npub/lib/prep.js

// Generated by CoffeeScript 1.9.1
var SOURCE_FILES, debug, ensureLicense, fs, getExtension, getSourceFiles, glob, prepend, readFile,
  indexOf = [].indexOf || function(item) { for (var i = 0, l = this.length; i < l; i++) { if (i in this && this[i] === item) return i; } return -1; };

fs = require('fs');

glob = require('globber');

debug = require('debug')('license');

SOURCE_FILES = {
  'coffee': {
    startComment: '###',
    endComment: '###'
  },
  'js': {
    startComment: '/*',
    endComment: '*/'
  }
};

module.exports = function(directory, log, config) {
  var file, files, i, len, license, ref, results;
  if (config == null) {
    config = {};
  }
  license = readFile(directory + "/LICENSE");
  debug("has license: " + license);
  if (license == null) {
    return;
  }
  files = getSourceFiles(directory, (ref = config.license) != null ? ref.exclude : void 0);
  debug("files: " + files);
  results = [];
  for (i = 0, len = files.length; i < len; i++) {
    file = files[i];
    results.push(ensureLicense(file, license, log));
  }
  return results;
};

readFile = function(filePath) {
  var buffer;
  if (fs.existsSync(filePath)) {
    buffer = fs.readFileSync(filePath);
    return buffer.toString();
  }
};

getExtension = function(path) {
  return path.split('.').pop();
};

getSourceFiles = function(directory, exclude) {
  var files, options;
  if (exclude == null) {
    exclude = [];
  }
  options = {
    exclude: ['node_modules'].concat(exclude),
    recursive: true,
    includeDirectories: false
  };
  files = glob.sync(directory, options);
  files = files.map(function(file) {
    return {
      path: file,
      ext: getExtension(file)
    };
  });
  return files.filter(function(file) {
    var ref;
    return ref = file.ext, indexOf.call(Object.keys(SOURCE_FILES), ref) >= 0;
  });
};

ensureLicense = function(file, license, log) {
  var endComment, newline, ref, startComment;
  file.content = readFile(file.path);
  newline = '\n';
  ref = SOURCE_FILES[file.ext], startComment = ref.startComment, endComment = ref.endComment;
  license = startComment + newline + license + endComment + newline + newline;
  if (file.content.indexOf(license) !== 0) {
    log(file.path + ": adding license");
    return prepend(file, license);
  }
};

prepend = function(file, license) {
  var newFile, tempFilePath;
  newFile = license + file.content;
  tempFilePath = file.path + "_tmp";
  fs.writeFileSync(tempFilePath, newFile);
  return fs.renameSync(tempFilePath, file.path);
};