chore(build): incorporate peerDependency version bump into main version script

Previously it intra-monorepo version bumps were done in postversion, which meant they
were not included as part of the release tag, they were after it, which is not correct

Author: mikehardy

package.json

@@ -3,7 +3,6 @@
   "private": true,
   "scripts": {
     "version": "node ./scripts/version.js",
-    "postversion": "node ./scripts/postversion.js",
     "prepare": "yarn run lerna:link && lerna run prepare --parallel",
     "build:all:clean": "lerna run build:clean",
     "build:all:build": "lerna run build",

scripts/postversion.js

@@ -1,8 +1,13 @@
 const { sep } = require('path');
 const { execSync } = require('child_process');
 const { readFileSync, writeFileSync } = require('fs');
+const { exit } = require('process');
 
-const packages = JSON.parse(execSync('lerna ls --json').toString('utf-8'));
+const packages = JSON.parse(execSync('npx lerna ls --json').toString('utf-8'));
+
+const firebaseAppPackageName = '@react-native-firebase/app';
+const lernaVersion = JSON.parse(readFileSync('lerna.json')).version;
+console.log(`Found lerna version: ${lernaVersion}`);
 
 packages.forEach(package => {
   const { location } = package;
@@ -24,5 +29,45 @@ packages.forEach(package => {
   // ---------------------------
   //      Format Changelog
   // ---------------------------
-  execSync(`prettier --write ${changelogPath}`);
+  execSync(`npx prettier --write ${changelogPath}`);
+
+  // ---------------------------
+  //   Update Peer Dependencies
+  // ---------------------------
+  const packageJsonPath = `${location}${sep}/package.json`;
+  const packageJsonContents = JSON.parse(readFileSync(packageJsonPath).toString('utf-8'));
+
+  // Make sure that the app package has the correct version, it has been failing periodically
+  if (!packageJsonContents.version === lernaVersion) {
+    console.log(
+      `app package version ${packageJsonContents.version} but should be ${lernaVersion}? Exiting.`,
+    );
+    exit(1);
+  }
+  // console.log(`Examining package ${package.name} for local peerDepencenies...`);
+
+  if (!packageJsonContents.peerDependencies) {
+    return;
+  }
+
+  packages.forEach(possiblePeerDependency => {
+    // console.log(`  checking for cross-dependency on ${possiblePeerDependency.name}`);
+    if (!packageJsonContents.peerDependencies[possiblePeerDependency.name]) {
+      return;
+    }
+    if (packageJsonContents.peerDependencies[possiblePeerDependency.name] === lernaVersion) {
+      return;
+    }
+
+    packageJsonContents.peerDependencies[possiblePeerDependency.name] = lernaVersion;
+
+    writeFileSync(packageJsonPath, JSON.stringify(packageJsonContents, null, 2) + '\n');
+
+    console.log(
+      `Updated '${possiblePeerDependency.name}' peer dependency on package`,
+      packageJsonContents.name,
+      'to',
+      packageJsonContents.peerDependencies[possiblePeerDependency.name],
+    );
+  });
 });