Implement import meta check unlocked by impliednodeformat (microsoft#694)

Author: frodi-karlsson

internal/checker/checker.go

@@ -9961,10 +9961,10 @@ func (c *Checker) checkNewTargetMetaProperty(node *ast.Node) *Type {
 
 func (c *Checker) checkImportMetaProperty(node *ast.Node) *Type {
 	if c.moduleKind == core.ModuleKindNode16 || c.moduleKind == core.ModuleKindNodeNext {
-		// !!! Enable this once ImpliedNodeFormat is computed at program construction
-		// if ast.GetSourceFileOfNode(node).ImpliedNodeFormat != core.ModuleKindESNext {
-		// 	c.error(node, diagnostics.The_import_meta_meta_property_is_not_allowed_in_files_which_will_build_into_CommonJS_output)
-		// }
+		sourceFileMetaData := c.program.GetSourceFileMetaData(ast.GetSourceFileOfNode(node).Path())
+		if sourceFileMetaData == nil || sourceFileMetaData.ImpliedNodeFormat != core.ModuleKindESNext {
+			c.error(node, diagnostics.The_import_meta_meta_property_is_not_allowed_in_files_which_will_build_into_CommonJS_output)
+		}
 	} else if c.moduleKind < core.ModuleKindES2020 && c.moduleKind != core.ModuleKindSystem {
 		c.error(node, diagnostics.The_import_meta_meta_property_is_only_allowed_when_the_module_option_is_es2020_es2022_esnext_system_node16_or_nodenext)
 	}

testdata/baselines/reference/submodule/conformance/nodeModulesAllowJsImportMeta(module=node16).errors.txt

@@ -0,0 +1,23 @@
+subfolder/index.js(2,11): error TS1470: The 'import.meta' meta-property is not allowed in files which will build into CommonJS output.
+
+
+==== subfolder/index.js (1 errors) ====
+    // cjs format file
+    const x = import.meta.url;
+              ~~~~~~~~~~~
+!!! error TS1470: The 'import.meta' meta-property is not allowed in files which will build into CommonJS output.
+    export {x};
+==== index.js (0 errors) ====
+    // esm format file
+    const x = import.meta.url;
+    export {x};
+==== package.json (0 errors) ====
+    {
+        "name": "package",
+        "private": true,
+        "type": "module"
+    }
+==== subfolder/package.json (0 errors) ====
+    {
+        "type": "commonjs"
+    }

testdata/baselines/reference/submodule/conformance/nodeModulesAllowJsImportMeta(module=nodenext).errors.txt

@@ -0,0 +1,23 @@
+subfolder/index.js(2,11): error TS1470: The 'import.meta' meta-property is not allowed in files which will build into CommonJS output.
+
+
+==== subfolder/index.js (1 errors) ====
+    // cjs format file
+    const x = import.meta.url;
+              ~~~~~~~~~~~
+!!! error TS1470: The 'import.meta' meta-property is not allowed in files which will build into CommonJS output.
+    export {x};
+==== index.js (0 errors) ====
+    // esm format file
+    const x = import.meta.url;
+    export {x};
+==== package.json (0 errors) ====
+    {
+        "name": "package",
+        "private": true,
+        "type": "module"
+    }
+==== subfolder/package.json (0 errors) ====
+    {
+        "type": "commonjs"
+    }

testdata/baselines/reference/submodule/conformance/nodeModulesImportMeta(module=node16).errors.txt

@@ -0,0 +1,23 @@
+subfolder/index.ts(2,11): error TS1470: The 'import.meta' meta-property is not allowed in files which will build into CommonJS output.
+
+
+==== subfolder/index.ts (1 errors) ====
+    // cjs format file
+    const x = import.meta.url;
+              ~~~~~~~~~~~
+!!! error TS1470: The 'import.meta' meta-property is not allowed in files which will build into CommonJS output.
+    export {x};
+==== index.ts (0 errors) ====
+    // esm format file
+    const x = import.meta.url;
+    export {x};
+==== package.json (0 errors) ====
+    {
+        "name": "package",
+        "private": true,
+        "type": "module"
+    }
+==== subfolder/package.json (0 errors) ====
+    {
+        "type": "commonjs"
+    }

testdata/baselines/reference/submodule/conformance/nodeModulesImportMeta(module=node16).errors.txt.diff

@@ -0,0 +1,23 @@
+subfolder/index.ts(2,11): error TS1470: The 'import.meta' meta-property is not allowed in files which will build into CommonJS output.
+
+
+==== subfolder/index.ts (1 errors) ====
+    // cjs format file
+    const x = import.meta.url;
+              ~~~~~~~~~~~
+!!! error TS1470: The 'import.meta' meta-property is not allowed in files which will build into CommonJS output.
+    export {x};
+==== index.ts (0 errors) ====
+    // esm format file
+    const x = import.meta.url;
+    export {x};
+==== package.json (0 errors) ====
+    {
+        "name": "package",
+        "private": true,
+        "type": "module"
+    }
+==== subfolder/package.json (0 errors) ====
+    {
+        "type": "commonjs"
+    }