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mc_test/node_modules/archiver-utils/file.js

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+/**
+ * archiver-utils
+ *
+ * Copyright (c) 2012-2014 Chris Talkington, contributors.
+ * Licensed under the MIT license.
+ * https://github.com/archiverjs/node-archiver/blob/master/LICENSE-MIT
+ */
+var fs = require('graceful-fs');
+var path = require('path');
+
+var flatten = require('lodash.flatten');
+var difference = require('lodash.difference');
+var union = require('lodash.union');
+var isPlainObject = require('lodash.isplainobject');
+
+var glob = require('glob');
+
+var file = module.exports = {};
+
+var pathSeparatorRe = /[\/\\]/g;
+
+// Process specified wildcard glob patterns or filenames against a
+// callback, excluding and uniquing files in the result set.
+var processPatterns = function(patterns, fn) {
+  // Filepaths to return.
+  var result = [];
+  // Iterate over flattened patterns array.
+  flatten(patterns).forEach(function(pattern) {
+    // If the first character is ! it should be omitted
+    var exclusion = pattern.indexOf('!') === 0;
+    // If the pattern is an exclusion, remove the !
+    if (exclusion) { pattern = pattern.slice(1); }
+    // Find all matching files for this pattern.
+    var matches = fn(pattern);
+    if (exclusion) {
+      // If an exclusion, remove matching files.
+      result = difference(result, matches);
+    } else {
+      // Otherwise add matching files.
+      result = union(result, matches);
+    }
+  });
+  return result;
+};
+
+// True if the file path exists.
+file.exists = function() {
+  var filepath = path.join.apply(path, arguments);
+  return fs.existsSync(filepath);
+};
+
+// Return an array of all file paths that match the given wildcard patterns.
+file.expand = function(...args) {
+  // If the first argument is an options object, save those options to pass
+  // into the File.prototype.glob.sync method.
+  var options = isPlainObject(args[0]) ? args.shift() : {};
+  // Use the first argument if it's an Array, otherwise convert the arguments
+  // object to an array and use that.
+  var patterns = Array.isArray(args[0]) ? args[0] : args;
+  // Return empty set if there are no patterns or filepaths.
+  if (patterns.length === 0) { return []; }
+  // Return all matching filepaths.
+  var matches = processPatterns(patterns, function(pattern) {
+    // Find all matching files for this pattern.
+    return glob.sync(pattern, options);
+  });
+  // Filter result set?
+  if (options.filter) {
+    matches = matches.filter(function(filepath) {
+      filepath = path.join(options.cwd || '', filepath);
+      try {
+        if (typeof options.filter === 'function') {
+          return options.filter(filepath);
+        } else {
+          // If the file is of the right type and exists, this should work.
+          return fs.statSync(filepath)[options.filter]();
+        }
+      } catch(e) {
+        // Otherwise, it's probably not the right type.
+        return false;
+      }
+    });
+  }
+  return matches;
+};
+
+// Build a multi task "files" object dynamically.
+file.expandMapping = function(patterns, destBase, options) {
+  options = Object.assign({
+    rename: function(destBase, destPath) {
+      return path.join(destBase || '', destPath);
+    }
+  }, options);
+  var files = [];
+  var fileByDest = {};
+  // Find all files matching pattern, using passed-in options.
+  file.expand(options, patterns).forEach(function(src) {
+    var destPath = src;
+    // Flatten?
+    if (options.flatten) {
+      destPath = path.basename(destPath);
+    }
+    // Change the extension?
+    if (options.ext) {
+      destPath = destPath.replace(/(\.[^\/]*)?$/, options.ext);
+    }
+    // Generate destination filename.
+    var dest = options.rename(destBase, destPath, options);
+    // Prepend cwd to src path if necessary.
+    if (options.cwd) { src = path.join(options.cwd, src); }
+    // Normalize filepaths to be unix-style.
+    dest = dest.replace(pathSeparatorRe, '/');
+    src = src.replace(pathSeparatorRe, '/');
+    // Map correct src path to dest path.
+    if (fileByDest[dest]) {
+      // If dest already exists, push this src onto that dest's src array.
+      fileByDest[dest].src.push(src);
+    } else {
+      // Otherwise create a new src-dest file mapping object.
+      files.push({
+        src: [src],
+        dest: dest,
+      });
+      // And store a reference for later use.
+      fileByDest[dest] = files[files.length - 1];
+    }
+  });
+  return files;
+};
+
+// reusing bits of grunt's multi-task source normalization
+file.normalizeFilesArray = function(data) {
+  var files = [];
+
+  data.forEach(function(obj) {
+    var prop;
+    if ('src' in obj || 'dest' in obj) {
+      files.push(obj);
+    }
+  });
+
+  if (files.length === 0) {
+    return [];
+  }
+
+  files = _(files).chain().forEach(function(obj) {
+    if (!('src' in obj) || !obj.src) { return; }
+    // Normalize .src properties to flattened array.
+    if (Array.isArray(obj.src)) {
+      obj.src = flatten(obj.src);
+    } else {
+      obj.src = [obj.src];
+    }
+  }).map(function(obj) {
+    // Build options object, removing unwanted properties.
+    var expandOptions = Object.assign({}, obj);
+    delete expandOptions.src;
+    delete expandOptions.dest;
+
+    // Expand file mappings.
+    if (obj.expand) {
+      return file.expandMapping(obj.src, obj.dest, expandOptions).map(function(mapObj) {
+        // Copy obj properties to result.
+        var result = Object.assign({}, obj);
+        // Make a clone of the orig obj available.
+        result.orig = Object.assign({}, obj);
+        // Set .src and .dest, processing both as templates.
+        result.src = mapObj.src;
+        result.dest = mapObj.dest;
+        // Remove unwanted properties.
+        ['expand', 'cwd', 'flatten', 'rename', 'ext'].forEach(function(prop) {
+          delete result[prop];
+        });
+        return result;
+      });
+    }
+
+    // Copy obj properties to result, adding an .orig property.
+    var result = Object.assign({}, obj);
+    // Make a clone of the orig obj available.
+    result.orig = Object.assign({}, obj);
+
+    if ('src' in result) {
+      // Expose an expand-on-demand getter method as .src.
+      Object.defineProperty(result, 'src', {
+        enumerable: true,
+        get: function fn() {
+          var src;
+          if (!('result' in fn)) {
+            src = obj.src;
+            // If src is an array, flatten it. Otherwise, make it into an array.
+            src = Array.isArray(src) ? flatten(src) : [src];
+            // Expand src files, memoizing result.
+            fn.result = file.expand(expandOptions, src);
+          }
+          return fn.result;
+        }
+      });
+    }
+
+    if ('dest' in result) {
+      result.dest = obj.dest;
+    }
+
+    return result;
+  }).flatten().value();
+
+  return files;
+};