refactor: switch to NPM workspaces

The `lerna bootstrap` command is deprecated[1]
and resulted in a very weird CI failure (#685).

This commit switches the repository to instead use
NPM workspaces.[2]

[1]: lerna/lerna#3410
[2]: https://docs.npmjs.com/cli/v7/using-npm/workspaces

.circleci/config.yml

@@ -30,33 +30,6 @@ jobs:
       - restore_cache:
           keys:
             - v2-root-npm-{{ checksum "package-lock.json" }}
-      - restore_cache:
-          keys:
-            - v2-cli-npm-{{ checksum "packages/cli/package-lock.json" }}
-      - restore_cache:
-          keys:
-            - v2-playwright-npm-{{ checksum "packages/playwright/package-lock.json" }}
-      - restore_cache:
-          keys:
-            - v2-puppeteer-npm-{{ checksum "packages/puppeteer/package-lock.json" }}
-      - restore_cache:
-          keys:
-            - v2-webdriverjs-npm-{{ checksum "packages/webdriverjs/package-lock.json" }}
-      - restore_cache:
-          keys:
-            - v2-webdriverjs-npm-example-{{ checksum "packages/webdriverjs/tests/example/package-lock.json" }}
-      - restore_cache:
-          keys:
-            - v2-webdriverio-npm-{{ checksum "packages/webdriverio/package-lock.json" }}
-      - restore_cache:
-          keys:
-            - v2-reporter-earl-npm-{{ checksum "packages/reporter-earl/package-lock.json" }}
-      - restore_cache:
-          keys:
-            - v2-react-npm-{{ checksum "packages/react/package-lock.json" }}
-      - restore_cache:
-          keys:
-            - v2-axe-core-test-npm-{{ checksum "axe_core_test/package-lock.json" }}
       # Install and cache each package's dependencies.
       - run:
           name: Install top-level dependencies
@@ -65,42 +38,14 @@ jobs:
           key: v2-root-npm-{{ checksum "package-lock.json" }}
           paths:
             - node_modules
-      - run: npm run bootstrap -- --ci
-      - save_cache:
-          key: v2-cli-npm-{{ checksum "packages/cli/package-lock.json" }}
-          paths:
             - packages/cli/node_modules
-      - save_cache:
-          key: v2-playwright-npm-{{ checksum "packages/playwright/package-lock.json" }}
-          paths:
             - packages/playwright/node_modules
-      - save_cache:
-          key: v2-puppeteer-npm-{{ checksum "packages/puppeteer/package-lock.json" }}
-          paths:
             - packages/puppeteer/node_modules
-      - save_cache:
-          key: v2-webdriverjs-npm-{{ checksum "packages/webdriverjs/package-lock.json" }}
-          paths:
             - packages/webdriverjs/node_modules
-      - save_cache:
-          key: v2-webdriverjs-npm-example-{{ checksum "packages/webdriverjs/tests/example/package-lock.json" }}
-          paths:
             - packages/webdriverjs/tests/example/node_modules
-      - save_cache:
-          key: v2-webdriverio-npm-{{ checksum "packages/webdriverio/package-lock.json" }}
-          paths:
             - packages/webdriverio/node_modules
-      - save_cache:
-          key: v2-reporter-earl-npm-{{ checksum "packages/reporter-earl/package-lock.json" }}
-          paths:
             - packages/reporter-earl/node_modules
-      - save_cache:
-          key: v2-react-npm-{{ checksum "packages/react/package-lock.json" }}
-          paths:
             - packages/react/node_modules
-      - save_cache:
-          key: v2-axe-core-test-npm-{{ checksum "axe_core_test/package-lock.json" }}
-          paths:
             - axe_core_test/node_modules
       - save_cache:
           key: v3-npm-cache-{{ .Environment.CIRCLE_SHA1 }}
@@ -130,13 +75,9 @@ jobs:
     steps:
       - checkout
       - restore_dependency_cache
-      # Re-build packages, ensuring packages/webdriverjs/dist exists.
-      - run: npx lerna run prepare
       # required for browser-driver-manager
       - run: sudo apt-get update -y
       - run: cd packages/cli && npx [email protected] install chrome chromedriver --verbose
-      # lerna link after installing the latest version of chromedriver, as we depend on webdriverJS
-      - run: cd packages/cli && npx lerna link
       - run: npm run coverage --prefix=packages/cli
 
   puppeteer:
@@ -187,6 +128,7 @@ jobs:
       - restore_dependency_cache
       - browser-tools/install-chrome
       - browser-tools/install-chromedriver
+      - run: npm install -g npm@7
       - run:
           command: npm run coverage --prefix=packages/webdriverio
           environment:
@@ -216,10 +158,10 @@ jobs:
     steps:
       # We need to pin node@14 to run WDIO due to WDIO sync, only works on node@14
       - run: npm install -g node@14 --force
+      - run: npm install -g npm@7
       - checkout
       - restore_dependency_cache
-      - run: npm install
-      - run: npm run bootstrap -- --ci
+      - run: npm ci
       - run: npm run build --prefix=packages/playwright
       - run: npm run coverage --prefix=packages/playwright