WIP - add extractor, generate snippet_data

node_modules/cross-env/dist/command.js

@@ -0,0 +1,48 @@
+'use strict';
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+
+var _path = require('path');
+
+var _path2 = _interopRequireDefault(_path);
+
+var _isWindows = require('is-windows');
+
+var _isWindows2 = _interopRequireDefault(_isWindows);
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+exports.default = commandConvert;
+
+/**
+ * Converts an environment variable usage to be appropriate for the current OS
+ * @param {String} command Command to convert
+ * @param {Object} env Map of the current environment variable names and their values
+ * @param {boolean} normalize If the command should be normalized using `path`
+ * after converting
+ * @returns {String} Converted command
+ */
+
+function commandConvert(command, env) {
+  var normalize = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : false;
+
+  if (!(0, _isWindows2.default)()) {
+    return command;
+  }
+  var envUnixRegex = /\$(\w+)|\${(\w+)}/g; // $my_var or ${my_var}
+  var convertedCmd = command.replace(envUnixRegex, function (match, $1, $2) {
+    var varName = $1 || $2;
+    // In Windows, non-existent variables are not replaced by the shell,
+    // so for example "echo %FOO%" will literally print the string "%FOO%", as
+    // opposed to printing an empty string in UNIX. See kentcdodds/cross-env#145
+    // If the env variable isn't defined at runtime, just strip it from the command entirely
+    return env[varName] ? `%${varName}%` : '';
+  });
+  // Normalization is required for commands with relative paths
+  // For example, `./cmd.bat`. See kentcdodds/cross-env#127
+  // However, it should not be done for command arguments.
+  // See https://github.com/kentcdodds/cross-env/pull/130#issuecomment-319887970
+  return normalize === true ? _path2.default.normalize(convertedCmd) : convertedCmd;
+}