https://github.com/cschleiden/actionlint-interpreter

Interpreter for GitHub Actions Expressions
https://github.com/cschleiden/actionlint-interpreter

actions github go

Last synced: 29 days ago
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Interpreter for GitHub Actions Expressions

• Host: GitHub
• URL: https://github.com/cschleiden/actionlint-interpreter
• Owner: cschleiden
• License: mit
• Created: 2022-03-14T03:29:07.000Z (almost 3 years ago)
• Default Branch: master
• Last Pushed: 2022-04-04T22:32:48.000Z (almost 3 years ago)
• Last Synced: 2024-10-26T11:51:13.332Z (3 months ago)
• Topics: actions, github, go
• Language: Go
• Homepage:
• Size: 36.1 KB
• Stars: 1
• Watchers: 3
• Forks: 1
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# actionlint-interpreter

Simple expression interpreter for _GitHub Actions Expressions_ operating on the AST produced by https://github.com/rhysd/actionlint.

## Usage

```golang

expression := "input.foo <= input.bar"

// Lex & Parse

lexer := actionlint.NewExprLexer(expression + "}}")

parser := actionlint.NewExprParser()

n, perr := parser.Parse(lexer)

if perr != nil {

  panic(perr)

}

// Evaluate expressions

result, err := Evaluate(n, ContextData{

  "input": ContextData{

    "foo": float64(1),

    "bar": float64(2),

  },

})

if err != nil {

  panic(err)

}

fmt.Println(result.Value)

// Output: true

```

### TODO

Not everything is implemented yet:

#### Context access

- [x] Finish object & array access

- [ ] Wildcard access (`inputs.*.foo`)

#### Functions

- [ ] contains

- [x] startsWith

- [x] endsWith

- [ ] format

- [x] join

- [ ] toJSON

- [x] fromJSON

- [ ] hashFiles

Status check functions:

- [ ] success

- [ ] always

- [ ] cancelled

- [ ] failure