chore: added standards-compliant Promise.any implementation

Signed-off-by: planeiii <planeiii@thousandeyes.com>

plugins/jenkins-backend/package.json

@@ -37,6 +37,7 @@
     "express": "^4.17.1",
     "express-promise-router": "^4.1.0",
     "jenkins": "^0.28.1",
+    "promise-any-polyfill": "^1.0.1",
     "winston": "^3.2.1",
     "yn": "^4.0.0"
   },

plugins/jenkins-backend/src/service/jenkinsApi.ts

@@ -30,27 +30,11 @@ import {
 import { jenkinsExecutePermission } from '@backstage/plugin-jenkins-common';
 import { NotAllowedError } from '@backstage/errors';
 
-// polyfill Promise.any for Node v14
-const anyPromise = (any => {
-  if (any) {
-    // bind is required by tsc
-    return any.bind(Promise);
-  }
-
-  // reverse promise resolution (rejects become resolves and visa versa)
-  const reverse = (promise: Promise<JenkinsProject>): Promise<JenkinsProject> =>
-    new Promise<JenkinsProject>((resolve, reject) =>
-      Promise.resolve(promise).then(reject, resolve),
-    );
-
-  return (
-    iterable: Iterable<Promise<JenkinsProject>>,
-  ): Promise<JenkinsProject> =>
-    Promise.all([...iterable].map(reverse)).then(
-      results => reverse(Promise.resolve(results[0])),
-      reverse,
-    );
-})(Promise.any);
+if (!Promise.any) {
+  (async () => {
+    await import('promise-any-polyfill');
+  })();
+}
 
 export class JenkinsApiImpl {
   private static readonly lastBuildTreeSpec = `lastBuild[
@@ -99,7 +83,7 @@ export class JenkinsApiImpl {
     if (branches) {
       // Assume jenkinsInfo.jobFullName is a folder which contains one job per branch.
       // TODO: extract a strategy interface for this
-      const job = await anyPromise(
+      const job = await Promise.any(
         branches.map(branch =>
           client.job.get({
             name: `${jenkinsInfo.jobFullName}/${branch}`,

yarn.lock

@@ -20902,6 +20902,11 @@ promise-all-reject-late@^1.0.0:
   resolved "https://registry.npmjs.org/promise-all-reject-late/-/promise-all-reject-late-1.0.1.tgz#f8ebf13483e5ca91ad809ccc2fcf25f26f8643c2"
   integrity sha512-vuf0Lf0lOxyQREH7GDIOUMLS7kz+gs8i6B+Yi8dC68a2sychGrHTJYghMBD6k7eUcH0H5P73EckCA48xijWqXw==
 
+promise-any-polyfill@^1.0.1:
+  version "1.0.1"
+  resolved "https://artifactory.thousandeyes.com/artifactory/api/npm/npm/promise-any-polyfill/-/promise-any-polyfill-1.0.1.tgz#563872dd0abd370bfa8039e63980469b4b8b0d53"
+  integrity sha1-Vjhy3Qq9Nwv6gDnmOYBGm0uLDVM=
+
 promise-call-limit@^1.0.1:
   version "1.0.1"
   resolved "https://registry.npmjs.org/promise-call-limit/-/promise-call-limit-1.0.1.tgz#4bdee03aeb85674385ca934da7114e9bcd3c6e24"