build: use wasm clang-format

.clang-format

@@ -9,11 +9,11 @@ AlignEscapedNewlines: Right
 AlignOperands:   true
 AlignTrailingComments: true
 AllowAllParametersOfDeclarationOnNextLine: true
-AllowShortBlocksOnASingleLine: false
+AllowShortBlocksOnASingleLine: Never
 AllowShortCaseLabelsOnASingleLine: false
 AllowShortFunctionsOnASingleLine: Inline
 AllowShortIfStatementsOnASingleLine: true
-AllowShortLoopsOnASingleLine: true
+AllowShortLoopsOnASingleLine: false
 AlwaysBreakAfterDefinitionReturnType: None
 AlwaysBreakAfterReturnType: None
 AlwaysBreakBeforeMultilineStrings: false

Makefile

@@ -1468,7 +1468,7 @@ ADDON_DOC_LINT_FLAGS=-whitespace/ending_newline,-build/header_guard
 
 .PHONY: format-cpp-build
 format-cpp-build:
-	cd tools/clang-format && $(call available-node,$(run-npm-ci))
+	cd tools/clang-format && chmod +x clang-format.mjs && $(call available-node,$(run-npm-ci))
 
 .PHONY: format-cpp-clean
 .NOTPARALLEL: format-cpp-clean
@@ -1486,8 +1486,8 @@ CLANG_FORMAT_START ?= HEAD
 format-cpp: ## Format C++ diff from $CLANG_FORMAT_START to current changes
 ifneq ("","$(wildcard tools/clang-format/node_modules/)")
 	$(info Formatting C++ diff from $(CLANG_FORMAT_START)..)
-	@$(PYTHON) tools/clang-format/node_modules/.bin/git-clang-format \
-		--binary=tools/clang-format/node_modules/.bin/clang-format \
+	@$(PYTHON) tools/clang-format/git-clang-format \
+		--binary=tools/clang-format/clang-format.mjs \
 		--style=file \
 		$(CLANG_FORMAT_START) -- \
 		$(FORMAT_CPP_FILES)

tools/clang-format/clang-format.mjs

@@ -0,0 +1,32 @@
+#!/usr/bin/env node
+
+import init, { format } from '@wasm-fmt/clang-format';
+import fs from 'node:fs/promises';
+import path from 'node:path';
+import process from 'node:process';
+
+await init();
+
+// Check if -i flag is present
+const args = process.argv.slice(2);
+const inplace = args.includes('-i');
+const fileArguments = args.filter((arg) => !arg.startsWith('-'));
+
+// Read .clang-format configuration
+const config = await fs.readFile('.clang-format', 'utf8');
+
+for (const file of fileArguments) {
+  try {
+    const content = await fs.readFile(file, 'utf8');
+    const name = path.basename(file);
+    const formatted = format(content, name, config);
+
+    if (inplace) {
+      if (formatted !== content) await fs.writeFile(file, formatted);
+    } else {
+      console.log(formatted);
+    }
+  } catch (error) {
+    console.error(`Error processing file ${file}:`, error);
+  }
+}