roots · kodiakhq · Sep 22, 2023 · Sep 10, 2023 · Sep 10, 2023 · Sep 11, 2023
diff --git a/examples/purgecss/bud.config.js b/examples/purgecss/bud.config.js
diff --git a/examples/purgecss/bud.config.ts b/examples/purgecss/bud.config.ts
@@ -0,0 +1,5 @@
+import {bud} from '@roots/bud'
+
+bud.html({
+  template: bud.path('src/index.html'),
+})
diff --git a/examples/purgecss/src/index.css b/examples/purgecss/src/index.css
@@ -1,11 +1,47 @@
+/**
+ * This element is present in `index.html` and can be found in the final CSS file.
+ */
 h1 {
   color: black;
 }
 
+/**
+ * This element is present in `index.html` and can be found in the final CSS file.
+ */
 h2 {
   color: red;
 }
 
-h3.exclude {
+/**
+ * This element is not found in any source file and will not be found in the final CSS file.
+ */
+h3 {
   color: yellow;
 }
+
+/**
+ * This element is dynamically inserted into the DOM in `index.js` and
+ * can be found in the final CSS file.
+ */
+.include {
+  color: green;
+}
+
+/**
+ * This is a test of postcss syntax. There is no `.li` element within a `div` in any source file,
+ * but there is a `.li` element within a `section`. This will not be found in the final CSS file.
+ */
+div {
+  .li {
+    color: purple;
+  }
+}
+
+/**
+ * This is a test of comment hinting. There is a dynamically inserted element in `index.js`
+ * which matches this selector. However, the class name is constructed by joining multiple
+ * strings together. We use a comment to make sure that this rule is preserved.
+ */
+.comment-test {
+  color: orange;
+}
diff --git a/examples/purgecss/src/index.html b/examples/purgecss/src/index.html
@@ -1,20 +1,18 @@
-<!DOCTYPE html>
+<!doctype html>
 <html lang="en">
   <head>
     <meta charset="utf-8" />
-    <meta
-      name="viewport"
-      content="width=device-width, initial-scale=1"
-    />
-
-    <title>%APP_TITLE%</title>
-    <meta name="theme-color" content="%APP_COLOR%" />
-    <meta name="description" content="%APP_DESCRIPTION%" />
+    <meta name="viewport" content="width=device-width, initial-scale=1" />
+    <title>PurgeCSS Test</title>
   </head>
 
   <body>
-    <h1>PostCSS</h1>
-    <h2>PurgeCss test</h2>
-    <!-- note the intentionally omitted h3 -->
+    <h1>This element has a matching css selector</h1>
+    <h2>This element has a matching css selector</h2>
+    <section>
+      <ul>
+        <li class="bar">This element has no matching css selector</li>
+      </ul>
+    </section>
   </body>
 </html>
diff --git a/examples/purgecss/src/index.js b/examples/purgecss/src/index.js
@@ -0,0 +1,14 @@
+import '@src/index.css'
+
+/**
+ * This dynamically inserted element is not present in `./index.html` but the matching
+ * CSS selector will be included in the final bundle because it matches.
+ */
+document.querySelector(`h2`)?.insertAdjacementHTML(`afterend`, `<h4 class="include">Paragraph</h4>`)
+
+/**
+ * This dynamically inserted element's classname is constructed from multiple strings
+ * so we'll include a comment to ensure it's not purged.
+ */
+const classname = [`comment`, `test`].join(`-`) // comment-test
+document.querySelector(`h2`)?.insertAdjacentHTML(`afterend`, `<h5 class="${classname}">Paragraph</h5>`)
diff --git a/examples/purgecss/tsconfig.json b/examples/purgecss/tsconfig.json
@@ -9,7 +9,6 @@
       "webpack/module",
     ]
   },
-  "files": ["bud.config.js"],
-  "include": ["src"],
-  "exclude": ["node_modules"]
+  "files": ["bud.config.ts"],
+  "include": ["src"]
 }
diff --git a/sources/@roots/bud-postcss/src/extension/index.ts b/sources/@roots/bud-postcss/src/extension/index.ts
@@ -66,6 +66,11 @@ class BudPostCss extends BudPostCssOptionsApi {
     return plugin[0]
   }
 
+  @bind
+  public hasPlugin(name: string): boolean {
+    return this.normalizePluginName(name) in this.plugins
+  }
+
   @bind
   protected normalizePluginName(name: string): string {
     if (name.startsWith(`postcss-`)) name = name.replace(`postcss-`, ``)

diff --git a/sources/@roots/bud-postcss/src/extension/options.ts b/sources/@roots/bud-postcss/src/extension/options.ts
@@ -39,6 +39,7 @@ type BudPostCssPublicInterface = StrictPublicExtensionApi<
   getPlugin(name: string): PluginReference
   getPluginOptions(name: string): Record<string, any>
   getPluginPath(name: string): string
+  hasPlugin(name: string): boolean
   setConfig(config: boolean): BudPostCssPublicInterface
   setPlugin(name: string, plugin?: PluginInput): BudPostCssPublicInterface
   setPluginOptions(

diff --git a/sources/@roots/bud-purgecss/package.json b/sources/@roots/bud-purgecss/package.json
@@ -51,33 +51,31 @@
   "type": "module",
   "exports": {
     ".": "./lib/index.js",
-    "./api": "./lib/api.js",
-    "./extension": "./lib/extension.js"
+    "./facade": "./lib/facade/index.js",
+    "./extension": "./lib/extension/index.js"
   },
   "typesVersions": {
     "*": {
       ".": [
         "./lib/index.d.ts"
       ],
-      "api": [
-        "./lib/api.d.ts"
+      "facade": [
+        "./lib/facade/index.d.ts"
       ],
       "extension": [
-        "./lib/extension.d.ts"
+        "./lib/extension/index.d.ts"
       ]
     }
   },
   "types": "./lib/index.d.ts",
   "module": "./lib/index.js",
   "devDependencies": {
-    "@roots/bud": "workspace:*",
     "@roots/bud-postcss": "workspace:*",
     "@skypack/package-check": "0.2.2",
     "@types/node": "18.17.9"
   },
   "dependencies": {
     "@fullhuman/postcss-purgecss": "5.0.0",
-    "@roots/bud": "workspace:*",
     "@roots/bud-framework": "workspace:*",
     "postcss": "8.4.28",
     "tslib": "2.6.2"

diff --git a/sources/@roots/bud-purgecss/src/api.ts b/sources/@roots/bud-purgecss/src/api.ts
diff --git a/sources/@roots/bud-purgecss/src/extension.ts b/sources/@roots/bud-purgecss/src/extension.ts
diff --git a/sources/@roots/bud-purgecss/src/extension/base.ts b/sources/@roots/bud-purgecss/src/extension/base.ts
@@ -0,0 +1,75 @@
+import type { UserDefinedOptions as Options } from '@fullhuman/postcss-purgecss'
+
+import {Extension} from '@roots/bud-framework/extension'
+
+import type { BudPurgeCSSPublicInterface } from './model.js'
+
+export default class BudPurgeCSSPublicAPI extends Extension<Options> {
+  public declare blocklist: BudPurgeCSSPublicInterface[`blocklist`]
+  public declare getBlocklist: BudPurgeCSSPublicInterface[`getBlocklist`]
+  public declare setBlocklist: BudPurgeCSSPublicInterface[`setBlocklist`]
+
+  public declare content: BudPurgeCSSPublicInterface[`content`]
+  public declare getContent: BudPurgeCSSPublicInterface[`getContent`]
+  public declare setContent: BudPurgeCSSPublicInterface[`setContent`]
+
+  public declare contentFunction: BudPurgeCSSPublicInterface[`contentFunction`]
+  public declare getContentFunction: BudPurgeCSSPublicInterface[`getContentFunction`]
+  public declare setContentFunction: BudPurgeCSSPublicInterface[`setContentFunction`]
+
+  public declare dynamicAttributes: BudPurgeCSSPublicInterface[`dynamicAttributes`]
+  public declare getDynamicAttributes: BudPurgeCSSPublicInterface[`getDynamicAttributes`]
+  public declare setDynamicAttributes: BudPurgeCSSPublicInterface[`setDynamicAttributes`]
+
+  public declare defaultExtractor: BudPurgeCSSPublicInterface[`defaultExtractor`]
+  public declare getDefaultExtractor: BudPurgeCSSPublicInterface[`getDefaultExtractor`]
+  public declare setDefaultExtractor: BudPurgeCSSPublicInterface[`setDefaultExtractor`]
+
+  public declare extractors: BudPurgeCSSPublicInterface[`extractors`]
+  public declare getExtractors: BudPurgeCSSPublicInterface[`getExtractors`]
+  public declare setExtractors: BudPurgeCSSPublicInterface[`setExtractors`]
+
+  public declare fontFace: BudPurgeCSSPublicInterface[`fontFace`]
+  public declare getFontFace: BudPurgeCSSPublicInterface[`getFontFace`]
+  public declare setFontFace: BudPurgeCSSPublicInterface[`setFontFace`]
+
+  public declare keyframes: BudPurgeCSSPublicInterface[`keyframes`]
+  public declare getKeyframes: BudPurgeCSSPublicInterface[`getKeyframes`]
+  public declare setKeyframes: BudPurgeCSSPublicInterface[`setKeyframes`]
+
+  public declare output: BudPurgeCSSPublicInterface[`output`]
+  public declare getOutput: BudPurgeCSSPublicInterface[`getOutput`]
+  public declare setOutput: BudPurgeCSSPublicInterface[`setOutput`]
+
+  public declare rejected: BudPurgeCSSPublicInterface[`rejected`]
+  public declare getRejected: BudPurgeCSSPublicInterface[`getRejected`]
+  public declare setRejected: BudPurgeCSSPublicInterface[`setRejected`]
+
+  public declare rejectedCss: BudPurgeCSSPublicInterface[`rejectedCss`]
+  public declare getRejectedCss: BudPurgeCSSPublicInterface[`getRejectedCss`]
+  public declare setRejectedCss: BudPurgeCSSPublicInterface[`setRejectedCss`]
+
+  public declare safelist: BudPurgeCSSPublicInterface[`safelist`]
+  public declare getSafelist: BudPurgeCSSPublicInterface[`getSafelist`]
+  public declare setSafelist: BudPurgeCSSPublicInterface[`setSafelist`]
+
+  public declare skippedContentGlobs: BudPurgeCSSPublicInterface[`skippedContentGlobs`]
+  public declare getSkippedContentGlobs: BudPurgeCSSPublicInterface[`getSkippedContentGlobs`]
+  public declare setSkippedContentGlobs: BudPurgeCSSPublicInterface[`setSkippedContentGlobs`]
+
+  public declare sourceMap: BudPurgeCSSPublicInterface[`sourceMap`]
+  public declare getSourceMap: BudPurgeCSSPublicInterface[`getSourceMap`]
+  public declare setSourceMap: BudPurgeCSSPublicInterface[`setSourceMap`]
+
+  public declare stdin: BudPurgeCSSPublicInterface[`stdin`]
+  public declare getStdin: BudPurgeCSSPublicInterface[`getStdin`]
+  public declare setStdin: BudPurgeCSSPublicInterface[`setStdin`]
+
+  public declare stdout: BudPurgeCSSPublicInterface[`stdout`]
+  public declare getStdout: BudPurgeCSSPublicInterface[`getStdout`]
+  public declare setStdout: BudPurgeCSSPublicInterface[`setStdout`]
+
+  public declare variables: BudPurgeCSSPublicInterface[`variables`]
+  public declare getVariables: BudPurgeCSSPublicInterface[`getVariables`]
+  public declare setVariables: BudPurgeCSSPublicInterface[`setVariables`]
+}