Chore: Update supported node version (#1392)

.travis.yml

@@ -1,22 +1,17 @@
 language: node_js
 node_js:
-- '12'
-dist: trusty
-sudo: false
+# Use 10.15.0 because xcode11 already has it installed, and xcode 11 is slow so
+# we do what we can to make it faster.
+- "10.15.0"
+dist: bionic
+osx_image: xcode11
 matrix:
   include:
   - os: osx
   - os: linux
-addons:
-  apt:
-    sources:
-    - ubuntu-toolchain-r-test
-    packages:
-    - gcc-5
-    - g++-5
 cache:
   directories:
-  - node_modules
+  - "$HOME/.npm"
   - "$HOME/.cache/electron"
   - "$HOME/.cache/electron-builder"
 env:
@@ -28,10 +23,7 @@ env:
   # encrypted GH_TOKEN:
   - secure: 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
 before_install:
-- if [ "$TRAVIS_OS_NAME" = "linux" ]; then export CC="gcc-5"; export CXX="g++-5";
-  export LINK="gcc-5"; export LINKXX="g++-5"; fi
-- |
-  if [ "$TRAVIS_OS_NAME" = "osx" ]; then
+- if [ "$TRAVIS_OS_NAME" = "osx" ]; then
     export CSC_IDENTITY_AUTO_DISCOVERY=false;
     export CSC_LINK=certs/osx.p12;
     openssl aes-256-cbc -K $encrypted_7777a4e0a460_key -iv $encrypted_7777a4e0a460_iv -in certs/osx.p12.enc -out $CSC_LINK -d;
@@ -43,9 +35,6 @@ before_install:
     security import $CSC_LINK -k $KEYCHAIN -P $CSC_KEY_PASSWORD -T /usr/bin/codesign;
     security set-key-partition-list -S "apple-tool:,apple:,codesign:" -s -k mysecretpassword $KEYCHAIN;
   fi
-- nvm --version
-- node --version
-- npm --version
 script:
 - if [ "$TRAVIS_OS_NAME" = "linux" ]; then npm run build-linux; fi
 - if [ "$TRAVIS_OS_NAME" = "osx" ]; then npm run build-mac; fi

README.md

@@ -20,8 +20,7 @@ Please open issues and pull requests for new features, questions, and bug fixes.
 
 Requirements:
 
-- `npm v6.9.0`
-- `node v12.8.0`
+- `node v10.15.0`
 
 To get started:
 

appveyor.yml

@@ -20,7 +20,7 @@ environment:
   GH_TOKEN:
     secure: S+Bnfbb+uco7s2X3jqmfP3vwxLIIZTmNmT0f8y982PaiUQB1AW8YNN7Acpi0JQOi
   matrix:
-    - nodejs_version: 12
+    - nodejs_version: 10.15.0
 
 install:
   - ps: $env:package_version = (Get-Content -Raw -Path package.json | ConvertFrom-Json).version 

package.json

@@ -255,7 +255,6 @@
     "dmg-builder": "^5.3.0"
   },
   "devEngines": {
-    "node": ">=12.8",
-    "npm": ">=6.9"
+    "node": "10.15.0"
   }
 }