Fix invalid url when being referenced by project id alias

Closes FirebaseExtended#213

Author: lopes-gustavo

bin/action.min.js

@@ -93151,6 +93151,17 @@ async function postChannelSuccessComment(github, context, result, commit) {
   core.endGroup();
 }
 
+function getProjectIdByAlias(alias) {
+  try {
+    const firebaserc = JSON.parse(fs.readFileSync(".firebaserc", {
+      encoding: 'utf-8'
+    }));
+    return firebaserc.projects[alias];
+  } catch (e) {
+    return undefined;
+  }
+}
+
 /**
  * Copyright 2020 Google LLC
  *
@@ -93216,7 +93227,9 @@ async function run() {
         throw Error(deployment.error);
       }
       core.endGroup();
-      const hostname = target ? `${target}.web.app` : `${projectId}.web.app`;
+      // Try to get the project id from an project alias
+      const parsedProjectId = getProjectIdByAlias(projectId) || projectId;
+      const hostname = target ? `${target}.web.app` : `${parsedProjectId}.web.app`;
       const url = `https://${hostname}/`;
       await finish({
         details_url: url,

src/getProjectIdByAlias.ts

@@ -0,0 +1,10 @@
+import { readFileSync } from "fs";
+
+export function getProjectIdByAlias(alias: string): string {
+    try {
+        const firebaserc = JSON.parse(readFileSync(".firebaserc", { encoding: 'utf-8' }));
+        return firebaserc.projects[alias];
+    } catch (e) {
+        return undefined;
+    }
+}

src/index.ts

@@ -36,6 +36,7 @@ import {
   getURLsMarkdownFromChannelDeployResult,
   postChannelSuccessComment,
 } from "./postOrUpdateComment";
+import { getProjectIdByAlias } from "./getProjectIdByAlias";
 
 // Inputs defined in action.yml
 const expires = getInput("expires");
@@ -99,8 +100,11 @@ async function run() {
       }
       endGroup();
 
-      const hostname = target ? `${target}.web.app` : `${projectId}.web.app`;
+      // Try to get the project id from an project alias
+      const parsedProjectId = getProjectIdByAlias(projectId) || projectId;
+      const hostname = target ? `${target}.web.app` : `${parsedProjectId}.web.app`;
       const url = `https://${hostname}/`;
+
       await finish({
         details_url: url,
         conclusion: "success",