fix: handle optional alloy component files

package.json

@@ -42,7 +42,7 @@
 		"@rollup/plugin-node-resolve": "^15.0.1",
 		"acorn": "^8.2.4",
 		"alloy-compiler": "0.2.7",
-		"alloy-utils": "^0.2.5",
+		"alloy-utils": "^0.2.7",
 		"chalk": "^4.1.2",
 		"debug": "^4.3.1",
 		"esbuild": "^0.11.12",

src/node/plugins/alloy/component.ts

@@ -1,15 +1,17 @@
 import path from 'path';
 import qs from 'querystring';
+import fs from 'fs-extra';
 import { createFilter } from '@rollup/pluginutils';
 import { ResolvedId } from 'rollup';
 import { ModuleNode, Plugin, ResolvedConfig, ViteDevServer } from 'vite';
 
-import { stripBase } from '../../utils/vite.js';
+import { cleanUrl, stripBase } from '../../utils/vite.js';
 import { AlloyContext } from './context';
 
 const controllerRE =
 	/(?:[/\\]widgets[/\\]([^/\\]+))?[/\\](?:controllers)[/\\](.*)/;
 const EMPTY_EXPORT = 'export default {}';
+const VIEW_ONLY_PREFIX = '\0alloyview:';
 
 interface AlloyQuery {
 	alloy?: boolean;
@@ -70,6 +72,20 @@ export function componentPlugin(ctx: AlloyContext): Plugin {
 						importer,
 						{ skipSelf: true }
 					);
+					if (!result) {
+						// No controller found, but maybe there is a view only
+						const view = await this.resolve(
+							path.join(appDir, 'views', `${componentId}.xml`),
+							importer,
+							{ skipSelf: true }
+						);
+						if (view) {
+							return (
+								VIEW_ONLY_PREFIX +
+								view.id.replace('/app/views/', '/app/controllers/')
+							);
+						}
+					}
 				}
 				if (result) {
 					return result.id;
@@ -78,6 +94,11 @@ export function componentPlugin(ctx: AlloyContext): Plugin {
 		},
 
 		async load(id) {
+			if (id.startsWith(VIEW_ONLY_PREFIX)) {
+				console.log('Load view only controller');
+				return '';
+			}
+
 			const { filename, query } = parseAlloyRequest(id);
 			// select corresponding block for sub-part virtual modules
 			if (query.alloy) {
@@ -93,34 +114,47 @@ export function componentPlugin(ctx: AlloyContext): Plugin {
 		},
 
 		async transform(code, id) {
+			if (id.startsWith(VIEW_ONLY_PREFIX)) {
+				// Map virtual view only id back to controller id
+				id = id
+					.replace(VIEW_ONLY_PREFIX, '')
+					.replace('/app/views/', '/app/controllers/')
+					.replace(/\.xml/, '.js');
+			}
+
 			const { filename, query } = parseAlloyRequest(id);
 			if (!query.alloy && !filter(filename)) {
 				return;
 			}
 
+			const cleanId = cleanUrl(id);
+
 			if (!query.alloy) {
-				ctx.compiler.purgeStyleCache(id);
+				ctx.compiler.purgeStyleCache(cleanId);
 				const {
 					code: controllerCode,
 					map,
 					dependencies
 				} = ctx.compiler.compileComponent({
 					controllerContent: code,
-					file: id
+					file: cleanId
 				});
 
-				const deps = dependencies.map((dep) => {
-					// Make sure changes to view and style files trigger a controller rebuild
-					this.addWatchFile(dep);
-
-					if (dep.endsWith('.tss')) {
-						return dep + '?alloy&type=style';
-					} else if (dep.endsWith('.xml')) {
-						return dep + '?alloy&type=template';
-					} else {
-						throw new Error(`Unknown Alloy component dependency: ${dep}`);
-					}
-				});
+				const deps = dependencies
+					// Only consider deps that actually exist
+					.filter((d) => fs.pathExistsSync(d))
+					.map((dep) => {
+						// Make sure changes to view and style files trigger a controller rebuild
+						this.addWatchFile(dep);
+
+						if (dep.endsWith('.tss')) {
+							return dep + '?alloy&type=style';
+						} else if (dep.endsWith('.xml')) {
+							return dep + '?alloy&type=template';
+						} else {
+							throw new Error(`Unknown Alloy component dependency: ${dep}`);
+						}
+					});
 
 				if (server) {
 					// server only handling for view and style dependency hmr

src/node/plugins/alloy/widget.ts

@@ -14,7 +14,7 @@ export function widgetPlugin(appDir: string): Plugin {
 		 * @todo: Support Widgets from `node_modules`.
 		 */
 		async resolveId(id, importer) {
-			if (id.startsWith('/')) {
+			if (id.startsWith('/') && !id.startsWith(appDir)) {
 				// check WPATH generated url `/<widget>/<id>`
 				const secondSlashIndex = id.indexOf('/', 1);
 				if (secondSlashIndex !== -1) {

src/node/plugins/index.ts

@@ -28,7 +28,7 @@ export async function resolvePlugins({
 		clientInjectionsPlugin(),
 		nativeModulesPlugin(nativeModules),
 		nodeBuiltinsPlugin(),
-		resolvePlugin(type, platform),
+		resolvePlugin(projectDir, type, platform),
 		i18nPlugin(projectDir, type)
 	];
 	if (nativeModules.includes('hyperloop')) {

src/node/plugins/resolve.ts

@@ -12,6 +12,7 @@ import { FS_PREFIX } from '../constants.js';
  * - Support bare module and absolute ids as relative to source root
  */
 export function resolvePlugin(
+	projectDir: string,
 	projectType: ProjectType,
 	platform: Platform
 ): Plugin {
@@ -39,6 +40,11 @@ export function resolvePlugin(
 				return;
 			}
 
+			// prevent nested full path resolving
+			if (id.startsWith(projectDir)) {
+				return;
+			}
+
 			const platformResolve = async (id: string, base: string) => {
 				const result = await this.resolve(path.join(base, id), importer, {
 					skipSelf: true

yarn.lock

@@ -1741,22 +1741,6 @@ alloy-compiler@0.2.7:
     walk-sync "^2.0.2"
     xmldom "^0.6.0"
 
-alloy-utils@^0.2.5:
-  version "0.2.5"
-  resolved "https://registry.npmjs.org/alloy-utils/-/alloy-utils-0.2.5.tgz"
-  integrity sha512-fzktykZU5Niny/mVNNx07bJcrAfG9paaPA2oYF2vGhuuipgUrnWDvpNnXc7ADWiKUKcBIgQJ2I1paHIrRoI+mA==
-  dependencies:
-    "@babel/code-frame" "^7.8.3"
-    chmodr "^1.2.0"
-    colors "^1.4.0"
-    fs-extra "^9.0.0"
-    global-paths "^1.0.0"
-    jsonlint "^1.6.3"
-    lodash "^4.17.15"
-    moment "^2.24.0"
-    resolve "^1.12.0"
-    xmldom "^0.3.0"
-
 alloy-utils@^0.2.7:
   version "0.2.7"
   resolved "https://registry.npmjs.org/alloy-utils/-/alloy-utils-0.2.7.tgz"