From 1ad28e6fe601854287798502bc3e7797b2eb922d Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Sat, 24 Feb 2018 19:23:33 -0500
Subject: [PATCH 1/2] use base36 for style classes

---
 src/css/Stylesheet.ts                                     | 4 ++--
 src/index.ts                                              | 2 +-
 src/utils/hash.ts                                         | 4 ++--
 test/css/index.js                                         | 6 +++---
 .../css/samples/attribute-selector-only-name/expected.css | 2 +-
 test/css/samples/attribute-selector-unquoted/expected.css | 2 +-
 test/css/samples/basic/expected.css                       | 2 +-
 .../css/samples/cascade-false-empty-rule-dev/expected.css | 2 +-
 .../samples/cascade-false-global-keyframes/expected.css   | 2 +-
 .../samples/cascade-false-keyframes-from-to/expected.css  | 2 +-
 test/css/samples/cascade-false-keyframes/expected.css     | 2 +-
 .../css/samples/cascade-false-pseudo-element/expected.css | 2 +-
 .../samples/cascade-false-universal-selector/expected.css | 2 +-
 .../cascade-false-universal-selector/expected.html        | 2 +-
 test/css/samples/cascade-false/expected.css               | 2 +-
 test/css/samples/combinator-child/expected.css            | 2 +-
 test/css/samples/combinator-child/expected.html           | 2 +-
 test/css/samples/css-vars/expected.css                    | 2 +-
 .../descendant-selector-non-top-level-outer/expected.css  | 2 +-
 .../descendant-selector-non-top-level-outer/expected.html | 2 +-
 test/css/samples/keyframes/expected.css                   | 2 +-
 test/css/samples/media-query-word/expected.css            | 2 +-
 test/css/samples/media-query/expected.css                 | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 4 ++--
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../omit-scoping-attribute-class-dynamic/expected.css     | 2 +-
 .../omit-scoping-attribute-class-dynamic/expected.html    | 2 +-
 .../omit-scoping-attribute-class-static/expected.css      | 2 +-
 .../omit-scoping-attribute-class-static/expected.html     | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 test/css/samples/omit-scoping-attribute-id/expected.css   | 2 +-
 test/css/samples/omit-scoping-attribute-id/expected.html  | 2 +-
 .../expected.css                                          | 2 +-
 .../expected.html                                         | 2 +-
 .../omit-scoping-attribute-whitespace/expected.css        | 2 +-
 .../omit-scoping-attribute-whitespace/expected.html       | 2 +-
 test/css/samples/omit-scoping-attribute/expected.css      | 2 +-
 test/css/samples/omit-scoping-attribute/expected.html     | 2 +-
 test/css/samples/refs-qualified/expected.css              | 2 +-
 test/css/samples/refs-qualified/expected.html             | 2 +-
 test/css/samples/refs/expected.css                        | 2 +-
 test/css/samples/refs/expected.html                       | 4 ++--
 test/css/samples/universal-selector/expected.css          | 2 +-
 test/css/samples/unknown-at-rule/expected.css             | 2 +-
 test/css/samples/unused-selector-leading/expected.css     | 2 +-
 test/css/samples/unused-selector-leading/expected.html    | 2 +-
 test/css/samples/unused-selector-ternary/expected.css     | 2 +-
 test/css/samples/unused-selector-ternary/expected.html    | 2 +-
 test/css/samples/unused-selector/expected.css             | 2 +-
 test/css/samples/unused-selector/expected.html            | 2 +-
 .../collapses-text-around-comments/expected-bundle.js     | 8 ++++----
 .../js/samples/collapses-text-around-comments/expected.js | 8 ++++----
 test/js/samples/css-media-query/expected-bundle.js        | 8 ++++----
 test/js/samples/css-media-query/expected.js               | 8 ++++----
 .../samples/styles-nested/_actual.css                     | 4 ++--
 .../samples/styles-nested/_actual.html                    | 6 +++---
 .../samples/styles-nested/_expected.css                   | 4 ++--
 .../samples/styles-nested/_expected.html                  | 6 +++---
 test/server-side-rendering/samples/styles/_actual.css     | 2 +-
 test/server-side-rendering/samples/styles/_actual.html    | 2 +-
 test/server-side-rendering/samples/styles/_expected.css   | 2 +-
 test/server-side-rendering/samples/styles/_expected.html  | 2 +-
 test/sourcemaps/samples/css-cascade-false/output.css      | 2 +-
 test/sourcemaps/samples/css-cascade-false/output.css.map  | 2 +-
 test/sourcemaps/samples/css/output.css                    | 2 +-
 test/sourcemaps/samples/css/output.css.map                | 2 +-
 91 files changed, 115 insertions(+), 115 deletions(-)

diff --git a/src/css/Stylesheet.ts b/src/css/Stylesheet.ts
index e3e4a2dd6536..d1ed6645aaf2 100644
--- a/src/css/Stylesheet.ts
+++ b/src/css/Stylesheet.ts
@@ -266,7 +266,7 @@ export default class Stylesheet {
 	children: (Rule|Atrule)[];
 	keyframes: Map<string, string>;
 
-	constructor(source: string, parsed: Parsed, filename: string, cascade: boolean, dev: boolean) {
+	constructor(source: string, parsed: Parsed, name: string, filename: string, cascade: boolean, dev: boolean) {
 		this.source = source;
 		this.parsed = parsed;
 		this.cascade = cascade;
@@ -277,7 +277,7 @@ export default class Stylesheet {
 		this.keyframes = new Map();
 
 		if (parsed.css && parsed.css.children.length) {
-			this.id = `svelte-${hash(parsed.css.content.styles)}`;
+			this.id = `${name ? name.toLowerCase() : 'svelte'}-${hash(parsed.css.content.styles)}`;
 
 			this.hasStyles = true;
 
diff --git a/src/index.ts b/src/index.ts
index be62f0776364..f820cea85e4c 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -116,7 +116,7 @@ export function compile(source: string, _options: CompileOptions) {
 		return;
 	}
 
-	const stylesheet = new Stylesheet(source, parsed, options.filename, options.cascade !== false, options.dev);
+	const stylesheet = new Stylesheet(source, parsed, options.name, options.filename, options.cascade !== false, options.dev);
 
 	validate(parsed, source, stylesheet, options);
 
diff --git a/src/utils/hash.ts b/src/utils/hash.ts
index 8bc550a5c0d9..c68476a5bb6a 100644
--- a/src/utils/hash.ts
+++ b/src/utils/hash.ts
@@ -1,8 +1,8 @@
 // https://github.com/darkskyapp/string-hash/blob/master/index.js
-export default function hash(str: string): number {
+export default function hash(str: string): string {
 	let hash = 5381;
 	let i = str.length;
 
 	while (i--) hash = ((hash << 5) - hash) ^ str.charCodeAt(i);
-	return hash >>> 0;
+	return (hash >>> 0).toString(36);
 }
diff --git a/test/css/index.js b/test/css/index.js
index b2e989d57130..94f0db3dfe88 100644
--- a/test/css/index.js
+++ b/test/css/index.js
@@ -95,7 +95,7 @@ describe('css', () => {
 				css: read(`test/css/samples/${dir}/expected.css`)
 			};
 
-			assert.equal(dom.css.replace(/svelte-\d+/g, 'svelte-xyz'), expected.css);
+			assert.equal(dom.css.replace(/sveltecomponent-[a-z0-9]+/g, 'sveltecomponent-xyz'), expected.css);
 
 			// verify that the right elements have scoping selectors
 			if (expected.html !== null) {
@@ -114,7 +114,7 @@ describe('css', () => {
 					fs.writeFileSync(`test/css/samples/${dir}/_actual.html`, html);
 
 					assert.equal(
-						normalizeHtml(window, html.replace(/svelte-\d+/g, 'svelte-xyz')),
+						normalizeHtml(window, html.replace(/sveltecomponent-[a-z0-9]+/g, 'sveltecomponent-xyz')),
 						normalizeHtml(window, expected.html)
 					);
 
@@ -133,7 +133,7 @@ describe('css', () => {
 					assert.equal(
 						normalizeHtml(
 							window,
-							component.render(config.data).html.replace(/svelte-\d+/g, 'svelte-xyz')
+							component.render(config.data).html.replace(/sveltecomponent-[a-z0-9]+/g, 'sveltecomponent-xyz')
 						),
 						normalizeHtml(window, expected.html)
 					);
diff --git a/test/css/samples/attribute-selector-only-name/expected.css b/test/css/samples/attribute-selector-only-name/expected.css
index e2bbf5b48c59..450d82d1764b 100644
--- a/test/css/samples/attribute-selector-only-name/expected.css
+++ b/test/css/samples/attribute-selector-only-name/expected.css
@@ -1 +1 @@
-[foo].svelte-xyz{color:red}[baz].svelte-xyz{color:blue}
\ No newline at end of file
+[foo].sveltecomponent-xyz{color:red}[baz].sveltecomponent-xyz{color:blue}
\ No newline at end of file
diff --git a/test/css/samples/attribute-selector-unquoted/expected.css b/test/css/samples/attribute-selector-unquoted/expected.css
index 9f8f88a352eb..63b722d52e47 100644
--- a/test/css/samples/attribute-selector-unquoted/expected.css
+++ b/test/css/samples/attribute-selector-unquoted/expected.css
@@ -1 +1 @@
-[foo=bar].svelte-xyz{color:red}
\ No newline at end of file
+[foo=bar].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/basic/expected.css b/test/css/samples/basic/expected.css
index 49670b1fd540..8a07144453cc 100644
--- a/test/css/samples/basic/expected.css
+++ b/test/css/samples/basic/expected.css
@@ -1 +1 @@
-div.svelte-xyz,.svelte-xyz div{color:red}
\ No newline at end of file
+div.sveltecomponent-xyz,.sveltecomponent-xyz div{color:red}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-empty-rule-dev/expected.css b/test/css/samples/cascade-false-empty-rule-dev/expected.css
index 4013e47e5d3a..24cea55b6374 100644
--- a/test/css/samples/cascade-false-empty-rule-dev/expected.css
+++ b/test/css/samples/cascade-false-empty-rule-dev/expected.css
@@ -1 +1 @@
-.foo.svelte-xyz{}
\ No newline at end of file
+.foo.sveltecomponent-xyz{}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-global-keyframes/expected.css b/test/css/samples/cascade-false-global-keyframes/expected.css
index 8e716d136df4..b1c560ac7a16 100644
--- a/test/css/samples/cascade-false-global-keyframes/expected.css
+++ b/test/css/samples/cascade-false-global-keyframes/expected.css
@@ -1 +1 @@
-@keyframes why{0%{color:red}100%{color:blue}}.animated.svelte-xyz{animation:why 2s}.also-animated.svelte-xyz{animation:not-defined-here 2s}
\ No newline at end of file
+@keyframes why{0%{color:red}100%{color:blue}}.animated.sveltecomponent-xyz{animation:why 2s}.also-animated.sveltecomponent-xyz{animation:not-defined-here 2s}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-keyframes-from-to/expected.css b/test/css/samples/cascade-false-keyframes-from-to/expected.css
index c8ee60194c80..e68bbbb2d1d2 100644
--- a/test/css/samples/cascade-false-keyframes-from-to/expected.css
+++ b/test/css/samples/cascade-false-keyframes-from-to/expected.css
@@ -1 +1 @@
-@keyframes svelte-xyz-why{from{color:red}to{color:blue}}.animated.svelte-xyz{animation:svelte-xyz-why 2s}
\ No newline at end of file
+@keyframes sveltecomponent-xyz-why{from{color:red}to{color:blue}}.animated.sveltecomponent-xyz{animation:sveltecomponent-xyz-why 2s}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-keyframes/expected.css b/test/css/samples/cascade-false-keyframes/expected.css
index a6a1176dae46..81d89c3ea1b4 100644
--- a/test/css/samples/cascade-false-keyframes/expected.css
+++ b/test/css/samples/cascade-false-keyframes/expected.css
@@ -1 +1 @@
-@keyframes svelte-xyz-why{0%{color:red}100%{color:blue}}.animated.svelte-xyz{animation:svelte-xyz-why 2s}.also-animated.svelte-xyz{animation:not-defined-here 2s}
\ No newline at end of file
+@keyframes sveltecomponent-xyz-why{0%{color:red}100%{color:blue}}.animated.sveltecomponent-xyz{animation:sveltecomponent-xyz-why 2s}.also-animated.sveltecomponent-xyz{animation:not-defined-here 2s}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-pseudo-element/expected.css b/test/css/samples/cascade-false-pseudo-element/expected.css
index bb380d40417c..b58ca97e2046 100644
--- a/test/css/samples/cascade-false-pseudo-element/expected.css
+++ b/test/css/samples/cascade-false-pseudo-element/expected.css
@@ -1 +1 @@
-span.svelte-xyz::after{content:'i am a pseudo-element'}span.svelte-xyz:first-child{color:red}span.svelte-xyz:last-child::after{color:blue}
\ No newline at end of file
+span.sveltecomponent-xyz::after{content:'i am a pseudo-element'}span.sveltecomponent-xyz:first-child{color:red}span.sveltecomponent-xyz:last-child::after{color:blue}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-universal-selector/expected.css b/test/css/samples/cascade-false-universal-selector/expected.css
index 3eda95e44618..1709f454f0cd 100644
--- a/test/css/samples/cascade-false-universal-selector/expected.css
+++ b/test/css/samples/cascade-false-universal-selector/expected.css
@@ -1 +1 @@
-.svelte-xyz{color:red}
\ No newline at end of file
+.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-universal-selector/expected.html b/test/css/samples/cascade-false-universal-selector/expected.html
index be0c65091616..4d6d935c24b6 100644
--- a/test/css/samples/cascade-false-universal-selector/expected.html
+++ b/test/css/samples/cascade-false-universal-selector/expected.html
@@ -1 +1 @@
-<div class="svelte-xyz"></div>
\ No newline at end of file
+<div class="sveltecomponent-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/cascade-false/expected.css b/test/css/samples/cascade-false/expected.css
index 797d245dde88..3df221a53d3d 100644
--- a/test/css/samples/cascade-false/expected.css
+++ b/test/css/samples/cascade-false/expected.css
@@ -1 +1 @@
-div.svelte-xyz{color:red}div.foo.svelte-xyz{color:blue}.foo.svelte-xyz{font-weight:bold}
\ No newline at end of file
+div.sveltecomponent-xyz{color:red}div.foo.sveltecomponent-xyz{color:blue}.foo.sveltecomponent-xyz{font-weight:bold}
\ No newline at end of file
diff --git a/test/css/samples/combinator-child/expected.css b/test/css/samples/combinator-child/expected.css
index bf6d83d42f9c..ad993a2f8056 100644
--- a/test/css/samples/combinator-child/expected.css
+++ b/test/css/samples/combinator-child/expected.css
@@ -1 +1 @@
-.test.svelte-xyz>div.svelte-xyz{color:#0af}
\ No newline at end of file
+.test.sveltecomponent-xyz>div.sveltecomponent-xyz{color:#0af}
\ No newline at end of file
diff --git a/test/css/samples/combinator-child/expected.html b/test/css/samples/combinator-child/expected.html
index 04af5650fe10..5d97f0554192 100644
--- a/test/css/samples/combinator-child/expected.html
+++ b/test/css/samples/combinator-child/expected.html
@@ -1 +1 @@
-<div class="test svelte-xyz"><div class="svelte-xyz">Testing...</div></div>
\ No newline at end of file
+<div class="test sveltecomponent-xyz"><div class="sveltecomponent-xyz">Testing...</div></div>
\ No newline at end of file
diff --git a/test/css/samples/css-vars/expected.css b/test/css/samples/css-vars/expected.css
index 1b3a42567a63..b009b4597b0a 100644
--- a/test/css/samples/css-vars/expected.css
+++ b/test/css/samples/css-vars/expected.css
@@ -1 +1 @@
-div.svelte-xyz,.svelte-xyz div{--test:10}
\ No newline at end of file
+div.sveltecomponent-xyz,.sveltecomponent-xyz div{--test:10}
\ No newline at end of file
diff --git a/test/css/samples/descendant-selector-non-top-level-outer/expected.css b/test/css/samples/descendant-selector-non-top-level-outer/expected.css
index 3817f75ebab4..17589c929900 100644
--- a/test/css/samples/descendant-selector-non-top-level-outer/expected.css
+++ b/test/css/samples/descendant-selector-non-top-level-outer/expected.css
@@ -1 +1 @@
-p.svelte-xyz span.svelte-xyz{color:red}
\ No newline at end of file
+p.sveltecomponent-xyz span.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/descendant-selector-non-top-level-outer/expected.html b/test/css/samples/descendant-selector-non-top-level-outer/expected.html
index 733f71343a2d..782831e9ce33 100644
--- a/test/css/samples/descendant-selector-non-top-level-outer/expected.html
+++ b/test/css/samples/descendant-selector-non-top-level-outer/expected.html
@@ -1 +1 @@
-<div><p class="svelte-xyz"><span class="svelte-xyz">styled</span></p></div>
\ No newline at end of file
+<div><p class="sveltecomponent-xyz"><span class="sveltecomponent-xyz">styled</span></p></div>
\ No newline at end of file
diff --git a/test/css/samples/keyframes/expected.css b/test/css/samples/keyframes/expected.css
index 810ba8775131..8bf03c9827b1 100644
--- a/test/css/samples/keyframes/expected.css
+++ b/test/css/samples/keyframes/expected.css
@@ -1 +1 @@
-@keyframes svelte-xyz-why{0%{color:red}100%{color:blue}}.svelte-xyz.animated,.svelte-xyz .animated{animation:svelte-xyz-why 2s}
\ No newline at end of file
+@keyframes sveltecomponent-xyz-why{0%{color:red}100%{color:blue}}.sveltecomponent-xyz.animated,.sveltecomponent-xyz .animated{animation:sveltecomponent-xyz-why 2s}
\ No newline at end of file
diff --git a/test/css/samples/media-query-word/expected.css b/test/css/samples/media-query-word/expected.css
index 592ba7e61ddb..f2079207e7a8 100644
--- a/test/css/samples/media-query-word/expected.css
+++ b/test/css/samples/media-query-word/expected.css
@@ -1 +1 @@
-@media only screen and (min-width: 400px){div.svelte-xyz,.svelte-xyz div{color:red}}
\ No newline at end of file
+@media only screen and (min-width: 400px){div.sveltecomponent-xyz,.sveltecomponent-xyz div{color:red}}
\ No newline at end of file
diff --git a/test/css/samples/media-query/expected.css b/test/css/samples/media-query/expected.css
index 689161de04c3..184685bfe7e6 100644
--- a/test/css/samples/media-query/expected.css
+++ b/test/css/samples/media-query/expected.css
@@ -1 +1 @@
-@media(min-width: 400px){.svelte-xyz.large-screen,.svelte-xyz .large-screen{display:block}}
\ No newline at end of file
+@media(min-width: 400px){.sveltecomponent-xyz.large-screen,.sveltecomponent-xyz .large-screen{display:block}}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css
index 4d1d8d14ff7c..1c777083927b 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css
@@ -1 +1 @@
-[data-foo*='bar'].svelte-xyz{color:red}
\ No newline at end of file
+[data-foo*='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html
index 5f113a0b1d90..782cd2e8f78c 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html
@@ -1,2 +1,2 @@
-<div><p class="svelte-xyz" data-foo="foobarbaz">this is styled</p>
+<div><p class="sveltecomponent-xyz" data-foo="foobarbaz">this is styled</p>
 	<p data-foo="fooBARbaz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css
index 80b6feebca1c..656235011ab2 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css
@@ -1 +1 @@
-[data-foo='bar' i].svelte-xyz{color:red}
\ No newline at end of file
+[data-foo='bar' i].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html
index c09c637c8b7c..753349dacfb0 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html
@@ -1,2 +1,2 @@
-<div><p class="svelte-xyz" data-foo="BAR">this is styled</p>
+<div><p class="sveltecomponent-xyz" data-foo="BAR">this is styled</p>
 	<p data-foo="BAZ">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css
index fd8a9a15eeb6..8bf688b41e26 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css
@@ -1 +1 @@
-[data-foo='bar'].svelte-xyz{color:red}
\ No newline at end of file
+[data-foo='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html
index 111d193a89c0..8812b911b527 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html
@@ -1,2 +1,2 @@
-<div><p class="svelte-xyz" data-foo="whatever">this is styled</p>
+<div><p class="sveltecomponent-xyz" data-foo="whatever">this is styled</p>
 	<p data-foo="baz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css
index fd8a9a15eeb6..8bf688b41e26 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css
@@ -1 +1 @@
-[data-foo='bar'].svelte-xyz{color:red}
\ No newline at end of file
+[data-foo='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html
index 745d610a6f22..2ae95e693257 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html
@@ -1,2 +1,2 @@
-<div><p class="svelte-xyz" data-foo="bar">this is styled</p>
+<div><p class="sveltecomponent-xyz" data-foo="bar">this is styled</p>
 	<p data-foo="baz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css
index 95f6faeb028e..2963ef5f19a7 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css
@@ -1 +1 @@
-[data-foo|='bar'].svelte-xyz{color:red}
\ No newline at end of file
+[data-foo|='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html
index 3045becd3b32..cd7c71651d55 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html
@@ -1,3 +1,3 @@
-<div><p class="svelte-xyz" data-foo="bar">this is styled</p>
-	<p class="svelte-xyz" data-foo="bar-baz">this is styled</p>
+<div><p class="sveltecomponent-xyz" data-foo="bar">this is styled</p>
+	<p class="sveltecomponent-xyz" data-foo="bar-baz">this is styled</p>
 	<p data-foo="baz-bar">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css
index 3a30f1f017e8..19bc70bb716d 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css
@@ -1 +1 @@
-[data-foo^='bar'].svelte-xyz{color:red}
\ No newline at end of file
+[data-foo^='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html
index 7a54f457440c..a37d2f7b5343 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html
@@ -1,2 +1,2 @@
-<div><p class="svelte-xyz" data-foo="barbaz">this is styled</p>
+<div><p class="sveltecomponent-xyz" data-foo="barbaz">this is styled</p>
 	<p data-foo="bazbar">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css
index de8d18cc3b33..25337233fff6 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css
@@ -1 +1 @@
-[data-foo$='bar'].svelte-xyz{color:red}
\ No newline at end of file
+[data-foo$='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html
index ba757d0bf2c9..82999a9860e0 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html
@@ -1,2 +1,2 @@
 <div><p data-foo="barbaz">this is unstyled</p>
-	<p class="svelte-xyz" data-foo="bazbar">this is styled</p></div>
\ No newline at end of file
+	<p class="sveltecomponent-xyz" data-foo="bazbar">this is styled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css
index fabcbade4df0..1f1ca80d11be 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css
@@ -1 +1 @@
-[data-foo~='bar'].svelte-xyz{color:red}
\ No newline at end of file
+[data-foo~='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html
index 49555ef404e0..40617b4a0059 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html
@@ -1,2 +1,2 @@
-<div><p class="svelte-xyz" data-foo="qux bar">this is styled</p>
+<div><p class="sveltecomponent-xyz" data-foo="qux bar">this is styled</p>
 	<p data-foo="qux baz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css
index ddb620207d2b..2d4a0f340abe 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css
@@ -1 +1 @@
-[autoplay].svelte-xyz{color:red}
\ No newline at end of file
+[autoplay].sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html
index 52175f98b660..0f8e4995ea46 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html
@@ -1,2 +1,2 @@
-<div><video class="svelte-xyz" autoplay></video>
+<div><video class="sveltecomponent-xyz" autoplay></video>
 	<video></video></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css
index 431f7041061e..225223f777ba 100644
--- a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css
+++ b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css
@@ -1 +1 @@
-.foo.svelte-xyz{color:red}
\ No newline at end of file
+.foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html
index 451140e6e105..35d58952b378 100644
--- a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html
+++ b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html
@@ -1,2 +1,2 @@
-<p class="whatever svelte-xyz">this is styled</p>
+<p class="whatever sveltecomponent-xyz">this is styled</p>
 <p class="bar">this is unstyled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-static/expected.css b/test/css/samples/omit-scoping-attribute-class-static/expected.css
index 431f7041061e..225223f777ba 100644
--- a/test/css/samples/omit-scoping-attribute-class-static/expected.css
+++ b/test/css/samples/omit-scoping-attribute-class-static/expected.css
@@ -1 +1 @@
-.foo.svelte-xyz{color:red}
\ No newline at end of file
+.foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-static/expected.html b/test/css/samples/omit-scoping-attribute-class-static/expected.html
index 7366cb3cfe11..1e89a5ae93ca 100644
--- a/test/css/samples/omit-scoping-attribute-class-static/expected.html
+++ b/test/css/samples/omit-scoping-attribute-class-static/expected.html
@@ -1,2 +1,2 @@
-<p class="foo svelte-xyz">this is styled</p>
+<p class="foo sveltecomponent-xyz">this is styled</p>
 <p class="bar">this is unstyled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css
index f3653403a5b9..aa5574dd8b78 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css
@@ -1 +1 @@
-.foo.svelte-xyz .bar{color:red}
\ No newline at end of file
+.foo.sveltecomponent-xyz .bar{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html
index cfad41216efe..08fc3a49b4b9 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html
@@ -1 +1 @@
-<div class="foo svelte-xyz"></div>
\ No newline at end of file
+<div class="foo sveltecomponent-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css
index 74e641549f0e..3d8ac73a32b1 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css
@@ -1 +1 @@
-div.svelte-xyz>p>em{color:red}
\ No newline at end of file
+div.sveltecomponent-xyz>p>em{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html
index be0c65091616..4d6d935c24b6 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html
@@ -1 +1 @@
-<div class="svelte-xyz"></div>
\ No newline at end of file
+<div class="sveltecomponent-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css
index 338c90ab19ca..f7636133be79 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css
@@ -1 +1 @@
-div.svelte-xyz>p{color:red}
\ No newline at end of file
+div.sveltecomponent-xyz>p{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html
index be0c65091616..4d6d935c24b6 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html
@@ -1 +1 @@
-<div class="svelte-xyz"></div>
\ No newline at end of file
+<div class="sveltecomponent-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css
index 5d1af4c251d3..f8188dc5b98c 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css
@@ -1 +1 @@
-div>section>p.svelte-xyz{color:red}
\ No newline at end of file
+div>section>p.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html
index 033f341a4b9e..e0c9a23fa31b 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html
@@ -1 +1 @@
-<p class="svelte-xyz">this may or may not be styled</p>
\ No newline at end of file
+<p class="sveltecomponent-xyz">this may or may not be styled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css
index 3666ce8f7fb2..bd882a79ee89 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css
@@ -1 +1 @@
-div>p.svelte-xyz{color:red}
\ No newline at end of file
+div>p.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html
index 033f341a4b9e..e0c9a23fa31b 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html
@@ -1 +1 @@
-<p class="svelte-xyz">this may or may not be styled</p>
\ No newline at end of file
+<p class="sveltecomponent-xyz">this may or may not be styled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-id/expected.css b/test/css/samples/omit-scoping-attribute-id/expected.css
index 0e9e9f8b2949..0d1cb3a79e23 100644
--- a/test/css/samples/omit-scoping-attribute-id/expected.css
+++ b/test/css/samples/omit-scoping-attribute-id/expected.css
@@ -1 +1 @@
-#foo.svelte-xyz{color:red}
\ No newline at end of file
+#foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-id/expected.html b/test/css/samples/omit-scoping-attribute-id/expected.html
index ce31b29b6e1e..3b58dda6a63e 100644
--- a/test/css/samples/omit-scoping-attribute-id/expected.html
+++ b/test/css/samples/omit-scoping-attribute-id/expected.html
@@ -1,2 +1,2 @@
-<div class="svelte-xyz" id="foo"></div>
+<div class="sveltecomponent-xyz" id="foo"></div>
 <div id="bar"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css
index 737870905c9a..b5e86f9bca84 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css
+++ b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css
@@ -1 +1 @@
-div.svelte-xyz section p.svelte-xyz{color:red}
\ No newline at end of file
+div.sveltecomponent-xyz section p.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html
index 53c470b0c197..78b04435a4cd 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html
+++ b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html
@@ -1 +1 @@
-<div class="svelte-xyz"><section><p class="svelte-xyz">this is styled</p></section></div>
\ No newline at end of file
+<div class="sveltecomponent-xyz"><section><p class="sveltecomponent-xyz">this is styled</p></section></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace/expected.css b/test/css/samples/omit-scoping-attribute-whitespace/expected.css
index f8ef9ca56cbf..bc02cff63890 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace/expected.css
+++ b/test/css/samples/omit-scoping-attribute-whitespace/expected.css
@@ -1 +1 @@
-div.svelte-xyz p.svelte-xyz{color:red}
\ No newline at end of file
+div.sveltecomponent-xyz p.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace/expected.html b/test/css/samples/omit-scoping-attribute-whitespace/expected.html
index 53c470b0c197..78b04435a4cd 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace/expected.html
+++ b/test/css/samples/omit-scoping-attribute-whitespace/expected.html
@@ -1 +1 @@
-<div class="svelte-xyz"><section><p class="svelte-xyz">this is styled</p></section></div>
\ No newline at end of file
+<div class="sveltecomponent-xyz"><section><p class="sveltecomponent-xyz">this is styled</p></section></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute/expected.css b/test/css/samples/omit-scoping-attribute/expected.css
index 5d8d69ac33a7..662e016e1e1a 100644
--- a/test/css/samples/omit-scoping-attribute/expected.css
+++ b/test/css/samples/omit-scoping-attribute/expected.css
@@ -1 +1 @@
-p.svelte-xyz{color:red}
\ No newline at end of file
+p.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute/expected.html b/test/css/samples/omit-scoping-attribute/expected.html
index 1bc4a66f62b8..a81360379418 100644
--- a/test/css/samples/omit-scoping-attribute/expected.html
+++ b/test/css/samples/omit-scoping-attribute/expected.html
@@ -1 +1 @@
-<div><p class="svelte-xyz">this is styled</p></div>
\ No newline at end of file
+<div><p class="sveltecomponent-xyz">this is styled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/refs-qualified/expected.css b/test/css/samples/refs-qualified/expected.css
index 90e58e2a8056..752cb35478cc 100644
--- a/test/css/samples/refs-qualified/expected.css
+++ b/test/css/samples/refs-qualified/expected.css
@@ -1 +1 @@
-[svelte-ref-button].active.svelte-xyz{color:red}
\ No newline at end of file
+[svelte-ref-button].active.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/refs-qualified/expected.html b/test/css/samples/refs-qualified/expected.html
index 536bae83f8ee..332ba4fe8544 100644
--- a/test/css/samples/refs-qualified/expected.html
+++ b/test/css/samples/refs-qualified/expected.html
@@ -1 +1 @@
-<button svelte-ref-button="" class="active svelte-xyz">deactivate</button>
\ No newline at end of file
+<button svelte-ref-button="" class="active sveltecomponent-xyz">deactivate</button>
\ No newline at end of file
diff --git a/test/css/samples/refs/expected.css b/test/css/samples/refs/expected.css
index c0018c9593e6..c7cb17dbc37a 100644
--- a/test/css/samples/refs/expected.css
+++ b/test/css/samples/refs/expected.css
@@ -1 +1 @@
-[svelte-ref-a].svelte-xyz{color:red}[svelte-ref-b].svelte-xyz{color:green}
\ No newline at end of file
+[svelte-ref-a].sveltecomponent-xyz{color:red}[svelte-ref-b].sveltecomponent-xyz{color:green}
\ No newline at end of file
diff --git a/test/css/samples/refs/expected.html b/test/css/samples/refs/expected.html
index 2b504628c381..ea3794c3d0ab 100644
--- a/test/css/samples/refs/expected.html
+++ b/test/css/samples/refs/expected.html
@@ -1,3 +1,3 @@
-<div class="svelte-xyz" svelte-ref-a=''></div>
-<div class="svelte-xyz" svelte-ref-b=''></div>
+<div class="sveltecomponent-xyz" svelte-ref-a=''></div>
+<div class="sveltecomponent-xyz" svelte-ref-b=''></div>
 <div></div>
\ No newline at end of file
diff --git a/test/css/samples/universal-selector/expected.css b/test/css/samples/universal-selector/expected.css
index 70eaaedf3ecc..7d5e7742780a 100644
--- a/test/css/samples/universal-selector/expected.css
+++ b/test/css/samples/universal-selector/expected.css
@@ -1 +1 @@
-.svelte-xyz,.svelte-xyz *{color:red}
\ No newline at end of file
+.sveltecomponent-xyz,.sveltecomponent-xyz *{color:red}
\ No newline at end of file
diff --git a/test/css/samples/unknown-at-rule/expected.css b/test/css/samples/unknown-at-rule/expected.css
index d175e2a80733..e000f55f2c16 100644
--- a/test/css/samples/unknown-at-rule/expected.css
+++ b/test/css/samples/unknown-at-rule/expected.css
@@ -1 +1 @@
-div.svelte-xyz,.svelte-xyz div{@apply --funky-div;}
\ No newline at end of file
+div.sveltecomponent-xyz,.sveltecomponent-xyz div{@apply --funky-div;}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-leading/expected.css b/test/css/samples/unused-selector-leading/expected.css
index ff57dc09b92f..badc3181d7d9 100644
--- a/test/css/samples/unused-selector-leading/expected.css
+++ b/test/css/samples/unused-selector-leading/expected.css
@@ -1 +1 @@
-.bar.svelte-xyz{color:red}
\ No newline at end of file
+.bar.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-leading/expected.html b/test/css/samples/unused-selector-leading/expected.html
index 3f3d680596ff..df383dbb487f 100644
--- a/test/css/samples/unused-selector-leading/expected.html
+++ b/test/css/samples/unused-selector-leading/expected.html
@@ -1 +1 @@
-<div class="bar svelte-xyz"></div>
\ No newline at end of file
+<div class="bar sveltecomponent-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-ternary/expected.css b/test/css/samples/unused-selector-ternary/expected.css
index 16fbddce586c..282226949ed1 100644
--- a/test/css/samples/unused-selector-ternary/expected.css
+++ b/test/css/samples/unused-selector-ternary/expected.css
@@ -1 +1 @@
-.active.svelte-xyz{color:red}.inactive.svelte-xyz{color:blue}
\ No newline at end of file
+.active.sveltecomponent-xyz{color:red}.inactive.sveltecomponent-xyz{color:blue}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-ternary/expected.html b/test/css/samples/unused-selector-ternary/expected.html
index 02fc551836dd..328e9cbafa8a 100644
--- a/test/css/samples/unused-selector-ternary/expected.html
+++ b/test/css/samples/unused-selector-ternary/expected.html
@@ -1 +1 @@
-<div class="active svelte-xyz"></div>
\ No newline at end of file
+<div class="active sveltecomponent-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/unused-selector/expected.css b/test/css/samples/unused-selector/expected.css
index 431f7041061e..225223f777ba 100644
--- a/test/css/samples/unused-selector/expected.css
+++ b/test/css/samples/unused-selector/expected.css
@@ -1 +1 @@
-.foo.svelte-xyz{color:red}
\ No newline at end of file
+.foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector/expected.html b/test/css/samples/unused-selector/expected.html
index cfad41216efe..08fc3a49b4b9 100644
--- a/test/css/samples/unused-selector/expected.html
+++ b/test/css/samples/unused-selector/expected.html
@@ -1 +1 @@
-<div class="foo svelte-xyz"></div>
\ No newline at end of file
+<div class="foo sveltecomponent-xyz"></div>
\ No newline at end of file
diff --git a/test/js/samples/collapses-text-around-comments/expected-bundle.js b/test/js/samples/collapses-text-around-comments/expected-bundle.js
index 410e8c372aab..40ab2bb688ae 100644
--- a/test/js/samples/collapses-text-around-comments/expected-bundle.js
+++ b/test/js/samples/collapses-text-around-comments/expected-bundle.js
@@ -196,8 +196,8 @@ function data() {
 
 function add_css() {
 	var style = createElement("style");
-	style.id = 'svelte-2794052100-style';
-	style.textContent = "p.svelte-2794052100,.svelte-2794052100 p{color:red}";
+	style.id = 'svelte-1a7i8ec-style';
+	style.textContent = "p.svelte-1a7i8ec,.svelte-1a7i8ec p{color:red}";
 	appendNode(style, document.head);
 }
 
@@ -212,7 +212,7 @@ function create_main_fragment(component, state) {
 		},
 
 		h: function hydrate() {
-			p.className = "svelte-2794052100";
+			p.className = "svelte-1a7i8ec";
 		},
 
 		m: function mount(target, anchor) {
@@ -238,7 +238,7 @@ function SvelteComponent(options) {
 	init(this, options);
 	this._state = assign(data(), options.data);
 
-	if (!document.getElementById("svelte-2794052100-style")) add_css();
+	if (!document.getElementById("svelte-1a7i8ec-style")) add_css();
 
 	this._fragment = create_main_fragment(this, this._state);
 
diff --git a/test/js/samples/collapses-text-around-comments/expected.js b/test/js/samples/collapses-text-around-comments/expected.js
index 92284fee0e17..f665658d508d 100644
--- a/test/js/samples/collapses-text-around-comments/expected.js
+++ b/test/js/samples/collapses-text-around-comments/expected.js
@@ -7,8 +7,8 @@ function data() {
 
 function add_css() {
 	var style = createElement("style");
-	style.id = 'svelte-2794052100-style';
-	style.textContent = "p.svelte-2794052100,.svelte-2794052100 p{color:red}";
+	style.id = 'svelte-1a7i8ec-style';
+	style.textContent = "p.svelte-1a7i8ec,.svelte-1a7i8ec p{color:red}";
 	appendNode(style, document.head);
 }
 
@@ -23,7 +23,7 @@ function create_main_fragment(component, state) {
 		},
 
 		h: function hydrate() {
-			p.className = "svelte-2794052100";
+			p.className = "svelte-1a7i8ec";
 		},
 
 		m: function mount(target, anchor) {
@@ -49,7 +49,7 @@ function SvelteComponent(options) {
 	init(this, options);
 	this._state = assign(data(), options.data);
 
-	if (!document.getElementById("svelte-2794052100-style")) add_css();
+	if (!document.getElementById("svelte-1a7i8ec-style")) add_css();
 
 	this._fragment = create_main_fragment(this, this._state);
 
diff --git a/test/js/samples/css-media-query/expected-bundle.js b/test/js/samples/css-media-query/expected-bundle.js
index 69474960bdf1..4b94ec52a249 100644
--- a/test/js/samples/css-media-query/expected-bundle.js
+++ b/test/js/samples/css-media-query/expected-bundle.js
@@ -188,8 +188,8 @@ var proto = {
 /* generated by Svelte vX.Y.Z */
 function add_css() {
 	var style = createElement("style");
-	style.id = 'svelte-3905933315-style';
-	style.textContent = "@media(min-width: 1px){div.svelte-3905933315,.svelte-3905933315 div{color:red}}";
+	style.id = 'svelte-1slhpfn-style';
+	style.textContent = "@media(min-width: 1px){div.svelte-1slhpfn,.svelte-1slhpfn div{color:red}}";
 	appendNode(style, document.head);
 }
 
@@ -203,7 +203,7 @@ function create_main_fragment(component, state) {
 		},
 
 		h: function hydrate() {
-			div.className = "svelte-3905933315";
+			div.className = "svelte-1slhpfn";
 		},
 
 		m: function mount(target, anchor) {
@@ -224,7 +224,7 @@ function SvelteComponent(options) {
 	init(this, options);
 	this._state = assign({}, options.data);
 
-	if (!document.getElementById("svelte-3905933315-style")) add_css();
+	if (!document.getElementById("svelte-1slhpfn-style")) add_css();
 
 	this._fragment = create_main_fragment(this, this._state);
 
diff --git a/test/js/samples/css-media-query/expected.js b/test/js/samples/css-media-query/expected.js
index 91b435832f80..63d0ab753c4f 100644
--- a/test/js/samples/css-media-query/expected.js
+++ b/test/js/samples/css-media-query/expected.js
@@ -3,8 +3,8 @@ import { appendNode, assign, createElement, detachNode, init, insertNode, noop,
 
 function add_css() {
 	var style = createElement("style");
-	style.id = 'svelte-3905933315-style';
-	style.textContent = "@media(min-width: 1px){div.svelte-3905933315,.svelte-3905933315 div{color:red}}";
+	style.id = 'svelte-1slhpfn-style';
+	style.textContent = "@media(min-width: 1px){div.svelte-1slhpfn,.svelte-1slhpfn div{color:red}}";
 	appendNode(style, document.head);
 }
 
@@ -18,7 +18,7 @@ function create_main_fragment(component, state) {
 		},
 
 		h: function hydrate() {
-			div.className = "svelte-3905933315";
+			div.className = "svelte-1slhpfn";
 		},
 
 		m: function mount(target, anchor) {
@@ -39,7 +39,7 @@ function SvelteComponent(options) {
 	init(this, options);
 	this._state = assign({}, options.data);
 
-	if (!document.getElementById("svelte-3905933315-style")) add_css();
+	if (!document.getElementById("svelte-1slhpfn-style")) add_css();
 
 	this._fragment = create_main_fragment(this, this._state);
 
diff --git a/test/server-side-rendering/samples/styles-nested/_actual.css b/test/server-side-rendering/samples/styles-nested/_actual.css
index 3098a0db498a..286971669a0a 100644
--- a/test/server-side-rendering/samples/styles-nested/_actual.css
+++ b/test/server-side-rendering/samples/styles-nested/_actual.css
@@ -1,2 +1,2 @@
-div.svelte-724714405,.svelte-724714405 div{color:red}
-div.svelte-300476157,.svelte-300476157 div{color:green}
\ No newline at end of file
+div.main-bzh57p,.main-bzh57p div{color:red}
+div.one-4yw8vx,.one-4yw8vx div{color:green}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles-nested/_actual.html b/test/server-side-rendering/samples/styles-nested/_actual.html
index d87b1743e795..f1916f553174 100644
--- a/test/server-side-rendering/samples/styles-nested/_actual.html
+++ b/test/server-side-rendering/samples/styles-nested/_actual.html
@@ -1,8 +1,8 @@
-<div class="svelte-724714405">red</div>
-<div class="svelte-300476157">green: foo</div>
+<div class="main-bzh57p">red</div>
+<div class="one-4yw8vx">green: foo</div>
 
 
 
-<div class="svelte-300476157">green: bar</div>
+<div class="one-4yw8vx">green: bar</div>
 
 
diff --git a/test/server-side-rendering/samples/styles-nested/_expected.css b/test/server-side-rendering/samples/styles-nested/_expected.css
index 3098a0db498a..286971669a0a 100644
--- a/test/server-side-rendering/samples/styles-nested/_expected.css
+++ b/test/server-side-rendering/samples/styles-nested/_expected.css
@@ -1,2 +1,2 @@
-div.svelte-724714405,.svelte-724714405 div{color:red}
-div.svelte-300476157,.svelte-300476157 div{color:green}
\ No newline at end of file
+div.main-bzh57p,.main-bzh57p div{color:red}
+div.one-4yw8vx,.one-4yw8vx div{color:green}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles-nested/_expected.html b/test/server-side-rendering/samples/styles-nested/_expected.html
index d87b1743e795..f1916f553174 100644
--- a/test/server-side-rendering/samples/styles-nested/_expected.html
+++ b/test/server-side-rendering/samples/styles-nested/_expected.html
@@ -1,8 +1,8 @@
-<div class="svelte-724714405">red</div>
-<div class="svelte-300476157">green: foo</div>
+<div class="main-bzh57p">red</div>
+<div class="one-4yw8vx">green: foo</div>
 
 
 
-<div class="svelte-300476157">green: bar</div>
+<div class="one-4yw8vx">green: bar</div>
 
 
diff --git a/test/server-side-rendering/samples/styles/_actual.css b/test/server-side-rendering/samples/styles/_actual.css
index f57e4a0568fb..61b7968326a2 100644
--- a/test/server-side-rendering/samples/styles/_actual.css
+++ b/test/server-side-rendering/samples/styles/_actual.css
@@ -1 +1 @@
-div.svelte-724714405,.svelte-724714405 div{color:red}
\ No newline at end of file
+div.main-bzh57p,.main-bzh57p div{color:red}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles/_actual.html b/test/server-side-rendering/samples/styles/_actual.html
index ea3eca6de6a0..41b64d952d1f 100644
--- a/test/server-side-rendering/samples/styles/_actual.html
+++ b/test/server-side-rendering/samples/styles/_actual.html
@@ -1 +1 @@
-<div class="svelte-724714405">red</div>
\ No newline at end of file
+<div class="main-bzh57p">red</div>
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles/_expected.css b/test/server-side-rendering/samples/styles/_expected.css
index f57e4a0568fb..61b7968326a2 100644
--- a/test/server-side-rendering/samples/styles/_expected.css
+++ b/test/server-side-rendering/samples/styles/_expected.css
@@ -1 +1 @@
-div.svelte-724714405,.svelte-724714405 div{color:red}
\ No newline at end of file
+div.main-bzh57p,.main-bzh57p div{color:red}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles/_expected.html b/test/server-side-rendering/samples/styles/_expected.html
index ea3eca6de6a0..41b64d952d1f 100644
--- a/test/server-side-rendering/samples/styles/_expected.html
+++ b/test/server-side-rendering/samples/styles/_expected.html
@@ -1 +1 @@
-<div class="svelte-724714405">red</div>
\ No newline at end of file
+<div class="main-bzh57p">red</div>
\ No newline at end of file
diff --git a/test/sourcemaps/samples/css-cascade-false/output.css b/test/sourcemaps/samples/css-cascade-false/output.css
index 976fe0b43d87..f12b3f22b9e1 100644
--- a/test/sourcemaps/samples/css-cascade-false/output.css
+++ b/test/sourcemaps/samples/css-cascade-false/output.css
@@ -1,2 +1,2 @@
-.foo.svelte-1719932608{color:red}
+.foo.svelte-sg04hs{color:red}
 /*# sourceMappingURL=output.css.map */
\ No newline at end of file
diff --git a/test/sourcemaps/samples/css-cascade-false/output.css.map b/test/sourcemaps/samples/css-cascade-false/output.css.map
index 19575fe72a15..23b5df6be310 100644
--- a/test/sourcemaps/samples/css-cascade-false/output.css.map
+++ b/test/sourcemaps/samples/css-cascade-false/output.css.map
@@ -8,5 +8,5 @@
     "<p class='foo'>red</p>\n\n<style>\n\t.foo {\n\t\tcolor: red;\n\t}\n</style>"
   ],
   "names": [],
-  "mappings": "AAGC,IAAI,kBAAC,CAAC,AACL,KAAK,CAAE,GAAG,AACX,CAAC"
+  "mappings": "AAGC,IAAI,cAAC,CAAC,AACL,KAAK,CAAE,GAAG,AACX,CAAC"
 }
\ No newline at end of file
diff --git a/test/sourcemaps/samples/css/output.css b/test/sourcemaps/samples/css/output.css
index e511c424eae0..7ac11b6e42e4 100644
--- a/test/sourcemaps/samples/css/output.css
+++ b/test/sourcemaps/samples/css/output.css
@@ -1,2 +1,2 @@
-.svelte-1719932608.foo,.svelte-1719932608 .foo{color:red}
+.svelte-sg04hs.foo,.svelte-sg04hs .foo{color:red}
 /*# sourceMappingURL=output.css.map */
\ No newline at end of file
diff --git a/test/sourcemaps/samples/css/output.css.map b/test/sourcemaps/samples/css/output.css.map
index 19df3abda0c4..bc5a58446ac2 100644
--- a/test/sourcemaps/samples/css/output.css.map
+++ b/test/sourcemaps/samples/css/output.css.map
@@ -8,5 +8,5 @@
     "<p class='foo'>red</p>\n\n<style>\n\t.foo {\n\t\tcolor: red;\n\t}\n</style>"
   ],
   "names": [],
-  "mappings": "AAGC,8CAAK,CAAC,AACL,KAAK,CAAE,GAAG,AACX,CAAC"
+  "mappings": "AAGC,sCAAK,CAAC,AACL,KAAK,CAAE,GAAG,AACX,CAAC"
 }
\ No newline at end of file

From 3f7f237a9a89ecb4d93576d85702cc58035a13ac Mon Sep 17 00:00:00 2001
From: Rich Harris <richard.a.harris@gmail.com>
Date: Wed, 7 Mar 2018 21:33:59 -0500
Subject: [PATCH 2/2] switch back to using svelte- instead of name-

---
 src/css/Stylesheet.ts                                       | 4 ++--
 src/index.ts                                                | 2 +-
 test/css/index.js                                           | 6 +++---
 test/css/samples/attribute-selector-only-name/expected.css  | 2 +-
 test/css/samples/attribute-selector-unquoted/expected.css   | 2 +-
 test/css/samples/basic/expected.css                         | 2 +-
 test/css/samples/cascade-false-empty-rule-dev/expected.css  | 2 +-
 .../css/samples/cascade-false-global-keyframes/expected.css | 2 +-
 .../samples/cascade-false-keyframes-from-to/expected.css    | 2 +-
 test/css/samples/cascade-false-keyframes/expected.css       | 2 +-
 test/css/samples/cascade-false-pseudo-element/expected.css  | 2 +-
 .../samples/cascade-false-universal-selector/expected.css   | 2 +-
 .../samples/cascade-false-universal-selector/expected.html  | 2 +-
 test/css/samples/cascade-false/expected.css                 | 2 +-
 test/css/samples/combinator-child/expected.css              | 2 +-
 test/css/samples/combinator-child/expected.html             | 2 +-
 test/css/samples/css-vars/expected.css                      | 2 +-
 .../descendant-selector-non-top-level-outer/expected.css    | 2 +-
 .../descendant-selector-non-top-level-outer/expected.html   | 2 +-
 test/css/samples/keyframes/expected.css                     | 2 +-
 test/css/samples/media-query-word/expected.css              | 2 +-
 test/css/samples/media-query/expected.css                   | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 4 ++--
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../omit-scoping-attribute-attribute-selector/expected.css  | 2 +-
 .../omit-scoping-attribute-attribute-selector/expected.html | 2 +-
 .../omit-scoping-attribute-class-dynamic/expected.css       | 2 +-
 .../omit-scoping-attribute-class-dynamic/expected.html      | 2 +-
 .../omit-scoping-attribute-class-static/expected.css        | 2 +-
 .../omit-scoping-attribute-class-static/expected.html       | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 .../expected.css                                            | 2 +-
 .../expected.html                                           | 2 +-
 test/css/samples/omit-scoping-attribute-id/expected.css     | 2 +-
 test/css/samples/omit-scoping-attribute-id/expected.html    | 2 +-
 .../omit-scoping-attribute-whitespace-multiple/expected.css | 2 +-
 .../expected.html                                           | 2 +-
 .../samples/omit-scoping-attribute-whitespace/expected.css  | 2 +-
 .../samples/omit-scoping-attribute-whitespace/expected.html | 2 +-
 test/css/samples/omit-scoping-attribute/expected.css        | 2 +-
 test/css/samples/omit-scoping-attribute/expected.html       | 2 +-
 test/css/samples/refs-qualified/expected.css                | 2 +-
 test/css/samples/refs-qualified/expected.html               | 2 +-
 test/css/samples/refs/expected.css                          | 2 +-
 test/css/samples/refs/expected.html                         | 4 ++--
 test/css/samples/universal-selector/expected.css            | 2 +-
 test/css/samples/unknown-at-rule/expected.css               | 2 +-
 test/css/samples/unused-selector-leading/expected.css       | 2 +-
 test/css/samples/unused-selector-leading/expected.html      | 2 +-
 test/css/samples/unused-selector-ternary/expected.css       | 2 +-
 test/css/samples/unused-selector-ternary/expected.html      | 2 +-
 test/css/samples/unused-selector/expected.css               | 2 +-
 test/css/samples/unused-selector/expected.html              | 2 +-
 .../server-side-rendering/samples/styles-nested/_actual.css | 4 ++--
 .../samples/styles-nested/_actual.html                      | 6 +++---
 .../samples/styles-nested/_expected.css                     | 4 ++--
 .../samples/styles-nested/_expected.html                    | 6 +++---
 test/server-side-rendering/samples/styles/_actual.css       | 2 +-
 test/server-side-rendering/samples/styles/_actual.html      | 2 +-
 test/server-side-rendering/samples/styles/_expected.css     | 2 +-
 test/server-side-rendering/samples/styles/_expected.html    | 2 +-
 82 files changed, 93 insertions(+), 93 deletions(-)

diff --git a/src/css/Stylesheet.ts b/src/css/Stylesheet.ts
index 4dfeb311fb16..3b37ca526e25 100644
--- a/src/css/Stylesheet.ts
+++ b/src/css/Stylesheet.ts
@@ -274,7 +274,7 @@ export default class Stylesheet {
 	children: (Rule|Atrule)[];
 	keyframes: Map<string, string>;
 
-	constructor(source: string, parsed: Parsed, name: string, filename: string, cascade: boolean, dev: boolean) {
+	constructor(source: string, parsed: Parsed, filename: string, cascade: boolean, dev: boolean) {
 		this.source = source;
 		this.parsed = parsed;
 		this.cascade = cascade;
@@ -285,7 +285,7 @@ export default class Stylesheet {
 		this.keyframes = new Map();
 
 		if (parsed.css && parsed.css.children.length) {
-			this.id = `${name ? name.toLowerCase() : 'svelte'}-${hash(parsed.css.content.styles)}`;
+			this.id = `svelte-${hash(parsed.css.content.styles)}`;
 
 			this.hasStyles = true;
 
diff --git a/src/index.ts b/src/index.ts
index f820cea85e4c..be62f0776364 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -116,7 +116,7 @@ export function compile(source: string, _options: CompileOptions) {
 		return;
 	}
 
-	const stylesheet = new Stylesheet(source, parsed, options.name, options.filename, options.cascade !== false, options.dev);
+	const stylesheet = new Stylesheet(source, parsed, options.filename, options.cascade !== false, options.dev);
 
 	validate(parsed, source, stylesheet, options);
 
diff --git a/test/css/index.js b/test/css/index.js
index 94f0db3dfe88..83b26ed498d3 100644
--- a/test/css/index.js
+++ b/test/css/index.js
@@ -95,7 +95,7 @@ describe('css', () => {
 				css: read(`test/css/samples/${dir}/expected.css`)
 			};
 
-			assert.equal(dom.css.replace(/sveltecomponent-[a-z0-9]+/g, 'sveltecomponent-xyz'), expected.css);
+			assert.equal(dom.css.replace(/svelte(-ref)?-[a-z0-9]+/g, (m, $1) => $1 ? m : 'svelte-xyz'), expected.css);
 
 			// verify that the right elements have scoping selectors
 			if (expected.html !== null) {
@@ -114,7 +114,7 @@ describe('css', () => {
 					fs.writeFileSync(`test/css/samples/${dir}/_actual.html`, html);
 
 					assert.equal(
-						normalizeHtml(window, html.replace(/sveltecomponent-[a-z0-9]+/g, 'sveltecomponent-xyz')),
+						normalizeHtml(window, html.replace(/svelte(-ref)?-[a-z0-9]+/g, (m, $1) => $1 ? m : 'svelte-xyz')),
 						normalizeHtml(window, expected.html)
 					);
 
@@ -133,7 +133,7 @@ describe('css', () => {
 					assert.equal(
 						normalizeHtml(
 							window,
-							component.render(config.data).html.replace(/sveltecomponent-[a-z0-9]+/g, 'sveltecomponent-xyz')
+							component.render(config.data).html.replace(/svelte(-ref)?-[a-z0-9]+/g, (m, $1) => $1 ? m : 'svelte-xyz')
 						),
 						normalizeHtml(window, expected.html)
 					);
diff --git a/test/css/samples/attribute-selector-only-name/expected.css b/test/css/samples/attribute-selector-only-name/expected.css
index 450d82d1764b..e2bbf5b48c59 100644
--- a/test/css/samples/attribute-selector-only-name/expected.css
+++ b/test/css/samples/attribute-selector-only-name/expected.css
@@ -1 +1 @@
-[foo].sveltecomponent-xyz{color:red}[baz].sveltecomponent-xyz{color:blue}
\ No newline at end of file
+[foo].svelte-xyz{color:red}[baz].svelte-xyz{color:blue}
\ No newline at end of file
diff --git a/test/css/samples/attribute-selector-unquoted/expected.css b/test/css/samples/attribute-selector-unquoted/expected.css
index 63b722d52e47..9f8f88a352eb 100644
--- a/test/css/samples/attribute-selector-unquoted/expected.css
+++ b/test/css/samples/attribute-selector-unquoted/expected.css
@@ -1 +1 @@
-[foo=bar].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[foo=bar].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/basic/expected.css b/test/css/samples/basic/expected.css
index 8a07144453cc..49670b1fd540 100644
--- a/test/css/samples/basic/expected.css
+++ b/test/css/samples/basic/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz,.sveltecomponent-xyz div{color:red}
\ No newline at end of file
+div.svelte-xyz,.svelte-xyz div{color:red}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-empty-rule-dev/expected.css b/test/css/samples/cascade-false-empty-rule-dev/expected.css
index 24cea55b6374..4013e47e5d3a 100644
--- a/test/css/samples/cascade-false-empty-rule-dev/expected.css
+++ b/test/css/samples/cascade-false-empty-rule-dev/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz{}
\ No newline at end of file
+.foo.svelte-xyz{}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-global-keyframes/expected.css b/test/css/samples/cascade-false-global-keyframes/expected.css
index b1c560ac7a16..8e716d136df4 100644
--- a/test/css/samples/cascade-false-global-keyframes/expected.css
+++ b/test/css/samples/cascade-false-global-keyframes/expected.css
@@ -1 +1 @@
-@keyframes why{0%{color:red}100%{color:blue}}.animated.sveltecomponent-xyz{animation:why 2s}.also-animated.sveltecomponent-xyz{animation:not-defined-here 2s}
\ No newline at end of file
+@keyframes why{0%{color:red}100%{color:blue}}.animated.svelte-xyz{animation:why 2s}.also-animated.svelte-xyz{animation:not-defined-here 2s}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-keyframes-from-to/expected.css b/test/css/samples/cascade-false-keyframes-from-to/expected.css
index e68bbbb2d1d2..c8ee60194c80 100644
--- a/test/css/samples/cascade-false-keyframes-from-to/expected.css
+++ b/test/css/samples/cascade-false-keyframes-from-to/expected.css
@@ -1 +1 @@
-@keyframes sveltecomponent-xyz-why{from{color:red}to{color:blue}}.animated.sveltecomponent-xyz{animation:sveltecomponent-xyz-why 2s}
\ No newline at end of file
+@keyframes svelte-xyz-why{from{color:red}to{color:blue}}.animated.svelte-xyz{animation:svelte-xyz-why 2s}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-keyframes/expected.css b/test/css/samples/cascade-false-keyframes/expected.css
index 81d89c3ea1b4..a6a1176dae46 100644
--- a/test/css/samples/cascade-false-keyframes/expected.css
+++ b/test/css/samples/cascade-false-keyframes/expected.css
@@ -1 +1 @@
-@keyframes sveltecomponent-xyz-why{0%{color:red}100%{color:blue}}.animated.sveltecomponent-xyz{animation:sveltecomponent-xyz-why 2s}.also-animated.sveltecomponent-xyz{animation:not-defined-here 2s}
\ No newline at end of file
+@keyframes svelte-xyz-why{0%{color:red}100%{color:blue}}.animated.svelte-xyz{animation:svelte-xyz-why 2s}.also-animated.svelte-xyz{animation:not-defined-here 2s}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-pseudo-element/expected.css b/test/css/samples/cascade-false-pseudo-element/expected.css
index b58ca97e2046..bb380d40417c 100644
--- a/test/css/samples/cascade-false-pseudo-element/expected.css
+++ b/test/css/samples/cascade-false-pseudo-element/expected.css
@@ -1 +1 @@
-span.sveltecomponent-xyz::after{content:'i am a pseudo-element'}span.sveltecomponent-xyz:first-child{color:red}span.sveltecomponent-xyz:last-child::after{color:blue}
\ No newline at end of file
+span.svelte-xyz::after{content:'i am a pseudo-element'}span.svelte-xyz:first-child{color:red}span.svelte-xyz:last-child::after{color:blue}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-universal-selector/expected.css b/test/css/samples/cascade-false-universal-selector/expected.css
index 1709f454f0cd..3eda95e44618 100644
--- a/test/css/samples/cascade-false-universal-selector/expected.css
+++ b/test/css/samples/cascade-false-universal-selector/expected.css
@@ -1 +1 @@
-.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/cascade-false-universal-selector/expected.html b/test/css/samples/cascade-false-universal-selector/expected.html
index 4d6d935c24b6..be0c65091616 100644
--- a/test/css/samples/cascade-false-universal-selector/expected.html
+++ b/test/css/samples/cascade-false-universal-selector/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/cascade-false/expected.css b/test/css/samples/cascade-false/expected.css
index 3df221a53d3d..797d245dde88 100644
--- a/test/css/samples/cascade-false/expected.css
+++ b/test/css/samples/cascade-false/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz{color:red}div.foo.sveltecomponent-xyz{color:blue}.foo.sveltecomponent-xyz{font-weight:bold}
\ No newline at end of file
+div.svelte-xyz{color:red}div.foo.svelte-xyz{color:blue}.foo.svelte-xyz{font-weight:bold}
\ No newline at end of file
diff --git a/test/css/samples/combinator-child/expected.css b/test/css/samples/combinator-child/expected.css
index ad993a2f8056..bf6d83d42f9c 100644
--- a/test/css/samples/combinator-child/expected.css
+++ b/test/css/samples/combinator-child/expected.css
@@ -1 +1 @@
-.test.sveltecomponent-xyz>div.sveltecomponent-xyz{color:#0af}
\ No newline at end of file
+.test.svelte-xyz>div.svelte-xyz{color:#0af}
\ No newline at end of file
diff --git a/test/css/samples/combinator-child/expected.html b/test/css/samples/combinator-child/expected.html
index 5d97f0554192..04af5650fe10 100644
--- a/test/css/samples/combinator-child/expected.html
+++ b/test/css/samples/combinator-child/expected.html
@@ -1 +1 @@
-<div class="test sveltecomponent-xyz"><div class="sveltecomponent-xyz">Testing...</div></div>
\ No newline at end of file
+<div class="test svelte-xyz"><div class="svelte-xyz">Testing...</div></div>
\ No newline at end of file
diff --git a/test/css/samples/css-vars/expected.css b/test/css/samples/css-vars/expected.css
index b009b4597b0a..1b3a42567a63 100644
--- a/test/css/samples/css-vars/expected.css
+++ b/test/css/samples/css-vars/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz,.sveltecomponent-xyz div{--test:10}
\ No newline at end of file
+div.svelte-xyz,.svelte-xyz div{--test:10}
\ No newline at end of file
diff --git a/test/css/samples/descendant-selector-non-top-level-outer/expected.css b/test/css/samples/descendant-selector-non-top-level-outer/expected.css
index 17589c929900..3817f75ebab4 100644
--- a/test/css/samples/descendant-selector-non-top-level-outer/expected.css
+++ b/test/css/samples/descendant-selector-non-top-level-outer/expected.css
@@ -1 +1 @@
-p.sveltecomponent-xyz span.sveltecomponent-xyz{color:red}
\ No newline at end of file
+p.svelte-xyz span.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/descendant-selector-non-top-level-outer/expected.html b/test/css/samples/descendant-selector-non-top-level-outer/expected.html
index 782831e9ce33..733f71343a2d 100644
--- a/test/css/samples/descendant-selector-non-top-level-outer/expected.html
+++ b/test/css/samples/descendant-selector-non-top-level-outer/expected.html
@@ -1 +1 @@
-<div><p class="sveltecomponent-xyz"><span class="sveltecomponent-xyz">styled</span></p></div>
\ No newline at end of file
+<div><p class="svelte-xyz"><span class="svelte-xyz">styled</span></p></div>
\ No newline at end of file
diff --git a/test/css/samples/keyframes/expected.css b/test/css/samples/keyframes/expected.css
index 8bf03c9827b1..810ba8775131 100644
--- a/test/css/samples/keyframes/expected.css
+++ b/test/css/samples/keyframes/expected.css
@@ -1 +1 @@
-@keyframes sveltecomponent-xyz-why{0%{color:red}100%{color:blue}}.sveltecomponent-xyz.animated,.sveltecomponent-xyz .animated{animation:sveltecomponent-xyz-why 2s}
\ No newline at end of file
+@keyframes svelte-xyz-why{0%{color:red}100%{color:blue}}.svelte-xyz.animated,.svelte-xyz .animated{animation:svelte-xyz-why 2s}
\ No newline at end of file
diff --git a/test/css/samples/media-query-word/expected.css b/test/css/samples/media-query-word/expected.css
index f2079207e7a8..592ba7e61ddb 100644
--- a/test/css/samples/media-query-word/expected.css
+++ b/test/css/samples/media-query-word/expected.css
@@ -1 +1 @@
-@media only screen and (min-width: 400px){div.sveltecomponent-xyz,.sveltecomponent-xyz div{color:red}}
\ No newline at end of file
+@media only screen and (min-width: 400px){div.svelte-xyz,.svelte-xyz div{color:red}}
\ No newline at end of file
diff --git a/test/css/samples/media-query/expected.css b/test/css/samples/media-query/expected.css
index 184685bfe7e6..689161de04c3 100644
--- a/test/css/samples/media-query/expected.css
+++ b/test/css/samples/media-query/expected.css
@@ -1 +1 @@
-@media(min-width: 400px){.sveltecomponent-xyz.large-screen,.sveltecomponent-xyz .large-screen{display:block}}
\ No newline at end of file
+@media(min-width: 400px){.svelte-xyz.large-screen,.svelte-xyz .large-screen{display:block}}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css
index 1c777083927b..4d1d8d14ff7c 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.css
@@ -1 +1 @@
-[data-foo*='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo*='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html
index 782cd2e8f78c..5f113a0b1d90 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-contains/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="foobarbaz">this is styled</p>
+<div><p class="svelte-xyz" data-foo="foobarbaz">this is styled</p>
 	<p data-foo="fooBARbaz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css
index 656235011ab2..80b6feebca1c 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.css
@@ -1 +1 @@
-[data-foo='bar' i].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo='bar' i].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html
index 753349dacfb0..c09c637c8b7c 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-case-insensitive/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="BAR">this is styled</p>
+<div><p class="svelte-xyz" data-foo="BAR">this is styled</p>
 	<p data-foo="BAZ">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css
index 8bf688b41e26..fd8a9a15eeb6 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.css
@@ -1 +1 @@
-[data-foo='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html
index 8812b911b527..111d193a89c0 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals-dynamic/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="whatever">this is styled</p>
+<div><p class="svelte-xyz" data-foo="whatever">this is styled</p>
 	<p data-foo="baz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css
index 8bf688b41e26..fd8a9a15eeb6 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.css
@@ -1 +1 @@
-[data-foo='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html
index 2ae95e693257..745d610a6f22 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-equals/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="bar">this is styled</p>
+<div><p class="svelte-xyz" data-foo="bar">this is styled</p>
 	<p data-foo="baz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css
index 2963ef5f19a7..95f6faeb028e 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.css
@@ -1 +1 @@
-[data-foo|='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo|='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html
index cd7c71651d55..3045becd3b32 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-pipe-equals/expected.html
@@ -1,3 +1,3 @@
-<div><p class="sveltecomponent-xyz" data-foo="bar">this is styled</p>
-	<p class="sveltecomponent-xyz" data-foo="bar-baz">this is styled</p>
+<div><p class="svelte-xyz" data-foo="bar">this is styled</p>
+	<p class="svelte-xyz" data-foo="bar-baz">this is styled</p>
 	<p data-foo="baz-bar">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css
index 19bc70bb716d..3a30f1f017e8 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.css
@@ -1 +1 @@
-[data-foo^='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo^='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html
index a37d2f7b5343..7a54f457440c 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-prefix/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="barbaz">this is styled</p>
+<div><p class="svelte-xyz" data-foo="barbaz">this is styled</p>
 	<p data-foo="bazbar">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css
index 25337233fff6..de8d18cc3b33 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.css
@@ -1 +1 @@
-[data-foo$='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo$='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html
index 82999a9860e0..ba757d0bf2c9 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-suffix/expected.html
@@ -1,2 +1,2 @@
 <div><p data-foo="barbaz">this is unstyled</p>
-	<p class="sveltecomponent-xyz" data-foo="bazbar">this is styled</p></div>
\ No newline at end of file
+	<p class="svelte-xyz" data-foo="bazbar">this is styled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css
index 1f1ca80d11be..fabcbade4df0 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.css
@@ -1 +1 @@
-[data-foo~='bar'].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[data-foo~='bar'].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html
index 40617b4a0059..49555ef404e0 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector-word-equals/expected.html
@@ -1,2 +1,2 @@
-<div><p class="sveltecomponent-xyz" data-foo="qux bar">this is styled</p>
+<div><p class="svelte-xyz" data-foo="qux bar">this is styled</p>
 	<p data-foo="qux baz">this is unstyled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css
index 2d4a0f340abe..ddb620207d2b 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.css
@@ -1 +1 @@
-[autoplay].sveltecomponent-xyz{color:red}
\ No newline at end of file
+[autoplay].svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html
index 0f8e4995ea46..52175f98b660 100644
--- a/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html
+++ b/test/css/samples/omit-scoping-attribute-attribute-selector/expected.html
@@ -1,2 +1,2 @@
-<div><video class="sveltecomponent-xyz" autoplay></video>
+<div><video class="svelte-xyz" autoplay></video>
 	<video></video></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css
index 225223f777ba..431f7041061e 100644
--- a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css
+++ b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.foo.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html
index 35d58952b378..451140e6e105 100644
--- a/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html
+++ b/test/css/samples/omit-scoping-attribute-class-dynamic/expected.html
@@ -1,2 +1,2 @@
-<p class="whatever sveltecomponent-xyz">this is styled</p>
+<p class="whatever svelte-xyz">this is styled</p>
 <p class="bar">this is unstyled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-static/expected.css b/test/css/samples/omit-scoping-attribute-class-static/expected.css
index 225223f777ba..431f7041061e 100644
--- a/test/css/samples/omit-scoping-attribute-class-static/expected.css
+++ b/test/css/samples/omit-scoping-attribute-class-static/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.foo.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-class-static/expected.html b/test/css/samples/omit-scoping-attribute-class-static/expected.html
index 1e89a5ae93ca..7366cb3cfe11 100644
--- a/test/css/samples/omit-scoping-attribute-class-static/expected.html
+++ b/test/css/samples/omit-scoping-attribute-class-static/expected.html
@@ -1,2 +1,2 @@
-<p class="foo sveltecomponent-xyz">this is styled</p>
+<p class="foo svelte-xyz">this is styled</p>
 <p class="bar">this is unstyled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css
index aa5574dd8b78..f3653403a5b9 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz .bar{color:red}
\ No newline at end of file
+.foo.svelte-xyz .bar{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html
index 08fc3a49b4b9..cfad41216efe 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-class/expected.html
@@ -1 +1 @@
-<div class="foo sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="foo svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css
index 3d8ac73a32b1..74e641549f0e 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz>p>em{color:red}
\ No newline at end of file
+div.svelte-xyz>p>em{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html
index 4d6d935c24b6..be0c65091616 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner-multiple/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css
index f7636133be79..338c90ab19ca 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz>p{color:red}
\ No newline at end of file
+div.svelte-xyz>p{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html
index 4d6d935c24b6..be0c65091616 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-inner/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css
index f8188dc5b98c..5d1af4c251d3 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.css
@@ -1 +1 @@
-div>section>p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+div>section>p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html
index e0c9a23fa31b..033f341a4b9e 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer-multiple/expected.html
@@ -1 +1 @@
-<p class="sveltecomponent-xyz">this may or may not be styled</p>
\ No newline at end of file
+<p class="svelte-xyz">this may or may not be styled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css
index bd882a79ee89..3666ce8f7fb2 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.css
@@ -1 +1 @@
-div>p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+div>p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html
index e0c9a23fa31b..033f341a4b9e 100644
--- a/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html
+++ b/test/css/samples/omit-scoping-attribute-descendant-global-outer/expected.html
@@ -1 +1 @@
-<p class="sveltecomponent-xyz">this may or may not be styled</p>
\ No newline at end of file
+<p class="svelte-xyz">this may or may not be styled</p>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-id/expected.css b/test/css/samples/omit-scoping-attribute-id/expected.css
index 0d1cb3a79e23..0e9e9f8b2949 100644
--- a/test/css/samples/omit-scoping-attribute-id/expected.css
+++ b/test/css/samples/omit-scoping-attribute-id/expected.css
@@ -1 +1 @@
-#foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
+#foo.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-id/expected.html b/test/css/samples/omit-scoping-attribute-id/expected.html
index 3b58dda6a63e..ce31b29b6e1e 100644
--- a/test/css/samples/omit-scoping-attribute-id/expected.html
+++ b/test/css/samples/omit-scoping-attribute-id/expected.html
@@ -1,2 +1,2 @@
-<div class="sveltecomponent-xyz" id="foo"></div>
+<div class="svelte-xyz" id="foo"></div>
 <div id="bar"></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css
index b5e86f9bca84..737870905c9a 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css
+++ b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz section p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+div.svelte-xyz section p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html
index 78b04435a4cd..53c470b0c197 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html
+++ b/test/css/samples/omit-scoping-attribute-whitespace-multiple/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"><section><p class="sveltecomponent-xyz">this is styled</p></section></div>
\ No newline at end of file
+<div class="svelte-xyz"><section><p class="svelte-xyz">this is styled</p></section></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace/expected.css b/test/css/samples/omit-scoping-attribute-whitespace/expected.css
index bc02cff63890..f8ef9ca56cbf 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace/expected.css
+++ b/test/css/samples/omit-scoping-attribute-whitespace/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+div.svelte-xyz p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute-whitespace/expected.html b/test/css/samples/omit-scoping-attribute-whitespace/expected.html
index 78b04435a4cd..53c470b0c197 100644
--- a/test/css/samples/omit-scoping-attribute-whitespace/expected.html
+++ b/test/css/samples/omit-scoping-attribute-whitespace/expected.html
@@ -1 +1 @@
-<div class="sveltecomponent-xyz"><section><p class="sveltecomponent-xyz">this is styled</p></section></div>
\ No newline at end of file
+<div class="svelte-xyz"><section><p class="svelte-xyz">this is styled</p></section></div>
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute/expected.css b/test/css/samples/omit-scoping-attribute/expected.css
index 662e016e1e1a..5d8d69ac33a7 100644
--- a/test/css/samples/omit-scoping-attribute/expected.css
+++ b/test/css/samples/omit-scoping-attribute/expected.css
@@ -1 +1 @@
-p.sveltecomponent-xyz{color:red}
\ No newline at end of file
+p.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/omit-scoping-attribute/expected.html b/test/css/samples/omit-scoping-attribute/expected.html
index a81360379418..1bc4a66f62b8 100644
--- a/test/css/samples/omit-scoping-attribute/expected.html
+++ b/test/css/samples/omit-scoping-attribute/expected.html
@@ -1 +1 @@
-<div><p class="sveltecomponent-xyz">this is styled</p></div>
\ No newline at end of file
+<div><p class="svelte-xyz">this is styled</p></div>
\ No newline at end of file
diff --git a/test/css/samples/refs-qualified/expected.css b/test/css/samples/refs-qualified/expected.css
index 752cb35478cc..90e58e2a8056 100644
--- a/test/css/samples/refs-qualified/expected.css
+++ b/test/css/samples/refs-qualified/expected.css
@@ -1 +1 @@
-[svelte-ref-button].active.sveltecomponent-xyz{color:red}
\ No newline at end of file
+[svelte-ref-button].active.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/refs-qualified/expected.html b/test/css/samples/refs-qualified/expected.html
index 332ba4fe8544..536bae83f8ee 100644
--- a/test/css/samples/refs-qualified/expected.html
+++ b/test/css/samples/refs-qualified/expected.html
@@ -1 +1 @@
-<button svelte-ref-button="" class="active sveltecomponent-xyz">deactivate</button>
\ No newline at end of file
+<button svelte-ref-button="" class="active svelte-xyz">deactivate</button>
\ No newline at end of file
diff --git a/test/css/samples/refs/expected.css b/test/css/samples/refs/expected.css
index c7cb17dbc37a..c0018c9593e6 100644
--- a/test/css/samples/refs/expected.css
+++ b/test/css/samples/refs/expected.css
@@ -1 +1 @@
-[svelte-ref-a].sveltecomponent-xyz{color:red}[svelte-ref-b].sveltecomponent-xyz{color:green}
\ No newline at end of file
+[svelte-ref-a].svelte-xyz{color:red}[svelte-ref-b].svelte-xyz{color:green}
\ No newline at end of file
diff --git a/test/css/samples/refs/expected.html b/test/css/samples/refs/expected.html
index ea3794c3d0ab..2b504628c381 100644
--- a/test/css/samples/refs/expected.html
+++ b/test/css/samples/refs/expected.html
@@ -1,3 +1,3 @@
-<div class="sveltecomponent-xyz" svelte-ref-a=''></div>
-<div class="sveltecomponent-xyz" svelte-ref-b=''></div>
+<div class="svelte-xyz" svelte-ref-a=''></div>
+<div class="svelte-xyz" svelte-ref-b=''></div>
 <div></div>
\ No newline at end of file
diff --git a/test/css/samples/universal-selector/expected.css b/test/css/samples/universal-selector/expected.css
index 7d5e7742780a..70eaaedf3ecc 100644
--- a/test/css/samples/universal-selector/expected.css
+++ b/test/css/samples/universal-selector/expected.css
@@ -1 +1 @@
-.sveltecomponent-xyz,.sveltecomponent-xyz *{color:red}
\ No newline at end of file
+.svelte-xyz,.svelte-xyz *{color:red}
\ No newline at end of file
diff --git a/test/css/samples/unknown-at-rule/expected.css b/test/css/samples/unknown-at-rule/expected.css
index e000f55f2c16..d175e2a80733 100644
--- a/test/css/samples/unknown-at-rule/expected.css
+++ b/test/css/samples/unknown-at-rule/expected.css
@@ -1 +1 @@
-div.sveltecomponent-xyz,.sveltecomponent-xyz div{@apply --funky-div;}
\ No newline at end of file
+div.svelte-xyz,.svelte-xyz div{@apply --funky-div;}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-leading/expected.css b/test/css/samples/unused-selector-leading/expected.css
index badc3181d7d9..ff57dc09b92f 100644
--- a/test/css/samples/unused-selector-leading/expected.css
+++ b/test/css/samples/unused-selector-leading/expected.css
@@ -1 +1 @@
-.bar.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.bar.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-leading/expected.html b/test/css/samples/unused-selector-leading/expected.html
index df383dbb487f..3f3d680596ff 100644
--- a/test/css/samples/unused-selector-leading/expected.html
+++ b/test/css/samples/unused-selector-leading/expected.html
@@ -1 +1 @@
-<div class="bar sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="bar svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-ternary/expected.css b/test/css/samples/unused-selector-ternary/expected.css
index 282226949ed1..16fbddce586c 100644
--- a/test/css/samples/unused-selector-ternary/expected.css
+++ b/test/css/samples/unused-selector-ternary/expected.css
@@ -1 +1 @@
-.active.sveltecomponent-xyz{color:red}.inactive.sveltecomponent-xyz{color:blue}
\ No newline at end of file
+.active.svelte-xyz{color:red}.inactive.svelte-xyz{color:blue}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector-ternary/expected.html b/test/css/samples/unused-selector-ternary/expected.html
index 328e9cbafa8a..02fc551836dd 100644
--- a/test/css/samples/unused-selector-ternary/expected.html
+++ b/test/css/samples/unused-selector-ternary/expected.html
@@ -1 +1 @@
-<div class="active sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="active svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/css/samples/unused-selector/expected.css b/test/css/samples/unused-selector/expected.css
index 225223f777ba..431f7041061e 100644
--- a/test/css/samples/unused-selector/expected.css
+++ b/test/css/samples/unused-selector/expected.css
@@ -1 +1 @@
-.foo.sveltecomponent-xyz{color:red}
\ No newline at end of file
+.foo.svelte-xyz{color:red}
\ No newline at end of file
diff --git a/test/css/samples/unused-selector/expected.html b/test/css/samples/unused-selector/expected.html
index 08fc3a49b4b9..cfad41216efe 100644
--- a/test/css/samples/unused-selector/expected.html
+++ b/test/css/samples/unused-selector/expected.html
@@ -1 +1 @@
-<div class="foo sveltecomponent-xyz"></div>
\ No newline at end of file
+<div class="foo svelte-xyz"></div>
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles-nested/_actual.css b/test/server-side-rendering/samples/styles-nested/_actual.css
index 286971669a0a..737a93edff29 100644
--- a/test/server-side-rendering/samples/styles-nested/_actual.css
+++ b/test/server-side-rendering/samples/styles-nested/_actual.css
@@ -1,2 +1,2 @@
-div.main-bzh57p,.main-bzh57p div{color:red}
-div.one-4yw8vx,.one-4yw8vx div{color:green}
\ No newline at end of file
+div.svelte-bzh57p,.svelte-bzh57p div{color:red}
+div.svelte-4yw8vx,.svelte-4yw8vx div{color:green}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles-nested/_actual.html b/test/server-side-rendering/samples/styles-nested/_actual.html
index f1916f553174..2227662e25d7 100644
--- a/test/server-side-rendering/samples/styles-nested/_actual.html
+++ b/test/server-side-rendering/samples/styles-nested/_actual.html
@@ -1,8 +1,8 @@
-<div class="main-bzh57p">red</div>
-<div class="one-4yw8vx">green: foo</div>
+<div class="svelte-bzh57p">red</div>
+<div class="svelte-4yw8vx">green: foo</div>
 
 
 
-<div class="one-4yw8vx">green: bar</div>
+<div class="svelte-4yw8vx">green: bar</div>
 
 
diff --git a/test/server-side-rendering/samples/styles-nested/_expected.css b/test/server-side-rendering/samples/styles-nested/_expected.css
index 286971669a0a..737a93edff29 100644
--- a/test/server-side-rendering/samples/styles-nested/_expected.css
+++ b/test/server-side-rendering/samples/styles-nested/_expected.css
@@ -1,2 +1,2 @@
-div.main-bzh57p,.main-bzh57p div{color:red}
-div.one-4yw8vx,.one-4yw8vx div{color:green}
\ No newline at end of file
+div.svelte-bzh57p,.svelte-bzh57p div{color:red}
+div.svelte-4yw8vx,.svelte-4yw8vx div{color:green}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles-nested/_expected.html b/test/server-side-rendering/samples/styles-nested/_expected.html
index f1916f553174..2227662e25d7 100644
--- a/test/server-side-rendering/samples/styles-nested/_expected.html
+++ b/test/server-side-rendering/samples/styles-nested/_expected.html
@@ -1,8 +1,8 @@
-<div class="main-bzh57p">red</div>
-<div class="one-4yw8vx">green: foo</div>
+<div class="svelte-bzh57p">red</div>
+<div class="svelte-4yw8vx">green: foo</div>
 
 
 
-<div class="one-4yw8vx">green: bar</div>
+<div class="svelte-4yw8vx">green: bar</div>
 
 
diff --git a/test/server-side-rendering/samples/styles/_actual.css b/test/server-side-rendering/samples/styles/_actual.css
index 61b7968326a2..f54b1b3d5099 100644
--- a/test/server-side-rendering/samples/styles/_actual.css
+++ b/test/server-side-rendering/samples/styles/_actual.css
@@ -1 +1 @@
-div.main-bzh57p,.main-bzh57p div{color:red}
\ No newline at end of file
+div.svelte-bzh57p,.svelte-bzh57p div{color:red}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles/_actual.html b/test/server-side-rendering/samples/styles/_actual.html
index 41b64d952d1f..4c164bd84404 100644
--- a/test/server-side-rendering/samples/styles/_actual.html
+++ b/test/server-side-rendering/samples/styles/_actual.html
@@ -1 +1 @@
-<div class="main-bzh57p">red</div>
\ No newline at end of file
+<div class="svelte-bzh57p">red</div>
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles/_expected.css b/test/server-side-rendering/samples/styles/_expected.css
index 61b7968326a2..f54b1b3d5099 100644
--- a/test/server-side-rendering/samples/styles/_expected.css
+++ b/test/server-side-rendering/samples/styles/_expected.css
@@ -1 +1 @@
-div.main-bzh57p,.main-bzh57p div{color:red}
\ No newline at end of file
+div.svelte-bzh57p,.svelte-bzh57p div{color:red}
\ No newline at end of file
diff --git a/test/server-side-rendering/samples/styles/_expected.html b/test/server-side-rendering/samples/styles/_expected.html
index 41b64d952d1f..4c164bd84404 100644
--- a/test/server-side-rendering/samples/styles/_expected.html
+++ b/test/server-side-rendering/samples/styles/_expected.html
@@ -1 +1 @@
-<div class="main-bzh57p">red</div>
\ No newline at end of file
+<div class="svelte-bzh57p">red</div>
\ No newline at end of file