Initial commit

src/packagemanager/yarn/createPackageManager.js

@@ -0,0 +1,34 @@
+import { commandArgumentScanner } from "./dependencyScanner/commandArgumentScanner.js";
+import { runYarnCommand } from "./runYarnCommand.js";
+
+const scanner = commandArgumentScanner();
+
+export function createYarnPackageManager() {
+  return {
+    getWarningMessage: () => null,
+    runCommand: runYarnCommand,
+    isSupportedCommand: (args) =>
+      matchesCommand(args, "add") ||
+      matchesCommand(args, "global", "add") ||
+      matchesCommand(args, "install") ||
+      matchesCommand(args, "up") ||
+      matchesCommand(args, "upgrade") ||
+      matchesCommand(args, "global", "upgrade") ||
+      matchesCommand(args, "dlx"),
+    getDependencyUpdatesForCommand: (args) => scanner.scan(args),
+  };
+}
+
+function matchesCommand(args, ...commandArgs) {
+  if (args.length < commandArgs.length) {
+    return false;
+  }
+
+  for (var i = 0; i < commandArgs.length; i++) {
+    if (args[i].toLowerCase() !== commandArgs[i].toLowerCase()) {
+      return false;
+    }
+  }
+
+  return true;
+}