Run test with the source files (#9609)

build/rollup-config.js

@@ -23,7 +23,7 @@ const config = {
 		}
 	],
 	plugins: [
-		release ? json() : rollupGitVersion()
+		release ? json() : rollupGitVersion(),
 	]
 };
 

eslint.config.js

@@ -8,6 +8,11 @@ export default [
 	{
 		files: ['*.js', '*.cjs'],
 	},
+	{
+		languageOptions: {
+			ecmaVersion: 'latest',
+		},
+	},
 	{
 		ignores: [
 			'dist',

package.json

@@ -8,9 +8,9 @@
     "@rollup/plugin-json": "^6.1.0",
     "bundlemon": "^3.0.3",
     "chai": "^5.1.1",
-    "eslint": "^9.8.0",
+    "eslint": "^9.23.0",
     "eslint-config-mourner": "^4.0.2",
-    "eslint-plugin-import-x": "^3.1.0",
+    "eslint-plugin-import-x": "^4.9.1",
     "http-server": "^14.1.1",
     "husky": "^9.1.4",
     "karma": "^6.4.3",

spec/context.html

@@ -12,7 +12,8 @@ Reloaded before every execution run.
   <script type="importmap">
     {
       "imports": {
-        "leaflet": "/base/dist/leaflet-src.js",
+        "leaflet": "/base/src/Leaflet.js",
+        "leaflet-bundle": "/base/dist/leaflet-src.js",
         "chai": "/base/node_modules/chai/chai.js",
         "prosthetic-hand": "/base/node_modules/prosthetic-hand/lib/Hand.js",
         "sinon": "/base/node_modules/sinon/pkg/sinon-esm.js",

spec/debug.html

@@ -14,7 +14,7 @@ just for immediate execution, without reporting to Karma server.
   <script type="importmap">
     {
       "imports": {
-        "leaflet": "/base/dist/leaflet-src.js",
+        "leaflet": "/base/src/Leaflet.js",
         "chai": "/base/node_modules/chai/chai.js",
         "prosthetic-hand": "/base/node_modules/prosthetic-hand/lib/Hand.js",
         "sinon": "/base/node_modules/sinon/pkg/sinon-esm.js",

spec/karma-version-preprocessor.cjs

@@ -0,0 +1,18 @@
+// Replace version import from package.json with static version for Firefox which currently not supports Import Attributes.
+// TODO: After Firefox supports Import Attributes, remove this preprocessor and update the karma.conf.cjs file.
+function replaceVersionPreprocessor(config) {
+	const replaceVersionImport = config.browsers.some(browser => browser.includes('Firefox'));
+	return function (content, file, done) {
+		if (replaceVersionImport) {
+			content = content.replace(
+				/import pkg from '\.\.\/package\.json' with \{ type: 'json' \};/,
+				'const pkg = {version: "0.0.0"};'
+			);
+			// we use error to make it visible in the console
+			console.error('Version import replaced with static variable', file.originalPath, config.browsers.join(', '));
+		}
+		done(content);
+	};
+}
+
+module.exports = replaceVersionPreprocessor;

spec/karma.conf.cjs

@@ -10,8 +10,12 @@ module.exports = function (/** @type {import('karma').Config} */ config) {
 			'karma-chrome-launcher',
 			'karma-safarinative-launcher',
 			'karma-firefox-launcher',
-			'karma-time-stats-reporter'
+			'karma-time-stats-reporter',
+			{'preprocessor:replaceVersion': ['factory', require('./karma-version-preprocessor.cjs')]}
 		],
+		preprocessors: {
+			'src/Leaflet.js': ['replaceVersion'] // Replace version import from package.json with static version for Firefox which currently not supports Import Attributes.
+		},
 		frameworks: ['mocha'],
 		customContextFile: 'spec/context.html',
 		customDebugFile: 'spec/debug.html',
@@ -20,7 +24,9 @@ module.exports = function (/** @type {import('karma').Config} */ config) {
 			{pattern: 'node_modules/prosthetic-hand/**/*', included: false, served: true},
 			{pattern: 'node_modules/sinon/**/*', included: false, served: true},
 			{pattern: 'node_modules/ui-event-simulator/**/*', included: false, served: true},
-			{pattern: 'dist/**/*.js', included: false, served: true},
+			{pattern: 'dist/leaflet-src.js', included: false, served: true},
+			{pattern: 'src/**/*.js', included: false, served: true},
+			{pattern: 'package.json', included: false, served: true},
 			{pattern: 'dist/**/*.png', included: false, served: true},
 			{pattern: 'spec/setup.js', type: 'module'},
 			{pattern: 'spec/suites/**/*.js', type: 'module'},

spec/suites/core/GeneralSpec.js

@@ -1,5 +1,4 @@
-/* global L */
-import 'leaflet';
+import L from 'leaflet-bundle';
 import {expect} from 'chai';
 
 describe('General', () => {

src/Leaflet.js

@@ -1,6 +1,5 @@
-
-import {version} from '../package.json';
-export {version};
+import pkg from '../package.json' with { type: 'json' };
+export const version = pkg.version;
 
 // control
 export * from './control/index.js';