feat: add prom-client 13 and 14 to peer deps (#143)

.circleci/config.yml

@@ -4,11 +4,19 @@ workflows:
       - test:
           matrix:
             parameters:
-              node-version: ['6', '8', '10', '12', '14', '16', '18', '19']
-              prom-client-version: ['10', '11', '12']
+              node-version: ['6', '8', '10', '12', '14', '16', '18', '19', '20']
+              prom-client-version: ['10', '11', '12', '13', '14']
             exclude:
               - node-version: '6'
                 prom-client-version: '12'
+              - node-version: '6'
+                prom-client-version: '13'
+              - node-version: '6'
+                prom-client-version: '14'
+              - node-version: '8'
+                prom-client-version: '13'
+              - node-version: '8'
+                prom-client-version: '14'
 orbs:
   node: circleci/[email protected]
 version: 2.1

.eslintrc

@@ -1,7 +1,20 @@
 {
-  "extends": ["simenb-base", "simenb-node", "simenb-jest"],
+  "extends": [
+    "simenb-base",
+    "simenb-node",
+    "simenb-jest"
+  ],
   "rules": {
     // Not supported in node 4
     "prefer-destructuring": "off"
-  }
+  },
+  "overrides": [
+    {
+      "files": "test.js",
+      "rules": {
+        // Jest transpiles
+        "node/no-unsupported-features/es-syntax": "off"
+      }
+    }
+  ]
 }

README.md

@@ -7,7 +7,7 @@
 
 ## Usage
 
-This module has a peer dependency on [`prom-client`](https://github.com/siimon/prom-client). Currently, 10 is supported.
+This module has a peer dependency on [`prom-client`](https://github.com/siimon/prom-client). Currently, 10-14 is supported.
 
 This module follows the same API as the core default metrics. To start collection GC stats, invoke the exported function to create the
 metrics, then invoke the returned function to start the collecting.

babel.config.js

@@ -0,0 +1,5 @@
+'use strict';
+
+module.exports = {
+  presets: [['@babel/preset-env', { targets: { node: 'current' } }]],
+};

package.json

@@ -32,16 +32,19 @@
     "optional": "^0.1.3"
   },
   "peerDependencies": {
-    "prom-client": ">= 10 <= 12"
+    "prom-client": ">= 10 <= 14"
   },
   "devDependencies": {
+    "@babel/core": "^7.22.15",
+    "@babel/preset-env": "^7.22.15",
+    "babel-jest": "^24.0.0",
     "eslint": "^5.6.0",
     "eslint-config-simenb-base": "^15.0.0",
     "eslint-config-simenb-jest": "^3.0.0",
     "eslint-config-simenb-node": "^2.0.0",
     "jest": "^24.0.0",
     "prettier": "^1.4.4",
-    "prom-client": "^12.0.0"
+    "prom-client": "^14.0.0"
   },
   "jest": {
     "testEnvironment": "node"

test.js

@@ -12,34 +12,35 @@ afterEach(() => {
   promRegister.clear();
 });
 
-test('register metrics', () => {
-  expect(promRegister.getMetricsAsJSON()).toHaveLength(0);
+test('register metrics', async () => {
+  expect(await promRegister.getMetricsAsJSON()).toHaveLength(0);
 
   gcMetrics();
 
-  expect(promRegister.getMetricsAsJSON()).toHaveLength(3);
+  expect(await promRegister.getMetricsAsJSON()).toHaveLength(3);
 });
 
-test('register metrics to custom register', () => {
+test('register metrics to custom register', async () => {
   const register = new PromRegistry();
 
-  expect(promRegister.getMetricsAsJSON()).toHaveLength(0);
-  expect(register.getMetricsAsJSON()).toHaveLength(0);
+  expect(await promRegister.getMetricsAsJSON()).toHaveLength(0);
+  expect(await register.getMetricsAsJSON()).toHaveLength(0);
 
   gcMetrics(register);
 
-  expect(promRegister.getMetricsAsJSON()).toHaveLength(0);
-  expect(register.getMetricsAsJSON()).toHaveLength(3);
+  expect(await promRegister.getMetricsAsJSON()).toHaveLength(0);
+  expect(await register.getMetricsAsJSON()).toHaveLength(3);
 });
 
-test('include prefix', () => {
-  expect(promRegister.getMetricsAsJSON()).toHaveLength(0);
+test('include prefix', async () => {
+  expect(await promRegister.getMetricsAsJSON()).toHaveLength(0);
 
   gcMetrics(undefined, { prefix: 'prefix_' });
 
-  expect(promRegister.getMetricsAsJSON()).toHaveLength(3);
+  const metricsAsJson = await promRegister.getMetricsAsJSON();
+  expect(metricsAsJson).toHaveLength(3);
 
-  expect(promRegister.getMetricsAsJSON().map(metric => metric.name)).toEqual([
+  expect(metricsAsJson.map(metric => metric.name)).toEqual([
     'prefix_nodejs_gc_runs_total',
     'prefix_nodejs_gc_pause_seconds_total',
     'prefix_nodejs_gc_reclaimed_bytes_total',