From 67588ec606024b52e2523fe471b1ec1aced6c99c Mon Sep 17 00:00:00 2001
From: Pete Bacon Darwin <pete@bacondarwin.com>
Date: Mon, 16 Jul 2018 08:43:24 +0100
Subject: [PATCH] refactor(ivy): allow `ImportManager` to have configurable
 prefix (#24897)

The ngcc compiler will want to specify its own prefix when rendering
definitions.

PR Close #24897
---
 packages/compiler-cli/src/ngtsc/transform/src/translator.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/packages/compiler-cli/src/ngtsc/transform/src/translator.ts b/packages/compiler-cli/src/ngtsc/transform/src/translator.ts
index f54aaef524..095e30683e 100644
--- a/packages/compiler-cli/src/ngtsc/transform/src/translator.ts
+++ b/packages/compiler-cli/src/ngtsc/transform/src/translator.ts
@@ -52,11 +52,11 @@ export class ImportManager {
   private moduleToIndex = new Map<string, string>();
   private nextIndex = 0;
 
-  constructor(private isCore: boolean) {}
+  constructor(private isCore: boolean, private prefix = 'i') {}
 
   generateNamedImport(moduleName: string, symbol: string): string {
     if (!this.moduleToIndex.has(moduleName)) {
-      this.moduleToIndex.set(moduleName, `i${this.nextIndex++}`);
+      this.moduleToIndex.set(moduleName, `${this.prefix}${this.nextIndex++}`);
     }
     if (this.isCore && moduleName === '@angular/core' && !CORE_SUPPORTED_SYMBOLS.has(symbol)) {
       throw new Error(`Importing unexpected symbol ${symbol} while compiling core`);