chore: drop Node.js v8 support

.appveyor.yml

@@ -1,7 +1,7 @@
 environment:
   matrix:
-    - nodejs_version: "8.16.0"
-      FLAKINESS_DASHBOARD_NAME: Appveyor Chromium (Win + node8)
+    - nodejs_version: "10.18.1"
+      FLAKINESS_DASHBOARD_NAME: Appveyor Chromium (Win + node10)
   FLAKINESS_DASHBOARD_PASSWORD:
     secure: g66jP+j6C+hkXLutBV9fdxB5fRJgcQQzy93SgQzXUmcCl/RjkJwnzyHvX0xfCVnv
 
@@ -11,7 +11,7 @@ install:
   - ps: $env:FLAKINESS_DASHBOARD_BUILD_URL="https://ci.appveyor.com/project/aslushnikov/puppeteer/builds/$env:APPVEYOR_BUILD_ID/job/$env:APPVEYOR_JOB_ID"
   - ps: Install-Product node $env:nodejs_version
   - npm install
-  - if "%nodejs_version%" == "8.16.0" (
+  - if "%nodejs_version%" == "10.18.1" (
       npm run lint &&
       npm run coverage  &&
       npm run test-doclint &&

.cirrus.yml

@@ -6,9 +6,6 @@ env:
 
 task:
   matrix:
-    - name: Chromium (node8 + linux)
-      container:
-        dockerfile: .ci/node8/Dockerfile.linux
     - name: Chromium (node10 + linux)
       container:
         dockerfile: .ci/node10/Dockerfile.linux
@@ -25,12 +22,12 @@ task:
 task:
   osx_instance:
     image: high-sierra-base
-  name: Chromium (node8 + macOS)
+  name: Chromium (node10 + macOS)
   env:
     HOMEBREW_NO_AUTO_UPDATE: 1
   node_install_script:
-    - brew install node@8
-    - brew link --force node@8
+    - brew install node@10
+    - brew link --force node@10
   install_script: npm install --unsafe-perm
   lint_script: npm run lint
   coverage_script: npm run coverage

.travis.yml

@@ -19,24 +19,24 @@ before_install:
   - 'if [ "$FIREFOX" = "true" ]; then rm -rf $FIREFOX_HOME; mozdownload -t daily -d $FIREFOX_HOME/latest.tar.bz --log-level DEBUG; fi'
   - 'if [ "$FIREFOX" = "true" ]; then cd $FIREFOX_HOME; tar -xvf latest.tar.bz; cd -; ls $FIREFOX_HOME/firefox/firefox; fi'
 script:
-  - 'if [ "$NODE8" = "true" ]; then npm run lint; fi'
-  - 'if [ "$NODE8" = "true" ]; then npm run coverage; fi'
+  - 'if [ "$NODE10" = "true" ]; then npm run lint; fi'
+  - 'if [ "$NODE10" = "true" ]; then npm run coverage; fi'
   - 'if [ "$FIREFOX" = "true" ]; then BINARY=$FIREFOX_HOME/firefox/firefox npm run funit; fi'
-  - 'if [ "$NODE8" = "true" ]; then npm run test-doclint; fi'
-  - 'if [ "$NODE8" = "true" ]; then npm run test-types; fi'
-  - 'if [ "$NODE8" = "true" ]; then npm run bundle; fi'
-  - 'if [ "$NODE8" = "true" ]; then npm run unit-bundle; fi'
+  - 'if [ "$NODE10" = "true" ]; then npm run test-doclint; fi'
+  - 'if [ "$NODE10" = "true" ]; then npm run test-types; fi'
+  - 'if [ "$NODE10" = "true" ]; then npm run bundle; fi'
+  - 'if [ "$NODE10" = "true" ]; then npm run unit-bundle; fi'
 jobs:
   include:
-    - node_js: "8.16.0"
+    - node_js: "10.18.1"
       env:
-        - NODE8=true
-        - FLAKINESS_DASHBOARD_NAME="Travis Chromium (node8 + linux)"
+        - NODE10=true
+        - FLAKINESS_DASHBOARD_NAME="Travis Chromium (node10 + linux)"
         - FLAKINESS_DASHBOARD_BUILD_URL="${TRAVIS_JOB_WEB_URL}"
-    - node_js: "8.16.0"
+    - node_js: "10.18.1"
       env:
         - FIREFOX=true
-        - FLAKINESS_DASHBOARD_NAME="Travis Firefox Nightly (node8 + linux)"
+        - FLAKINESS_DASHBOARD_NAME="Travis Firefox Nightly (node10 + linux)"
         - FLAKINESS_DASHBOARD_BUILD_URL="${TRAVIS_JOB_WEB_URL}"
         - FIREFOX_HOME=$TRAVIS_HOME/firefox-latest
 before_deploy: "npm run apply-next-version"
@@ -47,6 +47,6 @@ deploy:
     secure: Ng8o2KwJf90XCBNgUKK3jRZnwtdBSJatjYNmZBERJEqBWFTadFAp1NdhxZaqjnuG8aFYaH5bRJdL+EQBYUksVCbrv/gcaXeEFkwsfPfVX1QXGqu7NnZmtme2hbxppLQ7dEJ8hz2Z9K4vehqVOxmLabxvoupOumxEQMLCphVHh2FOmsm/S5JrRZqZ4V9k76eIc0/PiyfXNMdx5WTZjHbIRDIHRy9nqOXjFp2Rx3PMa3uU2fS8mTshYEYs151TA6e6VdHjqmBwEQC/M5tXbDlLCMNUr4JBtLTcL4OipNYjzkwD1N2xYlbSRqtvqqF4ifdvFhoI65a31GinlMC7Z/SH1Zy+d+/z3Mo7D63eYcsJVnsg9OYxTFy2piUntr0JqTBHtQoe/CvGxJmkcVt+H6YSkcBibSG9s9tG3qpAD5wBCFqqOYnfClX+YZziEd+Hngd9inxAf87qdvgVIZ5tPD2dygtE+te2/qoEHtvccv/HuS8MxNj5iKwlP7JaBPM6uAkazYqZP2R99I2ph9gNOEVuQLtk+3+OIdb8HWrEKUrJBgKhdKY1dvcKYElI+D8NRlyzrr6BnZfudACuAt2EtfKpfJ3mL+iRMFdBJ3ntLt93xBrB+j4z3pD0iWZcg1g3I742PFzQEHzyd/DDTP1yRTUoJeQWwoQRJyNO1m6Qk4wx77c=
   on:
     branch: master
-    condition: "$NODE8 = true"
+    condition: "$NODE10 = true"
   skip_cleanup: true
   tag: next

README.md

@@ -59,8 +59,8 @@ See [puppeteer vs puppeteer-core](https://github.com/puppeteer/puppeteer/blob/ma
 
 Puppeteer follows the latest [maintenance LTS](https://github.com/nodejs/Release#release-schedule) version of Node.
 
-Note: Prior to v1.18.1, Puppeteer required at least Node v6.4.0. All subsequent versions rely on
-Node 8.9.0+. All examples below use async/await which is only supported in Node v7.6.0 or greater.
+Note: Prior to v1.18.1, Puppeteer required at least Node v6.4.0. Versions from v1.18.1 to v2.1.0 rely on
+Node 8.9.0+. Starting from v3.0.0 Puppeteer starts to rely on Node 10.18.1+. All examples below use async/await which is only supported in Node v7.6.0 or greater.
 
 Puppeteer will be familiar to people using other browser testing frameworks. You create an instance
 of `Browser`, open pages, and then manipulate them with [Puppeteer's API](https://github.com/puppeteer/puppeteer/blob/v2.1.1/docs/api.md#).

docs/troubleshooting.md

@@ -249,7 +249,7 @@ Running Puppeteer smoothly on CircleCI requires the following steps:
 
 ## Running Puppeteer in Docker
 
-> 👋 We use [Cirrus Ci](https://cirrus-ci.org/) to run our tests for Puppeteer in a Docker container - see our [`Dockerfile.linux`](https://github.com/puppeteer/puppeteer/blob/master/.ci/node8/Dockerfile.linux) for reference.
+> 👋 We use [Cirrus Ci](https://cirrus-ci.org/) to run our tests for Puppeteer in a Docker container - see our [`Dockerfile.linux`](https://github.com/puppeteer/puppeteer/blob/master/.ci/node10/Dockerfile.linux) for reference.
 
 Getting headless Chrome up and running in Docker can be tricky.
 The bundled Chromium that Puppeteer installs is missing the necessary
@@ -398,9 +398,9 @@ To use `puppeteer`, simply list the module as a dependency in your `package.json
 
 ### Running Puppeteer on Google Cloud Functions
 
-The Node.js 8 runtime of [Google Cloud Functions](https://cloud.google.com/functions/docs/) comes with all system packages needed to run Headless Chrome.
+The Node.js 10 runtime of [Google Cloud Functions](https://cloud.google.com/functions/docs/) comes with all system packages needed to run Headless Chrome.
 
-To use `puppeteer`, simply list the module as a dependency in your `package.json` and deploy your function to Google Cloud Functions using the `nodejs8` runtime.
+To use `puppeteer`, simply list the module as a dependency in your `package.json` and deploy your function to Google Cloud Functions using the `nodejs10` runtime.
 
 ### Running Puppeteer on Heroku
 

.ci/node8/Dockerfile.linux → experimental/puppeteer-firefox/.ci/node10/Dockerfile.linux

@@ -1,4 +1,4 @@
-FROM node:8.11.3
+FROM node:10.18.1-stretch
 
 RUN apt-get update && \
     apt-get -y install xvfb gconf-service libasound2 libatk1.0-0 libc6 libcairo2 libcups2 \

experimental/puppeteer-firefox/.ci/node8/Dockerfile.windows → experimental/puppeteer-firefox/.ci/node10/Dockerfile.windows

@@ -1,6 +1,6 @@
 FROM microsoft/windowsservercore:latest
 
-ENV NODE_VERSION 8.11.3
+ENV NODE_VERSION 10.18.1
 
 RUN setx /m PATH "%PATH%;C:\nodejs"
 

experimental/puppeteer-firefox/.cirrus.yml

@@ -2,30 +2,30 @@ env:
   DISPLAY: :99.0
 
 task:
-  name: node8 (linux)
+  name: node10 (linux)
   container:
-    dockerfile: .ci/node8/Dockerfile.linux
+    dockerfile: .ci/node10/Dockerfile.linux
   xvfb_start_background_script: Xvfb :99 -ac -screen 0 1024x768x24
   install_script: npm install
   test_script: npm run fjunit
 
 task:
-  name: node8 (macOS)
+  name: node10 (macOS)
   osx_instance:
     image: high-sierra-base
   env:
     HOMEBREW_NO_AUTO_UPDATE: 1
   node_install_script:
-    - brew install node@8
-    - brew link --force node@8
+    - brew install node@10
+    - brew link --force node@10
   install_script: npm install
   test_script: npm run fjunit
 
 # task:
 #   allow_failures: true
 #  windows_container:
-#    dockerfile: .ci/node8/Dockerfile.windows
+#    dockerfile: .ci/node10/Dockerfile.windows
 #    os_version: 2016
-#  name: node8 (windows)
+#  name: node10 (windows)
 #  install_script: npm install --unsafe-perm
 #  test_script: npm run fjunit

experimental/puppeteer-firefox/package.json

@@ -6,7 +6,7 @@
   "repository": "github:puppeteer/puppeteer",
   "homepage": "https://github.com/puppeteer/puppeteer/tree/master/experimental/puppeteer-firefox",
   "engines": {
-    "node": ">=8.9.4"
+    "node": ">=10.18.1"
   },
   "puppeteer": {
     "firefox_revision": "v0.0.1"

lib/Launcher.js

@@ -168,7 +168,9 @@ class BrowserRunner {
       const transport = await WebSocketTransport.create(browserWSEndpoint);
       this.connection = new Connection(browserWSEndpoint, transport, slowMo);
     } else {
-      const transport = new PipeTransport(/** @type {!NodeJS.WritableStream} */(this.proc.stdio[3]), /** @type {!NodeJS.ReadableStream} */ (this.proc.stdio[4]));
+      // stdio was assigned during start(), and the 'pipe' option there adds the 4th and 5th items to stdio array
+      const { 3: pipeWrite, 4: pipeRead } = /** @type {!Array<any>} */ (this.proc.stdio);
+      const transport = new PipeTransport(/** @type {!NodeJS.WritableStream} */ pipeWrite, /** @type {!NodeJS.ReadableStream} */ pipeRead);
       this.connection = new Connection('', transport, slowMo);
     }
     return this.connection;

package.json

@@ -5,7 +5,7 @@
   "main": "index.js",
   "repository": "github:puppeteer/puppeteer",
   "engines": {
-    "node": ">=8.16.0"
+    "node": ">=10.18.1"
   },
   "puppeteer": {
     "chromium_revision": "722234"
@@ -23,7 +23,7 @@
     "tsc": "tsc -p .",
     "apply-next-version": "node utils/apply_next_version.js",
     "bundle": "npx browserify -r ./index.js:puppeteer -o utils/browser/puppeteer-web.js",
-    "test-types": "node utils/doclint/generate_types && npx -p typescript@2.1 tsc -p utils/doclint/generate_types/test/",
+    "test-types": "node utils/doclint/generate_types && npx -p typescript@3.2 tsc -p utils/doclint/generate_types/test/",
     "unit-bundle": "node utils/browser/test.js"
   },
   "author": "The Chromium Authors",
@@ -44,7 +44,7 @@
     "@types/debug": "0.0.31",
     "@types/extract-zip": "^1.6.2",
     "@types/mime": "^2.0.0",
-    "@types/node": "^8.10.34",
+    "@types/node": "^10.17.14",
     "@types/rimraf": "^2.0.2",
     "@types/ws": "^6.0.1",
     "commonmark": "^0.28.1",