Add wrapper for performance.now and bump packages to beta test vercel…

… edge function support

package.json

@@ -24,6 +24,7 @@
     "release-all:beta": "yarn workspaces foreach -t --verbose --exclude=\"*-example\" --exclude=\"*-monorepo\" npm publish --tag beta",
     "release-lib": "yarn workspaces foreach -t --verbose --include=\"@autometrics/autometrics\" --include=\"@autometrics/exporter-*\" npm publish",
     "release-lib:beta": "yarn workspaces foreach -t --verbose --include=\"@autometrics/autometrics\" --include=\"@autometrics/exporter-*\" npm publish --tag beta",
+    "release-vercel:beta": "yarn workspaces foreach -t --verbose --include=\"@autometrics/autometrics\" --include=\"@autometrics/exporter-prometheus-push-gateway\" npm publish --tag beta",
     "type-check": "yarn workspaces foreach -p --verbose run type-check",
     "build:main": "yarn workspaces foreach -pt --verbose --include=\"@autometrics/autometrics\" --include=\"@autometrics/exporter-*\" run build",
     "dev:main": "yarn workspaces foreach -pt --verbose --include=\"@autometrics/autometrics\" --include=\"@autometrics/exporter-*\" run dev",
@@ -40,4 +41,4 @@
     "typescript": "^5.0.4",
     "vitest": "^0.34.3"
   }
-}
+}

packages/autometrics/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@autometrics/autometrics",
-  "version": "0.7.0",
+  "version": "0.7.2-beta.0",
   "type": "module",
   "description": "Easily add metrics to your system -- and actually understand them using automatically customized Prometheus queries",
   "author": "Fiberplane <info@fiberplane.com>",
@@ -44,4 +44,4 @@
     "typedoc-plugin-markdown": "^3.16.0",
     "typescript": "^5.0.4"
   }
-}
+}

packages/autometrics/src/performance.ts

@@ -0,0 +1,21 @@
+
+const START = Date.now();
+
+/**
+ * Utility function for using the performance.now() function if it exists, otherwise
+ * falls back to Date.now() - START, which has less precision but shouldn't matter for us.
+ *
+ * @note - This is required for compatibility with the Vercel Edge Function Runtime
+ */
+export function now() {
+  if (hasPerformanceNow()) {
+    return performance.now();
+  }
+
+
+  return Date.now() - START;
+}
+
+function hasPerformanceNow() {
+  return typeof performance !== "undefined" && "now" in performance && typeof performance.now === "function";
+}

packages/autometrics/src/wrappers.ts

@@ -20,6 +20,7 @@ import {
   isObject,
   isPromise,
 } from "./utils";
+import * as performance from "./performance";
 
 let asyncLocalStorage: ALSInstance | undefined;
 if (typeof window === "undefined") {

packages/exporter-prometheus-push-gateway/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@autometrics/exporter-prometheus-push-gateway",
-  "version": "0.7.1",
+  "version": "0.7.2-beta.0",
   "type": "module",
   "description": "Export metrics by pushing them to a Prometheus-compatible gateway",
   "author": "Fiberplane <info@fiberplane.com>",
@@ -32,7 +32,7 @@
     "type-check": "tsc -p tsconfig.json"
   },
   "dependencies": {
-    "@autometrics/autometrics": "^0.7.0",
+    "@autometrics/autometrics": "^0.7.2-beta.0",
     "@opentelemetry/api": "^1.3.0",
     "@opentelemetry/core": "^1.15.2",
     "@opentelemetry/exporter-prometheus": ">=0.35.1",
@@ -43,4 +43,4 @@
     "tsup": "^7.2.0",
     "typescript": "^5.0.4"
   }
-}
+}