Build: migrate most grunt tasks off of grunt

Updated tasks include:

- lint
- npmcopy
- build, minify, and process for distribution.
- new custom build command using yargs
- compare size of minified/gzip built files
- pretest scripts, including qunit-fixture, babel transpilation, and npmcopy
- node smoke tests
- promises aplus tests
- new watch task using `rollup.watch` directly

Also:

- upgraded husky and added the new lint command
- updated lint config to use new "flat" config format. See https://eslint.org/docs/latest/use/configure/configuration-files-new
- Temporarily disabled one lint rule until flat config is supported by eslint-plugin-import. See https://github.com/import-js/eslint-plugin-import/issues/2556
- committed package-lock.json
- updated all test scripts to use the new build
- added an express test server that uses middleware-mockserver (this can be used to run tests without karma)
- build-all-variants is now build:all

Close gh-5318

3 files changed, 6 insertions, 27 deletions

diff --git a/test/node_smoke_tests/commonjs/.eslintrc.json b/test/node_smoke_tests/commonjs/.eslintrc.json
deleted file mode 100644
index 26409bd89..000000000
--- a/test/node_smoke_tests/commonjs/.eslintrc.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-	"root": true,
-
-	"extends": "../../../.eslintrc-node.json",
-
-	"parserOptions": {
-		"ecmaVersion": 2015,
-		"sourceType": "script"
-	},
-	"env": {
-		"es2022": true
-	}
-}
diff --git a/test/node_smoke_tests/module/.eslintrc.json b/test/node_smoke_tests/module/.eslintrc.json
deleted file mode 100644
index 3a13e1732..000000000
--- a/test/node_smoke_tests/module/.eslintrc.json
+++ /dev/null
@@ -1,13 +0,0 @@
-{
-	"root": true,
-
-	"extends": "../../../.eslintrc-node.json",
-
-	"parserOptions": {
-		"ecmaVersion": 2022,
-		"sourceType": "module"
-	},
-	"env": {
-		"es2022": true
-	}
-}
diff --git a/test/node_smoke_tests/module/lib/jquery-module-specifier.js b/test/node_smoke_tests/module/lib/jquery-module-specifier.js
index 39aff9fd4..e65432f47 100644
--- a/test/node_smoke_tests/module/lib/jquery-module-specifier.js
+++ b/test/node_smoke_tests/module/lib/jquery-module-specifier.js
@@ -5,6 +5,11 @@ const dirname = path.dirname( fileURLToPath( import.meta.url ) );
 
 const ROOT_DIR = path.resolve( dirname, "..", "..", "..", ".." );
 
+// import does not work with Windows-style paths
+function ensureUnixPath( path ) {
+	return path.replace( /^[a-z]:/i, "" ).replace( /\\+/g, "/" );
+}
+
 // If `jQueryModuleSpecifier` is a real relative path, make it absolute
 // to make sure it resolves to the same file inside utils from
 // a subdirectory. Otherwise, leave it as-is as we may be testing `exports`
@@ -16,6 +21,6 @@ export const getJQueryModuleSpecifier = () => {
 	}
 
 	return jQueryModuleInputSpecifier.startsWith( "." ) ?
-		path.resolve( ROOT_DIR, jQueryModuleInputSpecifier ) :
+		ensureUnixPath( path.resolve( ROOT_DIR, jQueryModuleInputSpecifier ) ) :
 		jQueryModuleInputSpecifier;
 };