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node_modules/node-simctl/lib/subcommands/getenv.js

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+const commands = {};
+
+/**
+ * Retrieves the value of a Simulator environment variable
+ *
+ * @param {string} varName - The name of the variable to be retrieved
+ * @returns {?string} The value of the variable or null if the given variable
+ * is not present in the Simulator environment
+ * @throws {Error} If there was an error while running the command
+ * @throws {Error} If the `udid` instance property is unset
+ */
+commands.getEnv = async function getEnv (varName) {
+  const {stdout, stderr} = await this.exec('getenv', {
+    args: [this.requireUdid('getenv'), varName],
+    logErrors: false,
+  });
+  return stderr ? null : stdout;
+};
+
+export default commands;