feat: add Rollup plugin for HBS templates

.eslintignore

@@ -12,6 +12,8 @@
 /packages/webpack/**/*.d.ts
 /packages/hbs-loader/**/*.js
 /packages/hbs-loader/**/*.d.ts
+/packages/rollup-plugin-hbs/**/*.js
+/packages/rollup-plugin-hbs/**/*.d.ts
 /test-packages/support/**/*.js
 /test-packages/**/*.d.ts
 /tests/scenarios/**/*.js

packages/rollup-plugin-hbs/.gitignore

@@ -0,0 +1,7 @@
+/node_modules
+/src/**/*.js
+/src/**/*.d.ts
+/src/**/*.map
+/*/tests/**/*.js
+/*/tests/**/*.d.ts
+/*/tests/**/*.map

packages/rollup-plugin-hbs/package.json

@@ -0,0 +1,36 @@
+{
+  "name": "@embroider/rollup-plugin-hbs",
+  "version": "0.42.3",
+  "private": false,
+  "description": "Glimmer handlebars plugin for Rollup",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/embroider-build/embroider.git",
+    "directory": "packages/rollup-plugin-hbs"
+  },
+  "license": "MIT",
+  "author": "Alex LaFroscia",
+  "main": "src/index.js",
+  "files": [
+    "src/**/*.js",
+    "src/**/*.d.ts",
+    "src/**/*.js.map"
+  ],
+  "scripts": {
+    "prepare": "tsc"
+  },
+  "peerDependencies": {
+    "@embroider/core": "0.42.3"
+  },
+  "devDependencies": {
+    "@embroider/core": "0.42.3",
+    "rollup": "^2.52.6",
+    "typescript": "~4.0.0"
+  },
+  "engines": {
+    "node": "10.* || 12.* || >= 14"
+  },
+  "volta": {
+    "extends": "../../package.json"
+  }
+}

packages/rollup-plugin-hbs/src/index.ts

@@ -0,0 +1,25 @@
+import { parse } from 'path';
+import type { Plugin as RollupPlugin } from 'rollup';
+import { applyVariantToTemplateCompiler, Variant } from '@embroider/core';
+
+export interface Options {
+  templateCompilerFile: string;
+  variant: Variant;
+}
+
+export default function glimmerTemplateCompilerPlugin({ templateCompilerFile, variant }: Options): RollupPlugin {
+  // eslint-disable-next-line @typescript-eslint/no-require-imports
+  const templateCompiler = applyVariantToTemplateCompiler(variant, require(templateCompilerFile)).compile;
+
+  return {
+    name: '@embroider/rollup-plugin-hbs',
+
+    transform(src, id) {
+      const parsedFilePath = parse(id);
+
+      if (parsedFilePath.ext === '.hbs') {
+        return templateCompiler(id, src);
+      }
+    },
+  };
+}

yarn.lock

@@ -10683,7 +10683,7 @@ fsevents@^1.2.7:
     bindings "^1.5.0"
     nan "^2.12.1"
 
-fsevents@~2.3.1:
+fsevents@~2.3.1, fsevents@~2.3.2:
   version "2.3.2"
   resolved "https://registry.yarnpkg.com/fsevents/-/fsevents-2.3.2.tgz#8a526f78b8fdf4623b709e0b975c52c24c02fd1a"
   integrity sha512-xiqMQR4xAeHTuB9uWm+fFRcIOgKBMiOBP+eXiyT7jsgVCq1bkVygt00oASowB7EdtpOHaaPgKt812P9ab+DDKA==
@@ -16022,6 +16022,13 @@ rollup@^1.12.0:
     "@types/node" "*"
     acorn "^7.1.0"
 
+rollup@^2.52.6:
+  version "2.52.6"
+  resolved "https://registry.yarnpkg.com/rollup/-/rollup-2.52.6.tgz#7c7546d170dead0e7db0b6c709f7f34398498a8e"
+  integrity sha512-H+Xudmwf8KO+xji8njQNoIQRp8l+iQge/NdUR20JngTxVYdEEnlpkMvQ71YGLl3+xZcPecmdj4q2lrClKaPdRA==
+  optionalDependencies:
+    fsevents "~2.3.2"
+
 rsvp@^3.0.14, rsvp@^3.0.17, rsvp@^3.0.18, rsvp@^3.0.21, rsvp@^3.0.6, rsvp@^3.1.0:
   version "3.6.2"
   resolved "https://registry.yarnpkg.com/rsvp/-/rsvp-3.6.2.tgz#2e96491599a96cde1b515d5674a8f7a91452926a"