From 8ea3bb2631de8430e4c82d05affa20ad17cadc1a Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Thu, 25 Feb 2021 12:02:51 -0500
Subject: [PATCH] pass hash function to cssHash

---
 src/compiler/compile/css/Stylesheet.ts | 7 ++++---
 src/compiler/interfaces.ts             | 3 ++-
 2 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/compiler/compile/css/Stylesheet.ts b/src/compiler/compile/css/Stylesheet.ts
index 312890ad0f..af8d4d9c85 100644
--- a/src/compiler/compile/css/Stylesheet.ts
+++ b/src/compiler/compile/css/Stylesheet.ts
@@ -275,8 +275,8 @@ class Atrule {
 	}
 }
 
-const get_default_css_hash: CssHashGetter = ({ hash }) => {
-	return `svelte-${hash}`;
+const get_default_css_hash: CssHashGetter = ({ css, hash }) => {
+	return `svelte-${hash(css)}`;
 };
 
 export default class Stylesheet {
@@ -317,7 +317,8 @@ export default class Stylesheet {
 			this.id = get_css_hash({
 				filename,
 				name: component_name,
-				hash: hash(ast.css.content.styles)
+				css: ast.css.content.styles,
+				hash
 			});
 
 			this.has_styles = true;
diff --git a/src/compiler/interfaces.ts b/src/compiler/interfaces.ts
index c86aed0e06..a34f932a93 100644
--- a/src/compiler/interfaces.ts
+++ b/src/compiler/interfaces.ts
@@ -107,7 +107,8 @@ export type ModuleFormat = 'esm' | 'cjs';
 export type CssHashGetter = (args: {
 	name: string;
 	filename: string | undefined;
-	hash: string;
+	css: string;
+	hash: (input: string) => string;
 }) => string;
 
 export interface CompileOptions {