Sketch のプラグインをCocoaScriptを使って作る ref: http://qiita.com/matsuhisa_h/items/aee924bc2360a9180f83

file0.txt

~/Library/Containers/com.bohemiancoding.sketch3/Data/Library/Application Support/com.bohemiancoding.sketch3/Plugins/SketchTestPlugin1

file1.txt

├── SketchTestPlugin1.sketchplugin
│   └── Contents
│       └── Sketch
│           ├── between.cocoascript
│           ├── images.cocoascript
│           ├── manifest.json
│           ├── random_shop.cocoascript
│           ├── random_text.cocoascript
│           ├── random_tokyo.cocoascript
│           ├── revew_average.cocoascript
│           ├── revew_average_star.cocoascript
│           └── script.cocoascript
└── data
    ├── areas
    │   └── tokyo.js
    ├── names
    │   └── names.js
    ├── photo
    │   └── 1.jpg
    ├── reviews
    └── shops
        └── names.js

file2.txt

@import "library.cocoascript";
@import '../../../data/shops/names.js'

var onRun = function(context) {
  var selection = context.selection

  for (var i = 0, l = [selection count]; i < l; i++) {
    var layer = selection[i];
    layer.stringValue = data[Math.floor(Math.random() * data.length)];
  }

};

file3.txt

@import "library.cocoascript";

var onRun = function(context) {
  var documentName = context.document.displayName();
  var selection = context.selection
  var max = 4;
  var min = 1;

  for (var i = 0, l = [selection count]; i < l; i++) {
    var layer = selection[i];
    var avarage = ( Math.random() * max) ) + min;
    layer.stringValue = String(avarage.toFixed(2));
  }
};

file4.txt

@import "library.cocoascript";

var onRun = function(context) {
  var selection = context.selection
  for (var i = 0, l = [selection count]; i < l; i++) {
    var layer = selection[i];
    var color = MSColor.colorWithRed_green_blue_alpha(0.988, 0.29, 0.471, 1.0);

    layer.textColor = color;
    layer.stringValue = avarage_string();
  }
};

function avarage_string() {
  var max = 5;
  var min = 1;
  var avarage_string = "";
  var avarage = ( Math.random() * max) ) + min;
  var avarage_integer = Math.floor(avarage.toFixed(2));

  for(var i = min; i <= max; i++) {
    if( i <=  avarage_integer) {
      avarage_string = avarage_string + "★";
    }else {
      avarage_string = avarage_string + "☆";
    }
  }

  return avarage_string;
}

images.cocoascript

@import "library.cocoascript";

var onRun = function(context) {
  var selection = context.selection
  var data_path = 'data/photo/';
  var fileManager = [NSFileManager defaultManager];

  var script_path = context.scriptPath;
  var plugin_folder = script_path.match(/Plugins\/([\w -])*/)[0] + "/";
  var sketch_plugins_path = script_path.replace(/Plugins\/([\w -])*\/([\w -])*.sketchplugin(.*)/, "");
  var images_path =  sketch_plugins_path + plugin_folder + data_path;

  var imagesFileNames = [fileManager contentsOfDirectoryAtPath:images_path error:nil];
  var imageCount = [imagesFileNames count] - 1;

  var selected_paths = [];

  for(var i = 1; i < 100; i++){
    var index = Math.floor(Math.random() * imageCount);
    index = index >= imageCount ? 0 : index + 1;
    var file_name = imagesFileNames[index];
    var file_path = images_path + file_name;
    selected_paths.push(file_path);
  }

  for(var i = 0; i < [selection count]; i++){
    var layer = selection[i];
    log(selected_paths[i]);
    var image = [[NSImage alloc] initWithContentsOfFile:selected_paths[i]];

    if([layer class] == MSShapeGroup){
      var fill = layer.style().fills().firstObject();
      fill.setFillType(4);
      var coll = layer.style().fills().firstObject().documentData().images();
      [fill setPatternImage:image collection:coll]
      layer.style().fills().firstObject().setPatternFillType(1);
    }
  }
};