hof
Framework that joins data models, schemas, code generation, and a task engine. Language and technology agnostic.
Stars: 476
Hof is a CLI tool that unifies data models, schemas, code generation, and a task engine. It allows users to augment data, config, and schemas with CUE to improve consistency, generate multiple Yaml and JSON files, explore data or config with a TUI, and run workflows with automatic task dependency inference. The tool uses CUE to power the DX and implementation, providing a language for specifying schemas, configuration, and writing declarative code. Hof offers core features like code generation, data model management, task engine, CUE cmds, creators, modules, TUI, and chat for better, scalable results.
README:
A tool that unifies data models, schemas, code generation, and a task engine.
hof
is a CLI tool you add to your workflow.
- Augment data, config, and schemas with CUE to improve consistency, gain confidence, and unlock new possibilities
- Generate multiple Yaml and JSON files in one-shot, from a CUE based source of truth
- Generate much of the application code, work directly in the output, regenerate without loss
- Explore data or config with the TUI, work with it using CUE in live-reload mode
- Run workflows with automatic task dependency inference, the right tasks are run in the right order
Core Features | |
---|---|
code generation | Data + templates = _ (anything), technology agnostic |
data model | Define and manage data models, life-cycle features |
task engine | Extensible task and DAG workflow engine |
CUE cmds | Core def, eval, export, and vet commands |
creators | bootstraping and starter kits from any repo |
modules | CUE module dependency management |
tui | A terminal interface to Hof and CUE |
chat | Combine LLM and Hof code gen for better, scalable results |
hof
uses CUE to power the DX and implementation.
We believe CUE is a great language for specifying schemas, configuration, and generally
for writing anything declarative or this is a source of truth.
It has good theory and comes from the same people that brought us containers, Go, and Kubernetes.
Learn more about CUE: cuelang.org | cuetorials.com
Please see docs.hofstadter.io to learn more.
The getting-started section will take you on a tour of hof. The first-example section shows you how to build and use a generator.
Join us or ask questions on
- Slack: https://hofstadter-io.slack.com
- Discord: https://discord.com/invite/BXwX7n6B8w
We also use GitHub issues and discussions. Use which every is easiest for you!
You can find the latest downloads on our GitHub releases page. This is the preferred method.
If you already have hof, install a specific version with hof update --version vX.Y.Z
.
# Homebrew
brew install hofstadter-io/tap/hof
# Shell Completions (bash, zsh, fish, power-shell)
echo ". <(hof completion bash)" >> $HOME/.profile
source $HOME/.profile
# Show the help text or version info to verify installation
hof --help
hof version
Interested in helping out or hanging out? The best ways to get started are
There are two interfaces to hof
- a CLI - great for scripting and automation
- a TUI - great for exploring and designing
A desktop version is in the works, reach out if you would like early access.
hof - the higher order framework
Learn more at https://docs.hofstadter.io
Usage:
hof [flags] [command] [args]
Main commands:
chat co-create with AI (alpha)
create starter kits or blueprints from any git repo
datamodel manage, diff, and migrate your data models
def print consolidated CUE definitions
eval evaluate and print CUE configuration
export output data in a standard format
flow run workflows and tasks powered by CUE
fmt format any code and manage the formatters
gen CUE powered code generation
mod CUE module dependency management
tui a terminal interface to Hof and CUE
vet validate data with CUE
Additional commands:
help help about any command
update check for new versions and run self-updates
version print detailed version information
completion generate completion helpers for your terminal
feedback open an issue or discussion on GitHub
Flags:
-E, --all-errors print all available errors
-h, --help help for hof
-i, --ignore-errors turn off output and assume defaults at prompts
-D, --include-data auto include all data files found with cue files
-V, --inject-env inject all ENV VARs as default tag vars
-I, --input stringArray extra data to unify into the root value
-p, --package string the Cue package context to use during execution
-l, --path stringArray CUE expression for single path component when placing data files
-q, --quiet turn off output and assume defaults at prompts
-d, --schema stringArray expression to select schema to apply to data files
--stats print generator statistics
-0, --stdin-empty A flag that ensure stdin is zero and does not block
-t, --tags stringArray @tags() to be injected into CUE code
-v, --verbosity int set the verbosity of output
--with-context add extra context for data files, usable in the -l/path flag
Use "hof [command] --help / -h" for more information about a command.
The hof tui
is a terminal based interface to Hof's features.
It has a built in help system and documentation.
The following YouTube video provides a tour.
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