Add prebuilds

.travis.yml

@@ -1,4 +1,6 @@
 language: node_js
+install:
+  - npm install --build-from-source
 node_js:
   - '8'
   - '6'

Readme.md

@@ -27,10 +27,14 @@
 $ npm install canvas
 ```
 
-Unless previously installed you'll _need_ __Cairo__ and __Pango__. For system-specific installation view the [Wiki](https://github.com/Automattic/node-canvas/wiki/_pages).
+By default, binaries for macOS, Linux and Windows will be downloaded. If you want to build from source, use `npm install --build-from-source`.
 
 Currently the minimum version of node required is __4.0.0__
 
+### Compiling
+
+If you don't have a supported OS or processor architecture, or you use `--build-from-source`, the module will be compiled on your system. Unless previously installed you'll _need_ __Cairo__ and __Pango__. For system-specific installation view the [Wiki](https://github.com/Automattic/node-canvas/wiki/_pages).
+
 You can quickly install the dependencies by using the command for your OS:
 
 OS | Command

package.json

@@ -3,6 +3,7 @@
   "description": "Canvas graphics API backed by Cairo",
   "version": "2.0.0-alpha.5",
   "author": "TJ Holowaychuk <[email protected]>",
+  "main": "index.js",
   "browser": "browser.js",
   "contributors": [
     "Nathan Rajlich <[email protected]>",
@@ -27,9 +28,17 @@
     "pretest": "node-gyp build",
     "test": "standard examples/*.js test/server.js test/public/*.js benchmark/run.js util/has_lib.js browser.js index.js && mocha test/*.test.js",
     "pretest-server": "node-gyp build",
-    "test-server": "node test/server.js"
+    "test-server": "node test/server.js",
+    "install": "node-pre-gyp install"
+  },
+  "binary": {
+    "module_name": "canvas-prebuilt",
+    "module_path": "build/Release",
+    "host": "https://github.com/node-gfx/node-canvas-prebuilt/releases/download/",
+    "remote_path": "v{version}"
   },
   "dependencies": {
+    "node-pre-gyp": "^0.6.36",
     "nan": "^2.4.0"
   },
   "devDependencies": {