done connecting coze and youwei

backend/node_modules/cross-env/dist/command.js

@@ -0,0 +1,39 @@
+import path from 'path';
+import { isWindows } from "./is-windows.js";
+/**
+ * Converts an environment variable usage to be appropriate for the current OS
+ * @param command Command to convert
+ * @param env Map of the current environment variable names and their values
+ * @param normalize If the command should be normalized using `path` after converting
+ * @returns Converted command
+ */
+export function commandConvert(command, env, normalize = false) {
+    if (!isWindows()) {
+        return command;
+    }
+    // Handle simple variables: $var or ${var}
+    const simpleEnvRegex = /\$(\w+)|\${(\w+)}/g;
+    // Handle bash parameter expansion with default values: ${var:-default}
+    const defaultValueRegex = /\$\{(\w+):-([^}]+)\}/g;
+    let convertedCmd = command;
+    // First, handle bash parameter expansion with default values
+    convertedCmd = convertedCmd.replace(defaultValueRegex, (match, varName, defaultValue) => {
+        // If the variable exists, use its value; otherwise use the default
+        const value = env[varName] || defaultValue;
+        return value;
+    });
+    // Then handle simple variable references
+    convertedCmd = convertedCmd.replace(simpleEnvRegex, (match, $1, $2) => {
+        const 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 ? path.normalize(convertedCmd) : convertedCmd;
+}