fix(api): rename idFilter to filter to avoid confusion

.changeset/ninety-squids-lead.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/vite-plugin-svelte': patch
+---
+
+fix(api): add `api.filter` and deprecate `api.idFilter` to avoid confusing `filter.id = idFilter.id` assignments when used as hybrid filter in other plugins

docs/advanced-usage.md

@@ -19,7 +19,7 @@ function mySvelteTransform() {
     configResolved(c) {
       // optional, use the exact same id filter as vite-plugin-svelte itself
       const svelteIdFilter = c.plugins.find((p) => p.name === 'vite-plugin-svelte:config').api
-        .idFilter;
+        .filter.id;
       plugin.transform.filter.id = svelteIdFilter;
     },
     transform: {

packages/vite-plugin-svelte/src/plugins/compile.js

@@ -20,7 +20,7 @@ export function compile(api) {
 		name: 'vite-plugin-svelte:compile',
 		configResolved() {
 			//@ts-expect-error defined below but filter not in type
-			plugin.transform.filter = api.idFilter;
+			plugin.transform.filter = api.filter;
 			options = api.options;
 			compileSvelte = api.compileSvelte;
 		},

packages/vite-plugin-svelte/src/plugins/configure.js

@@ -71,8 +71,8 @@ export function configure(api, inlineOptions) {
 					api.options.stats = new VitePluginSvelteStats();
 				}
 
-				api.idFilter = buildIdFilter(options);
-
+				api.filter = buildIdFilter(options);
+				api.idFilter = api.filter;
 				api.idParser = buildIdParser(options);
 				api.compileSvelte = createCompileSvelte();
 				log.debug('resolved options', api.options, 'config');

packages/vite-plugin-svelte/src/plugins/hot-update.js

@@ -34,12 +34,12 @@ export function hotUpdate(api) {
 			plugin.transform.filter = {
 				id: {
 					// reinclude virtual styles to get their output
-					include: [...api.idFilter.id.include, SVELTE_VIRTUAL_STYLE_ID_REGEX],
+					include: [...api.filter.id.include, SVELTE_VIRTUAL_STYLE_ID_REGEX],
 					exclude: [
 						// ignore files in node_modules, we don't hot update them
 						/\/node_modules\//,
 						// remove style exclusion
-						...api.idFilter.id.exclude.filter((filter) => filter !== SVELTE_VIRTUAL_STYLE_ID_REGEX)
+						...api.filter.id.exclude.filter((filter) => filter !== SVELTE_VIRTUAL_STYLE_ID_REGEX)
 					]
 				}
 			};

packages/vite-plugin-svelte/src/plugins/load-custom.js

@@ -15,7 +15,7 @@ export function loadCustom(api) {
 		enforce: 'pre', // must come before vites own asset handling or custom extensions like .svg won't work
 		configResolved() {
 			//@ts-expect-error load defined below but filter not in type
-			plugin.load.filter = api.idFilter;
+			plugin.load.filter = api.filter;
 		},
 
 		load: {

packages/vite-plugin-svelte/src/plugins/preprocess.js

@@ -32,7 +32,7 @@ export function preprocess(api) {
 		enforce: 'pre',
 		configResolved(c) {
 			//@ts-expect-error defined below but filter not in type
-			plugin.transform.filter = api.idFilter;
+			plugin.transform.filter = api.filter;
 			options = api.options;
 			if (arraify(options.preprocess).length > 0) {
 				preprocessSvelte = createPreprocessSvelte(options, c);

packages/vite-plugin-svelte/src/types/plugin-api.d.ts

@@ -4,7 +4,12 @@ import type { CompileSvelte } from './compile.d.ts';
 
 export interface PluginAPI {
 	options: ResolvedOptions;
-	idFilter: IdFilter;
+	filter: IdFilter;
 	idParser: IdParser;
 	compileSvelte: CompileSvelte;
+	/**
+	 * @deprecated  use 'filter' instead
+	 * // TODO remove in next major
+	 */
+	idFilter: IdFilter;
 }