Find and replace on upgrade

Author: jamesdaniels

sample/package.json

@@ -17,7 +17,7 @@
     "@angular/common": "^12.0.0",
     "@angular/compiler": "^12.0.0",
     "@angular/core": "^12.0.0",
-    "@angular/fire": "7.0.0-canary.32f57c2",
+    "@angular/fire": "7.0.0-canary.d3a9af2",
     "@angular/forms": "^12.0.0",
     "@angular/platform-browser": "^12.0.0",
     "@angular/platform-browser-dynamic": "^12.0.0",

sample/yarn.lock

@@ -216,10 +216,10 @@
   dependencies:
     tslib "^2.2.0"
 
-"@angular/fire@7.0.0-canary.32f57c2":
-  version "7.0.0-canary.32f57c2"
-  resolved "https://registry.yarnpkg.com/@angular/fire/-/fire-7.0.0-canary.32f57c2.tgz#f22a08f8ab74968cf1d7ad3899c8172b58be6225"
-  integrity sha512-LniVulI209Z8GLa0rgrr43kJYW6dDIcaxhlRpq8/sv4x2eOKbwDGqnrnDPZkGwLbp7F19B61hLyMSO5aA7+IpA==
+"@angular/fire@7.0.0-canary.d3a9af2":
+  version "7.0.0-canary.d3a9af2"
+  resolved "https://registry.yarnpkg.com/@angular/fire/-/fire-7.0.0-canary.d3a9af2.tgz#28050f12da5e9310d209ca0a4e2bc3e0a20ab0d4"
+  integrity sha512-Jrnen55L0xuhGLEGlbtB7kbzN1ZKE/LQN0aASAxlZ/FnD1CRDmlZlYr4Clz1/ZJH6yMu7sMw72NlI7vk/dJoBA==
   dependencies:
     tslib "^2.0.0"
 

src/schematics/update/v7/index.ts

@@ -34,16 +34,22 @@ export const ngUpdate = (): Rule => (
     overwriteIfExists(host, 'package.json', stringifyFormatted(packageJson));
 
     host.visit(filePath => {
-        if (!filePath.endsWith('.ts')) {
+        if (
+            !filePath.endsWith('.ts') ||
+            filePath.endsWith('.d.ts') ||
+            filePath.startsWith('/node_modules')
+        ) {
             return;
         }
-        const content = host.read(filePath);
+        const content = host.read(filePath)?.toString();
         if (!content) {
             return;
         }
-        // rewrite imports from `@angular/fire/*` to `@angular/fire/compat/*`
-        // rewrite imports from `firebase/*` to `firebase/compat/*`
-        // rewrite imports from `@firebase/*` to `@firebase/compat/*`
+        // TODO clean this up
+        content.replace(/(?<key>import|export)\s+(?:(?<alias>[\w,{}\s\*]+)\s+from)?\s*(?:(["'])?firebase\/(?<ref>[@\w\s\\\/.-]+)\3?)\s*;/, "$1 $2 from $3firebase/compat/$4$3;");
+        content.replace(/(?<key>import|export)\s+(?:(?<alias>[\w,{}\s\*]+)\s+from)?\s*(?:(["'])?@firebase\/(?<ref>[@\w\s\\\/.-]+)\3?)\s*;/, "$1 $2 from $3@firebase/compat/$4$3;");
+        content.replace(/(?<key>import|export)\s+(?:(?<alias>[\w,{}\s\*]+)\s+from)?\s*(?:(["'])?@angular\/fire\/(?<ref>[@\w\s\\\/.-]+)\3?)\s*;/, "$1 $2 from $3@angular/fire/compat/$4$3;");
+        host.overwrite(filePath, content);
         console.log(filePath);
     });