Makefile

export MAIN_BRANCH ?= main
export CHANGELOG ?= CHANGELOG.md

.DEFAULT_GOAL := help
.PHONY: test build clean release/prepare release/tag .check_bump_type .check_git_clean help

GIT_BRANCH := $(shell git symbolic-ref --short HEAD)
WORKTREE_CLEAN := $(shell git status --porcelain 1>/dev/null 2>&1; echo $$?)
SCRIPTS_DIR := $(CURDIR)/scripts

curVersion := $(shell node -pe "require ('$(CURDIR)/package.json').version" | sed 's/^v//')

test:	## Run test suite
	npm test

install: clean	## Install all dependencies
	npm install

build: clean	## Transpile project to JavaScript
	npm run build

clean:	## Delete build outputs for a fresh start
	@rm -rf ./dist

help:	## Prints this help message
	@grep -E '^[\/a-zA-Z_-]+:.*?## .*$$' $(MAKEFILE_LIST) | sort | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'


## Release functions =====================

release/prepare: .check_git_clean	## Bumps version and creates release branch (call with 'release/prepare version=<new_version_number>')

	@test $(version) || (echo "[ERROR] version argument not set."; exit 1)
	@git fetch --quiet origin $(MAIN_BRANCH)

	## NPM version will validate the $version value
	npm version --no-git-tag-version $(version)

	@NEW_VERSION=$(version) $(SCRIPTS_DIR)/prepare-release.sh


release/tag: .check_git_clean	## Creates git tag using version from package.json
	@git pull --ff-only
	@echo "Applying tag 'v$(curVersion)' to HEAD..."
	@git tag --sign "v$(curVersion)" -m "Release v$(curVersion)"
	@echo "[OK] Success!"
	@echo "Remember to call 'git push --tags' to persist the tag."

## Helper functions =====================

.check_git_clean:
ifneq ($(GIT_BRANCH), $(MAIN_BRANCH))
	@echo "[ERROR] Please checkout default branch '$(MAIN_BRANCH)' and re-run this command."; exit 1;
endif
ifneq ($(WORKTREE_CLEAN), 0)
	@echo "[ERROR] Uncommitted changes found in worktree. Address them and try again."; exit 1;
endif