feat(compiler): allow ignore pattern for copy task (#5899)

* feat: allow ignore pattern for copy task

* add tests to pipeline

* fix code docs

* remove unnecessary files

* add workflow to pipeline

* add missing script

* fix end-to-end tests

* prettier

* revert some changes

* set absolute flag

* use rimraf for support in Windows

* chore(deps): install Jest dependencies via TypeScript and Node

* fix task for windows

* make it relative to source path

* tweak

.github/workflows/main.yml

@@ -38,6 +38,11 @@ jobs:
     needs: [build_core]
     uses: ./.github/workflows/test-bundlers.yml
 
+  copytask_tests:
+    name: Copy Task Tests
+    needs: [build_core]
+    uses: ./.github/workflows/test-copytask.yml
+
   component_starter_tests:
     name: Component Starter Smoke Test
     needs: [build_core]

.github/workflows/test-copytask.yml

@@ -0,0 +1,31 @@
+name: Copy Task Tests
+
+on:
+  workflow_call:
+    # Make this a reusable workflow, no value needed
+    # https://docs.github.com/en/actions/using-workflows/reusing-workflows
+
+jobs:
+  bundler_tests:
+    name: Verify Copy Task
+    runs-on: 'ubuntu-22.04'
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@a5ac7e51b41094c92402da3b24376905380afc29 # v4.1.6
+
+      - name: Get Core Dependencies
+        uses: ./.github/workflows/actions/get-core-dependencies
+
+      - name: Download Build Archive
+        uses: ./.github/workflows/actions/download-archive
+        with:
+          name: stencil-core
+          path: .
+          filename: stencil-core-build.zip
+
+      - name: Bundler Tests
+        run: npm run test.copytask
+        shell: bash
+
+      - name: Check Git Context
+        uses: ./.github/workflows/actions/check-git-context

package.json

@@ -96,9 +96,9 @@
     "build": "npm run clean && npm run tsc.prod && npm run ts scripts/index.ts -- --prod --ci",
     "build.watch": "npm run build -- --watch",
     "build.updateSelectorEngine": "npm run ts scripts/updateSelectorEngine.ts",
-    "clean": "rm -rf build/ cli/ compiler/ dev-server/ internal/ mock-doc/ sys/ testing/ && npm run clean:scripts && npm run clean.screenshots",
-    "clean.screenshots": "rm -rf test/end-to-end/screenshot/builds test/end-to-end/screenshot/images",
-    "clean:scripts": "rm -rf scripts/build",
+    "clean": "rimraf build/ cli/ compiler/ dev-server/ internal/ mock-doc/ sys/ testing/ && npm run clean:scripts && npm run clean.screenshots",
+    "clean.screenshots": "rimraf test/end-to-end/screenshot/builds test/end-to-end/screenshot/images",
+    "clean:scripts": "rimraf scripts/build",
     "lint": "eslint 'bin/*' 'scripts/*.ts' 'scripts/**/*.ts' 'src/*.ts' 'src/**/*.ts' 'src/**/*.tsx' 'test/wdio/**/*.tsx'",
     "install.jest": "npx tsx ./src/testing/jest/install-dependencies.mts",
     "prettier": "npm run prettier.base -- --write",
@@ -112,6 +112,7 @@
     "test": "node --experimental-vm-modules ./node_modules/jest/bin/jest.js --coverage",
     "test.analysis": "cd test && npm run analysis.build-and-analyze",
     "test.bundlers": "cd test && npm run bundlers",
+    "test.copytask": "cd test/copy-task && npm ci && npm run test",
     "test.dist": "npm run ts scripts/index.ts -- --validate-build",
     "test.end-to-end": "cd test/end-to-end && npm ci && npm test && npm run test.dist",
     "test.jest": "node --experimental-vm-modules ./node_modules/jest/bin/jest.js",
@@ -184,6 +185,7 @@
     "prettier": "3.3.1",
     "prompts": "2.4.2",
     "puppeteer": "^21.0.0",
+    "rimraf": "^6.0.1",
     "rollup": "2.56.3",
     "semver": "^7.3.7",
     "terser": "5.31.1",

src/compiler/output-targets/copy/assets-copy-tasks.ts

@@ -27,6 +27,7 @@ export const getComponentAssetsCopyTasks = (
             src: assetsMeta.absolutePath,
             dest: join(dest, assetsMeta.cmpRelativePath),
             warn: false,
+            ignore: undefined,
             keepDirStructure: false,
           });
         });
@@ -37,6 +38,7 @@ export const getComponentAssetsCopyTasks = (
             src: assetsMeta.absolutePath,
             dest: collectionDirDestination,
             warn: false,
+            ignore: undefined,
             keepDirStructure: false,
           });
         });

src/compiler/output-targets/copy/output-copy.ts

@@ -5,6 +5,17 @@ import type * as d from '../../../declarations';
 import { canSkipAssetsCopy, getComponentAssetsCopyTasks } from './assets-copy-tasks';
 import { getDestAbsPath, getSrcAbsPath } from './local-copy-tasks';
 
+const DEFAULT_IGNORE = [
+  '**/__mocks__/**',
+  '**/__fixtures__/**',
+  '**/dist/**',
+  '**/.{idea,git,cache,output,temp}/**',
+  '**/.ds_store',
+  '**/.gitignore',
+  '**/desktop.ini',
+  '**/thumbs.db',
+];
+
 export const outputCopy = async (config: d.ValidatedConfig, compilerCtx: d.CompilerCtx, buildCtx: d.BuildCtx) => {
   const outputTargets = config.outputTargets.filter(isOutputTargetCopy);
   if (outputTargets.length === 0) {
@@ -83,6 +94,7 @@ const transformToAbs = (copyTask: d.CopyTask, dest: string): Required<d.CopyTask
   return {
     src: copyTask.src,
     dest: getDestAbsPath(copyTask.src, dest, copyTask.dest),
+    ignore: copyTask.ignore || DEFAULT_IGNORE,
     keepDirStructure:
       typeof copyTask.keepDirStructure === 'boolean' ? copyTask.keepDirStructure : copyTask.dest == null,
     warn: copyTask.warn !== false,