build(travis): Try to remove canvas dep

Author: jourdain

.travis.yml

@@ -1,10 +1,12 @@
 language: node_js
 os: linux
+sudo: required
 dist: trusty
 group: travis_lts
 before_install:
   - sudo apt-get -qq update
   - sudo apt-get install -y libgif-dev
+  - npm install -g [email protected]
 before_script:
   - "export DISPLAY=:99.0"
   - "sh -e /etc/init.d/xvfb start"
@@ -27,7 +29,6 @@ cache:
     - Documentation/build-tmp
 
 script:
-  - npm install
   - npm run build:release
   - npm run validate
   - npm run test:travis

Utilities/config/rules-vtk.js

@@ -2,21 +2,39 @@ const autoprefixer = require('autoprefixer');
 
 module.exports = [
   { test: /\.glsl$/i, loader: 'shader-loader' },
-  { test: /\.js$/,
+  {
+    test: /\.js$/,
     use: [
-      { loader: 'babel-loader', options: { presets: ['env'] } },
+      {
+        loader: 'babel-loader',
+        options: {
+          presets: ['env'],
+          // presets: [['env', { targets: { browsers: 'last 2 versions' } }]],
+        },
+      },
     ],
   },
-  { test: /\.mcss$/,
+  {
+    test: /\.mcss$/,
     use: [
       { loader: 'style-loader' },
-      { loader: 'css-loader', options: { localIdentName: '[name]-[local]_[sha512:hash:base32:5]', modules: true } },
-      { loader: 'postcss-loader', options: { plugins: () => [autoprefixer('last 2 version', 'ie >= 10')] } },
+      {
+        loader: 'css-loader',
+        options: {
+          localIdentName: '[name]-[local]_[sha512:hash:base32:5]',
+          modules: true,
+        },
+      },
+      {
+        loader: 'postcss-loader',
+        options: {
+          plugins: () => [autoprefixer('last 2 version', 'ie >= 10')],
+        },
+      },
     ],
   },
-  { test: /\.svg$/,
-    use: [
-      { loader: 'raw-loader' },
-    ],
+  {
+    test: /\.svg$/,
+    use: [{ loader: 'raw-loader' }],
   },
 ];

package.json

@@ -33,7 +33,6 @@
         "kw-doc": "1.1.1",
         "kw-web-suite": "5.0.0",
         "resemblejs": "2.2.6",
-        "canvas": "1.6.9",
         "tap-markdown": "1.2.1",
         "tap-spec": "4.1.1",
         "tape": "4.8.0",