New config module - storeConfigInMeta

.eslintignore

@@ -4,6 +4,8 @@
 /packages/shared-internals/**/*.d.ts
 /packages/compat/**/*.js
 /packages/compat/**/*.d.ts
+/packages/config-meta-loader/**/*.js
+/packages/config-meta-loader/**/*.d.ts
 /packages/macros/**/*.js
 /packages/macros/**/*.d.ts
 /packages/util/src/**/*.js

.eslintrc.js

@@ -24,7 +24,7 @@ module.exports = {
     {
       files: ['**/*.ts'],
       parserOptions: {
-        project: './tsconfig.json',
+        project: true,
       },
       rules: {
         '@typescript-eslint/consistent-type-imports': 'error',

.prettierignore

@@ -13,6 +13,8 @@
 /packages/shared-internals/**/*.d.ts
 /packages/compat/**/*.js
 /packages/compat/**/*.d.ts
+/packages/config-meta-loader/**/*.js
+/packages/config-meta-loader/**/*.d.ts
 /packages/macros/**/*.js
 /packages/macros/**/*.d.ts
 /packages/util/src/**/*.js

package.json

@@ -6,16 +6,16 @@
   },
   "scripts": {
     "clean": "git clean -x -f",
-    "compile": "tsc",
-    "dev": "tsc --watch",
+    "compile": "tsc -b",
+    "dev": "tsc -b --watch",
     "lint": "concurrently 'npm:lint:*(!fix)' --names 'lint:'",
     "lint:fix": "concurrently 'npm:lint:*:fix' --names 'fix:'",
     "lint:eslint": "eslint . --cache --report-unused-disable-directives",
     "lint:eslint:fix": "eslint . --fix --report-unused-disable-directives",
     "lint:prettier": "prettier . -c",
     "lint:prettier:fix": "prettier . -w",
     "lint:router-types": "cd packages/router && pnpm lint:types",
-    "prepare": "tsc && pnpm build-v2-addons",
+    "prepare": "tsc -b && pnpm build-v2-addons",
     "build-v2-addons": "concurrently 'pnpm:build-v2-addons:*'",
     "build-v2-addons:router": "cd packages/router && pnpm build",
     "test": "cd tests/scenarios && pnpm test"
@@ -71,4 +71,4 @@
     },
     "wildcardLabel": "unlabeled"
   }
-}
+}

packages/compat/src/compat-app.ts

@@ -11,7 +11,7 @@ import mergeTrees from 'broccoli-merge-trees';
 import { WatchedDir } from 'broccoli-source';
 import resolve from 'resolve';
 import ContentForConfig from './content-for-config';
-import { V1Config, WriteV1Config } from './v1-config';
+import { V1Config } from './v1-config';
 import { WriteV1AppBoot, ReadV1AppBoot } from './v1-appboot';
 import type { AddonMeta, EmberAppInstance, OutputFileToInputFileMap, PackageInfo } from '@embroider/core';
 import { writeJSONSync, ensureDirSync, copySync, pathExistsSync, existsSync, writeFileSync } from 'fs-extra';
@@ -690,21 +690,13 @@ export default class CompatApp {
     let appTree = this.appTree;
     let testsTree = this.testsTree;
     let lintTree = this.lintTree;
-    let config = new WriteV1Config(this.config, this.storeConfigInMeta, this.testConfig);
-    let patterns = this.configReplacePatterns;
-    let configReplaced = new this.configReplace(config, this.configTree, {
-      configPath: join('environments', `${this.legacyEmberAppInstance.env}.json`),
-      files: ['config/environment.js'],
-      patterns,
-    });
 
     let trees: BroccoliNode[] = [];
     trees.push(appTree);
     trees.push(
       new SynthesizeTemplateOnlyComponents(appTree, { allowedPaths: ['components'], templateExtensions: ['.hbs'] })
     );
 
-    trees.push(configReplaced);
     if (testsTree) {
       trees.push(testsTree);
     }

packages/compat/src/v1-config.ts

@@ -1,7 +1,7 @@
 import Plugin from 'broccoli-plugin';
 import type { Node } from 'broccoli-node-api';
 import { join } from 'path';
-import { readFileSync, outputFileSync } from 'fs-extra';
+import { readFileSync } from 'fs-extra';
 
 export interface ConfigContents {
   modulePrefix: string;
@@ -26,50 +26,3 @@ export class V1Config extends Plugin {
     return this.lastConfig;
   }
 }
-
-export class WriteV1Config extends Plugin {
-  private lastContents: string | undefined;
-  constructor(private inputTree: V1Config, private storeConfigInMeta: boolean, private testInputTree?: V1Config) {
-    super([inputTree, testInputTree as V1Config].filter(Boolean), {
-      persistentOutput: true,
-      needsCache: false,
-    });
-  }
-  build() {
-    let filename = join(this.outputPath, 'config/environment.js');
-    let contents;
-    if (this.storeConfigInMeta) {
-      contents = metaLoader();
-    } else {
-      if (this.testInputTree) {
-        contents = `
-        import { isTesting } from '@embroider/macros';
-        let env;
-        if (isTesting()) {
-          env = ${JSON.stringify(this.testInputTree.readConfig())};
-        } else {
-          env = ${JSON.stringify(this.inputTree.readConfig())};
-        }
-        export default env;
-        `;
-      } else {
-        contents = `export default ${JSON.stringify(this.inputTree.readConfig())};`;
-      }
-    }
-    if (!this.lastContents || this.lastContents !== contents) {
-      outputFileSync(filename, contents);
-    }
-    this.lastContents = contents;
-  }
-}
-
-function metaLoader() {
-  // Supporting config content as JS Module.
-  // Wrapping the content with immediate invoked function as
-  // replaced content for config-module was meant to support AMD module.
-  return `
-    export default (function() {
-      {{content-for 'config-module'}}
-    })().default;
-  `;
-}

packages/config-meta-loader/.gitignore

@@ -0,0 +1,8 @@
+/node_modules
+/src/**/*.js
+/src/**/*.d.ts
+/src/**/*.map
+/*/tests/**/*.js
+/*/tests/**/*.d.ts
+/*/tests/**/*.map
+*.tsbuildinfo

packages/config-meta-loader/package.json

@@ -0,0 +1,28 @@
+{
+  "name": "@embroider/config-meta-loader",
+  "version": "1.0.0",
+  "private": false,
+  "type": "module",
+  "description": "Read the config meta in the document. Inspired by ember-cli/lib/broccoli/app-config-from-meta.js",
+  "repository": {
+    "type": "git",
+    "url": "https://github.com/embroider-build/embroider.git",
+    "directory": "packages/config-meta-loader"
+  },
+  "license": "MIT",
+  "author": "Marine Dunstetter",
+  "main": "src/index.js",
+  "files": [
+    "src/**/*.js",
+    "src/**/*.d.ts",
+    "src/**/*.js.map"
+  ],
+  "scripts": {},
+  "dependencies": {},
+  "devDependencies": {
+    "typescript": "^5.4.5"
+  },
+  "engines": {
+    "node": "12.* || 14.* || >= 16"
+  }
+}

packages/config-meta-loader/src/index.ts

@@ -0,0 +1,11 @@
+// from https://github.com/ember-cli/ember-cli/blob/master/lib/broccoli/app-config-from-meta.js
+export default function loadConfigFromMeta(prefix: string): any {
+  let metaName = `${prefix}/config/environment`;
+  try {
+    let rawConfig = document.querySelector(`meta[name="${metaName}"]`)!.getAttribute('content') ?? '{}';
+    let config = JSON.parse(decodeURIComponent(rawConfig));
+    return config;
+  } catch (err) {
+    return `Could not read config from meta tag with name "${metaName}".`;
+  }
+}

packages/config-meta-loader/tsconfig.json

@@ -0,0 +1,22 @@
+{
+  "include": [
+    "src/**/*.ts",
+  ],
+  "compilerOptions": {
+    "composite": true,
+    "target": "es2019",
+    "module": "ESNext",
+    "declaration": true,
+    "typeRoots": ["types", "node_modules/@types"],
+    "esModuleInterop": false,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "sourceMap": true,
+    "inlineSources": true,
+    "experimentalDecorators": true,
+    "allowUnreachableCode": false,
+    "strict": true,
+    "skipLibCheck": true,
+    "useUnknownInCatchVariables": false,
+  },
+}

tests/addon-template/package.json

@@ -27,6 +27,7 @@
     "test:ember-compatibility": "ember try:each"
   },
   "dependencies": {
+    "@embroider/config-meta-loader": "workspace:*",
     "ember-cli-babel": "^7.26.11",
     "ember-cli-htmlbars": "^6.1.0"
   },

tests/addon-template/tests/dummy/app/config/environment.js

@@ -0,0 +1,3 @@
+import loadConfigFromMeta from '@embroider/config-meta-loader';
+
+export default loadConfigFromMeta('dummy');

tests/app-template/app/config/environment.js

@@ -0,0 +1,3 @@
+import loadConfigFromMeta from '@embroider/config-meta-loader';
+
+export default loadConfigFromMeta('app-template');

tests/app-template/package.json

@@ -32,6 +32,7 @@
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^3.0.3",
     "@embroider/compat": "workspace:*",
+    "@embroider/config-meta-loader": "workspace:*",
     "@embroider/core": "workspace:*",
     "@embroider/router": "workspace:*",
     "@embroider/test-setup": "workspace:*",

tests/fixtures/macro-sample-addon/tests/dummy/app/config/environment.js

@@ -0,0 +1,6 @@
+import loadConfigFromMeta from '@embroider/config-meta-loader';
+
+let config = loadConfigFromMeta('dummy');
+config.APP.fromConfigModule = 'hello new world';
+
+export default config;

tests/scenarios/macro-test.ts

@@ -213,6 +213,9 @@ function dummyAppScenarioSetup(project: Project) {
       this._super.included.apply(this, arguments);
     },
     contentFor(type, config, contents) {
+      // This if block is used only by macro-sample-addon-classic, which does not build with Embroider.
+      // When building with Embroider, the responsibility for the config is moved to the app.
+      // Therefore, macro-sample-addon scenario defines 'fromConfigModule' differently using fixtures.
       if (type === 'config-module') {
         const originalContents = contents.join('');
         contents.splice(0, contents.length);

tests/ts-app-template-classic/app/config/environment.ts

@@ -0,0 +1,3 @@
+import loadConfigFromMeta from '@embroider/config-meta-loader';
+
+export default loadConfigFromMeta('ts-app-template');

tests/ts-app-template-classic/package.json

@@ -32,6 +32,7 @@
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^3.2.0",
     "@embroider/compat": "workspace:*",
+    "@embroider/config-meta-loader": "workspace:*",
     "@embroider/core": "workspace:*",
     "@embroider/router": "workspace:*",
     "@embroider/test-setup": "workspace:*",

tests/ts-app-template/app/config/environment.ts

@@ -0,0 +1,3 @@
+import loadConfigFromMeta from '@embroider/config-meta-loader';
+
+export default loadConfigFromMeta('ts-app-template');

tests/ts-app-template/package.json

@@ -32,6 +32,7 @@
     "@ember/string": "^3.1.1",
     "@ember/test-helpers": "^3.2.0",
     "@embroider/compat": "workspace:*",
+    "@embroider/config-meta-loader": "workspace:*",
     "@embroider/core": "workspace:*",
     "@embroider/router": "workspace:*",
     "@embroider/test-setup": "workspace:*",

tsconfig.json

@@ -32,6 +32,10 @@
     "test-packages/*/node_modules",
     "tmp",
     "tests/scenarios/output",
+    "packages/config-meta-loader/src",
     "packages/router/src"
+  ],
+  "references": [
+    { "path": "packages/config-meta-loader" }
   ]
 }