcss-modules-values-1.3.0.tgz#ecffa9d7e192518389f42ad0e83f72aec456ea20"
+  integrity sha1-7P+p1+GSUYOJ9CrQ6D9yrsRW6iA=
+  dependencies:
+    icss-replace-symbols "^1.1.0"
+    postcss "^6.0.1"
+
 postcss-modules-values@^3.0.0:
   version "3.0.0"
   resolved "https://registry.yarnpkg.com/postcss-modules-values/-/postcss-modules-values-3.0.0.tgz#5b5000d6ebae29b4255301b4a3a54574423e7f10"
@@ -9354,6 +9707,17 @@ postcss-modules-values@^3.0.0:
     icss-utils "^4.0.0"
     postcss "^7.0.6"
 
+postcss-modules@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/postcss-modules/-/postcss-modules-2.0.0.tgz#473d0d7326651d8408585c2a154115d5cb36cce0"
+  integrity sha512-eqp+Bva+U2cwQO7dECJ8/V+X+uH1HduNeITB0CPPFAu6d/8LKQ32/j+p9rQ2YL1QytVcrNU0X+fBqgGmQIA1Rw==
+  dependencies:
+    css-modules-loader-core "^1.1.0"
+    generic-names "^2.0.1"
+    lodash.camelcase "^4.3.0"
+    postcss "^7.0.1"
+    string-hash "^1.1.1"
+
 postcss-nesting@^7.0.0:
   version "7.0.1"
   resolved "https://registry.yarnpkg.com/postcss-nesting/-/postcss-nesting-7.0.1.tgz#b50ad7b7f0173e5b5e3880c3501344703e04c052"
@@ -9651,6 +10015,15 @@ postcss-values-parser@^2.0.0, postcss-values-parser@^2.0.1:
     indexes-of "^1.0.1"
     uniq "^1.0.1"
 
+postcss@6.0.1:
+  version "6.0.1"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.1.tgz#000dbd1f8eef217aa368b9a212c5fc40b2a8f3f2"
+  integrity sha1-AA29H47vIXqjaLmiEsX8QLKo8/I=
+  dependencies:
+    chalk "^1.1.3"
+    source-map "^0.5.6"
+    supports-color "^3.2.3"
+
 postcss@7.0.21:
   version "7.0.21"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.21.tgz#06bb07824c19c2021c5d056d5b10c35b989f7e17"
@@ -9660,6 +10033,15 @@ postcss@7.0.21:
     source-map "^0.6.1"
     supports-color "^6.1.0"
 
+postcss@^6.0.1:
+  version "6.0.23"
+  resolved "https://registry.yarnpkg.com/postcss/-/postcss-6.0.23.tgz#61c82cc328ac60e677645f979054eb98bc0e3324"
+  integrity sha512-soOk1h6J3VMTZtVeVpv15/Hpdl2cBLX3CAw4TAbkpTJiNPk9YP/zWcD1ND+xEtvyuuvKzbxliTOIyvkSeSJ6ag==
+  dependencies:
+    chalk "^2.4.1"
+    source-map "^0.6.1"
+    supports-color "^5.4.0"
+
 postcss@^7, postcss@^7.0.0, postcss@^7.0.1, postcss@^7.0.14, postcss@^7.0.17, postcss@^7.0.2, postcss@^7.0.26, postcss@^7.0.27, postcss@^7.0.32, postcss@^7.0.5, postcss@^7.0.6:
   version "7.0.35"
   resolved "https://registry.yarnpkg.com/postcss/-/postcss-7.0.35.tgz#d2be00b998f7f211d8a276974079f2e92b970e24"
@@ -9775,6 +10157,11 @@ promise-inflight@^1.0.1:
   resolved "https://registry.yarnpkg.com/promise-inflight/-/promise-inflight-1.0.1.tgz#98472870bf228132fcbdd868129bad12c3c029e3"
   integrity sha1-mEcocL8igTL8vdhoEputEsPAKeM=
 
+promise.series@^0.2.0:
+  version "0.2.0"
+  resolved "https://registry.yarnpkg.com/promise.series/-/promise.series-0.2.0.tgz#2cc7ebe959fc3a6619c04ab4dbdc9e452d864bbd"
+  integrity sha1-LMfr6Vn8OmYZwEq029yeRS2GS70=
+
 promise@^8.1.0:
   version "8.1.0"
   resolved "https://registry.yarnpkg.com/promise/-/promise-8.1.0.tgz#697c25c3dfe7435dd79fcd58c38a135888eaf05e"
@@ -10463,7 +10850,7 @@ resolve@1.18.1:
     is-core-module "^2.0.0"
     path-parse "^1.0.6"
 
-resolve@^1.10.0, resolve@^1.12.0, resolve@^1.13.1, resolve@^1.14.2, resolve@^1.17.0, resolve@^1.18.1, resolve@^1.3.2, resolve@^1.8.1:
+resolve@^1.10.0, resolve@^1.12.0, resolve@^1.13.1, resolve@^1.14.2, resolve@^1.16.1, resolve@^1.17.0, resolve@^1.18.1, resolve@^1.3.2, resolve@^1.8.1:
   version "1.19.0"
   resolved "https://registry.yarnpkg.com/resolve/-/resolve-1.19.0.tgz#1af5bf630409734a067cae29318aac7fa29a267c"
   integrity sha512-rArEXAgsBG4UgRGcynxWIWKFvh/XZCcS8UJdHhwy91zwAvCZIbcs+vAbflgBnNjYMs/i/i+/Ux6IZhML1yPvxg==
@@ -10554,6 +10941,26 @@ rollup-plugin-babel@^4.3.3:
     "@babel/helper-module-imports" "^7.0.0"
     rollup-pluginutils "^2.8.1"
 
+rollup-plugin-postcss@^3.1.8:
+  version "3.1.8"
+  resolved "https://registry.yarnpkg.com/rollup-plugin-postcss/-/rollup-plugin-postcss-3.1.8.tgz#d1bcaf8eb0fcb0936e3684c22dd8628d13a82fd1"
+  integrity sha512-JHnGfW8quNc6ePxEkZ05HEZ1YiRxDgY9RKEetMfsrwxR2kh/d90OVScTc6b1c2Q17Cs/5TRYL+1uddG21lQe3w==
+  dependencies:
+    chalk "^4.0.0"
+    concat-with-sourcemaps "^1.1.0"
+    cssnano "^4.1.10"
+    import-cwd "^3.0.0"
+    p-queue "^6.3.0"
+    pify "^5.0.0"
+    postcss "^7.0.27"
+    postcss-load-config "^2.1.0"
+    postcss-modules "^2.0.0"
+    promise.series "^0.2.0"
+    resolve "^1.16.1"
+    rollup-pluginutils "^2.8.2"
+    safe-identifier "^0.4.1"
+    style-inject "^0.3.0"
+
 rollup-plugin-terser@^5.3.1:
   version "5.3.1"
   resolved "https://registry.yarnpkg.com/rollup-plugin-terser/-/rollup-plugin-terser-5.3.1.tgz#8c650062c22a8426c64268548957463bf981b413"
@@ -10572,14 +10979,12 @@ rollup-pluginutils@^2.8.1, rollup-pluginutils@^2.8.2:
   dependencies:
     estree-walker "^0.6.1"
 
-rollup@^1.31.1:
-  version "1.32.1"
-  resolved "https://registry.yarnpkg.com/rollup/-/rollup-1.32.1.tgz#4480e52d9d9e2ae4b46ba0d9ddeaf3163940f9c4"
-  integrity sha512-/2HA0Ec70TvQnXdzynFffkjA6XN+1e2pEv/uKS5Ulca40g2L7KuOE3riasHoNVHOsFD5KKZgDsMk1CP3Tw9s+A==
-  dependencies:
-    "@types/estree" "*"
-    "@types/node" "*"
-    acorn "^7.1.0"
+rollup@^1.31.1, rollup@^2.33.3:
+  version "2.33.3"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.33.3.tgz#ae72ce31f992b09a580072951bfea76e9df17342"
+  integrity sha512-RpayhPTe4Gu/uFGCmk7Gp5Z9Qic2VsqZ040G+KZZvsZYdcuWaJg678JeDJJvJeEQXminu24a2au+y92CUWVd+w==
+  optionalDependencies:
+    fsevents "~2.1.2"
 
 rsvp@^4.8.4:
   version "4.8.5"
@@ -10615,6 +11020,11 @@ safe-buffer@>=5.1.0, safe-buffer@^5.0.1, safe-buffer@^5.1.0, safe-buffer@^5.1.1,
   resolved "https://registry.yarnpkg.com/safe-buffer/-/safe-buffer-5.2.1.tgz#1eaf9fa9bdb1fdd4ec75f58f9cdb4e6b7827eec6"
   integrity sha512-rp3So07KcdmmKbGvgaNxQSJr7bGVSVk5S9Eq1F+ppbRo70+YeaDxkw5Dd8NPN+GD6bjnYm2VuPuCXmpuYvmCXQ==
 
+safe-identifier@^0.4.1:
+  version "0.4.2"
+  resolved "https://registry.yarnpkg.com/safe-identifier/-/safe-identifier-0.4.2.tgz#cf6bfca31c2897c588092d1750d30ef501d59fcb"
+  integrity sha512-6pNbSMW6OhAi9j+N8V+U715yBQsaWJ7eyEUaOrawX+isg5ZxhUlV1NipNtgaKHmFGiABwt+ZF04Ii+3Xjkg+8w==
+
 safe-regex@^1.1.0:
   version "1.1.0"
   resolved "https://registry.yarnpkg.com/safe-regex/-/safe-regex-1.1.0.tgz#40a3669f3b077d1e943d44629e157dd48023bf2e"
@@ -11279,6 +11689,11 @@ string-argv@0.3.1:
   resolved "https://registry.yarnpkg.com/string-argv/-/string-argv-0.3.1.tgz#95e2fbec0427ae19184935f816d74aaa4c5c19da"
   integrity sha512-a1uQGz7IyVy9YwhqjZIZu1c8JO8dNIe20xBmSS6qu9kv++k3JGzCVmprbNN5Kn+BgzD5E7YYwg1CcjuJMRNsvg==
 
+string-hash@^1.1.1:
+  version "1.1.3"
+  resolved "https://registry.yarnpkg.com/string-hash/-/string-hash-1.1.3.tgz#e8aafc0ac1855b4666929ed7dd1275df5d6c811b"
+  integrity sha1-6Kr8CsGFW0Zmkp7X3RJ1311sgRs=
+
 string-length@^4.0.1:
   version "4.0.1"
   resolved "https://registry.yarnpkg.com/string-length/-/string-length-4.0.1.tgz#4a973bf31ef77c4edbceadd6af2611996985f8a1"
@@ -11437,6 +11852,11 @@ strip-json-comments@^3.1.0, strip-json-comments@^3.1.1:
   resolved "https://registry.yarnpkg.com/strip-json-comments/-/strip-json-comments-3.1.1.tgz#31f1281b3832630434831c310c01cccda8cbe006"
   integrity sha512-6fPc+R4ihwqP6N/aIv2f1gMH8lOVtWQHoqC4yK6oSDVVocumAsfCqjkXnqiYMhmMwS/mEHLp7Vehlt3ql6lEig==
 
+style-inject@^0.3.0:
+  version "0.3.0"
+  resolved "https://registry.yarnpkg.com/style-inject/-/style-inject-0.3.0.tgz#d21c477affec91811cc82355832a700d22bf8dd3"
+  integrity sha512-IezA2qp+vcdlhJaVm5SOdPPTUu0FCEqfNSli2vRuSIBbu5Nq5UvygTk/VzeCqfLz2Atj3dVII5QBKGZRZ0edzw==
+
 style-loader@1.3.0:
   version "1.3.0"
   resolved "https://registry.yarnpkg.com/style-loader/-/style-loader-1.3.0.tgz#828b4a3b3b7e7aa5847ce7bae9e874512114249e"
@@ -11454,7 +11874,19 @@ stylehacks@^4.0.0:
     postcss "^7.0.0"
     postcss-selector-parser "^3.0.0"
 
-supports-color@^5.3.0:
+supports-color@^2.0.0:
+  version "2.0.0"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-2.0.0.tgz#535d045ce6b6363fa40117084629995e9df324c7"
+  integrity sha1-U10EXOa2Nj+kARcIRimZXp3zJMc=
+
+supports-color@^3.2.3:
+  version "3.2.3"
+  resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-3.2.3.tgz#65ac0504b3954171d8a64946b2ae3cbb8a5f54f6"
+  integrity sha1-ZawFBLOVQXHYpklGsq48u4pfVPY=
+  dependencies:
+    has-flag "^1.0.0"
+
+supports-color@^5.3.0, supports-color@^5.4.0:
   version "5.5.0"
   resolved "https://registry.yarnpkg.com/supports-color/-/supports-color-5.5.0.tgz#e2e69a44ac8772f78a1ec0b35b689df6530efc8f"
   integrity sha512-QjVjwdXIt408MIiAqCX4oUKsgU2EqAGzs2Ppkm4aQYbjm+ZEWEcW4SfFNTr4uMNZma0ey4f5lgLrkB0aX0QMow==
@@ -11548,7 +11980,7 @@ tar-stream@^2.1.4:
     inherits "^2.0.3"
     readable-stream "^3.1.1"
 
-tar@^6.0.2:
+tar@^6.0.2, tar@^6.0.5:
   version "6.0.5"
   resolved "https://registry.yarnpkg.com/tar/-/tar-6.0.5.tgz#bde815086e10b39f1dcd298e89d596e1535e200f"
   integrity sha512-0b4HOimQHj9nXNEAA7zWwMM91Zhhba3pspja6sQbgTpynOJf+bkjBnfybNYzbpLbnwXnbyB4LOREvlyXLkCHSg==