Initial Import

node_modules/shelljs/src/ls.js

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+var path = require('path');
+var fs = require('fs');
+var common = require('./common');
+var _cd = require('./cd');
+var _pwd = require('./pwd');
+
+//@
+//@ ### ls([options ,] path [,path ...])
+//@ ### ls([options ,] path_array)
+//@ Available options:
+//@
+//@ + `-R`: recursive
+//@ + `-A`: all files (include files beginning with `.`, except for `.` and `..`)
+//@
+//@ Examples:
+//@
+//@ ```javascript
+//@ ls('projs/*.js');
+//@ ls('-R', '/users/me', '/tmp');
+//@ ls('-R', ['/users/me', '/tmp']); // same as above
+//@ ```
+//@
+//@ Returns array of files in the given path, or in current directory if no path provided.
+function _ls(options, paths) {
+  options = common.parseOptions(options, {
+    'R': 'recursive',
+    'A': 'all',
+    'a': 'all_deprecated'
+  });
+
+  if (options.all_deprecated) {
+    // We won't support the -a option as it's hard to image why it's useful
+    // (it includes '.' and '..' in addition to '.*' files)
+    // For backwards compatibility we'll dump a deprecated message and proceed as before
+    common.log('ls: Option -a is deprecated. Use -A instead');
+    options.all = true;
+  }
+
+  if (!paths)
+    paths = ['.'];
+  else if (typeof paths === 'object')
+    paths = paths; // assume array
+  else if (typeof paths === 'string')
+    paths = [].slice.call(arguments, 1);
+
+  var list = [];
+
+  // Conditionally pushes file to list - returns true if pushed, false otherwise
+  // (e.g. prevents hidden files to be included unless explicitly told so)
+  function pushFile(file, query) {
+    // hidden file?
+    if (path.basename(file)[0] === '.') {
+      // not explicitly asking for hidden files?
+      if (!options.all && !(path.basename(query)[0] === '.' && path.basename(query).length > 1))
+        return false;
+    }
+
+    if (common.platform === 'win')
+      file = file.replace(/\\/g, '/');
+
+    list.push(file);
+    return true;
+  }
+
+  paths.forEach(function(p) {
+    if (fs.existsSync(p)) {
+      var stats = fs.statSync(p);
+      // Simple file?
+      if (stats.isFile()) {
+        pushFile(p, p);
+        return; // continue
+      }
+
+      // Simple dir?
+      if (stats.isDirectory()) {
+        // Iterate over p contents
+        fs.readdirSync(p).forEach(function(file) {
+          if (!pushFile(file, p))
+            return;
+
+          // Recursive?
+          if (options.recursive) {
+            var oldDir = _pwd();
+            _cd('', p);
+            if (fs.statSync(file).isDirectory())
+              list = list.concat(_ls('-R'+(options.all?'A':''), file+'/*'));
+            _cd('', oldDir);
+          }
+        });
+        return; // continue
+      }
+    }
+
+    // p does not exist - possible wildcard present
+
+    var basename = path.basename(p);
+    var dirname = path.dirname(p);
+    // Wildcard present on an existing dir? (e.g. '/tmp/*.js')
+    if (basename.search(/\*/) > -1 && fs.existsSync(dirname) && fs.statSync(dirname).isDirectory) {
+      // Escape special regular expression chars
+      var regexp = basename.replace(/(\^|\$|\(|\)|<|>|\[|\]|\{|\}|\.|\+|\?)/g, '\\$1');
+      // Translates wildcard into regex
+      regexp = '^' + regexp.replace(/\*/g, '.*') + '$';
+      // Iterate over directory contents
+      fs.readdirSync(dirname).forEach(function(file) {
+        if (file.match(new RegExp(regexp))) {
+          if (!pushFile(path.normalize(dirname+'/'+file), basename))
+            return;
+
+          // Recursive?
+          if (options.recursive) {
+            var pp = dirname + '/' + file;
+            if (fs.lstatSync(pp).isDirectory())
+              list = list.concat(_ls('-R'+(options.all?'A':''), pp+'/*'));
+          } // recursive
+        } // if file matches
+      }); // forEach
+      return;
+    }
+
+    common.error('no such file or directory: ' + p, true);
+  });
+
+  return list;
+}
+module.exports = _ls;