Merge pull request #33

* 🏗️ Add system dependency management script

* 🏗️ Add preinstall script

package.json

@@ -6,6 +6,7 @@
   "private": true,
   "license": "Apache 2.0",
   "scripts": {
+    "preinstall": "./scripts/install-system-dependencies.sh",
     "prebuild": "rimraf dist",
     "build": "npm run build:canvas && nest build",
     "build:canvas": "cd node_modules/canvas && npm run install && cd ../..",

scripts/install-system-dependencies.sh

@@ -0,0 +1,40 @@
+#!/bin/bash
+
+function green(){
+    echo -e "\x1B[32m $1 \x1B[0m"
+    if [ ! -z "${2}" ]; then
+    echo -e "\x1B[32m $($2) \x1B[0m"
+    fi
+}
+function install-on-mac-os-x() {
+  green 'OS X detected'
+  green 'Installing system dependent packages'
+
+  brew install pkg-config cairo pango libpng jpeg giflib librsvg pixman
+}
+
+# This method uses apt-get as package manager, might not work on Fedora
+function install-on-linux {
+  green 'Linux distribution detected'
+  green 'Installing system dependent packages (using apt-get)'
+
+  sudo apt-get install build-essential libcairo2-dev libpango1.0-dev libjpeg-dev libgif-dev librsvg2-dev
+}
+
+function main() {
+    case "$OSTYPE" in
+      darwin*)
+        install-on-mac-os-x;;
+      linux*) install-on-linux;;
+      msys|cygwin)
+        green 'Windows detected'
+        green 'No system dependent packages needed'
+        green 'Installing node dependencies'
+        return;;
+    esac
+
+    echo System dependent packages installed
+    echo Installing node dependencies
+}
+
+main