build: add recipe to lint a list of files against EditorConfig

Author: kgryte

tools/make/lib/lint/editorconfig.mk

@@ -56,8 +56,33 @@ EDITORCONFIG_CHECKER_CONF_FLAGS ?= \
 lint-editorconfig: $(NODE_MODULES)
 	$(QUIET) $(FIND_PACKAGES_CMD) | grep '^[\/]\|^[a-zA-Z]:[/\]' | while read -r pkg; do \
 		echo ''; \
-		echo "Linting package: $$pkg"; \
+		echo "Linting package for basic formatting errors: $$pkg"; \
 		cd "$$pkg" && ( $(NODE) $(EDITORCONFIG_CHECKER) $(EDITORCONFIG_CHECKER_CONF_FLAGS) --config $(EDITORCONFIG_CHECKER_CONF) && $(NODE) $(EDITORCONFIG_CHECKER) $(EDITORCONFIG_CHECKER_CONF_FLAGS) --config $(EDITORCONFIG_CHECKER_MARKDOWN_CONF) && echo 'Success. No detected EditorConfig lint errors.' ) || exit 1; \
 	done
 
 .PHONY: lint-editorconfig
+
+#/
+# Lints a specified list of files to ensure compliance with EditorConfig settings.
+#
+# ## Notes
+#
+# -   This rule is useful when wanting to lint a list of files generated by some other command (e.g., a list of changed files obtained via `git diff`).
+#
+# @private
+# @param {string} FILES - list of file paths
+#
+# @example
+# make lint-editorconfig-files FILES='foo/test.js bar/index.d.ts'
+#/
+lint-editorconfig-files: $(NODE_MODULES)
+	$(QUIET) $(DELETE) $(DELETE_FLAGS) "$(BUILD_DIR)/editorconfig-checker"
+	$(QUIET) echo 'Linting files for basic formatting errors...'
+	$(QUIET) $(MKDIR_RECURSIVE) "$(BUILD_DIR)/editorconfig-checker"
+	$(QUIET) $(TAR) -cf - $(FILES) | $(TAR) -xvf - -C "$(BUILD_DIR)/editorconfig-checker/"
+	$(QUIET) cd "$(BUILD_DIR)/editorconfig-checker" && \
+		$(NODE) $(EDITORCONFIG_CHECKER) $(EDITORCONFIG_CHECKER_CONF_FLAGS) --config $(EDITORCONFIG_CHECKER_CONF) && \
+		$(NODE) $(EDITORCONFIG_CHECKER) $(EDITORCONFIG_CHECKER_CONF_FLAGS) --config $(EDITORCONFIG_CHECKER_MARKDOWN_CONF) && \
+		echo 'Success. No detected EditorConfig lint errors.'
+
+.PHONY: lint-editorconfig-files