feat(cli): add sysinfo command to obtain actual version (#1413)

.changeset/silver-years-melt.md

@@ -0,0 +1,7 @@
+---
+"@langchain/langgraph-cli": patch
+"@langchain/langgraph-api": patch
+"@langchain/langgraph-ui": patch
+---
+
+feat(cli): add sysinfo command to obtain actual version

libs/langgraph-cli/package.json

@@ -43,6 +43,7 @@
     "extract-zip": "^2.0.1",
     "langsmith": "^0.3.33",
     "open": "^10.1.0",
+    "package-manager-detector": "^1.3.0",
     "stacktrace-parser": "^0.1.10",
     "tar": "^7.4.3",
     "winston": "^3.17.0",

libs/langgraph-cli/src/cli/cli.mts

@@ -7,6 +7,7 @@ import "./dev.mjs";
 import "./docker.mjs";
 import "./build.mjs";
 import "./up.mjs";
+import "./sysinfo.mjs";
 
 builder.exitOverride((error) => gracefulExit(error.exitCode));
 asyncExitHook(() => flushAnalytics(), { wait: 2000 });

libs/langgraph-cli/src/cli/sysinfo.mts

@@ -0,0 +1,86 @@
+import { builder } from "./utils/builder.mjs";
+import { detect } from "package-manager-detector";
+import { $ } from "execa";
+
+builder
+  .command("sysinfo")
+  .description("Print system information")
+  .action(async () => {
+    const manager = await detect();
+    if (!manager) throw new Error("No package manager detected");
+
+    console.log("Node version:", process.version);
+    console.log("Operating system:", process.platform, process.arch);
+    console.log("Package manager:", manager.name);
+    console.log("Package manager version:", manager.version);
+
+    console.log("-".repeat(20));
+
+    const output = await (async () => {
+      switch (manager.name) {
+        case "npm":
+          return await $`npm ls --depth=4`;
+
+        case "yarn":
+          if (manager.version === "berry") {
+            return await $`yarn info`;
+          }
+
+          return await $`yarn list --depth=4`;
+
+        case "pnpm":
+          return await $`pnpm ls --depth=4`;
+
+        case "bun":
+          return await $`bun pm ls`;
+
+        default:
+          return await $`npm ls`;
+      }
+    })();
+    const gatherMatch = (str: string, regex: RegExp) => {
+      return [...new Set(str.matchAll(regex).map((match) => match[0]))];
+    };
+
+    const packages = gatherMatch(
+      output.stdout,
+      /(@langchain\/[^\s@]+|langsmith|langchain)/g
+    );
+
+    async function getPackageInfo(packageName: string) {
+      switch (manager?.name) {
+        case "npm":
+          return (await $`npm explain ${packageName}`).stdout;
+
+        case "yarn":
+          return (await $`yarn why ${packageName}`).stdout;
+
+        case "pnpm":
+          return (await $`pnpm why ${packageName}`).stdout;
+
+        case "bun":
+          return (await $`bun why ${packageName}`).stdout;
+
+        default:
+          return null;
+      }
+    }
+
+    function escapeRegExp(text: string) {
+      return text.replace(/[-[\]{}()*+?.,\\^$|#\s]/g, "\\$&");
+    }
+
+    for (const pkg of packages) {
+      const info = await getPackageInfo(pkg);
+      if (!info) continue;
+
+      const targetRegex = new RegExp(escapeRegExp(pkg) + "@[^\\s]*", "g");
+      console.log(
+        pkg,
+        "->",
+        gatherMatch(info, targetRegex)
+          .map((i) => i.slice(pkg.length))
+          .join(", ")
+      );
+    }
+  });

yarn.lock

@@ -1955,6 +1955,7 @@ __metadata:
     extract-zip: "npm:^2.0.1"
     langsmith: "npm:^0.3.33"
     open: "npm:^10.1.0"
+    package-manager-detector: "npm:^1.3.0"
     prettier: "npm:^2.8.3"
     stacktrace-parser: "npm:^0.1.10"
     tar: "npm:^7.4.3"
@@ -11078,6 +11079,13 @@ __metadata:
   languageName: node
   linkType: hard
 
+"package-manager-detector@npm:^1.3.0":
+  version: 1.3.0
+  resolution: "package-manager-detector@npm:1.3.0"
+  checksum: 10/b21155d53a8ab96d5be3bfae43cc1d397bf363782b922d1f6967d220d2a9f08234ebb76035318bf92822ce761d10451959f01019faebc08fdb4d4a8bc3103da6
+  languageName: node
+  linkType: hard
+
 "pako@npm:~1.0.5":
   version: 1.0.11
   resolution: "pako@npm:1.0.11"