A HTML templating language for Go that has great developer tooling.

Documentation

See user documentation at https://templ.guide

Tasks

nix-develop

Run a Nix shell that contains everything required to build templ.

nix develop --impure

build

Build a local version.

cd cmd/templ
go build

install-snapshot

Build and install to ~/bin

rm cmd/templ/lspcmd/*.txt || true
cd cmd/templ && go build -o ~/bin/templ

build-snapshot

Use goreleaser to build the command line binary using goreleaser.

goreleaser build --snapshot --rm-dist

generate

Run templ generate using local version.

go run ./cmd/templ generate

test

Run Go tests.

go run ./cmd/templ generate && go test ./...

test-cover

Run Go tests.

# Create test profile directories.
mkdir -p coverage/generate
mkdir -p coverage/unit
# Build the test binary.
go build -cover -o ./coverage/templ-cover ./cmd/templ
# Run the covered generate command.
GOCOVERDIR=coverage/generate ./coverage/templ-cover generate
# Run the unit tests.
go test -cover ./... -args -test.gocoverdir="$PWD/coverage/unit"
# Display the combined percentage.
go tool covdata percent -i=./coverage/generate,./coverage/unit
# Generate a text coverage profile for tooling to use.
go tool covdata textfmt -i=./coverage/generate,./coverage/unit -o coverage.out

lint

docker run --rm -v $(pwd):/app -w /app golangci/golangci-lint:v1.52.2 golangci-lint run -v

release

Create production build with goreleaser.

if [ "${GITHUB_TOKEN}" == "" ]; then echo "No github token, run:"; echo "export GITHUB_TOKEN=`pass github.com/goreleaser_access_token`"; exit 1; fi
./push-tag.sh
goreleaser --clean

docs-run

Run the development server.

Directory: docs

npm run start

docs-build

Build production docs site.

Directory: docs

npm run build

docker-build

Build a Docker container with a full development environment and Neovim setup for testing the LSP.

docker build -t templ:latest .

docker-run

Run a Docker development container in the current directory.

docker run -p 7474:7474 -v `pwd`:/templ -it --rm templ:latest