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Diffstat (limited to 'node_modules/archiver-utils/file.js')
-rw-r--r-- | node_modules/archiver-utils/file.js | 206 |
1 files changed, 206 insertions, 0 deletions
diff --git a/node_modules/archiver-utils/file.js b/node_modules/archiver-utils/file.js new file mode 100644 index 000000000..6218f687b --- /dev/null +++ b/node_modules/archiver-utils/file.js @@ -0,0 +1,206 @@ +/**
+ * 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 _ = require('lodash');
+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() {
+ var args = _.toArray(arguments);
+ // 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 = _.defaults({}, options, {
+ rename: function(destBase, destPath) {
+ return path.join(destBase || '', destPath);
+ }
+ });
+ 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 = _.extend({}, 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 = _.extend({}, obj);
+ // Make a clone of the orig obj available.
+ result.orig = _.extend({}, 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 = _.extend({}, obj);
+ // Make a clone of the orig obj available.
+ result.orig = _.extend({}, 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;
+};
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